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Machine Design

Machine Design
For maximum power, the velocity of the belt will be

√(T/m)
√(T/3m)
None of these
√(T/2m)

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Machine Design
The pipe joint mostly used for pipes carrying water at low pressures is

Union joint
Nipple joint
Spigot and socket joint
Socket joint

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Machine Design
If threads on a bolt are left hand, threads on nut will be

Right hand with same pitch
Left hand with same pitch
Right hand with fine pitch
Could be left or right hand

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Machine Design
Gear box is used

For speed reduction
To produce torque
To increase efficiency of system
To obtain variable speeds

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Machine Design
When an open coiled helical compression spring is subjected to an axial compressive load, the stress induced in the wire is

Tensile stress
Shear stress
Compressive stress
Bending stress

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Machine Design
In helical bevel gearing, the axes of shafts are __________ and the teeth are curved.

Intersecting and non-parallel
None of these
Non-intersecting and non-parallel
Intersecting

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