B.TechSemester 62024-25Environmental EngineeringBCE603

Environmental Engineering (BCE603) - AKTU Question Paper 2024-25

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 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 6

Session:2024-25

University:AKTU / UPTU

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Questions Asked in 2024-25

Environmental Engineering (BCE603) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 02 x 7 = 14

a
Define “freshwater resource” and name two major factors that i nfluence domestic water consumption
b
What is SCADA? How is it used in water distribution monitoring ?
c
Define turbidity and mention its significance in water quality assessment
d
What is coagulation in water tre atment? Give one common coagulant
e
Explain aerobic decomposition
f
What is Theoretical Oxygen demand?
g
What is coincident draft?

Section BAttempt any three of the following: 07 x 3 = 21

a
Describe any two methods of population forecasting for water demand estimation, with examples
b
Explain the design considerations and layout of service rese rvoirs in a water distribution system
c
Discuss the environmental impa ct of wastewater disposal on l and and water bodies. What are the indicators of contamination?
d
Describe the operations of sedimentation and filtration used in water treatment, with sketches
e
Describe the activated sludge p rocess with a flow diagram. W hat are its operational challenges?

Section CAttempt any one part of the following: 07 x 1 = 07

a
Evaluate three different met hods for detecting and controlli ng leakage in aged distribution mains, comparing their effectiveness, cost, and operational challenges
b
Given a town whose population grew from 50 000 to 60 000 ove r ten years, apply both arithmetic and geometric methods to forecast its populatio n after the next ten years, and comment on which is more appropriate under rapid urbanization
a
What are various methods of layout of distribution system? D escribe the design and layout features of any two. Highlight their advantages and limitations
b
How does GIS enhance water di stribution network analysis? Provide an example
a
Explain the importance of pH, turbidity, BOD, COD, TDS, heav y metals, and nutrients
b
A wastewater sample has an initial DO of 8 mg/L and a final DO of 2 mg/L after 5 days. If the sample dilution is 1:50, calculate the BOD₅
a
Design a rapid sand filter for a given raw water flow rate o f 100 m³/hr; include layout and sizing
b
Explain various disinfection techniques. Discuss their advantages and limitations
a
Sketch and describe the working principle of an Up flow Anae robic Sludge Blanket (UASB) reactor
b
Explain the design and appli cation of constructed wetlands f or tertiary wastewater treatment

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.

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