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Workshop Technology

Workshop Technology
For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately

44 mm
42 mm
48 mm
46 mm

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Workshop Technology
The operation of bending a sheet of metal along a curved axis, is known as

Slitting
Plunging
Forming
Notching

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Workshop Technology
A neutral flame is obtained by supplying

More volume of acetylene and less volume of oxygen
More volume of oxygen and less volume of acetylene
None of the listed here
Equal volumes of oxygen and acetylene

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Workshop Technology
The welding process used to join the ends of two pipes of uniform cross-section, is

Spot welding
Seam welding
Projection welding
Upset butt welding

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Workshop Technology
The tolerance produced by shell moulding process of casting is

±1 mm
+0.05 mm
±0.2 mm
+0.5 mm

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Workshop Technology
In sheet metal blanking, shear is provided on punches and dies so that

Warping of sheet is minimized
Good cut edge is obtained
Cut blanks is straight
Press load is reduced

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