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Workshop Technology

Workshop Technology
The temperature produced by oxy-hydrogen flame is about

1800°C
2100°C
2400°C
3200°C

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Workshop Technology
For welding plates of thickness less than 5 mm, its edges

Should be bevelled to a single-V or U-groove
Should have a double-V or U-groove on both sides
Do not require bevelling
Should have a double-V or U-groove on one side

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

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

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Workshop Technology
The temperature of the inner luminous cone of neutral flame is about

1250°C
1000°C
2100°C
3200°C

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Workshop Technology
The metal extrusion process is generally used for producing

Varying solid and hollow sections
Uniform solid and hollow sections
Uniform hollow sections
Uniform solid sections

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Workshop Technology
According to Indian standards, the total numbers of tolerance grades are

18
12
8
20

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