Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Heavy metals and cynides Soluble and toxic organics Suspended solids All of these Heavy metals and cynides Soluble and toxic organics Suspended solids All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Turbidity Dissolved oxygen Silica Phenol Turbidity Dissolved oxygen Silica Phenol ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)? Benzopyrene Peroxyacyl nitrate Carbon monoxide Sulphur dioxide Benzopyrene Peroxyacyl nitrate Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Hydrogen sulphide Asbestos Cadmium Mercury Hydrogen sulphide Asbestos Cadmium Mercury ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 0.1 25 5 1 0.1 25 5 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 10 5 20 1 10 5 20 1 ANSWER DOWNLOAD EXAMIANS APP
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