TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes_________________?

Related Mcqs:

Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of_________________?

A. Ozone and iodine B. Chlorine or its compounds C. Ultraviolet light for irradiation of water D. All A., B. & C....

The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of _____________ of water?

A. Dissolved oxygen content B. Biological oxygen demand C. Vapor pressure D. All A., B. and C....

Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for___________________?

A. Conversion of CO into CO2 in the second compartment B. Conversion of NOx into N2 and NH3 in the first compartment C. Oxidation of unburnt hydrocarbon fuel in the second compartment D. All A., B. and C....

A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of _____________ high above earth’s atmosphere, which absorbs it?

A. Hydrogen B. Carbon dioxide C. Ozone D. None of these...

Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes_________________?

A. Paralysis of muscles & loss of appetite B. Nervous depression C. Gastritis and diarrhea D. All A., B. and C....