constant bending moment and constant shear force
constant shear force and zero bending moment
constant bending moment and zero shear force
none of the above
✅ The correct answer is option C.
Mechanical Engineering MCQs
The factor of safety is always more than unity.
Correct
Incorrect
✅ The correct answer is option A.
Delta-iron occurs between the temperature range of
400°C to 600°C
600°C to 900°C
900°C to 1400°C
1400°C to 1530°C
✅ The correct answer is option D.
The efficiency of the Carnot cycle may be increased by
increasing the highest temperature
decreasing the highest temperature
increasing the lowest temperature
keeping the lowest tem
✅ The correct answer is option A.
By compounding the expansion of steam in two or more cylinders, the length of stroke
does not change
increases
decreases
✅ The correct answer is option C.
If the depth of water in an open channel is greater than the critical depth, the flow is called
critical flow
turbulent flow
tranquil flow
torrential flow
✅ The correct answer is option C.
The periodic time (T) is given by(where ω = Angular velocity of particle in rad / s.)
ω/2π
2π/ω
2π x ω
π/ω
✅ The correct answer is option B.
When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be
0.8 d
1.2 d
1.57 d
1.8 d
✅ The correct answer is option C.
A flow through an expanding tube at increasing rate is called unsteady non-uniform flow.
Yes
No
✅ The correct answer is option A.
As the cutting speed increases, tool life decreases.
Yes
No
✅ The correct answer is option A.