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Machine Design

Machine Design
Which is positive drive?

Flat belt drive
Timing belt
V belt drive
Crossed belt drive

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Machine Design
For low and moderate speed engines, the cam follower should move with

Uniform velocity
Uniform acceleration and retardation
Simple harmonic motion
Cycloidal motion

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Machine Design
The function of the washer is to

Fill up the axial gap
Provide bearing area
Absorb shocks and vibrations
Provide cushioning effect

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Machine Design
The dedendum circle diameter is equal to (where φ = Pressure angle)

Clearance circle diameter × cosφ
Addendum circle diameter × cosφ
Pitch circle diameter × sinφ
Pitch circle diameter × cosφ

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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/sinθ
sinθ cosθ
1/cosθ
1/tanθ

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Machine Design
Taper usually provided on cotter is

1 in 5
1 in 24
1 in 10
1 in 40

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MORE MCQ ON Machine Design

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