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Machine Design

Machine Design
Ball bearing type screws are found in following application

Aeroplane engines
Crane
Screw jack
Steering mechanism

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Machine Design
A rivet is specified by

Shank diameter
Length of rivet
Type of head
Length of tail

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Machine Design
The stress in the threaded part of the bolt will be __________ as compared to the shank.

Higher
None of these
Same
Lower

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Machine Design
Deep groove ball bearings are used for

Small angular displacement of shafts
Radial load at high speed
Combined thrust and radial loads at high speed
Heavy thrust load only

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Machine Design
A column is known as a long column if the slenderness ratio is

40
100
50
70

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Machine Design
Brittle coating technique is used for

Protecting metal against wear and tear
Experimental stress analysis
Protecting metal against corrosion
Determining brittleness

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