saturated liquid
wet vapour
dry saturated vapour
superheated vapour
✅ The correct answer is option D.
Mechanical Engineering MCQs
If the diameter of pressure vessel is 15 times the wall thickness, the vessel is said to be a thick shell.
Agree
Disagree
✅ The correct answer is option A.
The magnitude of linear velocity of a point B on a link AB relative to point A is (where ω = Angular velocity of the link AB)
ω x AB
ω (AB)2
ω2 x AB
(ω x AB)2
✅ The correct answer is option A.
A circular shaft fixed at, A has diameter D for half of its length and diameter D/2 over the other half, as shown in the below figure. If the rotation of B relative to A is 0.1 radian, the rotation of C relative to B will be
0.4 radian
0.8 radian
1.6 radian
3.2 radian
✅ The correct answer is option C.
The air is delivered __________ in one revolution in case of a three-lobbed rotor.
two times
three times
four times
six times
✅ The correct answer is option D.
The brake power is the power available
in the engine cylinder
at the crank shaft
at the crank pin
none of these
✅ The correct answer is option B.
In a Tandem type compound engine, the high pressure and low pressure cylinders
have common piston rod
are set at 90°
have separate piston rods
are set in V – arrange
✅ The correct answer is option A.
A drill mainly used in drilling brass, copper or softer materials, is
flat drill
straight fluted drill
parallel shank twist drill
tapered shank twist dr
✅ The correct answer is option B.
The fatigue limit of a material is greatly decreased by poor surface conditions.
Agree
Disagree
✅ The correct answer is option A.
In a Proell governor, the balls are attached to the extension of lower links.
TRUE
FALSE
✅ The correct answer is option A.