Presence of sulphur in cast iron
A) retards fluidity
B) promotes brittleness
C) promotes oxidation
D) all of the above
Correct Answer:
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Q13: In fluminium foundry, for removing dissolved hydrogen
Q14: Choose the correct statement in respect of
Q15: The thicker sections of casting will have
Q16: The moulding tool used for finishing/repairing the
Q17: Which of the following test on castings
Q19: Hand tool used in foundry shop for
Q20: Shell moulding is uneconomical for
A)small castings
B)large scale
Q21: Shatter test is a measure of
A)sand toughness
B)sand
Q22: Cohesiveness of sand depends on
A)grain size and
Q23: Which grain shape of sand particles is
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