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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 5
46.
The velocity factor for precision metallic gears cut with high accuracy and operating at velocities upto 20 m/s is equal to
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
In a bolt, the plane of shear should be across the threaded portion of the shank.
Correct
Incorrect
Answer: Option
Explanation:
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48.
When a metal or alloy is cold worked,
its hardness and strength increases
it is worked below recrystallisation temperature
Both (A) and (B)
None of these
Answer: Option
Explanation:
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49.
A leaf spring in automobiles is used
to apply forces
to measure forces
to absorb shocks
to store strain energy
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
According to I.B.R., the factor of safety of riveted joint should not be less than
1
2
3
4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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