Mechanical Engineering - Machine Design

41.
Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be
2
4
8
16
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
Wahl's stress factor __________ very rapidly as the spring index decreases.
increases
decreases
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
For circumferential joint in boilers, the type of joint used is
butt joint with single cover plate
butt joint with double cover plate
lap joint with one ring overlapping the other
any one of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
In cyclic loading, stress concentration is more serious in
brittle materials
ductile materials
brittle as well as ductile materials
elastic materials
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
For a square key made of mild steel, the shear and crushing strength are related as
shear strength is equal to crushing strength
shear strength is greater than crushing strength
shear strength is less than crushing strength
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.