If four fires break out in a city of population 40 lakhs and if each hydrant has three streams and duration of each fire is four hours, the total quantity of water required, is______________________?

Related Mcqs:

The expected discharge to be obtained from an open well sunk in coarse sand is 0.0059 cumec. If the working depression head of the well is 3 m, the minimum diameter of the well, is________________?

A. 2 m B. 2.25 m C. 2.50 m D. 2.75 m E. 3.00 m...

Disinfection of drinking water, is done to remove_________________?

A. odour B. bacterias C. turbidity D. colour...

Sunlight_________________ ?

A. helps growth of bacterias B. impedes growth of algae C. increases dissolved oxygen content D. reduces turbidity...

Average annual rainfall at any station is the average of annual rainfall over a period of________________?

A. 7 years B. 14 years C. 21 years D. 28 years E. 35 years...

Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be________________?

A. nil B. 5 C. 10 D. 15 E. 20...