Environmental Engineering (KCE603) - AKTU Question Paper 2021-22
B.Tech · Semester 6 · Free PDF Download
This is the official AKTU Environmental Engineering Previous Year Question Paper for B.Tech Semester 6, academic session 2021-22. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
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Questions Asked in 2021-22
Environmental Engineering (KCE603) — complete question paper
- aDefine “per capita demand”? 1
- bDefine “Design Period”? 1
- cExplain the function of di stribution reservoir. 2
- dWhat is ‘Reservoir yield’? 2
- eWhat guidelines EPA has set for suspended solids? 3
- fDefine ‘dissolved material’? 3
- gDifferentiate between Unit Operation & Unit Process? 4
- hWhat is the difference between “Disinfection” & “Sterilizat ion” 4 (i) Explain Aerobic decomposition? 5 (j) Define wastewater treatment? 5
- aExplain the suitabilit y of any four population forecasting methods? 1
- bExplain with neat sketch any one type of surface reservoir? 2
- cExplain in detail about o rganics in wastewater? 3
- dA rectangular settling tank is to treat 1.8 million litres per day of raw water. The sedimentation period is to be 4 hours, the velocity of flow 8 cm/minute, and the depth of the water and sediment 4.2 m. If an allowance of 1.2 m for sediment is made, what should be Length and Width of the basin
- eBriefly explain the wor king of Trickling Filter? 5
- aThe population of a city obtained from the census report is as given below: Year 1960 1970 1980 1990 2000 Population 80000 120000 168000 228000 250000 Calculate the population of the city for the year 2030 by Arith metical increase method, geometric increase method and by Incremental Increase method
- bEstimate the hydraulic gradien t in 2 m dia. Smooth concrete p i p e carrying a discharge of 3 cumecs at 10C temperature by (a) Darcy- Weisbach formula (b) Hazen-William’s formula. Assume all suitable data
- aIllustrate with sketches th e different types of layouts of pipe systems in distributing water?
- bDifferentiate between grav ity and pressure conduits? Pressure conduits are commonly used for conveying water from distant sources to the town for supply, explain why?
- aA sample of wastewater has a 4- day 20 0C BOD value of 75% of final. Find the reaction constant per day?
- bFor a wastewater sample, 5 -day BOD at 20 0C is 200 mg/lt and is 67% of the ultimate. What will be 4-day BOD at 300C
- aDetermine the quantity of alum required in order to treat 1 3 million litres of water per day at a treatment plant, where 12 ppm of a lum dose is required. Also determine the amount of CO 2 gas which will be released per litre of water treated
- bIt is required to supply water to a population of 20,000 at a per capita demand of 150 lpcd. The disinfection used for the chlorination is bleaching powder which contains 30% available chlorine. Determi ne how much of bleaching powder is required annually at the water works of 0.3 ppm of chlorine dose is required for disinfection
- aDiscuss Activated Sludge pro cess with suitable diagram. 5
- bExplain “Vermicomposting” in brief. Also explain advantages o f Vermicomposting
Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.
Repeated Questions — KCE603
Questions that appeared in more than one session, found by comparing 2 years of Environmental Engineering papers (2021-22, 2022-23)
Differentiate between grav ity and pressure conduits? Pressure conduits are commonly used for conveying water from distant sources to the town for supply, explain why?
Appeared in: 2021-22 · 2022-23
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