The purpose of using a core in moulding is
A) To produce sound casting
B) To permit uniform flow of metal during moulding
C) To enable easy removal of pattern
D) To produce chilled surface
E) To provide desired recesses in casting
Correct Answer:
Verified
Q29: The maximum peripheral speed of a grinding
Q30: Continuous chips
A)Are easily disposable
B)Sintering
C)Cause good surface finish
D)Waste
Q31: Fetling of castings is done to
A)Fill the
Q32: Lathe bed is made of
A)Mild steel
B)Close grain
Q33: In a shrink rule the graduations are
A)Slightly
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
Q37: Metal patterns are used for
A)Large castings
B)Large scale
Q38: In a lathe power feed is generally
Q39: Bellows are
A)Used in foundry for cleaning the
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