Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 100 0.1 1000 25 100 0.1 1000 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. EDTA Presumptive Total count Electometric EDTA Presumptive Total count Electometric ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 5-10 1-2 150-300 2000-3000 5-10 1-2 150-300 2000-3000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust By reaction of hydrocarbon & nitric oxide in presence of sunlight All of these Is harmful for crops and trees also besides causing eye irritation & asthma Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight All of these Is harmful for crops and trees also besides causing eye irritation & asthma Appears only on sunny days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Ferrous sulphate Alum Lime Hydrazine Ferrous sulphate Alum Lime Hydrazine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes Anaemia Nervous system disorder All of these Blood poisoning Anaemia Nervous system disorder All of these Blood poisoning ANSWER DOWNLOAD EXAMIANS APP