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Machine Design

Machine Design
The shock resistance of steel is increased by adding

Nickel
Nickel and chromium
Cobalt and molybdenum
Chromium

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Machine Design
The distribution of the forces along the length of key fitted in a shaft

Varies linearly
Varies exponentially, being more near the torque-input end
Varies exponentially, being less near the torque-input end
Is uniform throughout

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Machine Design
In radial bearings, the load acts __________ to the axis of rotation.

Perpendicular
Both A and B
None of these
Parallel

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Machine Design
The difference between the upper limit and lower limit of a dimension is called

Basic size
Tolerance
Actual size
Nominal size

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Machine Design
The objective of caulking in a riveted joint is to make the joint

Free from stress
Free from corrosion
Leak-proof
Stronger in tension

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Machine Design
When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as

Crown bevel gears
Angular bevel gears
Miter gears
Internal bevel gears

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