A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is

Machine Design
A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is

3.6 N/mm² tension

7.2 N/mm² compression

3.6 N/mm² compression

7.2 N/mm² tension

3.6 N/mm² tension

7.2 N/mm² compression

3.6 N/mm² compression

7.2 N/mm² tension

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Machine Design
In most machine members, the damping capacity of the material should be

Zero

High

Low

Could be anything

Zero

High

Low

Could be anything

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Machine Design
The steel pulleys are __________ in weight than cast iron pulleys of the same capacity.

None of these

Heavier

Moderate

Lighter

None of these

Heavier

Moderate

Lighter

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Machine Design
Shear stress theory is applicable for

Ductile materials

All of these

Brittle materials

Elastic materials

Ductile materials

All of these

Brittle materials

Elastic materials

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Machine Design
The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils)

Gd3/ 8D3n

Gd⁴/ 4D3n

Gd⁴/ 8D²n

Gd⁴/ 8D3n

Gd3/ 8D3n

Gd⁴/ 4D3n

Gd⁴/ 8D²n

Gd⁴/ 8D3n

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Machine Design
A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called

Castle nut

Ring nut

Jam nut

Sawn nut

Castle nut

Ring nut

Jam nut

Sawn nut

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Machine Design

Machine Design A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is

Machine Design In most machine members, the damping capacity of the material should be

Machine Design The steel pulleys are __________ in weight than cast iron pulleys of the same capacity.

Machine Design Shear stress theory is applicable for

Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils)

Machine Design A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called

Machine Design
A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is

Machine Design
In most machine members, the damping capacity of the material should be

Machine Design
The steel pulleys are __________ in weight than cast iron pulleys of the same capacity.

Machine Design
Shear stress theory is applicable for

Machine Design
The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils)

Machine Design
A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called