TRUE
FALSE
✅ The correct answer is option A.
Mechanical Engineering MCQs
A quarter turn belt drive is used when the shafts are arranged at right angles and rotate in one definite direction.
Yes
No
✅ The correct answer is option A.
The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece)
0.855 a2gH
1.855 aH2g
1.585 a2gH
5.85 aH2g
✅ The correct answer is option A.
The welding process used to join the ends of two pipes of uniform cross-section, is
spot welding
seam welding
projection welding
upset butt welding
✅ The correct answer is option D.
In the manufacturing of lead shots, the property of surface tension is utilised.
Agree
Disagree
✅ The correct answer is option A.
The missing quantity is mainly due to cylinder condensation and a small amount of steam leakage past the valves and piston.
Agree
Disagree
✅ The correct answer is option A.
The cutting speed for drilling aluminium, brass and bronze with carbon steel drills is __________ cutting speed for drilling mild steel with high speed steel drills.
equal to
less than
more than
✅ The correct answer is option A.
The type of layout used for manufacturing steam turbines, is
product layout
process layout
fixed position layout
any one of these
✅ The correct answer is option C.
The taper on a rectangular sunk key is
1 in 16
1 in 32
1 in 48
1 in 100
✅ The correct answer is option D.
In oblique cutting system, the tool may or may not generate a surface parallel to the workface.
Yes
No
✅ The correct answer is option A.