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Mechanical Engineering - Workshop Technology

Exercise : Workshop Technology - Section 4
16.
During cold working process
grain structure is distorted
strength and hardness of metal increases
close dimensional tolerance can be maintained
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by
washing it with water
rubbing on wood
washing it with dilute acid
using file card
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
In back-hand welding, the angle between the welding rod and the work is __________ as compared to fore-hand welding.
same
less
more
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Lap joints are employed on plates having thickness
less than 3 mm
5 to 10 mm
12.5 mm
above 25 mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
A large electrode is used in un-shielded arc welding.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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