A. 5 day BOD is the ultimate BOD
B. 5 day BOD is greater than 4 day BOD keeping other conditions same
C. 5 day BOD is less than 4 day BOD keeping other conditions same
D. BOD does nof depend on time
Environmental Engineering
Environmental Engineering
1) presumptive coliform test
2) confirmed coliform test
3) completed coliform test
The correct answer is ?
A. only (1)
B. both (1) and (2)
C. both (1) and (3)
D. all (1), (2) and (3)
A. aquifers
B. aquiclude
C. filters
D. intakes
1) climatic conditions
2) quality of water
3) distribution pressure
The correct answer is?
A. only (1)
B. both (1) and (2)
C. both (1) and (3)
D. all (1), (2) and (3)
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true
A. use of metering system
B. good quality of water
C. better standard of living of the people
D. hotter climate
A. 100000m3
B. 150000m3
C. 180000m3
D. 270000 m3
A. lesser value
B. higher value
C. same value
D. accurate value
A. arithmetical increase method
B. geometrical increase method
C. incremental increase method
D. graphical method
A. N = y + R
B. y = N + R
C. R = N + y
D. R > (N + y)
