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.Management Sciences
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not a correct explanation of A
C. A is true but R is false
D. A is false but R is true
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- Pick up the correct statement from the following?
- A. In treated sewage, 4 ppm of D.O. is essential B. Only very fresh sewage contains some dissolved oxygen C. The solubility of oxygen in sewage is 95% that is in distilled water D. All the above...
- Pick up the correct statement from the following?
- A. Hydrogen sulphide gas in excess, may cause corrosion of concrete sewers B. 4 ppm of Dissolved Oxygen (D.O.) is ensured before discharging the treated sewage in river C. Solubility of oxygen in sewage is 95% of that of distilled water D. All the above...
- Primary treatment of sewage consists of removal of__________________?
- A. Large suspended organic solids B. Oil and grease C. Sand and girt D. Floating materials...
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- A rain sanitary sewer is constructed to carry_________________ ?
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