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This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Waste Water Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
The treatment options for an elevated total dissolved solid depends on _______ |
A. | Quantity of water |
B. | Nature of ions |
C. | Nature of suspended solids |
D. | Type of microbes |
Answer» C. Nature of suspended solids | |
2. |
What is the secondary standard for TDS? |
A. | 400 mg/l |
B. | 500 mg/l |
C. | 600 mg/l |
D. | 700 mg/l |
Answer» C. 600 mg/l | |
3. |
The primary dissolved solids are assumed to be _________ |
A. | KI |
B. | KCl |
C. | MnCl |
D. | AlCl |
Answer» C. MnCl | |
4. |
On which of the factors does the relationship between TDS and conductivity does not depend on? |
A. | Type of ions |
B. | Nature of ions |
C. | Nature of suspended solids |
D. | Type of microbes |
Answer» E. | |
5. |
What is the standard for TDS for aesthetic considerations? |
A. | 250 mg/l |
B. | 500 mg/l |
C. | 750 mg/l |
D. | 1000 mg/l |
Answer» C. 750 mg/l | |
6. |
What is the temperature required to remove occluded water? |
A. | 170˚C |
B. | 180˚C |
C. | 190˚C |
D. | 200˚C |
Answer» C. 190˚C | |
7. |
At what temperature is the filtrate dried in a TDS laboratory test? |
A. | 100˚C |
B. | 102˚C |
C. | 103˚C |
D. | 105˚C |
Answer» D. 105˚C | |
8. |
TDS decreases the efficiency of hot water heaters. |
A. | True |
B. | False |
Answer» B. False | |
9. |
_______ is used as an indicator test to determine the general quality of the water. |
A. | Oxidation test |
B. | Reduction test |
C. | Total dissolved solids test |
D. | Organic test |
Answer» D. Organic test | |
10. |
Total dissolved solids consist of cations only. |
A. | True |
B. | False |
Answer» C. | |
11. |
_______ is the universal solvent. |
A. | Organic solvents |
B. | Inorganic solvents |
C. | Water |
D. | Acid |
Answer» D. Acid | |
12. |
Cations with ______ increase corrosivity. |
A. | Bromide |
B. | Chloride |
C. | Iodide |
D. | Sulphide |
Answer» C. Iodide | |