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Machine Design

Machine Design
The material generally used for aircraft components is

Stainless steel
Mild steel
Aluminium
High speed steel

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Machine Design
Rankine's theory is used for

Brittle materials
Ductile materials
Plastic materials
Elastic materials

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Machine Design
The arms of the pulleys for flat belt drive have

Elliptical cross-section
Major axis twice the minor axis
Major axis in plane of rotation
All the three characteristics

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Machine Design
The expression 0.175 - 0.841/T is the Lewis form factor for

20° full depth involute system
14½° composite and full depth involute system
None of these
20° stub system

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Machine Design
A steel containing _________ 0.8% carbon is known as hypo-eutectoid steel.

None of these
Less than
Greater than
Equal to

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Machine Design
The dynamic tooth load is due to

Irregularities in tooth profiles
Deflections of teeth under load
All of these
Inaccuracies of tooth spacing

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