Question 128Motor Plants - QMED
70% to passThe pressuretrol which is installed on an auxiliary boiler senses steam pressure changes and _______________.
Acontrols the flow of feedwater to the boiler
Bmonitors the boiler high water level
Csecures the fires when a fusible plug burns out
Dautomatically regulates the quantity of oil and air flow to the burner
AI Explanation
The correct answer is D) automatically regulates the quantity of oil and air flow to the burner. The pressuretrols installed on auxiliary boilers sense changes in steam pressure and automatically adjust the oil and air flow to the burner. This helps maintain the proper combustion conditions and steam pressure within the boiler. The pressuretrols act as a safety device to prevent dangerous pressure fluctuations. The other options are incorrect because: A) the feedwater control handles that task, B) the water level controls monitor the high water level, and C) the fusible plug secures the fire if the water level gets too low, not the pressuretrols.
Related Questions
Q85:According to the illustrated main engine cooling water systems drawing, which la... Q3:Which of the listed types of superchargers will NOT have a volumetric capacity p... Q180:In a diesel engine jacket water cooler, with sea water cooling the engine jacket... Q165:In a diesel engine exhaust system, the cooling of the exhaust gases below their ... Q124:Which of the following methods is used to securely fasten the babbitt lining of ...
Ready to test your knowledge?
Take a Motor Plants - QMED Practice ExamOfficial Resources