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Machine Design

Machine Design
In Vickers hardness testing, the pyramid indentor apex is

40°
122°
152°
136°

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Machine Design
The design of shafts made of brittle materials is based on

St Venant's theory
Rankine's theory
Guest's theory
Von Mises theory

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Machine Design
Aircraft body is usually fabricated by

Casting
Welding
Pre-casting
Riveting

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Machine Design
A locking device extensively used in automobile industry is a

Castle nut
Ring nut
Sawn nut
Jam nut

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Machine Design
The centre to centre distance between two consecutive rivets in a row, is called

Pitch
Diagonal pitch
Back pitch
Margin

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

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

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