Mechanical Engineering - Machine Design

31.
A spring of stiffness 1000 N/m is streteched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is
5 N-m
7 N-m
10 N-m
15 N-m
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
A feather key transmits a turning moment and permits axial movement also.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
The width of the pulley should be __________ width of the belt.
equal to
less than
greater than
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing.
thick film
thin film
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
The design of the pressure vessel is based on
longitudinal stress
hoop stress
longitudinal and hoop stress
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.