lower
higher
✅ The correct answer is option B.
Mechanical Engineering MCQs
The malleability is the property of a material due to which it can be rolled or hammered into thin sheets.
Agree
Disagree
✅ The correct answer is option A.
Cast iron is used in those parts which are subjected to shocks.
Correct
Incorrect
✅ The correct answer is option B.
The cam follower extensively used in air-craft engines is
knife edge follower
flat faced follower
spherical faced follower
roller follower
✅ The correct answer is option D.
The specific humidity during cooling and dehumidification
remains constant
increases
decreases
✅ The correct answer is option C.
The material widely used for making pendulums of clocks is
stainless steel
high speed steel
heat resisting steel
nickel steel
✅ The correct answer is option D.
In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing
remains constant at all speeds
is minimum at zero speed and increases monotonically with increase in speed
is maximum at zero speed and decreases monotonically with increase in speed
becomes minimum at an
✅ The correct answer is option D.
The work study is done by means of
planning chart
process chart
stop watch
any one of these
✅ The correct answer is option C.
The train value of a gear train is
equal to velocity ratio of a gear train
reciprocal of velocity ratio of a gear train
always greater than unity
always less than unity
✅ The correct answer is option B.
Wire ropes as compared to cotton ropes
are lighter in weight
offer silent operation
can withstand shock loads
all of these
✅ The correct answer is option D.