Correct
Incorrect
✅ The correct answer is option A.
Mechanical Engineering MCQs
Cast iron is a ductile material.
Correct
Incorrect
✅ The correct answer is option B.
The factor of evaporation for all boilers is always
equal to unity
less than unity
greater than unity
✅ The correct answer is option C.
When a gear box has four forward speeds and one reverse speed, it is said to be a
3-speed gear box
4-speed gear box
5-speed gear box
6-speed gear box
✅ The correct answer is option B.
For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
10 m/min
15 m/min
22 m/min
30 m/min
✅ The correct answer is option C.
F. W. Taylor introduced a system of organisation known as
line organisation
functional organisation
line and staff organisation
line, staff and functi
✅ The correct answer is option B.
The cut-off ratio is the reciprocal of expansion ratio,
Correct
Incorrect
✅ The correct answer is option A.
The angle which the normal reaction makes with the resultant reaction is called angle of friction.
Agree
Disagree
✅ The correct answer is option A.
A load which acts at a point on a beam is not called uniformly distributed load.
Agree
Disagree
✅ The correct answer is option A.
Which one of the following is a positive drive?
Crossed flat belt drive
Rope drive
V-belt drive
Chain drive
✅ The correct answer is option D.