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Machine Design

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

5 d
4 d
3 d
2 d

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

p.d.σt
(p - d) t.σt
(p - d) σt
p.t.σt

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Machine Design
The dedendum is the radial distance from the

Addendum circle to the clearance circle
Pitch circle to the bottom of a tooth
Top of a tooth to the bottom of a tooth
Pitch circle to the top of a tooth

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Machine Design
A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is

1 kN-m
2 kN-m
3 kN-m
4 kN-m

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Machine Design
The design of pin of a rocker arm of an I.C. engine is based on

Bearing failure
Shearing failure
Bending failure
All of these

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Machine Design
Yield point in fatigue loading as compared to static loading is

Lower
Depends on other factors
Same
Higher

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