Environmental Engineering MCQ with Answers

Environmental Engineering MCQ with Answers

141) For the same solid content, if the quantity of sludge with moisture content of 98% is X, then the quantity of sludge with moisture content of 96% will be

Answer is:

X/2

142) A pipe which is installed in the house drainage to preserve the water seal of traps is called

Answer is:

antisiphonage pipe

143) The pipe which is used to carry the discharge from sanitary fittings like bath rooms, kitchens etc. is called

Answer is:

waste pipe

144) The gas from sludge digestion tank is mainly composed of

Answer is:

methane

145) Most of the bacteria in sewage are

Answer is:

saprophytic