Environmental Engineering in CE Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? Ra-226 Sr-90 I-131 Au-198 Ra-226 Sr-90 I-131 Au-198 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the Automobile exhaust Blanketing effect of CO₂ in the atmosphere De-forestation Thickening of ozone layer Automobile exhaust Blanketing effect of CO₂ in the atmosphere De-forestation Thickening of ozone layer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Biological oxygen demand (BOD) Oxygen ion concentration Relative stability Bacterial stability factor Biological oxygen demand (BOD) Oxygen ion concentration Relative stability Bacterial stability factor ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reinglemann chart is used for the measurement of the Flue gas temperature Exhaust gas density Smoke density from a chimey Combustibles present in automobile exhaust Flue gas temperature Exhaust gas density Smoke density from a chimey Combustibles present in automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Combination of all A, B & C Neutral Positively charged Negatively charged Combination of all A, B & C Neutral Positively charged Negatively charged ANSWER DOWNLOAD EXAMIANS APP
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