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Machine Design

Machine Design
The following type of nut is used with alien bolt

Slotted nut
Any one of the above
Castle nut
Hexagonal nut

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Machine Design
The dedendum circle diameter is equal to (where φ = Pressure angle)

Pitch circle diameter × cosφ
Clearance circle diameter × cosφ
Addendum circle diameter × cosφ
Pitch circle diameter × sinφ

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Machine Design
A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as,

None of these
Hollow key
Soft key
Hollow saddle key

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Machine Design
When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of loads

Tension
Shear
Combined loads
Compression

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Machine Design
The static tooth load should be __________ the dynamic load.

Equal to
None of these
Less than
Greater than

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Machine Design
In second type of levers,

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

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