Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 25 50 70 85 25 50 70 85 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Grit chamber Detritus tank Skimming tank Trickling filter Grit chamber Detritus tank Skimming tank Trickling filter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Highly Very extremely Moderately Extremely Highly Very extremely Moderately Extremely ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Coal based thermal power plants Pulp and paper plant Metallurgical roasting & smelting plant Petroleum refineries Coal based thermal power plants Pulp and paper plant Metallurgical roasting & smelting plant Petroleum refineries ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Idle running Cruising Acceleration Deaccelaration Idle running Cruising Acceleration Deaccelaration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 2000 5 1000 500 2000 5 1000 500 ANSWER DOWNLOAD EXAMIANS APP
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