Q. Which of the following exists as highest pressure in a diesel engine
✅ Correct Answer: (C)
Fuel at the time of injection
Heat Engines MCQs | Page - 49
Dear candidates you will find MCQ questions of Heat Engines here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. The compression ratio in case of a gas turbine is of the order of
✅ Correct Answer: (A)
7
Q. Corona is generally accompanied by a faint glow and
✅ Correct Answer: (D)
Hissing noise
Q. If after some use the lower part, electrodes and beathing space of a spark plug are found coated by deposits of soot and carbon, the conclusion will be
✅ Correct Answer: (D)
Spark plug is of too high heat rating
Q. As the compression ratio increases the volumetric efficiency of air compressor
✅ Correct Answer: (B)
Decreases
Q. A fan is being used under certain conditions. If the fan speed is doubled the power requirement will be
✅ Correct Answer: (A)
8 times
Q. Steam trap is a device that
✅ Correct Answer: (A)
Allows passage of water but prevents the passage of steam
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