Plug rolling is used to
A) Reduce the wall thickness and increase the diameter of tubes already made
B) Remove out of roundness of pipes
C) Increase the wall thickness of pipes at ends
D) Reduce the diameter of pipe
E) Cut threads at the ends of pipes
Correct Answer:
Verified
Q40: Marform is
A)Is a foming process on lathe
Q41: For aluminium, the cutting speed on lathe
Q42: Which of the following defect results due
Q43: The range of voltage (open circuit) in
Q44: A Bourdon tube is generally made of
A)Monel
Q45: The chemical used in generating acetylene is
A)Charcoal
B)Calcium
Q46: Which one of the following is not
Q48: Burr is
A)Boundary between finished and unifinished portion
Q49: Which process is used for manufacturing the
Q50: The silver point temperature is
A)760°C
B)1500.5°C
C)500°C
D)960.5°C
E)1100.5°C
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