In the chill zone of ingots, if the pouring temperature is low the wh – McqOptions

MCQOPTIONS

1.	In the chill zone of ingots, if the pouring temperature is low the whole of the liquid will be rapidly cooled below the liquidus temperature and the crystals swept into the melt may be able to continue to grow. This is known as______
A.	Big Bang nucleation
B.	Rapid quenching
C.	Big Boss nucleation
D.	Casting prep
Answer» B. Rapid quenching

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