Bellows are
A) Used in foundry for cleaning the casting
B) Used in foundry for blowing loose sand from cavities and surface of the mould
C) Used in foundry for smoothening and cleaning out depression in the mould
D) Used in foundry for repairing the moulds
E) Used in foundry for moistening the mould
Correct Answer:
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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
Q37: Metal patterns are used for
A)Large castings
B)Large scale
Q38: In a lathe power feed is generally
Q40: Which one of the following methods cannot
Q41: Which of the following is not a
Q42: During planning the chips produced are in
Q43: Choose the incorrect statements. A coolant should
Q44: Which of the following centre is used
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