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Machine Design

Machine Design
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be

8
6
10
4

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Machine Design
When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a

Long bearing
Medium bearing
Short bearing
Square bearing

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Machine Design
Which of the following spring is used in mechanical wrist watch?

Torsion spring
Helical compression spring
Spiral spring
Belleville spring

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Machine Design
All stresses produced in a belt are

Compressive stresses
Both tensile and compressive stresses
Tensile stresses
Shear stresses

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Machine Design
A backing ring is used inside the pipe joint when making a

Socket weld
Fillet weld
Sleeve weld
Butt weld

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Machine Design
Auto frettage is the method of

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

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