petrol
kerosene
fuel oil
lubricating oil
✅ The correct answer is option D.
Mechanical Engineering MCQs
The acceleration of the particle moving with simple harmonic motion is __________ at the mean position.
zero
minimum
maximum
✅ The correct answer is option A.
In cyclic loading, stress concentration is more serious in
brittle materials
ductile materials
brittle as well as ductile materials
elastic materials
✅ The correct answer is option B.
The dynamic tooth load is due to
inaccuracies of tooth spacing
irregularities in tooth profiles
deflections of teeth under load
all of these
✅ The correct answer is option D.
The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression system is
high pressure saturated liquid
wet vapour
very wet vapour
dry vapour
✅ The correct answer is option C.
The parking brakes employed in vehicles are operated
mechanically
hydraulically
pneumatically
none of these
✅ The correct answer is option A.
Barometer is used to measure
velocity of liquid
atmospheric pressure
pressure in pipes and channels
difference of pressure
✅ The correct answer is option B.
In an impulse turbine
the steam is expanded in nozzles only and there is a pressure drop and heat drop
the steam is expanded both in fixed and moving blades continuously
the steam is expanded in moving blades only
the pressure and tempe
✅ The correct answer is option A.
Merit rating is the method of determining the
relative values of a job
worker’s performance on a job
worth of a machine
value of overall produ
✅ The correct answer is option B.
The bomb calorimeter is used for finding the __________ calorific value of solid and liquid fuels.
higher
lower
✅ The correct answer is option A.