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Machine Design

Machine Design
A locking device extensively used in automobile industry is a

Castle nut
Jam nut
Ring nut
Sawn nut

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Machine Design
In the assembly of pulley, key and shaft

Pulley is made the weakest
Key is made the strongest
Key is made the weakest
All the three are designed for equal strength

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Machine Design
Brittle coating technique is used for

Protecting metal against corrosion
Determining brittleness
Experimental stress analysis
Protecting metal against wear and tear

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Machine Design
The longitudinal joint in boilers is used to get the required

Length of boiler
Diameter of boiler
Length and diameter of boiler
Efficiency of boiler

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

Threaded
Flanged
Expansion
Bell and spigot

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Machine Design
The piston rod of a steam engine is usually connected to the cross-head by means of

Knuckle joint
Cotter joint
Bolted joint
Universal joint

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