The part of a tree most adversely affected by acid rain is the:

The part of a tree most adversely affected by acid rain is the:

a. Leaves
b. Branches
c. Roots
d. Reproductive system
e. Bark




Answer: C

Hydrogen is considered ideal as an alternative fuel because:

Hydrogen is considered ideal as an alternative fuel because:

a. It burns at low temperatures, minimizing NOx formation
b. It has nearly the same heating value as carbon
c. It is safe and easy to store
d. Water vapour is the only product of combustion
e. The cost of production is minimal




Answer: D

Ozone is particularly hazardous in:

Ozone is particularly hazardous in:

a. The stratosphere 

b. The upper atmosphere
c. All levels of the atmosphere
d. All concentrations
e. The lower atmosphere





Answer: E

The greenhouse effect is responsible for:

The greenhouse effect is responsible for:

a. Heart and circulatory system strain
b. The diminishing maple sugar industry
c. Drought conditions
d. Fouling of fish gills
e. The death of microscopic life in lakes






Answer: C

Nitrogen oxides are referred to collectively as:

Nitrogen oxides are referred to collectively as:

a. Laughing gases
b. NO2
c. N2O
d. NOX
e. N2O5





Answer: D

The gaseous pollutant that contributes to acid rain is:

The gaseous pollutant that contributes to acid rain is:

a. Ozone
b. Carbon dioxide
c. Carbon monoxide
d. Mercaptan
e. Sulphur dioxide




Answer: E

Incomplete combustion of fuel is responsible for the production of:

Incomplete combustion of fuel is responsible for the production of:

a. Acid Rain
b. Carbon dioxide
c. Hydrogen sulphide
d. Sulphur dioxide
e. Carbon monoxide





Answer: E

The dual register burner reduces nitrogen oxides in the flue gas by:

The dual register burner reduces nitrogen oxides in the flue gas by:

a. Reducing turbulence and combustion temperatures.
b. Using maximum excess air for high combustion temperatures.
c. Completing combustion in the burner tube, before the furnace.
d. Increasing turbulence for most efficient combustion.
e. Supplying cooling air to reduce furnace temperature





Answer: A

Regenerable systems used for flue gas de-sulphurization:

Regenerable systems used for flue gas de-sulphurization:

a. Are less expensive than non-regenerable methods
b. Use lime or limestone when scrubbing the flue gas
c. Produce a marketable by-product
d. Are more widely applied than non-regenerable systems
e. Scrub flue gas with sulfuric acid





Answer: C

Acid rain forms when

Acid rain forms when

a. The temperature is cool and the humidity is high
b. The temperature and humidity are high
c. Warm fronts meet cold fronts
d. There are severe electrical storms
e. Water vapour and sunlight act on atmospheric SOx and NOx






Answer: E

Methane gas is often produced by:

Methane gas is often produced by:

a. Insufficient combustion air
b. Decomposition of organic matter
c. The burning of plastics
d. High intensity sunlight acting on ozone
e. Discharging Halon fire extinguishers





Answer: B

The most common method of removing sulphur dioxide from flue gases uses:

The most common method of removing sulphur dioxide from flue gases uses:

a. Caustic soda
b. Limestone
c. Filtration
d. Sodium carbonate
e. A dilute sulphuric acid wash





Answer: B

A gaseous pollutant that contributes to ozone depletion is:

A gaseous pollutant that contributes to ozone depletion is:

a. Nitrous oxide
b. Sulphur oxide
c. Carbon dioxide
d. Carbon monoxide
e. Methane




Answer: A

Carbon dioxide is responsible for _____ % greenhouse gasses:

Carbon dioxide is responsible for _____ % greenhouse gasses:

a. 20
b. 30
c. 40
d. 50
e. 60





Answer: D

Greenhouse gases allow the passage of ____ energy radiation.

Greenhouse gases allow the passage of ____ energy radiation.

A. High
B. Low
C. Potential
D. Heat



Answer: A

The conversion of Nitrogen oxides occurs at temperatures above

The conversion of Nitrogen oxides occurs at temperatures above

A. 1000C
B. 1225C
C. 1450C
D. 1650C




Answer: D

Chlorofluorocarbons

Chlorofluorocarbons

A. Contribute to the acid rain problem
B. Are the main heat trapping gases responsible for the greenhouse effect
C. Destroy ozone after they reach the stratosphere
D. Combine with ozone to produce toxins

Answer: C

In order for acid rain to be formed

In order for acid rain to be formed

A. Atmospheric temperatures must be correct
B. Water vapour must be present
C. Sunlight must be present
D. Water vapour and sunlight must be present





Answer: D

A gaseous pollutant that contributes to acid rain is?

A gaseous pollutant that contributes to acid rain is?

A. Carbon Dioxide
B. Ozone
C. CFCs
D. Sulphur Dioxide





Answer: D

The upper level gas that shields the earth from ultraviolet radiation is?

The upper level gas that shields the earth from ultraviolet radiation is?

A. Oxygen
B. Ozone
C. Carbon Dioxide
D. Nitrogen




Answer: B