2 to 4
4 to 8
8 to l6
16 to 24
✅ The correct answer is option D.
Mechanical Engineering MCQs
A valve installed between the boiler and the feed pump is
blow off cock
feed check valve
steam stop valve
none of these
✅ The correct answer is option B.
A smooth cylinder lying on a __________ is in neutral equilibrium.
curved surface
convex surface
horizontal surface
✅ The correct answer is option C.
Which of the following is an inversion of a single slider crank chain?
Pendulum pump
Oscillating cylinder engine
Rotary internal combustion engine
all of these
✅ The correct answer is option D.
According to maximum shear stress theory, the maximum shear stress in the shaft is
✅ The correct answer is option A.
A fluid whose viscosity changes with the rate of deformation or shear strain is known as non-newtonian fluid.
TRUE
FALSE
✅ The correct answer is option A.
The general law for the expansion or compression of gases, is
pv = C
pv = m R T
pvn = C
pvγ = C
✅ The correct answer is option C.
In gears, interference takes place when
the tip of a tooth of a mating gear digs into the portion between base and root circles
gears do not move smoothly in the absence of lubrication
pitch of the gears is not same
gear teeth are undercu
✅ The correct answer is option A.
When there is an addition of water vapour to the air of enclosed space, a gain in __________ is said to occur.
sensible heat
latent heat
✅ The correct answer is option B.
In a thick cylindrical shell subjected to an internal pressure (p), the tangential stress is always a tensile stress where as the radial stress is a compressive stress
Correct
Incorrect
✅ The correct answer is option A.