remains unaffected
decreases
increases
✅ The correct answer is option C.
Mechanical Engineering MCQs
The function of the washer is to
fill up the axial gap
provide bearing area
provide cushioning effect
absorb shocks and vibr
✅ The correct answer is option B.
The metacentric height is the distance between the
centre of gravity of the floating body and the centre of buoyancy
centre of gravity of the floating body and the metacentre
metacentre and centre of buoyancy
original centre of buo
✅ The correct answer is option B.
The function of a piston in a steam engine is
to guide motion of the piston rod and to prevent it from bending
to transfer motion from the piston to the cross-head
to convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment
✅ The correct answer is option C.
The function of a radiator fan in the cooling system is that
it blows air through the radiator when necessary
it is turned by wind force as the vehicle moves forward, and its rotation drives the water pump
it cools the engine by blowing air onto the cylinder block
it draws heat out of t
✅ The correct answer is option A.
The coriolis component of acceleration exists whenever apoint moves along a path that has
linear displacement
rotational motion
gravitational acceleration
tangential acceleratio
✅ The correct answer is option B.
The octane rating of petrol commerically available is
85-95
95-100
100-110
110-125
✅ The correct answer is option A.
The correct mixture strength (by weight) for petrol is about
14.6:1
18.5:1
20.4:1
22.6:1
✅ The correct answer is option A.
The coordination number of a face centred cubic space lattice is
six
twelve
eighteen
twenty
✅ The correct answer is option B.
The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the
pressure head
velocity head
pressure head + velocity head
pressure head – veloci
✅ The correct answer is option A.