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MACHINE DESIGN

Machine Design
The ball bearings are, usually, made from

High speed steel
Medium carbon steel
High carbon steel
Low carbon steel

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Machine Design
When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used.

Square
None of these
Rectangular
Parallel

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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
All the three characteristics
Major axis in plane of rotation

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Machine Design
When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the

Head
Shank
Thread
Middle

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Machine Design
A shaft coupling should

Hold the shafts in perfect alignment
Transmit full power of the shaft
Be easy to connect or disconnect
All of these

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