The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is___________________?

Related Mcqs:

Pick up the correct statement from the following ?

A. Maximum daily flow = 2 times the average daily flow B. Maximum daily flow = average daily flow C. Sewers are designed for minimum permissible velocity at minimum flow D. All the above...

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...