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Mechanical Engineering - Workshop Technology

Exercise : Workshop Technology - Section 1
6.
In arc welding, the electric arc is produced between the work and the electrode by
voltage
flow of current
contact resistance
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
In a centrifugal casting method
core is made of sand
core is made of ferrous metal
core is made of non-ferrous metal
no core is used
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The draft or taper allowance on casting is generally
1 to 2 mm/m
2 to 5 mm/m
5 to 10 mm/m
10 to 15 mm/m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Which of the following welding process uses non-consumable electrodes?
TIG welding
MIG welding
Manual arc welding
Submerged arc welding
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
In a bilateral system of tolerance, the tolerance is allowed on
one side of the actual size
one side of the nominal size
both sides of the actual size
both sides of the nominal size
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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