compressor efficiency
volumetric efficiency
isothermal efficiency
mechanical efficiency
✅ The correct answer is option D.
Engineering MCQs
The factor which affects the critical speed of a shaft is
diameter of disc
span of shaft
eccentricity
all of these
✅ The correct answer is option D.
The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced.
equal to
less than
more than
✅ The correct answer is option B.
The maximum discharge over a broad crested weir is
0.384 Cd x L x H1/2
0.384 Cd x L x H3/2
1.71 Cd x L x H1/2
1.71 Cd x L x H3/2
✅ The correct answer is option D.
The rate of steam produced in Benson boiler is
100 tonnes/h
135 tonnes/h
175 tonnes/h
250 tonnes/h
✅ The correct answer is option B.
A single acting steam engine produces __________ power than that of double acting steam engine.
equal
half
double
four times
✅ The correct answer is option B.
Pre-ignition is caused by the spontantaneous combustion of the mixture before the end of the compression stroke, and is due to
cylinder walls being too hot
overheated spark plug points
red hot carbon deposits on cylinder walls
any one of these
✅ The correct answer is option D.
One watt is equal to
0.1 joule/s
1 joule/s
10 joules/s
100 joules/s
✅ The correct answer is option B.