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The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________
In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.
Which of the following plays an important role in problems of simultaneous heat and mass transfer ?
As the reflux ratio in a distillation coloumn is increased from the minimum, the
Absorption factor is defined as (where, S1 = slope of the operating line S2 = slope of the equilibrium curve)
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 ?
Which of the following remains constant during sensible cooling process ?
Make up water is required in a cooling tower to replace the water lost by
Which of the following quantities need not be fixed before starting the design of a co-current absorber ?
Absorption accompanied with chemical reaction is exemplified by the absorption of
Which of the following unit operations makes use of Thiele-Geddes equation ?
Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty ?
The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is
In distillation columns, the number of bubble caps per tray primarily depends upon the
With increase in pressure, the relative volatility for a binary system
Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as