Search
.Management Sciences
A. By reaction of hydrocarbon & nitric oxide in presence of sunlight
B. Appears only on sunny days
C. Is harmful for crops and trees also besides causing eye irritation & asthma
D. All A., B. & C.
Related Mcqs:
- High noise levels produced during operation of fans and compressors can be reduced by using__________________?
- A. Mufflers (silencers) B. Acoustic absorbent C. Lagging of noisy duct D. None of these...
- Sulphur dioxide present in the industrial chimney exhaust gases causes____________________?
- A. Respiratory & lung disease B. Reduction in plant’s productivity owing to acid rain C. Corrosion of building materials D. All A., B. and C....
- Pick out the wrong statement?
- 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 … Pick out the wrong statement?Read More...
- Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants ?
- A. NOx B. Hg C. SO2 D. F...
- Inhalation of silica dust by human being causes ___________________?
- A. Asphyxiation B. Shortness of breath C. Tuberculosis D. Both B. & C....
Recent Comments