Environmental Engineering The most common cause of acidity in water is Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The self cleansing velocity for all sewers in India is usually 1.0 m/sec to 1.2 m/sec Less than 1.0 m/sec 3.0 m/sec to 3.5 m/sec 1.5 m/sec to 2.0 m/sec 1.0 m/sec to 1.2 m/sec Less than 1.0 m/sec 3.0 m/sec to 3.5 m/sec 1.5 m/sec to 2.0 m/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are normally designed for 28 - 30 years 15 - 20 years 15 - 28 years 5 - 10 years 28 - 30 years 15 - 20 years 15 - 28 years 5 - 10 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The working conditions in imhoff tanks are anaerobic in lower compartment and aerobic in upper compartment Aerobic in lower compartment and anaerobic in upper compartment Anaerobic only Aerobic only anaerobic in lower compartment and aerobic in upper compartment Aerobic in lower compartment and anaerobic in upper compartment Anaerobic only Aerobic only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The population of a town in three consecutive years are 5000, 7000 and 8400 respectively. The population of the town in the fourth consecutive year according to geometrical increase method is 9500 9800 10920 10100 9500 9800 10920 10100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of coagulant needed for coagulation of water increases with (i) Increase in turbidity of water (ii) Decrease in turbidity of water (iii) Increase in temperature of water (iv) Decrease in temperature of water The correct answer is (ii) and (iii) (ii) and (iv) (i) and (ii) (i)and(iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i)and(iv) ANSWER DOWNLOAD EXAMIANS APP