Chemical Engineering — Test 73
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Question 1
When the temperature and humidity of air is low, we usually use _______________ draft cooling tower?
Question 2
Water-ethyl alcohol solution can be concentrated (in respect of alcohol concentration) by ________________ distillation?
Question 3
In an interphase mass transfer process, the lesser the solubility of a given solute in a liquid, the higher are the chances that the transfer process will be_________________?
Question 4
Percentage saturation is _______________ the relative saturation?
Question 5
If a1 and a2 are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement ?
Question 6
In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG ______________ the absorption factor?
Question 7
If a two phase system is in physical equilibrium; then it means that, the_____________________?
Question 8
Which of the following remains constant during evaporative cooling process with recirculated water supply ?
Question 9
Weight of 1 m3 of humid air as compared to 1 m3 of dry air, under the same conditions, is_________________?
Question 10
Solvent used in extractive distillation___________________?