This set of Chemical Process Calculation Multiple Choice Questions & Answers focuses on “Material Balance without Reaction-IV”.
1. Distillation is a separating process based on __________ of liquid mixture.
a) Vaporizing
b) Condensation
c) Freezing
d) None of the mentioned
View Answer
Explanation:. Distillation is a separating process based on Vaporizing of liquid mixture.
2-8. For the given distillation column
1000 Kg of feed is given to the column and the efficiency of the column is 10%.
2. What is the amount of product?
a) 10 Kg
b) 100 Kg
c) 1000 Kg
d) None of the mentioned
View Answer
Explanation: Product in Kg = 1000*0.1 = 100 Kg.
3. What is amount of CH3OH in the feed?
a) 200 Kg
b) 400 Kg
c) 600 Kg
d) 800 Kg
View Answer
Explanation: CH3OH in the feed = 1000*0.2 = 200 Kg.
4. What is amount of H2O in the feed?
a) 200 Kg
b) 400 Kg
c) 600 Kg
d) 800 Kg
View Answer
Explanation: H2O in the feed = 1000*0.8 = 800 Kg.
5. What is amount of CH3OH in the product?
a) 25 Kg
b) 50 Kg
c) 75 Kg
d) 100 Kg
View Answer
Explanation: CH3OH in the product = 100*0.5 = 500 Kg.
6. What is amount of H2O in the product?
a) 25 Kg
b) 50 Kg
c) 75 Kg
d) 100 Kg
View Answer
Explanation: H2O in the product = 100*0.5 = 500 Kg.
7. What is amount of CH3OH in the waste?
a) 150 Kg
b) 250 Kg
c) 450 Kg
d) 750 Kg
View Answer
Explanation: Waste = Product – Feed.
8. What is amount of H2O in the waste?
a) 150 Kg
b) 250 Kg
c) 450 Kg
d) 750 Kg
View Answer
Explanation: Waste = Product – Feed.
9. 50 Kg of a solid liquid mixture containing 10% solid and 90% water is left open in atmosphere, after some time the water is 80%, what is the weight of the mixture now?
a) 10 Kg
b) 25 Kg
c) 35 Kg
d) 50 Kg
View Answer
Explanation: Make solid and water balance.
10. How much water was evaporated?
a) 10 Kg
b) 25 Kg
c) 35 Kg
d) 50 Kg
View Answer
Explanation: Evaporated water = Initial amount of solution – Final amount of solution.
Sanfoundry Global Education & Learning Series – Chemical Process Calculation.
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