-20.5°C
-50°C
-63.3°C
-78.3°C
✅ The correct answer is option D.
Engineering MCQs
Effort 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 A.
The __________ engines can work on very lean mixture of fuel.
spark ignition
compression ignition
✅ The correct answer is option B.
The abrasive slurry used in ultra-sonic machining contains fine particles of
aluminium oxide
boron carbide
silicon carbide
any one of these
✅ The correct answer is option D.
The ratio of the energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam is called mechanical efficiency.
Yes
No
✅ The correct answer is option B.
The specific gravity of Diesel is about
0.65
0.75
0.85
0.95
✅ The correct answer is option C.
When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be
to move the ship towards star-board
to move the ship towards port side
to raise the bow and lower the stern
to raise the stern and
✅ The correct answer is option A.
The operation performed on a shaper is
machining horizontal surface
machining vertical surface
machining angular surface
all of these
✅ The correct answer is option D.
The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive) is called
repeated stress
yield stress
fluctuating stress
alternating stress
✅ The correct answer is option C.
The neutral axis of the symmetrical beam does not pass through the centroid of the beam.
Agree
Disagree
✅ The correct answer is option B.