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Workshop Technology

Workshop Technology
The surface to be left unmachined is marked on the pattern by

Blue colour
Red colour
Black colour
Yellow colour

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Workshop Technology
The current in electric resistance welding can be regulated by

Changing the secondary turns of the transformer
Changing the primary turns of the transformer
Any one of the listed here
Varying the input supply

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Workshop Technology
In sheet metal work, he cutting force on the tool can be reduced by

Increasing the hardness of tool
Providing shear on tool
Grinding the cutting edges sharp
Increasing the hardness of die

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Workshop Technology
In a gas welding of mild steel using an oxyacetylene flame, the total amount of acetylene consumed is 10 litres. The oxygen consumption from the cylinder is

20 litres
5 litres
10 litres
15 litres

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Workshop Technology
A ring gauge is used to

All of these
Check the clearance between two mating surfaces
Test the accuracy of holes
Check the diameter of shafts or studs

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Workshop Technology
A sand employed on the faces of the pattern before moulding, is called

Green sand
Dry sand
Loam sand
Parting sand

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MORE MCQ ON Workshop Technology

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