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Workshop Technology

Workshop Technology
The oxyacetylene gas used in gas welding produce a flame temperature of

2400°C
1800°C
2100°C
3200°C

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Workshop Technology
For gas welding, the pressure desired at the welding torch for oxygen is

7 to 103 kN/m²
70 to 280 kN/m²
560 to 840 kN/m²
280 to 560 kN/m²

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Workshop Technology
The oxygen cylinder is usually painted with

Yellow colour
Black colour
Maroon colour
White colour

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

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

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Workshop Technology
A pattern maker's shrinkage rule considers

Only shrinkage allowance
All materials of the pattern
All materials to be cast
All pattern allowances

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Workshop Technology
For smoothing and cleaning out depressions in the mould, a ________ is used.

Slick
Gagger
Swab
Lifter

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