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Machine Design

Machine Design
A saddle key __________ power through frictional resistance only.

Does not transmit
Transmits
Either A or B
None of these

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Machine Design
When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be

3W/A
W/A
W/2A
2W/A

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Machine Design
The cam follower generally used in automobile engines is

Spherical faced follower
Flat faced follower
Roller follower
Knife edge follower

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Machine Design
The dynamic tooth load is due to

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

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Machine Design
In testing a material for endurance strength, it is subjected to

Static load
Dynamic load
Impact load
Completely reversed load

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Machine Design
When two helical springs of equal lengths are arranged to form a cluster spring, then

Both A and B is correct
Only A is correct
Shear stress in each spring will be equal
Load taken by each spring will be half the total load

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