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Mechanical Engineering - Workshop Technology

Exercise : Workshop Technology - Section 3
1.
The casting method adopted for ornaments and toys of non-ferrous alloys, is
permanent mould casting
slush casting
die casting
centrifugal casting
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In a cold chamber die casting machine
melting pot is separate from the machine
melting pot is an integral part of the machine
melting pot may have any location
low temperature and pressure is used
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Structural sections such as rails, angles, I-beams are made by
hot rolling
hot drawing
hot piercing
hot extrusion
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The minimum size of a billet is 10 cm x 10 cm.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
In welding magnesium with TIG arc welding, direct current with __________ is used.
straight polarity
reversed polarity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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