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Environmental Engineering
Sources and Coveyances Water
Marks 1Marks 2
Quality Control of Water
Marks 1Marks 2
Treatment of Water
Marks 1Marks 2
Water Demand
Marks 1Marks 2
Waste Water Characteristics
Marks 1Marks 2
Sewage System and Sewer Appurtenances
Marks 1
Treatment of Sewage
Marks 2
Disposal of Sewage Effluent
Marks 1Marks 2
Solid Waste Management
Marks 1Marks 2
Air Pollution
Marks 1Marks 2
Noise Pollution
Marks 1
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1
GATE CE 2002
MCQ (Single Correct Answer)
+1
-0.3
In natural water, hardness is mainly caused by
A
$$Ca^{++}$$ and $$Mn^{++}$$
B
$$Ca^{++}$$ and $$Fe^{++}$$
C
$$Na^{+}$$ and $$K^{+}$$
D
$$Ca^{++}$$ and $$Mg^{++}$$
2
GATE CE 1999
MCQ (Single Correct Answer)
+1
-0.3
Temporary hardness in water is caused by the presence of
A
Bicarbonates of Ca and Mg
B
Sulphates of Ca and Mg
C
Chlorides of Ca and Mg
D
Nitrates of Ca and Mg
3
GATE CE 1998
MCQ (Single Correct Answer)
+1
-0.3
The microbial quality of treated piped water supplies is monitored by
A
Microscopic examination
B
Plate count of heterotrophic bacteria
C
Coliform MPN test
D
Identification of all pathogens
4
GATE CE 1997
MCQ (Single Correct Answer)
+1
-0.3
MPN index is measure of one of the following:
A
Coliform bacteria
B
$$BOD_5$$
C
Dissolved Oxygen content
D
Hardness
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Questions Asked from Marks 1
GATE CE 2025 Set 2 (1) GATE CE 2024 Set 1 (1) GATE CE 2023 Set 1 (1) GATE CE 2022 Set 2 (1) GATE CE 2022 Set 1 (2) GATE CE 2016 Set 2 (1) GATE CE 2015 Set 2 (1) GATE CE 2014 Set 1 (1) GATE CE 2007 (2) GATE CE 2005 (1) GATE CE 2004 (1) GATE CE 2002 (1) GATE CE 1999 (1) GATE CE 1998 (1) GATE CE 1997 (2)
GATE CE Subjects
Engineering Mechanics
Strength of Materials Or Solid Mechanics
Structural Analysis
Construction Material and Management
Reinforced Cement Concrete
Steel Structures
Geotechnical Engineering
Fluid Mechanics and Hydraulic Machines
Hydrology
Irrigation
Geomatics Engineering Or Surveying
Environmental Engineering
Transportation Engineering
Engineering Mathematics
General Aptitude