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

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

3.6 N/mm² tension

7.2 N/mm² compression

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Machine Design
The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.

Double

Three times

Four times

Same

Double

Three times

Four times

Same

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Machine Design
Tapered roller bearings can take

Both radial and axial loads and the ratio of these being less than unity

Both radial and axial loads and the ratio of these being greater than unity

Axial load only

Radial load only

Both radial and axial loads and the ratio of these being less than unity

Both radial and axial loads and the ratio of these being greater than unity

Axial load only

Radial load only

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Machine Design
In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways.

135°

160°

180°

90°

135°

160°

180°

90°

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Machine Design
According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter of rivet hole (d) is obtained by

Equating tearing resistance of the plate to the crushing resistance of the rivets

Equating tearing resistance of the plate to the shearing resistance of the rivets

None of these

Equating shearing resistance to the crushing resistance of the rivets

Equating tearing resistance of the plate to the crushing resistance of the rivets

Equating tearing resistance of the plate to the shearing resistance of the rivets

None of these

Equating shearing resistance to the crushing resistance of the rivets

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Machine Design
In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear.

None of these

Both A and B

Right hand

Left hand

None of these

Both A and B

Right hand

Left hand

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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 The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.

Machine Design Tapered roller bearings can take

Machine Design In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways.

Machine Design According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter of rivet hole (d) is obtained by

Machine Design In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear.

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
The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.

Machine Design
Tapered roller bearings can take

Machine Design
In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways.

Machine Design
According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter of rivet hole (d) is obtained by

Machine Design
In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear.