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Workshop Technology

Workshop Technology
The minimum size of a bloom is

15 cm × 15 cm
20 cm × 20 cm
10 cm × 10 cm
5 cm × 5 cm

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Workshop Technology
In backhand welding, the angle between the welding torch and the work is kept as

60°-70°
40°-50°
50°-60°
30°-40°

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Workshop Technology
In electric resistance welding, pressure applied varies from

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

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Workshop Technology
The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as

Drawing
Squeezing
Planishing
Coining

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Workshop Technology
A zinc diffusion process is called

Galvanizing
Parkerising
Anodizing
Sherardizing

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Workshop Technology
In piercing operation, the clearance is provided on

Half on the punch and half on the die
Die
Either on punch or die depending upon designer's choice
Punch

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