Yes
No
✅ The correct answer is option A.
Engineering MCQs
When a thin cylindrical shell is subjected to an internal pressure, there will be
a decrease in diameter and length of the shell
an increase in diameter and decrease in length of the shell
a decrease in diameter and increase in length of the shell
an increase in diamete
✅ The correct answer is option D.
In an axial flow reaction turbine, the water flows __________ to the axis of the wheel.
parallel
perpendicular
✅ The correct answer is option A.
According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be
45 to 60%
63 to 70%
70 to 83%
80 to 90%
✅ The correct answer is option D.
A rotor supported at A and B carries two masses as shown in the below figure. The rotor is
dynamically balanced
statically balanced
statically and dynamically balanced
not balanced
✅ The correct answer is option C.
The mechanical efficiency (ηm) of the engine is given by
none of these
✅ The correct answer is option A.
The working pressure range for a La-Mont boiler is
0.5 to 10 MN/m2
1 to 15 MN/m2
2.5 to 15 MN/m2
3.5 to 20 MN/m2
✅ The correct answer is option D.
Balancing of rotating and reciprocating parts of an engine is necessary when it runs at
slow speed
moderate speed
highs peed
any one of these
✅ The correct answer is option C.
R-12 has the __________ freezing point.
lowest
highest
✅ The correct answer is option A.
In a riveted joint, when the number of rivets decreases from the inner most row to outer most row, the joint is said to be
chain riveted
zig-zag riveted
diamond riveted
none of these
✅ The correct answer is option C.