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Machine Design

Machine Design
The cold working of metals is carried out __________ the recrystallization temperature.

At
Above
Below
None of these

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Machine Design
A V-belt designated as B 4430 LP has

4430 mm as centre distance between pulleys
4430 mm as nominal pitch length
4430 mm as diameter of small pulley
4430 mm as diameter of large pulley

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Machine Design
The edges of a boiler plate are bevelled to an angle of

60°
30°
45°
80°

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

Socket joint
Spigot and socket joint
Nipple joint
Union joint

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Machine Design
The most important dimension in the design of a nut is

Height
Outside diameter
Pitch diameter
Inside diameter

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Machine Design
When the belt is transmitting maximum power, the belt speed should be (Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N))

√(Pmax / 2m)
√(Pmax / 3m)
√(Pmax / m)
√(3m /Pmax)

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