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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 9
46.
When percentage of carbon in steel is increased, the ductility of steel decreases.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
The shock absorbing capacity of a bolt may be increased by
increasing its shank diameter
decreasing its shank diameter
tightening the bolt properly
making the shank diameter equal to core diameter of thread
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
A lap joint is always in single shear.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as
b/L
b/2 L
1 - 2 b.L
1 - b/L
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
The design calculations for members subject to fluctuating loads with the same factor of safety, yield the most conservative estimates when using
Gerber relation
Soderberg relation
Good man relation
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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