Hamad Chemical Environmental Engineering 02/05/2021 A. I-131 B. Sr-90 C. Au-198 D. Ra-226 Related Mcqs: Noise pollution level in a chemical plant is expressed in __________________?A. Roentgen B. Decibel C. Hertz D. None of these... White smoke coming out of the chimney of a furnace indicates the use of_________________?A. Low excess air B. Very high excess air C. Gaseous fuel in the furnace D. Liquid fuel in the furnace... Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes__________________?A. Blood poisoning B. Anaemia C. Nervous system disorder D. All A., B. & C.... Exposure to SO2 containing chimney gases results in the__________________?A. Reduction in strength of leather & cloth B. Acceleration of corrosion rates of metals C. Increased drying & hardening time of paints D. All A., B. and C.... Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in___________________?A. Food industry B. Municipal sewage treatment C. Petroleum refinery D. Iron & steel plant...
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