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Workshop Technology

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
The acetylene cylinder is usually painted with

White colour
Maroon colour
Yellow colour
Black colour

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Workshop Technology
Green sand is a mixture of

50% sand and 50% clay
30% sand and 70% clay
70% sand and 30% clay
90% sand and 10% clay

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Workshop Technology
The upsetting is a process of

Increasing the cross-section of a bar
Joining the two surfaces of metal under pressure after heating
Reducing the cross-section of a bar
Bending of a bar

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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
48 mm
46 mm
42 mm

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Workshop Technology
the most preferred process for casting gas turbine blades is

Shell moulding
Investment moulding
Sand casting
Die casting

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