General

Question 1

Glucose

Answer 1

C6 H12 O6

Reaction:
C6 H12 O6 + 6O2 = 6CO2 + 6H2O

Question 2

Specific Weight of Water

Answer 2

62.4 pcf

Question 3

1 Gallon = ____ cf

Answer 3

1 Gallon = 7.48 cf

Question 4

PPD FORMULA

Answer 4

Q (MGD) x Conc. (mg/L) x 8.34 = ppd

Question 5

1 MGD = ____ cfs

Answer 5

1MGD = 1.55 cfs

Question 6

1 cfs = ____ gpm

Answer 6

1 cfs = 449 gpm

Question 7

Fecal coliform:

Uses:

Answer 7

Found in intestines, therefore used as indicators for potential presence of other harmful pathogens (from feces)

Question 8

What crane can be used to build a 15 floor building

Answer 8

Tower Crane

Question 9

Effect of euthrophication in lakes’ pH during day and night:

Answer 9

At night algae produce CO2 and pH decreases, therefore if you increases O2 pH increases

Question 10

Jambu - Taylors stability number relationship

Answer 10

Inversely Proportional
No = 1 / Ns

Question 11

Eutrophication can only support:

Warm or cold water fish?

Answer 11

Warm due to interaction with surface, cold water in the bottom