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Workshop Technology

Workshop Technology
The operation of bending a sheet of metal along a curved axis, is known as

Notching
Plunging
Slitting
Forming

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Workshop Technology
Which of the following methods can be used for manufacturing 2 meter long seamless metallic tubes?

Rolling
Extrusion
Extrusion and rolling
Drawing

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Workshop Technology
The temperature at which the new grains are formed in the metal is called

Lower critical temperature
Eutectic temperature
Upper critical temperature
Recrystallisation temperature

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Workshop Technology
In sheet metal work, he cutting force on the tool can be reduced by

Providing shear on tool
Increasing the hardness of die
Increasing the hardness of tool
Grinding the cutting edges sharp

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Workshop Technology
In backhand welding, the angle between the welding torch and the work is kept as

30°-40°
60°-70°
40°-50°
50°-60°

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Workshop Technology
The brass and bronze are welded by _________ flame.

All of these
Neutral
Oxidizing
Carburising

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