Centrifugal pump can't be used to pump

1.	Centrifugal pump can't be used to pump
A.	molten sodium (used as a coolant in Fast Breeder Reactor).
B.	moderately viscous vegetable oil used in soap industry.
C.	thick molten soap at 80¬∞C.
D.	none of the above.
Answer» D. none of the above.

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Centrifugal pump can't be used to pump

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