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Machine Design

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

1.06
1.26
1.58
1.12

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Machine Design
The arms of the pulleys for flat belt drive have

Elliptical cross-section
Major axis twice the minor axis
Major axis in plane of rotation
All the three characteristics

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

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Machine Design
The ratio of pitch circle diameter in millimeters to the number of teeth, is called

None of these
Diametral pitch
Circular pitch
Module

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Machine Design
If the centre distance of the mating gears having involute teeth is increased, then the pressure angle

Decreases
Increases
None of these
Remains unchanged

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

Co-axial
None of these
Perpendicular
Parallel

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