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Machine Design

Machine Design
The number of slots in a 25 mm castle nut is

2
8
4
6

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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
Allen bolts are

Designed for shock load
Used in aircraft application
Provided with hexagonal depression in head
Self locking bolts

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Machine Design
The tension on the slack side of the belt is __________ the tension on the tight side of the belt.

Less than
Equal to
None of these
Greater than

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Machine Design
In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)

2 d
1 d
2.5 d
1.5 d

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Machine Design
In order to withstand resistance to wear, the best profile of gear is

14½° full depth involute tooth
20° involute stub tooth
14½° stub tooth
20° full depth involute tooth

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