Kingdom of Saudi Arabia
Ministry of Higher Education
Majmaah University
College of Engineering
Quiz-2
Student Name: _____________________________________________________
Academic Number:_________________________________________________
1433-1434
Ziaur Rehman
Water supply and sewage
Engineering
Academic Year:
Instructor:
Course Title:
Semester:
Department:
Course Number:
2
Civil Engineering
CE 362
Fill in the blanks:
1. Calculate the E.C. of a water sample containing T.D.S. = 3500 mg/l (1 mark)
2. Calculate the P and Sample Volume (ml) for BOD test given following data:
S.No.
Sample volume in D.O. initial
300 ml BOD bottle (mg/l)
D.O. final (mg/l)
BOD (mg/l)
1.
?
5.7
350
8.8
3. Define COD?
(2 mark)
(1 mark)
4. Calculate the demand of Al Majmaah City in m3/day having population 35 000 and per capita demand of
water 145 Lt/day.
(1 mark)
5. Write the 4 factors affecting the per capita demand of water?
 .

.

.

.
6. Write the basic design consideration for waste water treatment plant.
(2 mark)
(3 mark)