ENVIRONMENTAL ENGINEERING IN CE QUIZ

Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)?

Activated carbon adsorption

Lagooning

Biological oxidation pond

Chemical coagulation

TRUE ANSWER : ?
YOUR ANSWER : ?

Main pollutants released from petroleum refineries is

CO₂, NO & SO₃

SO₃, NO₂ & CO₂

CO₂, H₂S & NO₂

CO, SO₂ & H₂S

TRUE ANSWER : ?
YOUR ANSWER : ?

Arsenic pollutant is not generated in____industries.

Tanneries

Any of these

Glass & ceramic

Beverages

TRUE ANSWER : ?
YOUR ANSWER : ?

Fresh domestic sewage is __________ in color.

Red

Black

Grey

Dark brown

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following pollutants is not emitted during volcanic eruptions?

SO₂

Hydrocarbons

H₂S

CO

TRUE ANSWER : ?
YOUR ANSWER : ?

Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called

Thermosphere

Troposphere

Stratosphere

Mesosphere

TRUE ANSWER : ?
YOUR ANSWER : ?

A standard test for determination of hardness in water is termed as __________ test.

Presumptive

Electometric

Total count

EDTA

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following pollutants is absent in the emissions from a fertiliser plant ?

SO₂ & SO₃

NO₂

CO

NH₃

TRUE ANSWER : ?
YOUR ANSWER : ?

Most efficient and suitable dust removal equipment for removal of flyash from flue gas in a thermal power plant is the

Cyclone separator

Bag filter

Gravity settling chamber

Electrostatic precipitator

TRUE ANSWER : ?
YOUR ANSWER : ?

Deaeration of high pressure boiler feed water is done to reduce

Foaming from boilers

Its dissolved oxygen content

Caustic embrittlement

Its silica content

TRUE ANSWER : ?
YOUR ANSWER : ?

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