While selecting wood for patterns, one should
A) discard the rot
B) discard the seasoned wood
C) select the fresthy filled wood
D) select the cross-grained woods
Correct Answer:
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Q11: Which of the following statement about core
Q12: Rammer used for moulding the sand in
Q13: All of the following operations on castings
Q14: Wax patterns are used in
A)non-ferrous castings
B)investment casting
Q15: In copper alloy foundry which of the
Q17: A spoke shave is a
A)planing tool
B)sawing tool
C)boring
Q18: Oil used for core sand is
A)molasses
B)linseed oil
C)mineral
Q19: The percentage of sulphur in pig iron
Q20: Solidification time for riser should be
A)less than
Q21: Which of the following is very powerful
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