Exercise: Machine Design

Questions for: Machine Design

Which one of the following is a positive drive?
A:
Crossed flat belt drive
B:
Rope drive
C:
V-belt drive
D:
Chain drive
Answer: D
No answer description is available. Let's discuss.
The dedendum circle diameter is equal to (where φ = Pressure angle)
A:
pitch circle diameter x cos φ
B:
addendum circle diameter x cos φ
C:
clearance circle diameter x cos φ
D:
pitch circle diameter x sin φ
Answer: A
No answer description is available. Let's discuss.
A shaft is a rotating machine element.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
No answer description is available. Let's discuss.
The stress in the threaded part of the bolt will be __________ as compared to the shank.
A:
same
B:
higher
C:
lower
D:
Answer: B
No answer description is available. Let's discuss.
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be
A:
4
B:
6
C:
8
D:
10
Answer: C
No answer description is available. Let's discuss.
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