Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 115 45 10 90 115 45 10 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram) 10 800 750 90 10 800 750 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Positively charged Combination of all A, B & C Neutral Negatively charged Positively charged Combination of all A, B & C Neutral Negatively charged ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Carbon dioxide Carbon disulphide Toluene Acetaldehyde Carbon dioxide Carbon disulphide Toluene Acetaldehyde ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a weightless pollutant? SPM Thermal pollution Noise pollution Radioactive rays SPM Thermal pollution Noise pollution Radioactive rays ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 500 1000 5 10000 500 1000 5 10000 ANSWER DOWNLOAD EXAMIANS APP
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