Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 80 125 100 145 80 125 100 145 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 6.2 7.3 13.4 1.8 6.2 7.3 13.4 1.8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. 2 42 1050 332 2 42 1050 332 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? Lead Mercury Arsenic Aluminium Lead Mercury Arsenic Aluminium 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)? Carbon monoxide Sulphur dioxide Peroxyacyl nitrate Benzopyrene Carbon monoxide Sulphur dioxide Peroxyacyl nitrate Benzopyrene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Respiratory & lung disease Reduction in plant's productivity owing to acid rain All of these Corrosion of building materials Respiratory & lung disease Reduction in plant's productivity owing to acid rain All of these Corrosion of building materials ANSWER DOWNLOAD EXAMIANS APP
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