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GATE (CE) : ENVIRONMENTAL ENGINEERING #1 (App update required to attempt this test)
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Question 1
If the average daily demand of society is 6 MLD . Then calculate the max hourly demand
Question 2
Find the coincident draft of a city with population 150000 having per capita demand of 225 litres per day.
Question 3
The population of a city at previous consecutive census years was 500000, 610000, 735000 and 11,47000. The anticipated population after four consecutive census to the nearest 10000 will be [Use incremental increase method]
Question 4
The hardness of a ground water sample was found to be 
A softener containing ion exchange resins was installed to reduce the total hardness to 75 mg/L as 
before supplying to 4 households. Each household gets treated water at a rate of 540 L/day. If the efficiency of the softener is 100%, the bypass flow rate (expressed in L/day) is _____________.
A softener containing ion exchange resins was installed to reduce the total hardness to 75 mg/L as before supplying to 4 households. Each household gets treated water at a rate of 540 L/day. If the efficiency of the softener is 100%, the bypass flow rate (expressed in L/day) is _____________. Question 5
Effluent from an industry 'A' has a pH of 4.2. The effluent from another industry 'B' has double the hydroxyl (OH-) ion concentration than the effluent from industry 'A'. pH of effluent from the industry 'B' will be ____________
Question 6
The analysis of a water sample produces the following results:
The total hardness (in mg/L as CaCO3) of the water sample is _____
The total hardness (in mg/L as CaCO3) of the water sample is _____
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