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Machine Design

Machine Design
Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be

16
8
4
2

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Machine Design
The size of a gear is usually specified by

Pressure angle
Diametral pitch
Pitch circle diameter
Circular pitch

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Machine Design
The taper on cotter varies from

1 in 15 to 1 in 10
1 in 32 to 1 in 24
1 in 24 to 1 in 20
1 in 48 to 1 in 24

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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.

Equal to
Greater than
None of these
Less than

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Machine Design
In leaf springs, the longest leaf is known as

Upper leaf
Master leaf
Lower leaf
None of these

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

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

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