The bacterias which require free oxygen for their survival, are called
High pH value of water does not produce
The type of pipe commonly used in water supply distribution schemes, is
The depth of the water table at a place ism below the general ground level. To lift water from a deep tube well in such a locality, the type of pump to be installed is
The fire demand for a city ofpopulation, according to Godrich formula, is
To detect the turbidity of the order of 0 toP.P.M. the instrument used is
Most commonly used section in grade aqueducts, is
In pumping stations, the type of joint generally used, is
Sluice valves are fitted in a distribution system
Maximum threshold number permitted for indicating the odour of public water supplies, is
Distribution of wash water is provided in
Critical time for developing a water hammer, is the time required for
The efficiency of sedimentation tank does not depend upon
Standard process of chlorination of water, is done by
The permissible pH value for public water supplies may range between
The detention period for plain sedimentation water tanks, is usually
litres of water per person per day, is provided in
The valves provided at low points of pipes to drain off water quickly under gravity, are called
The population of a city inisThe average per decade of the previous records of population isand average percentage per decade is 20%. The population of the city based on geometrical increase method, in the yearwill be
The rate of silting in a reservoir
When the reduced level of the water source is higher than the reduced level of the consumer's place, water is generally supplied
If the chosen diameter of a pipe, is less than the economical diameter
The lowest outlet sluice in a dam is provided
The strainer type tube well, is unsuitable for
The maximum permitted loss of head in a rapid sand filter, is
Turbidity of water may be caused due to
Pick up the incorrect statement from the following :
Estimates of a water supply project depends upon the rate of water supply per capita consumption and probable population estimated at the end of the design period of
Please disable the adBlock and continue. Thank you.