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Workshop Technology

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

±1 mm
+0.05 mm
+0.5 mm
±0.2 mm

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Workshop Technology
The material which can be best cut with oxygen cutting process is

Aluminium
Mild steel
Copper
Brass

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Workshop Technology
Which of the following welding method uses a pool of molten metal?

Submerged arc welding
MIG arc welding
Carbon arc welding
TIG arc welding

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Workshop Technology
Cores are used to

Form a part of a green sand mould
Improve mould surface
All of these
Form internal cavities in the casting

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Workshop Technology
Seam welding is best adopted for metal thickness ranging from

3 to 5 mm
8 to 10 mm
0.025 to 3 mm
5 to 8 mm

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

Machining allowance
Shrinkage allowance
Distortion allowance
Draft allowance

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