Mechanical Engineering - Machine Design - Discussion

Discussion Forum : Machine Design - Section 1 (Q.No. 8)
8.
A screw is said to be over hauling screw, if its efficiency is
less than 50%
more than 50%
equal to 50%
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
13 comments Page 2 of 2.

Pratik said:   1 decade ago
Overhauling means motion of body without any load.

Avinash said:   1 decade ago
Overhauling screw is a screw which has negative torque means (friction angle > lead angle).

No relation with efficiency.

Uday cheryala said:   1 decade ago
Efficiency of a self locking screw is 50%, for efficiency greater than 50% the screw is said to be overhauling screw.


Post your comments here:

Your comments will be displayed after verification.