Interview Questions.

Question 1. What Is The Chemical Composition Of The Atmosphere?

Answer :

78% Nitrogen, 21% Oxygen, 1% other gases along with CO2

Question 2. What Is The Innermost Layer Called?

Answer :

Troposphere

Chemical Interview Questions
Question 3. The Second Layer?

Answer :

Stratosphere

Question 4. How Thick Are These Layers?

Answer :

T = 11 miles at equator, 5 miles at poles.  S - bove T to @ 30 miles

Question 5. What Gas Filters Out Uv?

Answer :

Ozone

Environmental Science Interview Questions
Question 6. What Layer Does The Most Filtering?

Answer :

Stratosphere

Question 7. What Are Some Examples Of Natural Air Pollution?

Answer :

volcanoes, wooded area fires, dust storms, seas salt nuclei shape wave action, pollen ,mold spores.

Environmental Health and Safety (EHS) Interview Questions
Question eight. What Is The Difference Between Primary And Secondary Air Pollutants?

Answer :

Primary brought immediately to air, secondary  is fashioned because of chemical and physical reactions among the primary pollution and different atmospheric additives which includes water vapor or each different.

Question nine. What Are Some Examples Of Each?

Answer :

Primary consists of carbon, sulfur, and nitrogen and their oxides and hydrocarbons.   Secondary consist of oxides and salts of the primary and compounds along with ozone and PAN.  What is a VOC and what are some examples.   Volatile organic compound -- methane , propane, CFC's, gasoline.

Rain Water Harvesting Interview Questions
Question 10. What Is The Difference Between London Smog And La Smog?

Answer :

London is a aggregate of fog and smoke it takes place in cool foggy areas, LA is as a result of a photochemical response between the pollution (primarily from vehicle exhaust and enterprise)  and mild and happens in heat sunny areas.

Question 11. Why Is La Smog Called Photochemical?

Answer :

It is resulting from  the interaction between chemical pollutants and daylight.

Solid Waste Management Interview Questions
Question 12. What Is Acid Deposition?

Answer :

Secondary air pollution of acidic compounds including sulfuric acid and nitric acid which ultimately settles out on land or on water.

Chemical Interview Questions
Question thirteen. Why Is That Term Better Than Acid Rain?

Answer :

The acidic compounds often settle out inside the form of solids or snow no longer just rain.

Question 14. What Are The Major Sources Of Outdoor Pollution?

Answer :

The burning of fossil fuels via vehicles, electricity plant life and enterprise. Metal refineries.

Question 15. What Effects Does Air Pollution Have On?

Answer :

Health: animals , flowers   -- can sickens or kill them. Major issues in animals are breathing issues consisting of asthma and lung most cancers.

Materials  --acid deposition causes predominant deterioration

Hazardous Area Classification Interview Questions
Question 16. What Helps Protect Humans From Air Pollutants?

Answer :

Our noses have hairs and mucus to clear out the bigger pollution, the repiratory tract is also coated with cells that have cilia that continuously beat and pressure stuff up and out.

Question 17. What Is A Thermal Inversion?

Answer :

the trapping of a fab air close to the floor by means of a warmer upper layer which is a opposite of the everyday circumstance.

E Waste Management Interview Questions
Question 18. How Do Thermal Inversions Relate To Air Pollution “ Events”?

Answer :

Air pollutants are trapped inside the cooler air and can't be dispersed away form the location in order that they increase and emerge as greater of a fitness chance.

Environmental Science Interview Questions
Question 19. What Are Some Examples Of These Events?

Answer :

1880 London -- killed 2200, Donora, PA 1948 first most important occasion within the US  7000 ill.

Question 20. How Can We Cut Down Or Prevent Air Pollution?

Answer :

Use cleanser fuels. Use opportunity electricity sources. Use devices to trap pollution earlier than they're launched.

Question 21. Is Dilution A Solution To Pollution?

Answer :

best when you have few pollutants and small populations.

Question 22. Is Indoor Pollution Better Or Worse Than Outdoor? Can Be Worse. How Much Worse?

Answer :

2 to five instances better and in a few instances one hundred instances.

Question 23. What About Inside An Automobile?

Answer :

In clogged metropolis traffic 18 instances better.

Question 24. Why Should People In Developed Countries Be More Concerned Over Indoor Than Outdoor?

Answer :

Our houses are extra air tight and the materials we construct them out of and grant them with produce greater pollutants. Also there are higher air pollutants requirements in maximum advanced international locations for out of doors air however few for indoor.

Environmental Health and Safety (EHS) Interview Questions
Question 25. What Are The Major Indoor Pollutants?

Answer :

Formaldehyde, chloroform, para-dichlorobenzene, styrene, tobacco smoke, radon, asbestos

Question 26. Where Do The Following Indoor Pollutants Come Form?

Answer :

Formaldehyde  -- glues in plywood, particle wooden, OSB, carpet, fixtures

Radon  -- uranium rock surrounding the basement

Smoke  -- fireplaces, smoking tobacco and different stuff

Asbestos  - high-quality treated through definitely overlaying it with paint or plastic no longer with the aid of disposing of. It became extensively utilized as a legitimate proofer and as an insulator for steam pipes and chimneys.

Molds  - mould spores are within the air - you actually can't get rid of them -- you could gradual their boom by using keeping the humidity down.

Question 27. What Is “sick Building Syndrome”?

Answer :

fitness problems resulting from constructing materials   -- most often related to more recent buildings.

Rain Water Harvesting Interview Questions
Question 28. How Can You Prevent Or Control Indoor Pollutants?

Answer :

Have air to air exchangers so there may be less buildup within the residence, do not smoke, have nicely vented stoves use fewer products with formaldehyde glues or seal them properly so out-gasing doesn't arise. Use much less polluting cleaners.

Question 29. How Are Lichens/canaries And Reindeer Associated With Air Pollution?

Answer :

Lichens are very touchy to air pollution and if there are none for your community then the air is most in all likelihood polluted., canaries were utilized by miners to hit upon dangerous gases -- if they give up making a song (died) the miners knew to get out of the mine.

        Heaps of reindeer in Lapland became too radioactive to consume after the Chernoble nuclear reactor soften-down due to the fact they feed on tundra lichen.

Question 30. How Much Air Pollution Does A Jet Ski Make In Reference To An Average Automobile?

Answer :

a one hour journey creates more air pollutants than the common vehicle does in a 12 months. (Pollution control devices required on autos aren't required on recreational motors.)