Waste Water Engineering Mcqs
Waste Water Engineering Mcqs, this topic has 314 mcqs, It takes five to ten minutes to complete this free Waste Water Engineering Mcqs test. You will see 4 or 5 option of each question. You must choose / think only one option and then press on answer key for check right answer. Practice "Waste Water Engineering Mcqs" MCQs and share with your friends, brothers, sisters.
Waste Water Engineering Mcqs (Total Quiz: 314)
MCQ: The asbestos cement sewers are_________________?
- Light in weight
- Not structurally strong to bear large compressive stress
- Susceptible to corrosion by sulphuric acid
- All the above
D
MCQ: Bottom openings 15 cm × 15 cm in the standing baffle wall are provided________________?
- 15 cm c/c
- 22.5 cm c/c
- 30 cm c/c
- 50 cm c/c
B
MCQ: For drainage pipes in buildings the test applied before putting them to use, is__________________?
- Water test
- Smoke test
- Straightness test
- All the above
B
MCQ: For a continuous flow type of sedimentation tanks__________________?
- Width of the tank is normally kept about 6 m
- Length of the tank is normally kept 4 to 5 times the width
- Maximum horizontal flow velocity is limited to 0.3 m/minute
- All the above
D
MCQ: For efficient working of a sewer, it must be ensured that _____________?
- Minimum velocity of 0.45 m/sec, is maintained at its minimum flow
- A maximum velocity of 0.90 m/sec, is maintained at its maximum flow
- Both A. and B.
- Neither A. nor B.
C
MCQ: The pressure exerted by_____________?
- The sewage when running full from inside, is called internal pressure
- The internal pressure if any, causes tensile stress in the pipe material
- Pressure sewers are designed to be safe in tension
- All the above
D
MCQ: No treatment of the sewage is given if dilution factor is_____________?
- Less than 150
- Between 150 to 200
- Between 200 to 300
- More than 500
D
MCQ: Acid regression stage of sludge digestion at a temperature 21°C extends over a period of______________?
- 15 days
- 30 days
- 60 days
- 90 days
D
MCQ: Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is ?
- Centrifugal pump
- Pneumatic ejector
- Reciprocating pump
- None of these
A
MCQ: The coagulant which is generally not used for treating the sewage, is__________________?
- Alum
- Ferric chloride
- Ferric sulphate
- Chlorinated copperas
A