The underground sources of water, is from______________?

Related Mcqs:

1. For determining the velocity of flow of underground water, the most commonly used non-empirical formula is________________?

   A. Darcy’s formula B. Slichter’s formula C. Hazen’s formula D. Lacy’s formula...

2. 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...

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

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

4. According to IS : 1172-1963, a minimum of 135 litres of water capita per day, is required for________________?

   A. Boarding schools B. Nurses home and medical quarters C. hostels D. all the above...

5. Acidity in water is caused due to_______________?

   A. Mineral acids B. Free CO2 C. Iron sulphate D. Aluminium sulphate E. All the above...

6. In slow sland filters, the turbidity of raw water can be removed only up to_________________?

   A. 60 mg/litre B. 75 mg/litre C. 100 gm/litre D. 150 mg/litre...

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

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

8. Aeration of water is done to remove______________?

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

9. 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...

10. As per IS : 1172-1963, water required per head per day for average domestic purposes, is_______________?

    A. 50 litres B. 65 litres C. 85 litres D. 105 litres E. 135 litres...