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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°
270°
120°
180°

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Machine Design
A double fillet welded joint with parallel fillet weld of length 'l' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by

P/2.s.l
2P/s.l
√2P/s.l
P/√2.s.l

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Machine Design
The endurance limit of a material with finished surface in comparison to rough surface is

More
More or less depending on quantum of load
Less
Same

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Machine Design
In a multiple V-belt drive, if one of the belts break, then

The broken belt and the belt on either side of it, is replaced
The entire set of belts is replaced
The broken belt need not to be replaced
Only the broken belt is replaced

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Machine Design
Basic hole is one

Whose lower deviation is zero
Does not exist
Whose lower as well as upper deviations are zero
Whose upper deviation is zero

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Machine Design
A transmission shaft includes

Over head shaft
Counter shaft
All of these
Line shaft

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MORE MCQ ON Machine Design

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