Search
.Management Sciences
A. Benzopyrene which causes cancer is present in traces in tobacco, charcoal & petrol driven
automobile exhaust
B. NO2 is capable of penetrating the troposphere and can absorb both ultraviolet & visible light
C. Hydrocarbon pollutants are produced by sweet gum, oak & natural rubber trees
D. H2S is not at all produced during combustion of sulphur bearing fuels as all the sulphur is
oxidised to SO2
Related Mcqs:
- Which of the following is not a weightless pollutant ?
- A. SPM B. Thermal pollution C. Radioactive rays D. Noise pollution...
- Which of the following plants does not emit appreciable amount of SO2 in atmosphere ?
- A. Thermal power plant B. Petroleum refinery C. Nitric acid plant D. Sulphuric acid plant...
- Lagooning process is mainly a means of the__________________?
- A. Sludge disposal B. Reduction of excessive flow in sewers C. Biological treatment of wastes D. None of these...
- The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the_________________?
- A. Ionosphere B. Troposphere C. Stratosphere D. None of these...
- During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum ?
- A. Idle running B. Acceleration C. Cruising D. Deceleration...
Recent Comments