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Machine Design

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

360°
180°
120°
270°

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Machine Design
The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)

0.5 d
d
0.8 d
1.2 d

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

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

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Machine Design
Tensile strength of a mild steel specimen can be roughly predicted from following hardness test

None of these
Brinell
Rockwell
Vickers

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Machine Design
In a journal bearing, the load on the bearing is __________ to the axis of the journal.

Both A and B
None of these
Perpendicular
Parallel

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Machine Design
Buttress threads are usually found on

Screw cutting lathes
Railway carriage couplings
Feed mechanisms
Spindles of bench vices

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