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Mechanical Engineering - Workshop Technology

Exercise : Workshop Technology - Section 2
41.
For welding plates of thickness more than 12.5 mm, its edges
do not require bevelling
should be bevelled to a single-V or U-groove
should have a double-V or U-groove on one side
should have a double-V or U-groove on both sides
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
In electric resistance welding, voltage required for heating is
1 to 5 volts
6 to 10 volts
11 to 20 volts
50 to 100 volts
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Most of the oxy-acetylene welding is done with
neutral flame
oxidising flame
carburising flame
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
The cutting edge of a chisel should be
hardened
tempered
hardened and tempered
case hardened
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Scab is a casting defect which occurs as sand patches on the upper surface of a casting.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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