A. Blood poisoning
B. Anaemia
C. Nervous system disorder
D. All A., B. & C.
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.
A. NOx
B. Hg
C. SO2
D. F
A. Smoke
B. Powder
C. Grit
D. Aggregates
A. Suppression of noise at the source itself
B. Path control of noise
C. Protection of operating personnel
D. All A., B. & C.
A. Arizona (U.S.A.)
B. Chernobyl (undivided U.S.S.R.)
C. Pennsylvania (U.S.A.)
D. Moscow (U.S.S.R.)
A. Dermatitis (skin disorder)
B. Cancer
C. Asphyxiation (suffocation)
D. Asthma
A. 35
B. 75
C. 95
D. 105
A. 1-2
B. 5-10
C. 90-120
D. 1500-2500
A. Coal
B. Uranium ore
C. Iron ore
D. Lime