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Machine Design

Machine Design
Which of the following material has the maximum ductility?

Zinc
Aluminium
Mild steel
Copper

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Machine Design
According to Indian standard specifications, plain carbon steel designated by 40C8 contains carbon

None of these
0.20 to 0.40%
0.35 to 0.45%
0.40 to 0.60%

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Machine Design
For high speed engines, the cam follower should move with

Cycloidal motion
Uniform acceleration and retardation
Simple harmonic motion
Uniform velocity

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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)

2 d
4 d
5 d
3 d

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Machine Design
A locking device extensively used in automobile industry is a

Ring nut
Castle nut
Sawn nut
Jam nut

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Machine Design
In the levers of __________ type, the mechanical advantage is less than one.

None of these
Third
First
Second

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