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Test: Mass Transfer - 2


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25 Questions MCQ Test Mass Transfer | Test: Mass Transfer - 2

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Test: Mass Transfer - 2 - Question 1

The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________

Test: Mass Transfer - 2 - Question 2

Dew point of a gas-vapour mixture

Test: Mass Transfer - 2 - Question 3

In case of an absorber, the operating

Test: Mass Transfer - 2 - Question 4

In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.

Test: Mass Transfer - 2 - Question 5

Which of the following plays an important role in problems of simultaneous heat and mass transfer ?

Test: Mass Transfer - 2 - Question 6

As the reflux ratio in a distillation coloumn is increased from the minimum, the

Test: Mass Transfer - 2 - Question 7

Absorption factor is defined as (where, S1 = slope of the operating line S2 = slope of the equilibrium curve)

Test: Mass Transfer - 2 - Question 8

A plait point is the point on the solubility curve, where the tie line reduces to a point. What is the number of plait point for a ternery system containing twopairs of partially miscible liquids ?

Test: Mass Transfer - 2 - Question 9

Which of the following remains constant during sensible cooling process ?

Test: Mass Transfer - 2 - Question 10

Physical absorption is

Test: Mass Transfer - 2 - Question 11

Make up water is required in a cooling tower to replace the water lost by

Test: Mass Transfer - 2 - Question 12

Which of the following quantities need not be fixed before starting the design of a co-current absorber ?

Test: Mass Transfer - 2 - Question 13

Mass transfer co-efficient of liquid is

Test: Mass Transfer - 2 - Question 14

Absorption accompanied with chemical reaction is exemplified by the absorption of

Test: Mass Transfer - 2 - Question 15

Which of the following unit operations makes use of Thiele-Geddes equation ?

Test: Mass Transfer - 2 - Question 16

Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty ?

Test: Mass Transfer - 2 - Question 17

The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is

Test: Mass Transfer - 2 - Question 18

Chemisorption (chemical adsorption) is

Test: Mass Transfer - 2 - Question 19

The rate of solid-liquid extraction is limited by the

Test: Mass Transfer - 2 - Question 20

Raoult's law applies to the

Test: Mass Transfer - 2 - Question 21

In distillation columns, the number of bubble caps per tray primarily depends upon the

Test: Mass Transfer - 2 - Question 22

In distillation, overhead product contains

Test: Mass Transfer - 2 - Question 23

With increase in pressure, the relative volatility for a binary system

Test: Mass Transfer - 2 - Question 24

Low viscosity absorbent is preferred for reasons of

Test: Mass Transfer - 2 - Question 25

Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as

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