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Workshop Technology

Workshop Technology
A file with 20 teeth in 25 mm is called

Second cut file
Rough file
Bastard file
Smooth file

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Workshop Technology
The draft or taper allowance on casting is generally

1 to 2 mm/m
10 to 15 mm/m
5 to 10 mm/m
2 to 5 mm/m

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Workshop Technology
A two high rolling mill consists of two rolls which rotate

At the same speed and in the same direction
At different speeds and in the same direction
At the same speed but in opposite direction
At different speeds and in the opposite direction

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Workshop Technology
To prevent the body of the blade from jamming in the saw cut, the teeth of blade are

All of the listed here
Strengthened
Sharpened
Set

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Workshop Technology
In arc welding, the temperature of heat produced by the electric arc is of the order of

3000°C to 4000°C
4000°C to 5000°C
6000°C to 7000°C
5000°C to 6000°C

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Workshop Technology
The hot working of metals is carried out

Above the recrystallisation temperature
At the recrystallisation temperature
Below the recrystallisation temperature
At any temperature

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