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.Management Sciences
A. More than the self-cleansing velocity
B. Less than the self-cleansing velocity
C. Less than 10 m/sec
D. More than 20 m/sec
Related Mcqs:
- For efficient working of a sewer, it must be ensured that _____________?
- A. Minimum velocity of 0.45 m/sec, is maintained at its minimum flow B. A maximum velocity of 0.90 m/sec, is maintained at its maximum flow C. Both A. and B. D. Neither A. nor B....
- In a sludge tank, the gas mainly produced, is_________________?
- A. Oxygen B. Nitrogen C. Hydrogen D. Carbon dioxide...
- Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is__________________?
- A. pt = 3H3p/2 Z5 B. pt = 2H3p/3 Z5 C. pt = 3H3p/2Z5 D. pt = 2 3p/3Z5...
- If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains__________________?
- A. Hydrogen sulphide B. Carbon dioxide C. Methane D. Oxygen...
- Pick up the correct statement from the following?
- A. pH value indicates acidity and alkalinity of sewage B. In acidic sewage, the pH value is less than 7 C. In alkaline sewage, the pH value is more than 7 D. All the above...
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