Chemical Environmental Engineering

Exposure to chemicals having carcinogenic properties cause___________________?

Byadmin March 11, 2019August 29, 2021

Exposure to chemicals having carcinogenic properties cause___________________?

A. Dermatitis (skin disorder)
B. Cancer
C. Asphyxiation
D. Asthma

Chemical Environmental Engineering

Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in ‘gas chamber’ is about ______________ ppm?

Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in ‘gas chamber’ is about ______________ ppm?

A. < 1
B. 10-100
C. 100-200
D. 100-1000

Read More Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in ‘gas chamber’ is about ______________ ppm?
Chemical Environmental Engineering

Ringelmann chart is used for the evaluation of _____________ pollution?

Ringelmann chart is used for the evaluation of _____________ pollution?

A. Air
B. Water
C. Noise
D. Radioactive

Read More Ringelmann chart is used for the evaluation of _____________ pollution?
Chemical Environmental Engineering

Which of the following air pollutants is not toxic to vegetation i.e., doesn’t cause vegetation damage ?

Which of the following air pollutants is not toxic to vegetation i.e., doesn’t cause vegetation damage ?

A. Smog & ozone
B. Hydrogen fluoride & nitrogen oxides
C. Sulphur dioxide & spray of weed killers
D. Carbon monoxide

Read More Which of the following air pollutants is not toxic to vegetation i.e., doesn’t cause vegetation damage ?
Chemical Environmental Engineering

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?

A. CO
B. SO2
C. NOx
D. CFC (chloro fluoro carbons)

Read More Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?
Chemical Environmental Engineering

A ‘body’ which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the________________?

A ‘body’ which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the________________?

A. Global warming
B. Green house
C. Atmospheric effect
D. Ionosphere

Read More A ‘body’ which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the________________?
Chemical Environmental Engineering

Which is the most efficient dust removal equipment for removal of submicronic dust particles from blast furnace gas ?

Which is the most efficient dust removal equipment for removal of submicronic dust particles from blast furnace gas ?

A. Packed scrubber
B. Gravity settling chamber
C. Electrostatic precipitator
D. Hydrocyclone

Read More Which is the most efficient dust removal equipment for removal of submicronic dust particles from blast furnace gas ?

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