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Machine Design

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

Rubber
Leather
Balata gum
Canvas or cotton duck

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Machine Design
A double fillet welded joint with parallel fillet weld of length 'l' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by

P/√2.s.l
√2P/s.l
P/2.s.l
2P/s.l

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Machine Design
The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for

Ease of manufacture
Reducing stress concentration
Fullering and caulking
Safety

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Machine Design
The velocity of sliding __________ the distance of the point of contact from the pitch point.

Does not depend upon
Is equal to cos φ multiplied by
Is inversely proportional to
Is directly proportional to

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Machine Design
In leaf springs, the longest leaf is known as

Lower leaf
Upper leaf
None of these
Master leaf

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Machine Design
When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus.

20 times
15 times
10 times
5 times

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