Exam Details
| Subject | Environmental Engineering | |
| Paper | ||
| Exam / Course | Diploma in Civil Engineering (DCLE) | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2015 | |
| City, State | new delhi, |
Question Paper
1. Choose the correct alternative.
As per National Building Code, domestic consumption of water in an Indian city under normal conditions, has been taken as
135 kilolitre/head/day
150 kilolitre/head/day
135 litre/head/day
150 litre/head/day
Which source of water, among the following is not an underground source of water
Wells
Rivers
Springs
Infiltration galleries
Which is the unit of turbidity
MTU
KTU
JTU
LTU
SPT in reference to water treatment stands for
Special Plate Count Test
Standard Plate Count Test
Specific Plate Count Test
Standard Phenolic Test
Which of the following is used to determine the colour of water?
Turbidity meter
Nanometer
Tintometer
None of the above
Which of these is not a disinfectant
Silver
Iodine
Sodium aluminate
None of the above
Activated sludge is the
aerated sludge in the aeration unit
sludge settled in the humus tank.
sludge in the secondary tank after aeration and rich in microbial mass
sludge in the secondary tank. after aeration and rich in nutrients
List the commonly used underground water sources and discuss anyone of them.
What do you understand by domestic water requirement Give the approximate break-up of various types of water requirement, if daily demand of water is 270 lpcd.
What is coagulation Discuss the two commonly used coagulants used In the treatment of water.
Differentiate between Grab and Composite methods of sampling of water.
4. With the help of a neat sketch, discuss the main components and working of a Rapid sand filter.
5. What is a manhole? Discuss the various types of manholes with their relative advantages.
6. Discuss the working principle of activated sludge process. Also draw a flow diagram in schematic form of a wastewater treatment plant that includes activated sludge process.
7. Write short notes on any four of the following:
Turbidity
Sludge Conditioning
Water Re-use
Jet Pumps
Corrosion of Pipes
Spigot and Socket Joint
As per National Building Code, domestic consumption of water in an Indian city under normal conditions, has been taken as
135 kilolitre/head/day
150 kilolitre/head/day
135 litre/head/day
150 litre/head/day
Which source of water, among the following is not an underground source of water
Wells
Rivers
Springs
Infiltration galleries
Which is the unit of turbidity
MTU
KTU
JTU
LTU
SPT in reference to water treatment stands for
Special Plate Count Test
Standard Plate Count Test
Specific Plate Count Test
Standard Phenolic Test
Which of the following is used to determine the colour of water?
Turbidity meter
Nanometer
Tintometer
None of the above
Which of these is not a disinfectant
Silver
Iodine
Sodium aluminate
None of the above
Activated sludge is the
aerated sludge in the aeration unit
sludge settled in the humus tank.
sludge in the secondary tank after aeration and rich in microbial mass
sludge in the secondary tank. after aeration and rich in nutrients
List the commonly used underground water sources and discuss anyone of them.
What do you understand by domestic water requirement Give the approximate break-up of various types of water requirement, if daily demand of water is 270 lpcd.
What is coagulation Discuss the two commonly used coagulants used In the treatment of water.
Differentiate between Grab and Composite methods of sampling of water.
4. With the help of a neat sketch, discuss the main components and working of a Rapid sand filter.
5. What is a manhole? Discuss the various types of manholes with their relative advantages.
6. Discuss the working principle of activated sludge process. Also draw a flow diagram in schematic form of a wastewater treatment plant that includes activated sludge process.
7. Write short notes on any four of the following:
Turbidity
Sludge Conditioning
Water Re-use
Jet Pumps
Corrosion of Pipes
Spigot and Socket Joint
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
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- School of Translation Studies and Training (SOTST)
- School of Vocational Education and Training (SOVET)
- Staff Training & Research in Distance Education (STRIDE)
Subjects
- Advanced Survey
- Applied Mechanics
- Chemistry
- Computer Basics
- Concrete Technology
- Construction Drawing
- Construction Technology- I
- Construction Technology- II
- E/M Engineering
- Electrical Technology
- Electronics
- Elementary Civil Engineering
- Elements of Survey
- Engineering Drawing
- Engineering Materials
- Environmental Engineering
- Estimating & Quantity Surveying- I
- Estimating & Quantity Surveying- II
- Fluid Mechanics
- Heat Power Technology
- Industrial Management
- Machine Drawing
- Mathematics-I
- Mathematics-II
- Physics
- Refrigeration & Air-Conditioning
- Strength of Materials
- Theory of Structures- I
- Theory of Structures- II
- Workshop Technology