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Machine Design

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

1.06
1.12
1.58
1.26

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Machine Design
The size of a cam depends upon

Pitch curve
Base circle
Prime circle
Pitch circle

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Machine Design
In cyclic loading, stress concentration is more serious in

Elastic materials
Brittle as well as ductile materials
Brittle materials
Ductile materials

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Machine Design
In a flat belt drive, if the slip between the driver and belt is 1 %, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be

0.99
0.97
0.98
0.96

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Machine Design
The expression 0.175 - 0.841/T is the Lewis form factor for

None of these
20° full depth involute system
20° stub system
14½° composite and full depth involute system

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Machine Design
In a marine flange coupling, the pitch circle diameter of bolts is taken as

1.2 d
2 d
1.6 d
2.5 d

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