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 compression

3.6 N/mm² tension

7.2 N/mm² compression

7.2 N/mm² tension

3.6 N/mm² compression

3.6 N/mm² tension

7.2 N/mm² compression

7.2 N/mm² tension

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Machine Design
A leaf spring in automobiles is used

To store strain energy

To absorb shocks

To apply forces

To measure forces

To store strain energy

To absorb shocks

To apply forces

To measure forces

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Machine Design
When the speed of belt increases,

The power transmitted will increase

The power transmitted will decrease

The coefficient of friction between the belt and pulley decreases

The coefficient of friction between the belt and pulley increases

The power transmitted will increase

The power transmitted will decrease

The coefficient of friction between the belt and pulley decreases

The coefficient of friction between the belt and pulley increases

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Machine Design
Which of the following material has the maximum ductility?

Zinc

Mild steel

Aluminium

Copper

Zinc

Mild steel

Aluminium

Copper

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Machine Design
A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be

τ/2

4 τ

2 τ

τ

τ/2

4 τ

2 τ

τ

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Machine Design
The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to

4 T

T/2

1 T

2 T

4 T

T/2

1 T

2 T

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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 A leaf spring in automobiles is used

Machine Design When the speed of belt increases,

Machine Design Which of the following material has the maximum ductility?

Machine Design The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to

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
A leaf spring in automobiles is used

Machine Design
When the speed of belt increases,

Machine Design
Which of the following material has the maximum ductility?

Machine Design
The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to