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

7.2 N/mm² tension

3.6 N/mm² tension

3.6 N/mm² compression

7.2 N/mm² compression

7.2 N/mm² tension

3.6 N/mm² tension

3.6 N/mm² compression

7.2 N/mm² compression

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Machine Design
Belt slip may occur due to

All of these

Loose belt

Heavy load

Driving pulley too small

All of these

Loose belt

Heavy load

Driving pulley too small

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Machine Design
A bolt of M 24 × 2 means that

Cross-sectional area of the threads is 24 mm²

The effective diameter of bolt is 24 mm and there are 2 threads per cm

The nominal diameter of bolt is 24 mm and pitch is 2 mm

The pitch of the thread is 24 mm and depth is 2 mm

Cross-sectional area of the threads is 24 mm²

The effective diameter of bolt is 24 mm and there are 2 threads per cm

The nominal diameter of bolt is 24 mm and pitch is 2 mm

The pitch of the thread is 24 mm and depth is 2 mm

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Machine Design
When two springs are in series (having stiffness K), the equivalent stiffness will be

2K

K/2

K

K/4

2K

K/2

K

K/4

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Machine Design
For hardening alloy steels and high speed steels, they are heated to

1100 to 1300°C

500 to 600°C

700 to 900°C

1300 to 1500°C

1100 to 1300°C

500 to 600°C

700 to 900°C

1300 to 1500°C

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Machine Design
A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress)

σ [1 + (b/2a)]

σ [1 + (b/3a)]

σ [1 + (3a/b)]

σ [1 + (2a/b)]

σ [1 + (b/2a)]

σ [1 + (b/3a)]

σ [1 + (3a/b)]

σ [1 + (2a/b)]

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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 Belt slip may occur due to

Machine Design A bolt of M 24 × 2 means that

Machine Design When two springs are in series (having stiffness K), the equivalent stiffness will be

Machine Design For hardening alloy steels and high speed steels, they are heated 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
Belt slip may occur due to

Machine Design
A bolt of M 24 × 2 means that

Machine Design
When two springs are in series (having stiffness K), the equivalent stiffness will be

Machine Design
For hardening alloy steels and high speed steels, they are heated to