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Machine Design

Machine Design
A single strap butt joint is always in __________ shear.

Double
None of these
Triple share
Single

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Machine Design
The ratio of pitch circle diameter in millimeters to the number of teeth, is called

Diametral pitch
Circular pitch
None of these
Module

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Machine Design
A flange coupling is used to connect two shafts

Which are not in exact alignment
Which are perfectly aligned
Have lateral misalignment
Whose axes intersect at a small angle

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

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

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Machine Design
If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation

138 d
151 d
124 d
168 d

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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.

None of these
Greater than
Less than
Equal to

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