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 compression

3.6 N/mm² tension

7.2 N/mm² tension

3.6 N/mm² compression

7.2 N/mm² compression

3.6 N/mm² tension

7.2 N/mm² tension

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Machine Design
In a butt welded joint, the size of weld is __________ the throat of weld.

Equal to

2 times

0.5 times

Double

Equal to

2 times

0.5 times

Double

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Machine Design
When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring)

(WD/ πd3) × K

(2WD/ πd3) × K

(4WD/ πd3) × K

(8WD/ πd3) × K

(WD/ πd3) × K

(2WD/ πd3) × K

(4WD/ πd3) × K

(8WD/ πd3) × K

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Machine Design
The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

More than

Less than

Equal to

None of these

More than

Less than

Equal to

None of these

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Machine Design
Stress concentration is caused due to

Abrupt change of section

Pitting at points or areas at which loads on a member are applied

Variation in properties of material from point to point in a member

All of these

Abrupt change of section

Pitting at points or areas at which loads on a member are applied

Variation in properties of material from point to point in a member

All of these

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Machine Design
In a journal bearing, the load on the bearing is __________ to the axis of the journal.

None of these

Parallel

Both A and B

Perpendicular

None of these

Parallel

Both A and B

Perpendicular

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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 a butt welded joint, the size of weld is __________ the throat of weld.

Machine Design The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

Machine Design Stress concentration is caused due to

Machine Design In a journal bearing, the load on the bearing is __________ to the axis of the journal.

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 a butt welded joint, the size of weld is __________ the throat of weld.

Machine Design
The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

Machine Design
Stress concentration is caused due to

Machine Design
In a journal bearing, the load on the bearing is __________ to the axis of the journal.