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Machine Design

Machine Design
The product of the diametral pitch and circular pitch is equal to

1/π
π × number of teeth
1
π

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Machine Design
When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be

0.8 d
1.8 d
1.57 d
1.2 d

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Machine Design
The size of a cam depends upon

Base circle
Pitch curve
Prime circle
Pitch circle

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Machine Design
The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for

Safety
Reducing stress concentration
Fullering and caulking
Ease of manufacture

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Machine Design
Fabric belts are used in industrial applications because

They are cheap
They can work at high temperature
They are unaffected by moisture and humidity
None of these

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Machine Design
A chain drive transmits __________ power as compared to belt drive.

Same
Less
More
None of these

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