Desirable value of absorption factor in an absorber is (A) 1 (B) < 1 (C) > 1 (D) 0.5

Desirable value of absorption factor in an absorber is
(A) 1
(B) < 1
(C) > 1
(D) 0.5
by

1 Answer

Answer :

(C) > 1
by

Related questions

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If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is (A) L/G (B) G/L (C) Always < 1 (D) None of these

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The operating line for an absorber is curved, when plotted in terms of (A) Mole fractions (B) Mole ratios (C) Partial pressure (D) Mass fractions

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In case of an absorber, the operating (A) Line always lies above the equilibrium curve (B) Line always lies below the equilibrium curve (C) Line can be either above or below the equilibrium curve (D) Velocity is more than the loading velocity

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For an absorber, both equilibrium and operating line will be straight for (A) Concentrated solution and non-isothermal operation (B) Dilute solution and non-isothermal operation (C) Dilute solution and isothermal operation (D) Concentrated solution and isothermal operation

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When both the fluids flow concurrently in an absorber, the slope of the operating line is (A) -ve (B) +ve (C) 1 (D) -1

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For a single component absorber, the operating line is straight only when plotted in term of __________ units. (A) Partial pressure (B) Mole ratio (C) Mole fraction (D) None of these

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For the same system, if the same liquid used in an absorber is decreased, the tower height will (A) Increase (B) Decrease (C) Remain unaffected (D) Decrease or increase; depends on the type of liquid

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. A perfect black body is a perfect __________ of radiation. (A) Absorber (B) Emitter (C) Both (A) & (B) (D) Neither (A) nor (B)

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Contact process of sulphuric acid manufacture (A) Yields acid of higher concentration than chamber process (B) Yields acids of lower concentration than chamber process (C) Is obsolete (D) Eliminates absorber

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. In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because (A) SO3 gas is sparingly soluble in water (B) Water forms an acid mist, which is difficult to absorb (C) The purity of acid is affected (D) Scale formation in the absorber is to be avoided

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In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed: (A) Furnace → converter → absorber (B) Furnace → evaporator → absorber (C) Furnace → converter → evaporator (D) Converter → furnace → absorber

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. The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line). (A) L/mG (B) G/mL (C) mL/G (D) LG/m

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The reciprocal of stripping factor is termed as (A) Selectivity index (B) Relative volatility (C) Absorption factor (D) Murphree efficiency

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