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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 11
31.
An universal coupling is a type of __________ coupling.
rigid
flexible
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
When a bolt is subjected to an external load, the stress induced in the bolt will be
tensile stress
shear stress
combined tensile and shear stress
any one of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio
increases
decreases
remains unchanged
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The included angle for the British standard whitworth thread is
29°
47.5°
55°
60°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Failure of a material is called fatigue when it fails
at the elastic limit
below the elastic limit
at the yield point
below the yield point
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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