Chemical Engineering — Test 67
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Question 1
The efficiency of a plate column will be maximum, when the flow is ideal __________________ the plate?
Question 2
_______________ columns are used for liquid dispersion in a continuous gas phase ?
Question 3
An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is ?
Question 4
Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a____________________?
Question 5
With increase in the concentration of the adsorbate, the integral heat of adsorption____________________?
Question 6
A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process ?
Question 7
When the ____________________ the relative humidity of air decreases, despite an increase in the absolute humidity?
Question 8
Which of the following equipments is not used in liquid-liquid extraction ?
Question 9
In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the________________________?
Question 10
To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate) ____________________?