remain same
decrease
increase
✅ The correct answer is option B.
Mechanical Engineering MCQs
Lancashire boiler has __________ internal flue tubes.
one
two
three
four
✅ The correct answer is option B.
The ductility of a material __________ with the increase in percentage reduction in area of a specimen under tensile test.
increases
decreases
remains same
✅ The correct answer is option A.
The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by
✅ The correct answer is option C.
All steam engines work on
Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
none of these
✅ The correct answer is option C.
The power developed by a body acted upon by a torque T newton metre (N – m) and revolving at ω radian/s is given by
T.ω (in watts)
T.ω/60 (in watts)
T.ω/75 (in kilowatts)
T.ω/4500 (in kilowatts
✅ The correct answer is option A.
The specific gravity of water is taken as
0.001
0.01
0.1
1
✅ The correct answer is option D.
When cornering, the differential generates a difference in the speed of the left and right wheels.
TRUE
FALSE
✅ The correct answer is option A.
In chemical dehumidification process,
dew point temperature decreases
wet bulb temperature decreases
dry bulb temperature increases
all of these
✅ The correct answer is option D.
Power of a governor is the
mean force exerted at the sleeve for a given percentage change of speed
workdone at the sleeve for maximum equilibrium speed
mean force exerted at the sleeve for maximum equilibrium speed
none of the above
✅ The correct answer is option D.