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Machine Design

Machine Design
The groove angle of pulleys for V-belt is

340 to 360
More than 400
300 to 320
420 to 450

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Machine Design
The number of slots in a 25 mm castle nut is

2
4
6
8

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Machine Design
Auto frettage is the method of

Increasing the life of thick cylinders
Calculating stresses in thick cylinders
Pre-stressing thick cylinders
Joining thick cylinders

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

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

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Machine Design
Which of the following screw thread is adopted for power transmission in either direction?

Buttress threads
Multiple threads
Acme threads
Square threads

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

Uniform velocity
Cycloidal motion
Uniform acceleration and retardation
Simple harmonic motion

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