Related Questions

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
Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration.
A Constant rate
B Varying pressure
C Varying rate
D Constant pressure
The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration.
A Rate
B Pressure
C Both A & B
D Neither A nor B
A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is
A $$\frac{1}{2}$$w2.R2.ρL
B $$\frac{1}{2}$$w2.δ2.ρL
C $$\frac{1}{2}$$w2.δ.ρL(2R + δ)
D $$\frac{1}{2}$$w2.R.ρL(R + 2δ)
After driving for fifty kilo-meter, the driver suddenly realized that he has been driving in the wrong direction. Choose the wrong one following sentences.
A After
B realized
C has been driving
D in
After driving for twenty miles, he suddenly realized that he has benn driving in the wrong direction. Identify the word/phrase that must be changed in order for the sentences to be correct.
A After driving
B for
C realized
D has been driving
After driving (a) for twenty miles, he suddenly realized (b) that he has been driving (c) in (d) the wrong direction.
A a
B b
C c
D d
__________ centrifuge is normally used in sugar mills.
A Tubular bowl
B Disc-bowl
C Suspended batch basket
D Perforated horizontal basket continuous
A typical chromosome has two parts a centrifuge and ________
A Blastomeres
B Chromosomes
C Centrosomes
D Ribosomes
__________ centrifuge is the most suitable for separation of non-friable crystals.
A Tubular bowl
B Disc-bowl
C Perforated horizontal basket continuous
D Suspended batch basket

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