safety valve
water level indicator
pressure gauge
fusible plug
✅ The correct answer is option A.
Mechanical Engineering MCQs
In open cycle gas turbine plants
the indirect heat exchanger and cooler is avoided
direct combustion system is used
a condenser is used
all of the above
✅ The correct answer is option D.
The compression ratio is the ratio of
swept volume to total volume
total volume to swept volume
swept volume to clearance volume
total volume to cleara
✅ The correct answer is option D.
A steel containing __________ 0.8% carbon is known as hypo-eutectoid steel.
equal to
less than
greater than
✅ The correct answer is option B.
Phosphor bronze has
high resistance to corrosion
good wearing qualities and high elasticity
valuable cold working property
all of these
✅ The correct answer is option B.
The direct stress induced in a long column is __________ as compared to bending stress.
same
more
less
negligible
✅ The correct answer is option D.
While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is
independent of index change gear ratio
dependent on speed change gear ratio
inter-related to index change gear ratio
independent of speed a
✅ The correct answer is option C.
The radial distance from the __________ to the clearance circle is called working depth.
addendum circle
dedendum circle
✅ The correct answer is option A.
The term ‘centroid’ is
the same as centre of gravity
the point of suspension
the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
none of the above
✅ The correct answer is option A.
The boiling point of R-12 is about – 30°C.
TRUE
FALSE
✅ The correct answer is option A.