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Machine Design

Machine Design
A locking device extensively used in automobile industry is a

Sawn nut
Castle nut
Jam nut
Ring nut

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Machine Design
In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear.

Right hand
None of these
Left hand
Both A and B

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Machine Design
If a bearing is designated by the number 305, it means that the bearing is of

Light series whose bore is 5 mm
Medium series whose bore is 25 mm
Light series whose bore is 25 mm
Medium series whose bore is 5 mm

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Machine Design
The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is

1 micron
10 microns
0.1 micron
0.01 micron

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Machine Design
The resilience of a bolt may be increased by

Increasing its shank diameter
Increasing its length
Decreasing its shank diameter
Decreasing its length

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Machine Design
A crankshaft is a __________ shaft.

None of these
Transmission
Machine
Machine frame

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