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Machine Design

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

Rubber
Leather
Canvas or cotton duck
Balata gum

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Machine Design
The ratio of driving tensions in V-belt drives is __________ flat belt drives.

Equal to
sin α times more than
sin α times less than
cosec α times more than

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Machine Design
Crushing resistance required to crush the rivet per pitch length is

n.d.t.σc
p.d.σc
(p - d) t.σc
p.t.σc

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Machine Design
If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as

b/2L
b/L
1 - (b/L)
1 - 2 b.L

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Machine Design
The resultant axial load on a bolt depends upon

All of these
Relative elastic yielding of the bolt and the connected members
Initial tension due to tightening of the bolt
External load applied

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Machine Design
Stress concentration factor is defined as the ratio of

Nominal stress to the endurance limit
Nominal stress to the maximum stress
Maximum stress to the nominal stress
Maximum stress to the endurance limit

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