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Machine Design

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

Nominal size
Tolerance
Actual size
Basic size

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Machine Design
Basic hole is one

Whose lower as well as upper deviations are zero
Whose lower deviation is zero
Whose upper deviation is zero
Does not exist

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Machine Design
In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be

21
15
25
17

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Machine Design
For crank shaft bearings, the ratio of the length of the journal to its diameter is_________.

None of these
Greater than unity
Less than unity
Equal to 1

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Machine Design
The size of a gear is usually specified by

Circular pitch
Pressure angle
Diametral pitch
Pitch circle diameter

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Machine Design
A single strap butt joint is always in __________ shear.

Double
Single
None of these
Triple share

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