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
A. Darcy’s formula
B. Slichter’s formula
C. Hazen’s formula
D. Lacy’s formula
A. Clay
B. Sand
C. Silt
D. Coarse gravel
The specific retention is least in case of_______________? Read More »
Water Supply Engineering A. size of the city
B. climatic conditions
C. pressure in water mains
D. cost of water
E. all the above
The factor affecting per capita demand, is___________________? Read More »
Water Supply Engineering A. Boarding schools
B. Nurses home and medical quarters
C. hostels
D. all the above
Pick up the incorrect statement from the following?
A. wells
B. springs
C. infiltration wells
D. storage reservoirs
E. none of these
The underground sources of water, is from______________? Read More »
Water Supply Engineering A. 1500 m
B. 1505 m
C. 1475 m
D. 1485 m
A. 7.2 mm
B. 7.9 mm
C. 8.6 mm
D. 10 mm
The least thickness of class B cast iron (spun) pipe, is_________________? Read More »
Water Supply Engineering A. calcium sulphate
B. magnesium sulphate
C. calcium nitrate
D. calcium bicarbonate
E. none of these
By boiling water, hardness can be removed if it is due to_________________? Read More »
Water Supply Engineering A. light in weight and easy to transport
B. highly resistant to corrosion
C. high flexible to accommodate deflection upto 12°
D. very much smooth and hydraulically efficient
E. all the above
Asbestos pipes are ______________? Read More »
Water Supply Engineering A. lower point
B. higher point
C. junction points
D. any where
In distribution pipes, drain valves are provided at_______________? Read More »
Water Supply Engineering