Fetling of castings is done to
A) Fill the void by welding
B) Smoothen surfaces
C) Remove the extra material from castings
D) To remove internal stresses from castings
E) To produce uniformly cooled castings.
Correct Answer:
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Q26: All of the following are metal cleaning
Q27: Which one of the following is a
Q28: In automatic control systems what could be
Q29: The maximum peripheral speed of a grinding
Q30: Continuous chips
A)Are easily disposable
B)Sintering
C)Cause good surface finish
D)Waste
Q32: Lathe bed is made of
A)Mild steel
B)Close grain
Q33: In a shrink rule the graduations are
A)Slightly
Q34: The purpose of using a core in
Q35: A micron is
A)0.01 mm
B)0.1 mm
C)1 mm
D)0.0001 mm
E)0.001
Q36: Investment casting uses pattern made of
A)Clay
B)Wood
C)Metal
D)Plastic
E)Wax
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