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MACHINE DESIGN

Machine Design
The load cup of a screw jack is made separate from the head of the spindle to

Prevent the rotation of load being lifted
Enhance the load carrying capacity of the jack
Reduce the value of frictional torque
Reduce the effort needed for lifting the working load

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Machine Design
Silver based solder is used for

Soft soldering
Fusion welding
Brazing
Flaring

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Machine Design
The endurance limit for a mirror polished material will be __________ as compared to unpolished material.

More
Less
None of these
Same

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Machine Design
Eye bolts are used for

Foundation purposes
Lifting and transportation of machines and cubicles
Transmission of power
Absorbing shock and vibrations

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Machine Design
When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to

M + √(M² + T²)
√(M² + T²)
(1/2) × √(M² + T²)
(1/2) × [M + √(M² + T²)]

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