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MACHINE DESIGN

Machine Design
The ball bearings are, usually, made from

Medium carbon steel
High speed steel
Low carbon steel
High 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.

Parallel
Rectangular
None of these
Square

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

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

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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

Middle
Shank
Thread
Head

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Machine Design
A shaft coupling should

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

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