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Machine Design

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

Rubber
Canvas or cotton duck
Leather
Balata gum

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Machine Design
The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub)

d/8
d/4
d/6
d/2

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Machine Design
A pressure vessel is said to be a thick shell, if the ratio of wall thickness to its diameter is

Greater than 1/10
Less than 1/10
Equal to 1/10
None of these

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Machine Design
The V-belts are particularly suitable for __________ drives.

None of these
Short
Long
Both A and B

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

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

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Machine Design
The resultant axial load on a bolt depends on

External load applied
Initial tension
Relative elastic yielding (springness) of the bolt and the connected member
All of these

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