Exercise: Machine Design

Questions for: Machine Design

The process extensively used for making bolts and nuts is
A:
hot piercing
B:
extrusion
C:
cold peening
D:
cold heading
Answer: D
No answer description is available. Let's discuss.
The included angle for the acme thread is 29°.
A:
True
B:
False
C:
D:
Answer: A
No answer description is available. Let's discuss.
In cylindrical cams, the follower moves
A:
in a direction perpendicular to the cam axis
B:
in a direction parallel to the cam axis
C:
in any direction irrespective of cam axis
D:
along the cam axis
Answer: B
No answer description is available. Let's discuss.
If the centre distance of the mating gears having involute teeth is increased, then the pressure angle
A:
increases
B:
decreases
C:
remains unchanged
D:
Answer: A
No answer description is available. Let's discuss.
Two concentric helical springs used to provide greater spring force are wound is opposite direction.
A:
True
B:
False
C:
D:
Answer: A
No answer description is available. Let's discuss.
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