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Workshop Technology
Comments
Question
The machining allowance provided on patterns depends upon
Options
A. type of casting metal
B. size and shape of casting
C. method of casting used
D. all of these
Correct Answer
all of these
Workshop Technology problems
Search Results
1. In a die casting method, the molten metal is forced into mould under high pressure.
Options
A. Correct
B. Incorrect
Show Answer
Scratch Pad
Discuss
Correct Answer: Correct
2. Thread rolling is restricted to
Options
A. ferrous materials
B. ductile materials
C. hard materials
D. none of these
Show Answer
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Discuss
Correct Answer: ductile materials
3. The temperature of oxy-hydrogen flame is __________ oxy-acetylene flame.
Options
A. same as
B. less than
C. more than
Show Answer
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Discuss
Correct Answer: less than
4. In a centrifugal casting method
Options
A. core is made of sand
B. core is made of ferrous metal
C. core is made of non-ferrous metal
D. no core is used
Show Answer
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Discuss
Correct Answer: no core is used
5. In a bilateral system of tolerance, the tolerance is allowed on
Options
A. one side of the actual size
B. one side of the nominal size
C. both sides of the actual size
D. both sides of the nominal size
Show Answer
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Correct Answer: both sides of the nominal size
6. The cold chisels are made by
Options
A. drawing
B. rolling
C. piercing
D. forging
Show Answer
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Discuss
Correct Answer: forging
7. Galvanising is a
Options
A. zinc diffusion process
B. process of coating zinc by hot dipping
C. process used for making thin phosphate coating on steel
D. none of the above
Show Answer
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Discuss
Correct Answer: process of coating zinc by hot dipping
8. The tolerance produced by shell moulding process of casting is
Options
A. +0.05 mm
B. ±0.2 mm
C. +0.5 mm
D. ±1 mm
Show Answer
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Correct Answer: ±0.2 mm
9. In average work, the tolerance produced by investment casting method is
Options
A. ±0.05 mm
B. +0.2 mm
C. +05 mm
D. +1 mm
Show Answer
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Discuss
Correct Answer: ±0.05 mm
10. A pattern maker's shrinkage rule considers
Options
A. all pattern allowances
B. only shrinkage allowance
C. all materials to be cast
D. all materials of the pattern
Show Answer
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Discuss
Correct Answer: only shrinkage allowance
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