Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Organic concentration in gaseous effluents Characterisation of solid wastes Characterisation of boiler feed water Characterisation of liquid effluents Organic concentration in gaseous effluents Characterisation of solid wastes Characterisation of boiler feed water Characterisation of liquid effluents ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? Chlorine Alkalis Alkyl benzene sulphonate (ABS) Benzene hexachloride Chlorine Alkalis Alkyl benzene sulphonate (ABS) Benzene hexachloride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 5 2000 50 5000 5 2000 50 5000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Oxygen ion concentration Bacterial stability factor Relative stability Biological oxygen demand (BOD) Oxygen ion concentration Bacterial stability factor Relative stability Biological oxygen demand (BOD) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels. 3 100 30 70 3 100 30 70 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Composting Incineration Biological oxidation None of these Composting Incineration Biological oxidation None of these ANSWER DOWNLOAD EXAMIANS APP