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Machine Design

Machine Design
A cotter joint is used to connect two __________ rods.

Parallel
Co-axial
None of these
Perpendicular

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Machine Design
Brittle coating technique is used for

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

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Machine Design
In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called

Diametral pitch
Normal pitch
Axial pitch
Module

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Machine Design
When two non-intersecting and non-coplanar shafts are connected by gears, the arrangement is known as

Helical gearing
Spur gearing
Bevel gearing
Spiral gearing

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Machine Design
The ultimate strength of steel in tension in comparison to shear is in the ratio of

0.084027777777778
0.042361111111111
0.085416666666667
0.12638888888889

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Machine Design
A tube has the following advantage over pipe

Lighter and easier to handle
Smoother inside walls
Greater shock absorption
All of these

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