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Machine Design

Machine Design
The railway carriage couplings have

Knuckle threads
Buttress threads
Acme threads
Square threads

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Machine Design
In the levers of __________ type, the mechanical advantage is less than one.

Second
First
Third
None of these

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Machine Design
The resistance to fatigue of a material is measured by

Elastic limit
Young's modulus
Endurance limit
Ultimate tensile strength

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Machine Design
Which of the following screw thread is used for power transmission in one direction only?

Buttress threads
Square threads
Acme threads
Multiple threads

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Machine Design
A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called

Hydrostatic lubricated bearing
Zero film bearing
Boundary lubricated bearing
Hydrodynamic lubricated bearing

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Machine Design
For longitudinal joint in boilers, the type of joint used is

Any one of the above
Lap joint with one ring overlapping the other
Butt joint with double cover plate
Butt joint with single cover plate

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