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Machine Design

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

Castle nut
Ring nut
Sawn nut
Jam nut

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Machine Design
A bench vice has following type of threads

Metric
Acme
Square
Buttress

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Machine Design
For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is

1/cosθ
1/sinθ
1/tanθ
sinθ cosθ

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Machine Design
The piston pin bearings in heavy duty diesel engines are

Cylindrical roller bearings
Spherical roller bearings
Needle roller bearings
Tapered roller bearings

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Machine Design
If two springs are in parallel then their overall stiffness will be

Double
Same
Half
None of these

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Machine Design
The cam follower extensively used in aircraft engines is

Spherical faced follower
Roller follower
Knife edge follower
Flat faced follower

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MORE MCQ ON Machine Design

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