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Machine Design

Machine Design
A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material.

Greater
Medium
None of these
Smaller

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Machine Design
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)

4 d
5 d
3 d
2 d

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Machine Design
The width of the pulley should be __________ width of the belt.

Greater than
Equal to
Less than
None of these

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Machine Design
The cross-section of the arm of a bell crank lever is

Any one of these
Rectangular
I-section
Elliptical

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Machine Design
The strength of the unriveted plate (P) per pitch length is equal to

p.t.σt
(p - d) σt
p.d.σt
(p - d) t.σt

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Machine Design
The groove angle of the pulley for rope drive is usually

45°
35°
60°
20°

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