Lakshya Education MCQs

Question: Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about
A.1 to 2°
B.2 to 5°
C.5 to 10°
D.10 to 15°
Answer: Option B

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More Questions on This Topic :

Question 1. Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration.
  1.    Constant rate
  2.    Varying pressure
  3.    Varying rate
  4.    Constant pressure
Answer: Option A
Question 2. In paint industries, blending of light paste is done by using a
  1.    Masticator
  2.    Charge can mixer
  3.    Kneader
  4.    None of these
Answer: Option B
Question 3. Close circuit grinding by a ball mill with air sweeping employs a
  1.    Classifier
  2.    Cyclone separator between mill & classifier
  3.    Both A & B
  4.    Neither A nor B
Answer: Option C
Question 4. The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to
  1.    N°
  2.    N¹
  3.    N²
  4.    N³
Answer: Option C
Question 5. Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm.
  1.    0.007
  2.    0.30
  3.    50
  4.    0.014
Answer: Option B
Question 6. Traces of liquid tar fog present in coke oven gas is separated using
  1.    Electrostatic precipitator
  2.    Cyclone separator
  3.    Strainer
  4.    None of these
Answer: Option A

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