Environmental Engineering

Question 1

Water Quality Guidelines

Answer 1

DAO 34

Question 2

General Effluent Standards

Answer 2

DAO 35

Question 3

Water Quality Guidelines and General Effluent Standards of 2016

Answer 3

DAO No. 2016-08

Question 4

RA 9275

Answer 4

Clean Water Act

Question 5

Fresh Water salt

Answer 5

500 ppm

Question 6

Marine Water salt

Answer 6

30 ppt

Question 7

drinking water

Answer 7

Class AA

Question 8

drinking water but needs to undergo conventional treatment

Answer 8

Class A

Question 9

bathing, swimming

Answer 9

Class B

Question 10

fishing, boating, fishery water, agriculture, irrigation, livestock, watering

Answer 10

Class C

Question 11

Navigable waters

Answer 11

Class D

Question 12

National or local marine parks, reserves and sanctuaries, shell fish harvest

Answer 12

Class SA

Question 13

Commercial propagation of shellfish, ecotourism and recreational activities, bathing, swimming, skindiving

Answer 13

Class SB

Question 14

propagation and growth of fish and other aquatic resources

Answer 14

Class SC

Question 15

Navigable waters

Answer 15

Class SD

Question 16

grayish color

Answer 16

fresh water

Question 17

black color

Answer 17

septic

Question 18

Clear cake units

Answer 18

25

Question 19

Muddy units

Answer 19

> 100

Question 20

solid residue when water is evaporated at 103-105 C

Answer 20

Total Solids

Question 21

constant @20C

Answer 21

0.23/day

Question 22

DOS @10C

Answer 22

11.33 mg/L

Question 23

DOS @20C

Answer 23

9.1 mg/L

Question 24

DOS @25C

Answer 24

8.38 mg/L

Question 25

bed coefficient for stagnant

Answer 25

0.1

Question 26

bed coefficient for rapid

Answer 26

0.6 (default)

Question 27

Soft

Answer 27

<17.61

Question 28

Slightly Hard

Answer 28

17.61-60

Question 29

Moderately Hard

Answer 29

60-120

Question 30

Hard

Answer 30

120-180

Question 31

Very Hard

Answer 31

> 180

Question 32

Kyoto Protocol

Answer 32

emission of greenshouse

Question 33

Montreal Protocol

Answer 33

Chlorofluorocarbons

Question 34

Stockholm Convention

Answer 34

protect human health and environment from organic pollutants

Question 35

Clean Air Act of the Philippines

Answer 35

RA 8749

Question 36

Ecological Solid Waste Management Act

Answer 36

RA 9003

Question 37

Toxic Substances and Hazardous and Nuclear Waste

Answer 37

RA 6969

Question 38

Atmosphere

Answer 38

Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

Question 39

clouds

Answer 39

Troposphere

Question 40

ozone

Answer 40

Stratosphere

Question 41

low temp/low pressure

Answer 41

Mesosphere

Question 42

ionosphere/radio waves

Answer 42

Thermosphere

Question 43

Acid Rain

Answer 43

nitric and sulfuric acid

Question 44

Kr correction factor

Answer 44

1.024