Activated Carbon Treatment MCQs : This section focuses on the "Activated Carbon Treatment". These Multiple Choice Questions (MCQs) should be practiced to improve the Activated Carbon Treatment skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
_______ is produced by passing a carbonaceous material through a heating mechanism at high temperature.
A. Potassium per-manganate
B. Potassium dichromate
C. Activated carbon
D. Iodine
Question 2
Activated carbon can be applied to raw water ______ treatment process.
A. During
B. Ahead of
C. Before
D. After
Question 3
Activated carbon in powder form is applied in the mixing basin.
A. True
B. False
Question 4
Granular activated carbon has a surface area of ____________
A. 100-200m2/g
B. 500-1400m2/g
C. 400-600m2/g
D. 500-900m2/g
Question 5
The dose of activated carbon in powdered form is controlled by ____________
A. Chromatography
B. Distillation
C. Threshold odor test
D. MPN test
Question 6
There are protozoa present in the water. Its name is Dinobryen. What is the dose of copper sulfate required to kill it?
A. 0.02ppm
B. 0.3ppm
C. 0.5ppm
D. 0.8ppm
Question 7
What is the dose of copper sulfate required for the treatment of water?
A. 0.3-0.6ppm
B. 2-6ppm
C. 4-8ppm
D. 10-20ppm
Question 8
When activated carbon is applied at more than one point, then it is called ________
A. Dual treatment
B. Split treatment
C. Sludge treatment
D. Carbonaceous treatment
Question 9
Which of the following is a carbonaceous material?
A. Charcoal
B. Petroleum
C. Hydrogen sulfide
D. Sodium chloride
Question 10
Which of the following is not a property of activated carbon?
A. It is impermeable
B. It has many carbon atoms with free valencies
C. It is available in granular as well as powder form
D. It has a prolonged suspension
Question 11
Which of the following is used for the control of taste and odor in water?
A. Sedimentation
B. Coagulation
C. Filtration
D. Activated carbon