QMED04 - Boiler Technician-Watertender

If emergency welding repairs must be made to the upper area of a fuel tank, the tank and/or adjacent compartments may n...

While underway on a steamship, the main condenser is operating under a 28.09 "Hg vacuum gauge. According to the illustr...

What type of respiratory protection provides the greatest protection from the various respiratory hazards, is specifica...

After taking on fuel oil, the hoses should be disconnected and _________.

With regard to the relative flow patterns through the tubes and the shell of single pass shell-and-tube heat exchangers...

Where is the location of a chain-operated valve when a chain wheel is attached to the stem and is associated with an en...

What is the primary purpose of a reach rod as used as a valve remote operator?

The advantage of using a dry chemical fire extinguishing agent is __________.

Fire detecting systems on merchant vessels may be arranged to sense _________.

What type of wound is most susceptible to a tetanus (lockjaw) infection?

The component in an inert gas system used for cleaning the gas of solid and sulfur combustion products, while simultane...

The tool used for cutting external pipe threads is called a pipe __________.

If a person gets something in his eye and you observe that it is not embedded, you can ________.

What is a quick and effective way of determining whether or not a boiler water gauge glass is operating properly?

On a ship with a continuously manned engine room, with a three-person watch rotation, what is the watch and rest period...

The primary function of an automatic sprinkler system is to __________.

High concentrations of hydrogen sulfide gas are most dangerous to personnel because they can __________.

Which of the following shoring materials is used to tightly make up the difference in length of a shore cut slightly sh...

What would be the most probable cause for a high-pressure alarm to be activated in a low-pressure CO2 fixed fire exting...

If you see an individual fall overboard, you should __________.

What is the purpose of the main steam stop bypass valve?

After prior isolation and lock-out/tag-out procedures are performed, which electrical device requires discharging any s...

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

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

Which extinguishing agent is most likely to allow reflash as a result of not cooling the fuel below its ignition temper...

As a firefighting medium, CO2 can be dangerous under certain conditions as it can cause __________.

By what criteria are hard hats (protective helmets) rated?

Enlarging one tube end so the end of another tube of the same size will fit inside is termed __________.

The DC heater functions to __________.

What type of direct reading thermometer works on the principle of differential expansion of dissimilar metals as the te...

Which factor determines the size of the ring dam for a fuel oil centrifugal purifier?

Which of the following is the purpose of the steam drum in a D-Type marine boiler?

In terms of the completeness of combustion, in viewing the flame through the peephole, what would be the indication of ...

After an emergency shoring installation has been completed, the __________.

How is lube oil pressure provided to a turbogenerator when starting the unit in an automated plant?

At a minimum threshold, how many milliamps of current through the body produces a condition where most people would exp...

Why are two fuel oil heaters "E" provided in the fuel oil system shown in the illustration? Illustration SG-0009

The terms rough, coarse, bastard, second cut, smooth, and dead smooth refer to the __________.

Using a sea anchor when in a life raft will _______.

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

Which of the following is NOT a treatment for traumatic shock?

When administering first aid you should avoid __________.

Most lifeboats are equipped with __________.

One function of the air receiver in a compressed air system is to __________.

When an aluminum plate is bolted to a steel plate, what is required at the bolted joint to minimize bimetallic corrosio...

Which characteristic of fuel oil is the most significant when determining the temperature to which the fuel oil must be...

In order for microbiological growths to thrive in a fuel tank it is necessary for __________.

Item 4 shown in the illustration represents a __________. Illustration GS-0125

Steam supplied to the main propulsion turbines is ________.

Which of the following conditions represents a particular advantage of using a positive pressure type self- contained br...

Condensate return lines from tank heating coils are led to the __________.

A pipe coupling is a fitting having __________.

When the compressed air reservoir is placed in line with an air compressor and is used as an aftercooler, what must be ...

A coolant is usually used when cutting metal in a power hacksaw to prevent the ________.

What is the danger if a boiler is brought on the line with its steam pressure much higher than that of the boiler alrea...

The DC heater automatic level dump valve is used to __________.

Why is it important for double bottom fuel oil tanks not to be topped off when loading fuel at cold temperatures?

The main feed check valve functions to __________.

With regard to the number of passes through the tubes of shell-and-tube heat exchangers, what statement is true?

Which of the following labeled items of the illustrated section of boiler refractory represents the insulating block? I...

According to the illustrated steam tables, what would be the superheater outlet temperature if saturated steam at 400 p...

There are three pieces of information that should be included in delivering a message via a sound-powered telephone. Wh...

When installing DANGER tags when performing a tag-out and lock-out procedure in preparation for accomplishing maintenan...

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

Which of the pumps listed operates at constant speed and delivers water to the deaerating feed tank at a nearly constan...

In what remote temperature indicating system is a voltage generated by the magnitude of temperature difference between ...

If a fire broke out in an automation console, you would first secure the power and then proceed to use which of the list...

Which of the tanks, shown in the illustration, supplies fuel to the emergency generator? Illustration MO-0058

What is the normal destination of steam exiting a main feed pump drive turbine?

If you hear the general alarm sounded 3 times supplemented by 3 short blasts of the whistle, what does this indicate?