Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Removal of permanent hardness Weed control in reservoirs Taste & odour control Disinfection Removal of permanent hardness Weed control in reservoirs Taste & odour control Disinfection ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. Electometric Presumptive Total count EDTA Electometric Presumptive Total count EDTA 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 Deaccelaration Acceleration Cruising Idle running Deaccelaration Acceleration Cruising ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Reduction in hardness, silica & alumina in feed water Preheating of feed water Eliminating H₂S in feed water Keeping the pH value of feed water just below 7 Reduction in hardness, silica & alumina in feed water Preheating of feed water Eliminating H₂S in feed water Keeping the pH value of feed water just below 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? Hydrocarbons CO SO₂ H₂S Hydrocarbons CO SO₂ H₂S ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 1-2 2000-3000 150-300 5-10 1-2 2000-3000 150-300 5-10 ANSWER DOWNLOAD EXAMIANS APP