Heat Engines Set 20

Mechanical Engineering

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This set of Heat Engines Multiple Choice Questions & Answers (MCQs) focuses on Heat Engines Set 20

Q1 | If engines of different horse power, rpm, cylinder dimensions are to be compared for their performance, the parameter of comparison could be
Q2 | Ambassador car engine is
Q3 | Which of the following chemical acts as anti-freeze?
Q4 | A low pressure accumulator is generally used with which of the following turbine
Q5 | Which is not the cause for loss of heat in boiler due to incomplete combustion?
Q6 | Temporary hardness of water is caused by
Q7 | Crankcase explosion occurs in
Q8 | Which of the following offers best resistance to knocking in S.I. engines?
Q9 | Which of the following engine can work on very lean mixture?
Q10 | Overall thermal efficiency of a thermal power plant is
Q11 | In gas and petrol engines thermal efficiency may be expected in the range
Q12 | A 200 MW generator should be cooled by
Q13 | Which of the following exists as highest pressure in a diesel engine
Q14 | A camshaft is not provided in case of
Q15 | The compression ratio in case of a gas turbine is of the order of
Q16 | Corona is generally accompanied by a faint glow and
Q17 | 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
Q18 | As the compression ratio increases the volumetric efficiency of air compressor
Q19 | A fan is being used under certain conditions. If the fan speed is doubled the power requirement will be
Q20 | A jet engine has
Q21 | In jet engines the compression ratio
Q22 | Steam trap is a device that
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