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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 3
31.
When two helical springs of equal lengths are arranged to form a cluster spring, then
shear stress in each spring will be equal
load taken by each spring will be half the total load
all of the above
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be
4
6
8
10
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
The stress in the threaded part of the bolt will be __________ as compared to the shank.
same
higher
lower
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
A shaft is a rotating machine element.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
The dedendum circle diameter is equal to (where φ = Pressure angle)
pitch circle diameter x cos φ
addendum circle diameter x cos φ
clearance circle diameter x cos φ
pitch circle diameter x sin φ
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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