Exercise: Workshop Technology

Questions for: Workshop Technology

Which of the following welding process uses non-consumable electrodes?
A:
TIG welding
B:
MIG welding
C:
Manual arc welding
D:
Submerged arc welding
Answer: A
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The draft or taper allowance on casting is generally
A:
1 to 2 mm/m
B:
2 to 5 mm/m
C:
5 to 10 mm/m
D:
10 to 15 mm/m
Answer: A
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In a centrifugal casting method
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
Answer: D
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In arc welding, the electric arc is produced between the work and the electrode by
A:
voltage
B:
flow of current
C:
contact resistance
D:
all of these
Answer: C
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A taper provided on the pattern for its easy and clean withdrawl from the mould is known as
A:
machining allowance
B:
draft allowance
C:
shrinkage allowance
D:
distortion allowance
Answer: B
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