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Machine Design

Machine Design
Belt slip may occur due to

Heavy load
Driving pulley too small
All of these
Loose belt

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Machine Design
A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called

Castle nut
Jam nut
Sawn nut
Ring nut

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Machine Design
The shock resistance of steel is increased by adding

Cobalt and molybdenum
Nickel and chromium
Chromium
Nickel

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Machine Design
For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is

1/cosθ
1/sinθ
sinθ cosθ
1/tanθ

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Machine Design
The sleeve or muff coupling is designed as a

Thick cylinder
Dun cylinder
Hollow shaft
Solid shaft

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Machine Design
An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'.

One-fourth
Double
One-half
One-eighth

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