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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 8
46.
The contact ratio for gears is
zero
less than one
greater than one
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
A feather key is generally
loose in shaft and tight in hub
tight in shaft and loose in hub
tight in both shaft and hub
loose in both shaft and hub
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
If the tearing efficiency of a riveted joint is 50%, then the ratio of diameter of rivet to the pitch is
0.20
0.30
0.50
0.70
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
The ratio of circumferential stress to longitudinal stress in a thin cylinder subjected to an internal pressure is
1/2
1
2
4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
A riveted joint is a __________ fastening.
permanent
temporary
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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