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Workshop Technology

Workshop Technology
The oxygen cylinder is usually painted with

White colour
Maroon colour
Black colour
Yellow colour

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Workshop Technology
The electron beam welding can be carried out in

Open air
A shielded gas environment
Vacuum
A pressurized inert gas chamber

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

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

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Workshop Technology
In a four high rolling mill, there are four rolls out of which

Three are working rolls and one is backing up roll
All of the four are working rolls
One is working roll and three are backing up rolls
Two are working rolls and two are backing up rolls

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Workshop Technology
In ___ welding, the weld may be made either from left to right or from right to left.

Backhand
Vertical
None of the listed here
Forehand

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Workshop Technology
In average work, the tolerance produced by investment casting method is

+05 mm
+1 mm
+0.2 mm
±0.05 mm

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