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Machine Design

Machine Design
Guest's theory is used for

Plastic materials
Brittle materials
Ductile materials
Elastic materials

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

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

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Machine Design
The property of a bearing material which has the ability to accommodate small particles of dust, grit etc. without scoring the material of the journal, is called

Fatigue strength
Comformability
Bondability
Embeddability

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Machine Design
If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as

b/2L
1 - (b/L)
1 - 2 b.L
b/L

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Machine Design
In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to

Reduce vibration
Ensure uniform loading
Reduce slip
Ensure proper alignment

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Machine Design
The cam follower extensively used in aircraft engines is

Roller follower
Spherical faced follower
Flat faced follower
Knife edge follower

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