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Machine Design

Machine Design
Fibrous fracture occurs in

Elastic material
Brittle material
Hard material
Ductile material

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

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Machine Design
In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft)

3.5 d
d + 17 mm
2d + 20 mm
2d + 13 mm

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Machine Design
The power transmitted by means of a belt depends upon

Velocity of the belt
Arc of contact between the belt and the smaller pulley
All of these
Tension under which the belt is placed on the pulleys

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Machine Design
A leaf spring in automobiles is used

To absorb shocks
To apply forces
To store strain energy
To measure forces

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Machine Design
The dedendum is the radial distance from the

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

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