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Workshop Technology

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

+05 mm
+1 mm
±0.05 mm
+0.2 mm

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Workshop Technology
The shrinkage allowance for cast iron pattern is

10 mm/m
16 mm/m
20 mm/m
26 mm/m

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Workshop Technology
Which of the following material can be used for making patterns?

Lead
Aluminium
Wax
All of these

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

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

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Workshop Technology
A casting defect which occurs due to improper venting of sand is known as

Swell
Cold shuts
Shift
Blow holes

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

Forehand
None of the listed here
Backhand
Vertical

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