Exercise: Workshop Technology

Questions for: Workshop Technology

The metal patterns as compared to wooden patterns require less
A:
shrinkage allowance
B:
machining allowance
C:
draft allowance
D:
distortion allowance
Answer: C
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The temperature of the inner luminous cone of neutral flame is about
A:
1000° C
B:
1250° C
C:
2100° C
D:
3200° C
Answer: D
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Swab is used for
A:
smoothing and cleaning out depressions in the mould
B:
cleaning the moulding sand
C:
moistening the sand around the edge before removing pattern
D:
reinforcement of sand in the top part of the moulding box
Answer: C
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A casting defect which occurs due to improper venting of sand is known as
A:
cold shuts
B:
blow holes
C:
shift
D:
swell
Answer: B
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The process of decreasing the cross-section of a bar and increasing its length, is called
A:
drawing down
B:
upsetting
C:
spinning
D:
peening
Answer: A
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