Environmental Engineering Flashcards

1
Q

It is known as Water Quality Guidelines and General Effluent
Standards of 2016.

a. DAO 34
c. RA 9275
b. DAO 35
d. DAO No. 2016-08

A

DAO No. 2016-08

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2
Q

Clean Water Act

A

RA 9275

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3
Q

Class of water intended for primary contact recreation such as bathing, swimming, skin diving, etc.

A

Class B

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4
Q

Gas responsible for the rotten egg odor of wastewater.

A

hydrogen sulfide

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5
Q

useless, unwanted or discarded materials resulting from normal community activities

A

waste

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6
Q

– generally the indication of the age of sewage

A

Color

grayish - fresh
black - septic

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7
Q

comes from the septic decomposition at organic wastes and is due
to the presence of gases such as

A

Odor

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8
Q

is part of water supply to the community, industry/manufacturing,
agriculture, etc. which has been mixed with suspended or dissolved solid, and usually contains pollutants.

A

wastewater

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9
Q

the amount of suspended matter in water/wastewater and is obtained by measuring its light scattering ability. It is also a measure of the ability of sunlight to pass through water and the ability of water to disperse different materials disposed into it

A

Turbidity

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10
Q

lowers the solubility of oxygen in water and increase the rate at which oxygen-consuming microbes attack organic waste

A

Temperature

Gas: inc T = dec Solubility

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11
Q

– solid residue when water is evaporated at 103 – 1050C.

A

Total Solids

TS = TDS+TSS

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12
Q

Which of the following apparatus is not used in measuring turbidity?
a. Jackson Turbidimeter
b. Secchi Disk Depth
c. Photoelectric Colorimeter
d. none of these

A

Photoelectric Colorimeter

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13
Q

The resistance of water to the passage of light through it is a measure

A

Turbidity

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14
Q

Sodium ions contribute to which characteristics of water

A

Total Dissolved Solids

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15
Q

The total solids in water are due to the presence of
a. suspended and dissolved solids
b. suspended and floating solids
c. colloidal and settleable solids
d. colloidal and bacterial load

A

. suspended and dissolved solids

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16
Q

ny alteration in the physical, chemical or biological properties of the environment (air, water and land) which adversely affects its quality and/or aesthetic use.

A

Environmental Pollution

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17
Q

describes the chemical, physical, and biological characteristics of water with respect to its suitability for a particular use

A

Water Quality

18
Q

Class AA
Class A
Class B
Class C
Class D

A

AA - primary having water sheds, uninhabitated, approved disinfection

A- public water supply II. water supply req conventional treatment

B- recreational water class I. for primary contact (bathing, fishing etc)

C- fishery water, Rec class2 boating, agriculture, irrigation

D- Navible waters

19
Q

actual quantity of free O2 present in water (biological characteristic of water)

A

Dissolved Oxygen

20
Q

– a measure of the amount of O2 needed to oxidize completely an organic matter whose chemical formula is known (biological characteristic of water)

A

Theoretical Oxygen Demand

21
Q

–a measure of the amount of O2 needed by microorganism to decompose biodegradable organics at specified time (5 days), temperature (200C) and pH (7)

A

Biological Oxygen Demand

22
Q

– a measure of the amount of O2 needed to oxidize organics using strong oxidizing agents (KMnO4 or K2Cr2O7) in acid

A

Chemical Oxygen Demand

23
Q

(Chemical Characteristics of Wastewater)

– a measure of the acidity or alkalinity of water

A

pH

24
Q

– basic components of fertilizer, serves as nutrients for microbial growth in particular algae. (Chemical Characteristics of Wastewater)

A

Nitrogen and Phosphorus

25
Q

– refers to the heavy metals which are toxic even in small
concentrations(Chemical Characteristics of Wastewater)

A

Trace Metals

26
Q

National Water and Air Pollution Control Commission Act (1964)

RA9729
RA3931
RA8749
RA9003

A

RA3931

27
Q

Toxic Substances and Hazardous Waste Management Act(1990)

RA9729
RA3931
RA8749
RA6969

A

RA6969

28
Q

Clean Air Act of 1999

RA9729
RA3931
RA8749
RA6969

A

RA8749

29
Q

Ecological Solid Waste Management Act (2000)

RA9729
RA9003
RA8749
RA6969

A

RA9003

30
Q

Clen Water Act of 2004

RA9729
RA9275
RA8749
RA6969

A

RA9275

31
Q

Climate Change Act of 2009

RA9275
RA9729
RA8749
RA6969

A

RA9729

32
Q

Environmental Impact Statement System(1978)

PD856
PD1586
RA9729
RA8749

A

PD1586

33
Q

Sanitation Code of the Philippines

PD856
PD1586
RA9729
RA8749

A

PD856

34
Q

Updated Water Quality Guidelines and General Effluent Standards for Selected Parameters

DAO2018-12
DAO2016-08
DAO2021-19
DAO2021-15

A

DAO 2021-19

35
Q

Protecting the ozone layer by phasing out CFCs, HFCs, and HCFCs.

Kyoto
Montreal
Stockholm Convention
Agenda21

A

Montreal

36
Q

Limiting and reducing Green House Gas emissions

Kyoto
Montreal
Stockholm Convention
Agenda21

A

Kyoto Protocol

37
Q

Elimiinating or restricting production and use of persistent organic pollutants (POPs)

Kyoto
Montreal
Stockholm Convention
Agenda21

A

Stockholm Convention

38
Q

Limiting global temperature rice in this century to 2degC

Stockholm Convention
Agenda21
Paris Agreement
Basel Convention

A

Paris Agreement

39
Q

provides blue print for action towards sustainable development

Stockholm Convention
Agenda21
Paris Agreement
Basel Convention

A

Agenda 21

40
Q

Miscellaneous Processes

Kraft - paper
Hoepner - copper or iron sufides fused
Barff - H from H2O gas

A

wala lang baka lang lumabas

41
Q
A