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Machine Design

Machine Design
The constant factor in case of R10 series of preferred numbers is

1.06
1.12
1.58
1.26

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Machine Design
Which is positive drive?

Timing belt
Flat belt drive
Crossed belt drive
V belt drive

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Machine Design
The draw of cotter should not be more than

12 mm
6 mm
8 mm
3 mm

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Machine Design
The process extensively used for making bolts and nuts is

Cold heading
Hot piercing
Cold peening
Extrusion

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

Average
Any one of the above
Maximum
Nil or lightest

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Machine Design
In Vickers hardness testing, the pyramid indentor apex is

40°
136°
122°
152°

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