to reduce the ratio of expansion in each cylinder
to reduce the length of stroke
to reduce the temperature range in each cylinder
all of the above
✅ The correct answer is option D.
Mechanical Engineering MCQs
A manometer is used to measure
low pressure
moderate pressure
high pressure
atomospheric pressure
✅ The correct answer is option C.
The bodies which rebound after impact are called
inelastic bodies
elastic bodies
neither elastic nor inelastic bodies
none of these
✅ The correct answer is option B.
The ratio of actual work available at the turbine to the energy imparted to the wheel is known as __________ efficiency.
hydraulic
mechanical
overall
✅ The correct answer is option B.
The lip angle of a single point tool is usually
20° to 40°
40° to 60°
60° to 80°
none of these
✅ The correct answer is option C.
In a line organisation
responsibility of each individual is fixed
discipline is strong
quick decisions are taken
all of these
✅ The correct answer is option D.
A fine grained grinding wheel is used to grind hard materials.
Correct
Incorrect
✅ The correct answer is option A.
The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)
Cd 2g x H
Cd 2g x H3/2
Cd 2g x H2
Cd 2g x H5/2
✅ The correct answer is option D.
When shear force at a point is zero, then bending moment is __________ at that point.
zero
minimum
maximum
infinity
✅ The correct answer is option C.
A masonry dam may fail due to
tension in the masonry of the dam and its base
overturning of the dam
crushing of masonry at the base of the dam
any one of the above
✅ The correct answer is option D.