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Civil Set-1
Environmental Engineering
97

Environmental Engineering MCQ with Answers

97) The design discharge for the combined sewer system shall be taken as

equal to rainfall

rainfall + DWF

rainfall + 2 DWF

rainfall + 6 DWF

Answer is:

rainfall + 2 DWF

Environmental Engineering MCQ with Answers

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Related Environmental Engineering MCQ with Answers

98) The minimum and maximum diameters of sewers shall preferably be

15 cm and 100 cm

15 cm and 300 cm

30 cm and 450 cm

60 cm and 300cm

Answer is:

15 cm and 300 cm

99) The main disadvantage of cement concrete sewers is

less strength

difficulty in construction

difficulty in transportation due to heavy weight

less life

Answer is:

difficulty in transportation due to heavy weight

100) Most suitable section of sewer in separate sewage system is

rectangular section

circular section

standard form of egg shaped sewer

modified egg shaped section

Answer is:

circular section

101) An egg shaped section of sewer

is economical than circular section

provides self cleansing velocity at low discharges

is more stable than circular section

is easy to construct

Answer is:

provides self cleansing velocity at low discharges

Environmental Engineering MCQ with Answers

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