Steam Plants - 1st Asst/Chief

In an air register assembly, the majority of air passes through the _______________.

According to the illustration, what part number identifies the "igniter"? Illustration SG-0016

According to the illustration, what part number identifies the "air door handle"? Illustration SG-0016

According to the illustration, what part number identifies the "diffuser"? Illustration SG-0016

The purpose of a 'peep' hole in the boiler casing is to _______________.

High boiler water level can cause carryover and _______________.

Excessive foaming in a steaming boiler can cause damage to the _______________.

Oil accumulation in boiler water would _______________.

Which of the following actions takes place in the control circuit of an automatically fired auxiliary boiler when the de...

A photoelectric cell installed in an automatically fired auxiliary boiler burner management system _______________.

The pressuretrol which is installed on an auxiliary boiler senses steam pressure changes and _______________.

The primary function of a flame safeguard system, as used on an automatically fired auxiliary boiler, is to prevent ___...

Constant capacity, pressure atomizing, fuel burners designed to meet a wide variation in steaming loads on an auxiliary ...

During unsafe firing conditions in a large automatic auxiliary boiler, various control actuators are interlocked with th...

High pressure steam drains are normally discharged to the _______________.

Which of the listed systems would be a potential source for the high pressure drain system?

Which of the listed refractory materials can be used in an area directly exposed to the highest heat in the furnace? ...

When heated, brickwork in a boiler is kept from buckling by the installation of _______________.

Which of the listed refractory materials is composed of wool fibers and clay binders?

According to the illustration of a typical boiler furnace rear wall, which item number would best represent "insulating ...

Boiler refractory firebrick is secured to the casing by _______________.

Boiler refractory previously baked out and fired is most sensitive to _______________.

Fluctuations in the atomizing steam pressure at the burners could be caused by a/an _______________.

If the temperature of the fuel oil entering an atomizer is too low, the burner will _______________.

In a multi-burner firebox, a burner tip with a worn and enlarged orifice will _______________.

Which of the conditions listed can cause the flame of a mechanically atomized burner to be blown away from the burner ti...

Boiler furnace brickwork can be fractured and broken by thermal shock caused by _______________.

A single element boiler feed water regulating system used aboard ship utilizes _______________.

Proper lagging of a single-element feed water regulator is accomplished by applying the insulation material ___________...

A two-element boiler feed water regulator is controlled by _______________.

Which two control inputs are dominant on a steam boiler with a three element feed water control?

A pneumatic dual element, main propulsion, boiler feed water regulating system commonly used aboard ship utilizes ______...

Slag buildup on boiler furnace refractory is undesirable because it causes _______________.

Which of the conditions listed occurs when glassy slag, formed by the burning of fuel oil contaminated with salt water, ...

According to Coast Guard Regulations

Which of the following statements is true concerning boiler inspections?

Coast Guard Regulations

According to 46 CFR Part 61, which of the following statements is true concerning the inspection of water-tube boilers? ...

Which of the Coast Guard publications listed contain the information regarding allowable repairs to boilers installed on...

Which of the following statements represents the Coast Guard Regulation regarding a boiler installation in which the sup...

When preparing to hydrostatically test water-tube boilers, you should _______________.

Why is it necessary to have a relief valve protect the deaerating feed tank from internal pressure?

The gland exhaust fan draws steam and non-condensable vapors from the gland exhaust condenser and discharges to the ___...

Desecration of condensate primarily occurs in what section of the illustration shown? Illustration SG-0010

To provide emergency feed water supply to a steaming boiler, if it becomes necessary to secure the DC heater, suction s...

High pressure steam drains are normally discharged to the _______________.

Desuperheated steam can be found at the _______________.

The device shown in the illustration is a/an _______________. Illustration SG-0013

The primary purpose of a control desuperheater installed in the steam drum of a boiler is to _______________.

Which of the following locations could desuperheated steam be considered to occur?

In what section of a boiler would you find a steam quality of 90%?

The boiler wrapper sheet, shown in the illustration, is indicated by arrow _______________. Illustration SG-0007

Steam baffles are used in the steam drum of a water-tube boiler to _______________.

Which of the following statements represents the purpose of boiler sliding feet?

The internal feed pipe in a D-type marine boiler _______________.

The pressure in the feed water system must exceed boiler steam drum pressure in order to _______________.

Recirculation of the feed water ensures a flow of water through the _______________.

During initial starting of the standby turbine-driven boiler feed pump, which of the listed valves should remain closed?...

Which of the following statements is correct regarding the start-up operation of a non-condensing turbine-driven feed pu...

Auxiliary boilers are divided into several classifications, one of which is _______________.

In a coil-type forced circulation auxiliary water-tube boiler, _______________.

Bottom blow valves are installed on auxiliary water-tube boilers to _______________.

The purpose of the separating nozzle in the accumulator of a water-tube, coil-type, steam generator is to separate ____...

Which of the following statements concerning fire-tube boilers is correct?

Downcomers installed on auxiliary package boilers are protected from direct contact with hot gases by _______________.

The purpose of try-cocks used on an auxiliary boiler is to _______________.

The gage glass on a coil-type auxiliary boiler is connected to the _______________.

The rate of heat transfer in a water-tube auxiliary boiler can be increased by _______________.

Excessive alkalinity of boiler water will cause _______________.

If boiler water chemicals are decreasing in one boiler and increasing in the other boiler, while both are steaming at n...

A malfunction in the DC heater is indicated by _______________.

Excessive carbon dioxide formed by improper chemical treatment in the boiler may cause corrosion in the _______________.

Condensate accumulation in the steam side of a fuel oil heater could result in _______________.

A leaky fuel oil heater relief valve could be indicated by an increase in the _______________.

If oil is found in the main fuel oil heater steam drain system, which of the actions listed should be taken first?

The rate of fouling on the oil side of a fuel oil heater is inversely related to the _______________.

One factor for determining the minimum feed water inlet temperature to a boiler economizer is the _______________.

Boiler fuel savings gained by the use of an economizer can amount to _______________.

The minimum feed water inlet temperature to a boiler economizer is determined by the _______________.

The boiler economizer provides additional heat to the _______________.

A mechanical carbon dioxide recorder operates by detecting the difference between air and the _______________.

Generally, a 12% to 14% content of carbon dioxide in boiler flue gases indicates _______________.

The absence of carbon monoxide in the flue gas of a boiler indicates _______________.

A flue gas analysis is performed to determine the _______________.

If an analysis of boiler flue gas determines there is no excess air for combustion, you should expect the nitrogen cont...

Assuming all burners are clean and the fuel oil is at the correct temperature, it is considered good practice to adjust ...

When burning fuel oil in a boiler, a high CO2 content is desired in the stack gas because _______________.

Which of the following chemicals is used in an Orsat apparatus to absorb carbon dioxide?

Coast Guard Regulations

According to Coast Guard Regulations

Coast Guard Regulations

The leakage of air into the pump casing by way of the packing gland of a condensate pump, is prevented by _____________...

If the main condenser were operating at a vacuum of 28.5"Hg, a condensate discharge temperature of 86°F, a seawater inle...

Which statement listed represents a vital function of the main condenser?

One of the basic rules applying to the operation of a single-pass main condenser is that the _______________.

Air accumulated in the after condenser of the air ejector unit is discharged directly to the _______________.

Maintaining low pressure in a condensing turbine exhaust trunk _______________.

A boiler has a steam delivery capacity of 100,000 pounds per hour, and is equipped with four steam atomizing burners. If...

In a steam assist fuel oil atomizer, the steam pressure is higher than the oil pressure at _______________.

In a steam assist atomizer, the fuel oil/steam mix takes place entirely within the _______________.

Boilers equipped with steam atomizers can operate over a wide load range without cutting burners in and out because ___...

Compared to the return flow oil burner system, an internally mixed steam atomizer requires _______________.

In most installations, the firing rate of a boiler using steam atomization is indicated by the _______________.

Which of the listed mediums should be used when water washing a boiler?

When water washing a boiler, the proper sequence for washing the sections should be the _______________.

The relief valve on the discharge side of the fuel oil service pump may discharge directly to the suction side of the p...

Pumps normally used for fuel oil service are _______________.

The illustrated burner atomizer assembly is _______________. Illustration SG-0022

The primary purpose of the sprayer plate in a mechanical atomizing oil burner is to _______________.

The boiler superheater shown in the illustration is a/an_______________. Illustration SG-0007

Where is the superheater located in the boiler shown in the illustration? Illustration SG-0008

The purpose of the division plates installed in boiler superheater headers is to _______________.

The items labeled "D" and "M" as indicated on the illustration are commonly called _________________. Illustration SG-00...

Coast Guard Regulations

In accordance with Coast Guard Regulations

Coast Guard Regulations

Coast Guard Regulations

According to Coast Guard Regulations

All oil-fired main propulsion burners with automatic safety control systems must automatically close the burner valve w...

When warming up a fuel oil service system, you should open the steam supply to the fuel oil heaters _______________.

The fins on the tubes of a fin type fuel oil heater are provided to _______________.

High pressure and low pressure drain systems are part of the _______________.

Which of the components listed prevents water from flowing back into the auxiliary exhaust line if the deaerating feed t...

Every vessel, steam or motor, has a steam system that incorporates steam traps strategically located throughout the pipi...

What type of sensor is normally used with the automatic recirculating valve in the main condensate line?

Cooling water to the vent condenser in a DC heater is supplied by the _______________.

The safety valve nominal size for propulsion boilers and superheaters must be not less than 1 1/2 inches and not more th...

Coast Guard Regulations, 46 CFR Part 54, require steam safety and relief valves to be provided with a substantial liftin...

Coast Guard Regulations

Coast Guard Regulations

Coast Guard Regulations

Coast Guard regulations require that the relieving capacity of boiler safety valves must be checked _______________.

If the maximum steam generating capacity of a boiler is increased Coast Guard Regulations

The MAWP of a boiler is 900 psi and the normal drop across the superheater is 20 psi. If the superheater safety valve is...

A boiler superheater safety valve is set to lift at 450 psi

Which of the listed procedures is the most important factor to take into consideration when making repairs to the refrac...

To assure a long service life for boiler refractory materials after installation, the most effective method is to ______...

After patching refractory with plastic firebrick, holes are poked in the patch on 1 1/2 inch centers in order to ______...

A furnace wall in which there are open spaces around the brick as a result of firebrick shrinkage is _______________.

Which of the listed refractory materials should be used for patching a burner front formed of plastic, castable, or tile...

When you are installing a new furnace floor in an oil fired boiler, the clearance between the firebricks should be larg...

According to Coast Guard Regulations

A dissolved oxygen concentration of 8.0 ppm represents _______________.

Phenolphthalein is used as an indicator to test boiler water for _______________.

A sample of boiler water can be chemically tested for alkalinity by initially adding a few drops of phenolphthalein and...

Testing boiler water for chloride content will indicate the amount of _______________.

Which of the following would indicate a moderate leak in the desuperheater?

What is the primary operational difference between a nozzle reaction safety valve and a huddling chamber safety valve? ...

Which of the listed types of safety valves is shown in the illustration? Illustration SG-0018

When excessive static boiler pressure has resulted in the initial lift of the valve disc, a huddling chamber safety val...

On a boiler safety valve, the blow down adjusting ring is locked in place by a _______________.

On a steam vessel with two high pressure boilers, one suspects a superheater leak. How would you determine which boiler ...

Warping of superheater screen tubes can be caused by _______________.

An excessively high superheater temperature could be the result of _______________.

Insufficient combustion air supply to the furnace would cause _______________.

Under normal operating conditions, a drop in the steam temperature leaving an uncontrolled interdeck superheater could ...

Dirty generating tube surfaces may cause higher than normal superheater outlet temperatures because _______________.

While steaming underway the second engineer reports a high superheater outlet temperature. Which of the following could ...

When operating under constant load, the superheated steam temperature may rise above normal if the _______________.

While steaming underway the second engineer reports a low superheater outlet temperature. Which of the following could b...

The valve located between the fuel oil header and the burner valve is known as the _______________.

Valve "H" shown in the illustration, functions to _______________. Illustration SG-0009

Which type of waterside deposits can normally be removed by chemically boiling out a boiler?

Steam line water hammer can be best prevented by _______________.

A water-tube boiler can be laid up either wet or dry. If it is to be laid up wet, you should _______________.

One boiler of a two boiler plant has ruptured a tube and the water cannot be maintained in sight in the gage glass. Afte...

Under EMERGENCY operating conditions, the proper valve positions for controlling feed water to the boiler should be the...

In the event of a failure of the pneumatic control system, a multi-element feed water regulator is designed to operate ...

The most harmful slag forming compounds found in fuel oils are _______________.

The viscosity of a residual fuel oil is measured in Saybolt _______________.

The property of a fuel oil which is a measurement of its available energy is known as its _______________.

The minimum temperature requirements for fuel oil in storage tanks is related to the _______________.

The BTU value of fuel oil is determined by a/an _______________.

Which constituent of fuel oil determines the specific heat?

Which combustible element in fuel oil is considered a significant and major source of air pollution?

The flash point of a residual fuel oil should be used to determine the highest temperature to which the oil may be heat...

Which of the significant combustible elements of fuel oil is a major source of boiler corrosion?

The leakage of air into the pump casing by way of the packing gland of a condensate pump is prevented by ______________...

Condensate pumps have distinctly noticeable characteristics and can usually be recognized by their _______________.

In a main propulsion steam turbine installation, the condensate pump initially discharges to the _______________.

If it should become necessary to abandon a compartment because of the danger of a large steam leak on a boiler, which of...

Which of the listed operating practices is considered as safe, and should be followed when opening and inspecting the wa...

Which of the precautions listed should be taken when gagging a boiler safety valve?

While trying to light off a burner on a semi-automated boiler, you note that the fuel oil solenoid valve at the burner w...

In a boiler automation system, if a burner fuel oil solenoid valve continually trips closed under normal steaming condi...

While your vessel is steaming with one boiler, the automatic combustion control system sensing line for the idle boiler ...

Modern day boiler automation allows bypassing the "flame safeguard" system to permit a burner to have a "trial for ignit...

The temperature of the fuel oil received during bunkering operations is critical in determining the _______________.

Which of the pumps listed takes fuel oil suction from the double bottom tanks and discharges it to the settling tanks? ...

When you are transferring fuel oil from one double bottom tank to another, precautions to be observed should include __...

Waterside abrasion of boiler tubes can be caused by _______________.

Blisters developing on boiler tubes can be caused by _______________.

Boiler tube failures can result from _______________.

In a water-tube boiler, waterside scale formation is caused by _______________.

The formation of a pit in the surface of a boiler tube is most likely to occur when _______________.

Fireside burning of boiler tubes is usually the direct result of _______________.

Cratering and water tracking in boiler tubes is caused by _______________.

When the rate of heat transfer through tube walls is so reduced that the metal becomes overheated, which of the followin...

Which of the following represents a significant system limitation to be aware of when a burner management system is oper...

In an automatically fired boiler, the steam pressure regulator controls the supply of fuel oil to the burners by respon...

Fine adjustments to a boiler combustion control system, to bring about near perfect combustion, should be made by manua...

As found in a basic pneumatic automatic combustion control system, the function of a standardizing relay is to ________...

In automatic combustion control systems, increasing or decreasing a loading pressure by a set amount is called ________...

Flame scanners are used with boiler combustion control systems to monitor flame quality and to _______________.

The photoelectric cell installed as part of the combustion safety controls of an automatically fired boiler will _______...

A lower than normal boiler stack gas temperature usually indicates _______________.

The major heat loss in an oil fired boiler is the heat _______________.

A high carbon monoxide content in the flue gases of a boiler indicates _______________.

In the boiler shown in the illustration, the arrow "E" indicates a ________________. Illustration SG-0008

One advantage of installing water wall tubes in a boiler furnace is to _______________.

In most marine boilers, the primary reason the first few rows of generating tubes, called screen or furnace row tubes, a...

Which area shown in the illustration will offer the most resistance to heat transfer from the fireside to the waterside ...

Under what operating conditions may water wall header drains be used for blow down?

If a ship is to be laid up for an indefinite period, the steam side of the main condenser should be _______________.

The rate of heat transfer in a water-tube auxiliary boiler can be increased by _______________.

Which of the following statements concerning fire-tube boilers is correct?

The boiler shown in the illustration would be classed as MO-0064

Fusible plugs are installed in fire-tube boilers to _______________.

The tube sheets installed in a fire-tube auxiliary boiler are normally connected by _______________.

Which of the conditions listed could cause a boiler economizer to leak?

When reviewing the engine log on a steam ship, you notice a lower than normal feed water temperature, high furnace press...

Which of the conditions listed would indicate excessive soot buildup on the economizer?

A basic comparison can be made between a low pressure evaporator operation and a main condenser with regards to the remo...

From which of the areas listed are condensate drains normally collected and returned to the low pressure drain system? ...

If the saturation pressure of water is increased, the relative values shown on the illustrated graph of SG-0001 will cha...

According to the data given in the illustration which of the following would be the physical state of the fluid at a gag...

What physical changes will occur to the steam within a boiler that has been properly bottled up when additional heat is ...

Which of the following statements is true concerning the information tabulated in the table? Illustration SG-0004

If a boiler generates saturated steam at 125.3 psig, how much heat is required to change the water into steam if the fee...

The water level in a steaming boiler has risen to within 2 inches from the top of the gage glass. Your immediate action...

Excess free oxygen in the boiler feed water can be the result of _______________.

In a closed feed and water cycle, which of the conditions listed could prevent vacuum from reaching the desired level? ...

On a steam vessel, if a centrifugal main feed pump were operating at shutoff head with the recirculating line closed, wh...

Which of the conditions listed may be indicated by the lifting of the DC heater relief valve?

The second engineer reports to you as the Chief Engineer that there is an increased use of oxygen scavenging chemicals i...

Excessive water loss from the main feed system can be caused by _______________.

Which of the devices listed is used to keep overheated condensate from flowing to the deaerating feed tank?

Air accumulated in the inter condenser of the air ejector assembly is discharged directly to the _______________.

Which statement is true concerning two-stage air ejector assemblies?

Why does air entry into the main condenser reduce the efficiency of the steam cycle?

Serious tube leaks in the air ejector condenser assembly will cause _______________.

Which piping system is described in the illustration provided. Illustration SG-0010

If manual control of the water level in a steaming boiler is required, the proper method of control is with the auxilia...

When operating with the auxiliary feed line, feed water flow is controlled _______________.

The boiler main feed stop check valve is located nearest the _______________.

When installed, the economizer relief valve should always be set _______________.

Which of the methods listed would be most effective in repairing a steam cut on a seating surface of a superheater handh...

Which of the tools listed is used to remove a boiler tube from a header?

Vapor blowing from the air ejector condenser vent may be caused by _______________.

While maneuvering out of port, you answer a stop bell. You notice a lot of steam coming out of the gland exhaust condens...

During maneuvering on a steam vessel, the condenser vacuum begins to decrease when the turbines are slowed for a slow ah...

Scale in the air ejector first-stage nozzle could cause a decrease in the _______________.

While underway it is noticed that the main air ejector is having a hard time maintaining vacuum in the main condenser. W...

Salt water contamination of condensate could occur at which component?

Which of the conditions listed could prevent a centrifugal condensate pump from developing its rated capacity?

Excessive condensate depression can result in _______________.

The duty engineer reports an alarm on the condensate observation tank oil sensor. Which of the following could be a poss...

While underway the engineer on watch reports the vacuum in the main condenser has been gradually decreasing. Which of th...

Excessively hot water returning to an atmospheric drain tank indicates _______________.

If the cooling water flow through the air ejector inter condensers and after condensers is inadequate, which of the prob...

On a steam turbine vessel with a propeller type, electrically driven, main circulating pump, one suspects condenser tube...

If the salinity indicator periodically registers high salinity in the main hotwell, the cause may be _______________.

Dissolved oxygen in the condensate can result from _______________.

While underway, the boiler water level in a steaming boiler begins dropping rapidly and cannot be kept at the normal lev...

Your vessel is steaming full ahead and operating on both boilers. If the boiler water level of one boiler drops out of s...

Which of the casualties listed is apt to occur immediately after a high water casualty?

If a major flareback occurs to a boiler, which of the following actions should be immediately taken?

Which action should be taken if the water level in the boiler gage glass drops out of sight and the burners fail to secu...

Which of the following actions should be carried out if the boiler water level is falling due to a tube failure?

After restoring the normal water level in a boiler following a high water casualty, you should _______________.

If the water level in one boiler of a two boiler plant rapidly falls out of sight, which of the following actions should...

When a soot fire occurs, damage to an economizer can be minimized if you _______________.

To minimize metal corrosion, boiler water is best kept _______________.

When a boiler water test indicates a pH value of 6, you should _______________.

Calcium minerals in boiler water are precipitated out of solution by the use of which of the listed chemicals?

Although accurate tests of boiler water for dissolved oxygen are difficult to obtain onboard ship, you can be fairly ce...

Which of the listed refractory materials can be used in an area directly exposed to the highest heat in the furnace? ...

In a regenerative air heater, air is bypassed around the heater while _______________.

A variable capacity, pressure atomizing, fuel oil burner functions to _______________.

When the steam pressure drops below a set value on an automatically fired auxiliary boiler, fitted with rotary cup atom...

The solenoid valves in the fuel oil supply line to an automatically fired auxiliary boiler are automatically closed by ...

Which of the following statements describes how the fuel oil enters the whirling chambers of the sprayer plates used in ...

The unit shown in the illustration is used as the _______________ Illustration SG-0025

The connections labeled "A" in the illustration, are used to _ SG-0025

The steam separator as used in conjunction with a steam whistle normally drains to which of the listed drain systems? ...

Which of the following statements represents the function of a turbine gland exhaust condenser?

The main reason for having a low suction line on the fuel oil service or settling tanks is to _______________.

Which of the following actions should be taken FIRST when water is found in the fuel oil settling tank?

Fuel oil is transferred to the settling tanks for _______________.

Coast Guard Regulations

When a boiler economizer is fitted with a valved bypass, Coast Guard Regulations

In a steam turbine and reduction gear main propulsion plant, the alarm sensor for low turbine oil pressure is usually in...

Which of the following statements is true concerning the lube oil system shown in the illustration? Illustration SE-0011...

After starting the main lube oil pump in a gravity-type lube oil system, you should verify that the gravity tanks are f...

Which of the following statements about gravity type lube oil systems is correct?

Oil supply pressure to the main lube oil header of a gravity feed lube oil system is _______________.

The maximum lube oil temperature leaving a large, main propulsion steam turbine bearing should _______________.

Which of the following statements is true concerning the turbine shown in the illustration? Illustration SE-0016 ...

The astern element of a main propulsion turbine is usually designed as a/an _______________.

The most practical method of determining the condition of a shaft bearing while the shaft is in operation is to _______...

Which of the following would cause the dowel or locking lip of a split-type, precision insert, main bearing to shear and...

Considering helical main reduction gearing, what operational anomalies do the following tooth or teeth conditions repres...

Which immediate action should you take when the temperature of one line shaft bearing increases above its normal operati...

If a line shaft bearing begins to overheat, the shaft speed should be reduced. If overheating persists, you should then...

A sequential lift, nozzle valve control bar on a turbo-generator, utilizes which of the following operating principles? ...

Which of the following statements represents the significance of the differential pressure existing between the nozzle b...

Which of the following is used to hold the poppet valves closed in a turbo-generators nozzle control speed regulator? ...

A motor driven synchronizing device, figure "D" shown in the illustration, operated from the generator switchboard, init...

A back pressure trip on a ship's service turbo-generator functions to trip the turbine under what circumstance?

A pilot valve and servomotor are utilized in mechanical-hydraulic governing systems on a turbo-generator unit in order...

Which of the listed parts illustrated in the turbo-generator governing system, provides the follow-up to prevent the noz...

Which of the listed actions will occur when there is an increase in load on a ship service generator equipped with a cen...

When starting a turbo-generator, you must provide lube oil pressure to the governor power piston by means of __________...

An auxiliary turbine boiler feed pump should normally be stopped by _______________.

The over speed tripping device installed on an auxiliary turbine is automatically actuated by _______________.

The turbine of a turbo-electric drive should be secured by _______________.

Most auxiliary turbine feed pumps do not require an external source of gland sealing steam because they _______________.

Packing rings installed on auxiliary turbines are generally lubricated by _______________.

The labyrinth seals used on rotating steam turbine shafts reduces external leakage by causing _______________.

Where are moisture shields located in a main propulsion steam turbine?

When turbine rotor shafts extend through the casing, an external source of sealing steam is used in conjunction with la...

Labyrinth seals used to reduce leakage around a turbine shaft are constructed of _______________.

Which of the devices listed is found on an LP main propulsion steam turbine casing?

The purpose of the sentinel valve installed on a turbine casing is to _______________.

The splits located in the halves of main reduction gear bearings are aligned at an angle to the horizontal in order to ...

Which of the following types of bearings are used as line shaft bearings?

Babbitt is a metal alloy commonly used for lining _______________.

Most main propulsion reduction gear bearings are _______________.

An unusual vibration in the main propulsion turbine unit, accompanied by a rumbling sound in the reduction gear, could ...

Raising vacuum on a main turbine unit without using the turning gear will result in _______________.

Excessive thrust bearing wear in a main propulsion turbine rotor should FIRST become apparent by _______________.

If the main propulsion turbine begins to vibrate severely while you are increasing speed, you should _______________.

A common cause of the Babbitt linings cracking in a turbine journal bearing is from _______________.

When a turbine bearing shows signs of overheating, you should _______________.

The original bridge gage reading for a reduction gear bearing was measured as .008 inches. A year later, the bridge gage...

The main propulsion turbine can be damaged by _______________.

If steam is admitted to the main propulsion turbine with the jacking gear engaged, which of the following problems can o...

The part shown in the illustration would be located between which of the following components of a modern geared turbine...

Which of the following statements is true concerning the coupling shown in the illustration? Illus...

Which of the devices listed is commonly used to compensate for the expansion and minor misalignments occurring between t...

To prevent damage to the turning gear mechanism, which of the following procedures must be carried out before the turnin...

In securing the main turbines, steam to the second stage air ejectors should be left on for a short period of time in o...

After properly lining up the main propulsion turbine for warm up, steam should first be admitted to the rotor through t...

With vacuum up and the main propulsion turbine standing by while awaiting engine orders, it is necessary to roll the uni...

Prior to rolling the main turbines in preparation for getting underway, you should _______________.

Before placing the jacking gear in operation on a main turbine unit, you must always insure that _______________.

To stop the rotor of a main turbine while underway at sea you should _______________.

When a turbine rotor is not rotating during maneuvering, the heat tends to be concentrated at the _______________.

In the illustration, the function generators will accept only a signal of a given polarity and the amplifier "M" inverts...

Which of the statements listed applies to the quill shaft shown in the illustration? Illustration SE-0005

The base ring shown in the illustration is identified by the letter _______________. Illustration SE-0012

In the thrust bearing assembly illustrated the total oil clearance can be correctly decreased by _______________. Illust...

In the diagrammatic arrangement of the thrust bearing, shown in the illustration, the direction of shaft rotation and th...

A Kingsbury, or pivot shoe type thrust bearing, can bear much greater loads per square inch of working surface than can ...

As found in a reduction gear drive system, thrust bearings serve to _______________.

While a vessel is underway the low-pressure turbine high-speed pinion is damaged. The pinion is then removed from the g...

The size of the discharge ring used for the efficient operation of a disk type purifier is dependent upon the _________...

The three wing device in the unit illustrated is maintained in its position by item _______________. Illustration GS-012...

Clean oil leaves the centrifuge illustrated through item 0124

Water removed through centrifugal force in the illustrated unit is displaced from the bowl through _______________. Illu...

The jacking/turning gear mechanism of a main propulsion geared turbine installation is normally connected through mecha...

The main propulsion shaft turning gear usually connects to the free end of the high-speed high pressure pinion because t...

Which of the devices listed is generally used to engage the main engine turning gear to the high pressure turbine high-s...

The jacking gear on main propulsion turbines can be used to _______________.

Allowance for axial expansion of the steam turbine due to temperature changes is provided for by the use of ___________...

An efficient seal is normally obtained between the upper and lower halves of a turbine casing by _______________.

Turbine casing flanges are sometimes provided with a system of joint grooving to _______________.

The reduction gear shown in the illustration is a/an _______________. Illustration SE-0013

What is the significance of pinion deflection in the operation of reduction gears?

The purpose of the main reduction gears is to _______________.

Regarding main reduction gears, when high speed first reduction pinions and gears are connected to low speed pinions and...

The component labeled "II", as shown in the illustration is called the _______________. Illustration SE-0013

When a sudden increase in pressure occurs in a forced lubrication system, you should check for a _______________.

If a tube should leak in an operating main steam turbine lube oil cooler, the water will not immediately contaminate th...

If a lube oil pump fails to build up discharge pressure, the cause could be the _______________.

While a vessel is underway, which of the conditions listed would indicate a leak in the lube oil cooler?

No lube oil appearing in the sight glass (bull’s-eye) of a gravity type system is a positive indication of ____________...

While underway on a steam ship, the engineer on watch reports a loss of oil flow in the oil head tank bull's eye. Which ...

Which of the conditions listed could cause an oil flow sight glass, of a main turbine bearing, to be completely filled w...

Which of the following statements describes how the main propulsion turbine over speed relay initiates closing of the th...

To determine the extent of lube oil system contamination you would _______________.

Which of the following would contribute to the formation of an oil and water emulsion, in addition to acid formation? ...

Which of the following conditions may exist if you detect an excessive amount of metal particles on a main engine lube o...

Water retained in the lube oil system of a main propulsion turbine installation is undesirable because it _____________...

A cloudy or milky appearing lube oil sample, taken from the main lubricating oil system could be caused by ____________...

Precautions to be observed prior to starting a turbine driven cargo pump should include _______________.

On a main propulsion turbine bearing, the readings obtained with a bridge gage represent the _______________.

Main steam turbine bearings are lined with _______________.

Journal bearings used with modern turbine rotors are manufactured in two halves in order to _______________.

For a large main propulsion turbine, the most commonly used turbine thrust bearing is the _______________.

The adjustable spherically seated self-aligning bearing housings used in main turbines are provided with oil deflector ...

The constant pressure governor of a turbine-driven feed pump maintains which of the following pressures at a constant va...

An excess pressure governor would normally be used on a _______________.

The over speed tripping device installed on an auxiliary turbine is automatically actuated by _______________.

On a geared steam turbine vessel in order to obtain an accurate and comparative indication of gear tooth contact and wea...

Which of the following operational practices is helpful in avoiding the accumulation of condensate in the main reduction...

Which of the listed operational checks should be made "continuously" on the main propulsion reduction gears?

What is the FIRST thing that will happen if both the main and standby lube oil pumps fail on a geared main propulsion tu...

When an oil purification centrifuge loses a portion of its seal, the oil can then be discharged through the heavy phase ...

When the flow of oil admitted to a disk-type centrifugal purifier is in excess of its designed capacity, which of the fo...

In the illustrated device, what would be a reason for oil being discharged from port "N"? Illustration GS-0124

Which of the following problems will occur if a manually cleaned disk-type centrifugal lube oil purifier contains insuff...