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Machine Design

Machine Design
A single strap butt joint is always in __________ shear.

Single
Double
None of these
Triple share

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

Leather
Rubber
Balata gum
Canvas or cotton duck

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Machine Design
In helical bevel gearing, the axes of shafts are __________ and the teeth are curved.

Intersecting and non-parallel
None of these
Intersecting
Non-intersecting and non-parallel

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Machine Design
According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet by

0.5 mm up to rivet diameter of 24 mm
2 mm for rivet diameter from 39 mm to 48 mm
All of these
1 mm for rivet diameter from 27 mm to 36 mm

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Machine Design
The fatigue life of a part can be improved by

Coating
Polishing
Electroplating
Shot peening

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Machine Design
A localized compressive stress at the area of contact between two members is known as

Bearing stress
Bending stress
Shear stress
Tensile stress

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