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: If the flame of a miner’s safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains_______________?
- Hydrogen sulphide
- Carbon dioxide
- Methane
- Oxygen
C
MCQ: The Chezy’s constant C in the formula V = C_________________?
- Size of the sewer
- Shape of the sewer
- Roughness of sewer surface
- All the above
D
MCQ: For the open drain (N = 0.025) shown in the below figure, the discharge is________________?
- 26.88 cumecs
- 27.88 cumecs
- 28.88 cumecs
- 29.88 cumecs
C
MCQ: Assertion A.: The determination of pH value of sewerage is important. Reason (R): The efficiency of certain treatment methods depends upon the availability of pH value________________?
- Both A and R are true and R is the correct explanation of A
- Both A and R are true but R is not a correct explanation of A
- A is true but R is false
- A is false but R is true
A
MCQ: The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is__________________?
- 0.10 cumec
- 0.12 cumec
- 0.15 cumec
- 0.20 cumec
C
MCQ: The rational formula for peak drainage discharge, was evolved by_________________?
- Fruhling
- Lloyd David
- Kuichling
- All of these
D
MCQ: Dry weather flow is__________________?
- Average daily rate of flow
- Average monthly rate of flow
- Average annual rate of flow
- Water supply allowance per capital
D
MCQ: ¾th or ¼th extra space is left in sewer pipes at maximum discharge for_________________?
- Low estimates of the average and maximum flows
- Large scale infiltration of storm water
- Unexpected increase in population
- All the above
D
MCQ: Aerobic bacterias___________________?
- Flourish in the presence of free oxygen
- Consume organic matter as their food
- Oxidise organic matter in sewage
- All the above
D
MCQ: Traps_________________?
- Are water seals which prevent the entry of foul gases
- Are used to trap the rats entering sewers
- Dissolve the foul gases
- Create symphonic action to increase the quick disposal of sewerage
A