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Machine Design

Machine Design
Which one of the following is a positive drive?

Rope drive
V-belt drive
Chain drive
Crossed flat belt drive

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Machine Design
The strength of a riveted joint is equal to

Crushing strength of rivet (Pc)
Tearing strength of plate (Pt)
Shearing strength of rivet (Ps)
Least value of Pt Ps and Pc

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Machine Design
A spring is used to

Apply forces
Measure forces
Store energy
All of these

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Machine Design
A tube has the following advantage over pipe

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

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Machine Design
The centre distance between two meshing involute gears is equal to

Sum of pitch circle radii/cosφ
Difference of pitch circle radii/cosφ
Difference of base circle radii/cosφ
Sum of base circle radii/cosφ

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Machine Design
The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force)

2 Pc
3 Pc
1 Pc
Pc/3

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