Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Heavy metals and cynides Soluble and toxic organics All of these Suspended solids Heavy metals and cynides Soluble and toxic organics All of these Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 8 to 12 2 to 4 24 to 32 16 to 20 8 to 12 2 to 4 24 to 32 16 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Carbon monoxide Oxides of sulphur Hydrogen sulphide Oxides of nitrogen Carbon monoxide Oxides of sulphur Hydrogen sulphide Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Global warming Green house effect Both B and C Catalytic conversion Global warming Green house effect Both B and C Catalytic conversion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 105 95 35 75 105 95 35 75 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 1000 to 2000 6000 to 9000 3000 to 6000 10000 to 100000 1000 to 2000 6000 to 9000 3000 to 6000 10000 to 100000 ANSWER DOWNLOAD EXAMIANS APP
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