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Mechanical Engineering - Workshop Technology

Exercise : Workshop Technology - Section 4
46.
Cold working of metal increases
tensile strength
yield strength
hardness
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
In welding aluminium with TIG arc welding, alternating current is used.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Linde welding uses
neutral flame and right-ward technique
oxidising flame and left-ward technique
neutral flame and left-ward technique
carburising flame and right-ward technique
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
The purpose of a gate is to
deliver molten metal into the mould cavity
act as a reservoir for the molten metal
feed the molten metal to the casting in order to compensate for the shrinkage
deliver molten metal from pouring basin to gate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
When two pieces of different metals are to be welded by projection welding, then the projection should be made on the metal piece having __________ conductivity.
lower
higher
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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