Exercise: Workshop Technology

Questions for: Workshop Technology

Most of the oxy-acetylene welding is done with
A:
neutral flame
B:
oxidising flame
C:
carburising flame
D:
all of these
Answer: A
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In electric resistance welding, voltage required for heating is
A:
1 to 5 volts
B:
6 to 10 volts
C:
11 to 20 volts
D:
50 to 100 volts
Answer: B
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For welding plates of thickness more than 12.5 mm, its edges
A:
do not require bevelling
B:
should be bevelled to a single-V or U-groove
C:
should have a double-V or U-groove on one side
D:
should have a double-V or U-groove on both sides
Answer: D
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The welding set up is said to have reversed polarity when the work is connected to the negative terminal and the electrode holder to the positive terminal.
A:
Agree
B:
Disagree
C:
D:
Answer: A
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A rip saw
A:
is a two man saw
B:
is used for cutting along the grains of wood
C:
has a narrow blade with two wooden handles
D:
all of the above
Answer: B
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