The fire demand of a city may be worked out by _________________?

Related Mcqs:

1. 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______________________?

   A. 1880 kilo litres B. 2880 kilo litres C. 3880 kilo litres D. 4880 kilo litres...

2. The factor affecting per capita demand, is___________________?

   A. size of the city B. climatic conditions C. pressure in water mains D. cost of water E. all the above...

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

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

4. Corrosion of well pipes may not be reduced by_________________?

   A. reducing the draw down and the pumping rate B. reducing the flow velocity C. using thicker pipes D. using screens having larger area of openings E. none of these...

5. The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may be expected at the point of reduced level_______________?

   A. 1500 m B. 1505 m C. 1475 m D. 1485 m...

6. 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...

7. Disinfection of drinking water, is done to remove_________________?

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

8. The specific retention is least in case of_______________?

   A. Clay B. Sand C. Silt D. Coarse gravel...

9. Sunlight_________________ ?

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

10. The least thickness of class B cast iron (spun) pipe, is_________________?

    A. 7.2 mm B. 7.9 mm C. 8.6 mm D. 10 mm...