Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank (i) and (iii) Only (iii) Only (i) (i) and (ii) (i) and (iii) Only (iii) Only (i) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Most suitable section of sewer in separate sewage system is Standard form of egg shaped sewer Rectangular section Modified egg shaped section Circular section Standard form of egg shaped sewer Rectangular section Modified egg shaped section Circular section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The distribution mains are designed for Maximum hourly demand on maximum day Maximum daily demand Maximum hourly demand Average daily demand Maximum hourly demand on maximum day Maximum daily demand Maximum hourly demand Average daily demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is Zero Infinite 1 100 Zero Infinite 1 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which Is safe and suitable for drinking and domestic use Is contaminated Consists of undesirable substances rendering it unfit for drinking and domestic use Contains pathogenic bacteria Is safe and suitable for drinking and domestic use Is contaminated Consists of undesirable substances rendering it unfit for drinking and domestic use Contains pathogenic bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 2 to 6 hours 30 to 45 minutes 1 to 2 minutes 2 to 6 days 2 to 6 hours 30 to 45 minutes 1 to 2 minutes 2 to 6 days ANSWER DOWNLOAD EXAMIANS APP