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Machine Design

Machine Design
The centre to centre distance between two consecutive rivets in a row, is called

Diagonal pitch
Pitch
Margin
Back pitch

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Machine Design
Taper usually provided on cotter is

1 in 5
1 in 40
1 in 10
1 in 24

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Machine Design
The taper on cotter varies from

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

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Machine Design
The velocity of sliding __________ the distance of the point of contact from the pitch point.

Is equal to cos φ multiplied by
Is inversely proportional to
Is directly proportional to
Does not depend upon

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Machine Design
The expansion joint is mostly used for pipes which carry steam at __________ pressures.

High
Medium
Low
None of these

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Machine Design
According to maximum normal stress theory, the maximum normal stress in the shaft is

(1/2) × [σ + √(σ² × 4τ²)]
(1/2) × √(σ² × 4τ²)
√(σ² × 4τ²)
σ + √(σ² × 4τ²)

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