along the axis of rotation
parallel to the axis of rotation
perpendicular to the axis of rotation
in any direction
✅ The correct answer is option A.
Mechanical Engineering MCQs
Normalising of steel is done to
refine the grain structure
remove strains caused by cold working
remove dislocations caused in the internal structuure due to hot working
all of the above
✅ The correct answer is option D.
In involute gears, the pressure angle is
dependent on the size of teeth
dependent on the size of gears
always constant
always variable
✅ The correct answer is option C.
The rolling of a complete ship side-ways is known as pitching of a ship.
TRUE
FALSE
✅ The correct answer is option B.
According to Euler’s column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends.
equal to
two times
four times
eight times
✅ The correct answer is option C.
The process, which causes the air to enter the impeller blades of a centrifugal compressor at __________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.
reduced
increased
✅ The correct answer is option A.
When carbon in the cast iron is principally in the form of graphite, the cast iron will be of
grey colour
white colour
yellow colour
brown colour
✅ The correct answer is option A.
The cutting edge of a chisel should be
hardened
tempered
hardened and tempered
case hardened
✅ The correct answer is option C.
When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.
inward
outward
✅ The correct answer is option A.
Which of the following does not relate to a spark ignition engine ?
Ignition coil
Spar kplug
Carburettor
Fuel injector
✅ The correct answer is option D.