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Machine Design

Machine Design
The suitable material for belt used in flour mill is

Balata gum
Canvas or cotton duck
Rubber
Leather

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Machine Design
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.

Four times
Twice
Three times
Equal to

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Machine Design
In a journal bearing, the load on the bearing is __________ to the axis of the journal.

Perpendicular
None of these
Both A and B
Parallel

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Machine Design
For high speed engines, the cam follower should move with

Simple harmonic motion
Cycloidal motion
Uniform acceleration and retardation
Uniform velocity

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Machine Design
Failure of a material is called fatigue when it fails

Below the yield point
At the yield point
Below the elastic limit
At the elastic limit

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Machine Design
The power transmitted by means of a belt depends upon

Tension under which the belt is placed on the pulleys
Arc of contact between the belt and the smaller pulley
Velocity of the belt
All of these

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