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Machine Design

Machine Design
Oil in journal bearing should be applied at the point where load is

Average
Any one of the above
Nil or lightest
Maximum

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Machine Design
In a partial journal bearing, the angle of contact of the bearing with the journal is

360°
270°
180°
120°

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Machine Design
In a flange coupling, the flanges are coupled together by means of

Bolts and nuts
Studs
Headless taper bolts
None of these

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Machine Design
A coupling used to connect two perfectly aligned shafts, is

Compression coupling
Muff coupling
Flange coupling
All of these

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Machine Design
The algebraic difference between the maximum limit and the basic size is called

Actual deviation
Mean deviation
Lower deviation
Upper deviation

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Machine Design
Residual stress in materials

Becomes zero when external load is removed
Is always harmful
Is independent of external loads
Acts when external load is applied

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