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Workshop Technology

Workshop Technology
In electric resistance welding, pressure applied varies from

1 to 5 MPa
25 to 55 MPa
10 to 25 MPa
5 to 10 MPa

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Workshop Technology
The metal patterns as compared to wooden patterns require less

Draft allowance
Shrinkage allowance
Distortion allowance
Machining allowance

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Workshop Technology
Cast iron and steel pipes are produced by

Die casting
Slush casting
Investment casting
True centrifugal casting

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Workshop Technology
Tandem drawing of wires and tubes is necessary because

It is not possible to reduce at one stage
Accuracy in dimensions is not possible otherwise
Annealing is needed between stages
Surface finish improves after every drawing stage

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Workshop Technology
The cross-section of a chisel is usually

Rectangular
Hexagonal
Square
Octagonal

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Workshop Technology
Seam welding is a

Process used for joining round bars
Arc welding process
Continuous spot welding process
Multi-spot welding process

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