A. 50 litres
B. 65 litres
C. 85 litres
D. 105 litres
E. 135 litres
Related Mcqs:
- 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 - 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 - 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 - 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 - 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 - 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 - Disinfection of drinking water, is done to remove_________________?
A. odour
B. bacterias
C. turbidity
D. colour - 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 - Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be________________?
A. nil
B. 5
C. 10
D. 15
E. 20 - Aeration of water is done to remove______________?
A. odour
B. colour
C. bacterias
D. hardness
E. turbidity
