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Machine Design

Machine Design
In a transverse fillet welded joint, the size of weld is __________ the throat of weld.

2 times
Equal to
0.5 times
Double

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Machine Design
A steel containing 0.8% carbon is known as

Hypereutectoid steel
None of these
Hypo-eutectoid steel
Eutectoid steel

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Machine Design
Basic shaft is one

Whose lower deviation is zero
Does not exist
Whose upper deviation is zero
Whose lower as well as upper deviations are zero

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Machine Design
When the screw in a mechanical screw jack rotates, the load kept on the top of it moves

Axially upwards or downwards
None of these
Axially downwards
Axially upwards

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Machine Design
The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket)

p = D sin (360°/T)
p = D sin (90°/T)
p = D sin (180°/T)
p = D sin (120°/T)

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Machine Design
The centrifugal tension in the belt

Has no effect on the power transmitted
Decreases the power transmitted
Is equal to maximum tension on the belt
Increases the power transmitted

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