TRUE
FALSE
✅ The correct answer is option A.
Mechanical Engineering MCQs
The machining allowance provided on patterns depends upon
type of casting metal
size and shape of casting
method of casting used
all of these
✅ The correct answer is option D.
Which of the following wage incentive plan guarantees minimum wage to a worker and bonus is paid for the fixed percentage of time saved?
Halsey plan
Gantt plan
Rowan plan
Emerson’s efficiency plan
✅ The correct answer is option A.
In A-B-C analysis, which class of items are generally large in number?
A
B
C
none of these
✅ The correct answer is option C.
An economiser __________ the steam raising capacity of a boiler.
increases
decreases
has no effect on
✅ The correct answer is option A.
The gear train usually employed in clocks is a
simple gear train
reverted gear train
sun and planet gear
differential gear
✅ The correct answer is option B.
The coefficient of discharge for an external mouthpiece is
0.375
0.5
0.707
0.855
✅ The correct answer is option D.
The condition of refrigerant after leaving the compressor and before entering the condenser is superheated vapour.
Yes
No
✅ The correct answer is option A.
An error of 1% in measuring head over the apex of the notch (H) will produce an error of __________ in discharge over a triangular notch.
1%
1.50%
2%
2.50%
✅ The correct answer is option D.
The range of a projectile is maximum, when the angle of projection is
30°
45°
60°
90°
✅ The correct answer is option B.