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Machine Design

Machine Design
The groove angle of pulleys for V-belt is

420 to 450
340 to 360
More than 400
300 to 320

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Machine Design
All stresses produced in a belt are

Shear stresses
Tensile stresses
Compressive stresses
Both tensile and compressive stresses

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Machine Design
In second type of levers,

Fulcrum is in between the load and effort
Effort is in between the fulcrum and load
None of these
Load is in between the fulcrum and effort

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Machine Design
The bearings of heavy series have capacity __________ over the medium series.

30 to 40%
10 to 20%
40 to 50%
20 to 30%

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Machine Design
For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is

sinθ cosθ
1/tanθ
1/cosθ
1/sinθ

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Machine Design
A double strap butt joint (with equal straps) is

Always in double shear
Always in single shear
Any one of these
Either in single shear or double shear

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