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.Management Sciences
A. Allows visible solar radiation (ultraviolet) of short wave-length to pass through
B. Reflects and absorbs the longer wavelength (infra-red) radiations
C. Prevents solar heat being radiated out completely, resulting in ‘heat trap’ i.e., global warming
D. All A., B. and C.
Related Mcqs:
- The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the ________________?
- A. Catalytic conversion B. Green house effect C. Global warming D. Both B. and C....
- Fine grit present in sewage is removed in the _____________ during sewage treatment?
- A. Grit chamber B. Detritus tank C. Trickling filter D. Skimming tank...
- Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by__________________?
- A. Biological oxygen pond B. Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) C. Lagoons D. Filtration...
- COD of raw municipal sewage may be in the range of about _____________ mg/litre?
- A. 1-2 B. 5-10 C. 90-120 D. 1500-2500...
- Fluorosis is caused due to the presence of excessive amount of ______________ in drinking water?
- A. Mercury B. Lead C. Fluoride D. Arsenic...
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