Water Supply and Sanitary

101) Incrustation of the tubewell pipes m result in

Discuss in Comment

reduced discharge from tubewell

102) The primary pollutant caused by incomplete combustion of organic matter is

Discuss in Comment

carbon monoxide

103) Temporary hardness in water is caused by the presence of

Discuss in Comment

bicarbonate of Ca and Mg

104) Which one of the following solid waste disposal methods is ecologically most acceptable?

Discuss in Comment

Compositing

105) Which of the following pairs is not correctly matched?

Discuss in Comment

C.O.D…Biodegradability of wastewater

106) Ringelmann’s scale is used to

Discuss in Comment

grade density of smoke

107) Non-disposal of solid waste may cause the spread of

Discuss in Comment

rodents related plague

108) Storage of water by impounding is required where

Discuss in Comment

there is a large variation in quantity of the river flow from time to time

109) The two main gases liberated from an anaerobic sludge digestion tank would include

Discuss in Comment

carbon dioxide and methane

110) If the methyl orange alkalinity of water equals or exceeds total hardness, all of the hardness is

Discuss in Comment

carbonate hardness

Subject Notes

Objective Box

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