During washing of filter at the end of constant pressure filtration, t – McqOptions

MCQOPTIONS

1.	During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration
A.	at time zero.
B.	at the end of filtration.
C.	when half the filtrate has been obtained.
D.	at the end of filtration, but decreases with time subsequently.
Answer» C. when half the filtrate has been obtained.

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