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) 800 90 10 750 800 90 10 750 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels. 120 140 95 75 120 140 95 75 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. EDTA Total count Presumptive Electometric EDTA Total count Presumptive Electometric ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Cancer Bone decay Anemia Asphyxiation (suffocation) Cancer Bone decay Anemia Asphyxiation (suffocation) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 2 to 3 0.001 to 0.01 5 to 10 02 to 0.3 2 to 3 0.001 to 0.01 5 to 10 02 to 0.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Color test of water is done with an instrument called Turbidimeter Electro-chemical cell Colorimeter Tintometer Turbidimeter Electro-chemical cell Colorimeter Tintometer ANSWER DOWNLOAD EXAMIANS APP
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