Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to

Machine Design
Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to

W/9

8W/9

2W/3

W/2

W/9

8W/9

2W/3

W/2

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Machine Design
In designing thick cylinders, the equation used is

All of these

Lame's equation

Clavarinos' equation

Birnie's equation

All of these

Lame's equation

Clavarinos' equation

Birnie's equation

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Machine Design
Which of the following pipe joints would be suitable for pipes carrying steam?

Flanged

Expansion

Bell and spigot

Threaded

Flanged

Expansion

Bell and spigot

Threaded

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Machine Design
In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because

Only one belt cannot be fitted with other used belts

Belts are available in sets

New and old belts will cause vibrations

The new belt will carry more than its share and result in short life

Only one belt cannot be fitted with other used belts

Belts are available in sets

New and old belts will cause vibrations

The new belt will carry more than its share and result in short life

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Machine Design
The property of a bearing material which has the ability to accommodate small particles of dust, grit etc. without scoring the material of the journal, is called

Fatigue strength

Comformability

Bondability

Embeddability

Fatigue strength

Comformability

Bondability

Embeddability

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Machine Design
A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing.

Fully

Either A or B

None of these

Partially

Fully

Either A or B

None of these

Partially

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Machine Design

Machine Design In designing thick cylinders, the equation used is

Machine Design Which of the following pipe joints would be suitable for pipes carrying steam?

Machine Design In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because

Machine Design The property of a bearing material which has the ability to accommodate small particles of dust, grit etc. without scoring the material of the journal, is called

Machine Design A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing.

Machine Design
In designing thick cylinders, the equation used is

Machine Design
Which of the following pipe joints would be suitable for pipes carrying steam?

Machine Design
In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because

Machine Design
The property of a bearing material which has the ability to accommodate small particles of dust, grit etc. without scoring the material of the journal, is called

Machine Design
A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing.