1
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
2
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
3
GATE CE 1997
MCQ (Single Correct Answer)
+1
-0.3
Alkalinity of water can be defined correctly in one of the following ways
A
it is the measure of ability of water to neutralize oxygen
B
it is the measure of ability of water to neutralize carbonates
C
it is the presence of ions in water that will neutralize hydrogen ions
D
it is the measure of ability of water to neutralize hydroxides
GATE CE Subjects
EXAM MAP