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For providing an Indian type W.C., the R.C.C. slabs in the toilet portion
Therefore, the correct option is 'C', which states that the R.C.C slab in the toilet portion should be sunk by 50 cm to accommodate the Indian type W.C.
Therefore, the correct option is ‘C’, which states that the R.C.C slab in the toilet portion should be sunk by 50 cm to accommodate the Indian type W.C.
See lessThe digested sludge from septic tanks, is removed after a maximum period of
Sludge withdrawal: Half-yearly or yearly desludging of the septic tank is desirable. Small domestic tanks, for economic reasons, maybe cleaned at least once in 2 years provided the tank is not overloaded due to use by more than the number for which it is designed.
Sludge withdrawal: Half-yearly or yearly desludging of the septic tank is desirable. Small domestic tanks, for economic reasons, maybe cleaned at least once in 2 years provided the tank is not overloaded due to use by more than the number for which it is designed.
See lessRate of flow of sewage is generally assumed
Generally 80 percent of the water supply may be expected to reach the sewers unless there is data available to the contrary. However the sewers should be designed for a minimum waste water flow of 100 liters percapita per day.
Generally 80 percent of the water supply may be expected to reach the sewers unless there is data available to the contrary. However the sewers should be designed for a minimum waste water flow of 100 liters percapita per day.
See lessThe clarigesters are
A clarigester treats dilute biodegradable feedstocks and separates out solid and hydraulic (liquid) retention times. The anaerobic clarigester is a form of anaerobic digester. It is regarded as being the ancestor of the UASB anaerobic digester.
A clarigester treats dilute biodegradable feedstocks and separates out solid and hydraulic (liquid) retention times. The anaerobic clarigester is a form of anaerobic digester. It is regarded as being the ancestor of the UASB anaerobic digester.
See lessIf the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is
Standard BOD is determined at 5 days incubation at 20° C
Standard BOD is determined at 5 days incubation at 20° C
See lessThe most dangerous pollutant in vehicular emissions is
Carbon monoxide (CO) is the most dangerous pollutant. They are formed when organic compounds are burned in the presence of oxygen. Exhaust gases from automobiles, engine fumes, fire smoke, and non-electric heaters are the foremost common source of carbon monoxide gas production.
Carbon monoxide (CO) is the most dangerous pollutant. They are formed when organic compounds are burned in the presence of oxygen. Exhaust gases from automobiles, engine fumes, fire smoke, and non-electric heaters are the foremost common source of carbon monoxide gas production.
See lessIn sewers the effect of scouring is more on
The effluent of a septic tank is. A. Fit for discharge into any open drain. B. Foul and contains dissolved and suspended solids Bottom side
The effluent of a septic tank is. A. Fit for discharge into any open drain. B. Foul and contains dissolved and suspended solids Bottom side
See lessRemoval of oil and grease from sewage, is known
The correct option is D skimming.
The correct option is D skimming.
See lessIn SI units the power of sound is represented in
The SI unit of sound or more precisely frequency is hertz denoted by Hz. The sound intensity is the sound of power per unit area, that is the SI unit is watt per square meter W/m2.
The SI unit of sound or more precisely frequency is hertz denoted by Hz. The sound intensity is the sound of power per unit area, that is the SI unit is watt per square meter W/m2.
See lessFor evaporation and measurement of settlable solids, the apparatus used, is
At the end of the given time period the amount of solid material that has settled to the bottom of the Imhoff cone is measured in mL/Liter. In measuring for settleable solids the samples can be either a grab sample or a composite sample.
At the end of the given time period the amount of solid material that has settled to the bottom of the Imhoff cone is measured in mL/Liter. In measuring for settleable solids the samples can be either a grab sample or a composite sample.
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