Mechanical Engineering - Machine Design

36.
Which one of the following is a positive drive?
Crossed flat belt drive
Rope drive
V-belt drive
Chain drive
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
Two closely coiled helical springs with stiffnesses k1 and k2 respectively are connected in series. The stiffness of an equivalent spring is given by
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
The period during which the cam follower remains at rest, when cam moves, is known as
constant period
fixed period
dwell period
idle period
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
The flank of the tooth is the
surface of the top of the tooth
surface of the tooth above the pitch surface
surface of the tooth below the pitch surface
width of the tooth measured along the pitch circle
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
The included angle for the British Association thread is
29°
47.3°
55°
60°
Answer: Option
Explanation:
No answer description is available. Let's discuss.