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March 2019

An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is___________________?

An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is___________________?

A. 4000
B. 9000
C. 4600
D. 3000

An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is___________________? Read More »

Chemical Heat Transfer

Steady state one dimensional heat flow by conduction as given by Fourier’s low does not assume that_______________?

Steady state one dimensional heat flow by conduction as given by Fourier’s low does not assume that_______________?

A. There is no internal heat generation
B. Boundary surfaces are isothermal
C. Material is anisotropic
D. Constant temperature gradient exists

Steady state one dimensional heat flow by conduction as given by Fourier’s low does not assume that_______________? Read More »

Chemical Heat Transfer

In case of a shell and tube heat exchanger, the minimum and maximum baffle spacing is respectively (where, D = inside diameter of the shell) ?

In case of a shell and tube heat exchanger, the minimum and maximum baffle spacing is respectively (where, D = inside diameter of the shell) ?

A. D/5 and D
B. D/2 and 2 D
C. D/4 and 2 D
D. D and 2 D

In case of a shell and tube heat exchanger, the minimum and maximum baffle spacing is respectively (where, D = inside diameter of the shell) ? Read More »

Chemical Heat Transfer