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Machine Design

Machine Design
The draw of cotter need not exceed

3 mm
10 mm
20 mm
5 mm

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Machine Design
Brittle coating technique is used for

Experimental stress analysis
Protecting metal against corrosion
Protecting metal against wear and tear
Determining brittleness

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Machine Design
The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v).

10 m/s
15 m/s
20 m/s
12.5 m/s

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Machine Design
Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth)

0.154 - (0.912/T)
0.175 - (0.841/T)
0.124 - (0.684/T)
None of these

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Machine Design
Allen bolts are

Used in aircraft application
Provided with hexagonal depression in head
Designed for shock load
Self locking bolts

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Machine Design
In thrust bearings, the load acts

Perpendicular to the axis of rotation
In any direction
Parallel to the axis of rotation
Along the axis of rotation

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