Waste Water Engineering A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of Carbondioxide gas Hydrogen sulphide gas Methane gas Petrol vapours Carbondioxide gas Hydrogen sulphide gas Methane gas Petrol vapours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer pipes Should resist the wear and tear caused due to abrasion All listed here Are designed for generating self-cleansing velocities at different discharge Carry sewage as gravity conduits Should resist the wear and tear caused due to abrasion All listed here Are designed for generating self-cleansing velocities at different discharge Carry sewage as gravity conduits ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? The minimum width of septic level is 90 cm A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The depth of tank is kept equal to its width The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The minimum width of septic level is 90 cm A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The depth of tank is kept equal to its width The outlet invert level is kept 5 to 7.5 cm below the inlet invert level ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is 0.30 m/sec 0.40 m/sec 0.45 m/sec 0.35 m/sec 0.30 m/sec 0.40 m/sec 0.45 m/sec 0.35 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 90 days 15 days 60 days 30 days 90 days 15 days 60 days 30 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Antisyphonage pipe is fitted On manholes With a W.'trap At the beginning of sewer line At the end of septic tanks On manholes With a W.'trap At the beginning of sewer line At the end of septic tanks ANSWER DOWNLOAD EXAMIANS APP
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