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Machine Design

Machine Design
The suitable material for belt in agricultural machinery is

Rubber
Leather
Balata gum
Cotton duck

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

Long
Both A and B
Short
None of these

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Machine Design
The number of slots in a 25 mm castle nut is

8
4
2
6

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Machine Design
The application of third type levers is found in

A pair of tongs
Lever of a loaded safety valve
Handle of a hand pump
Hand wheel of a punching press

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Machine Design
In cyclic loading, stress concentration is more serious in

Elastic materials
Brittle materials
Brittle as well as ductile materials
Ductile materials

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Machine Design
In order to obtain bolt of uniform strength

Increase shank diameter
Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread
Increase its length
Tighten die bolt properly

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