Environmental Engineering in CE What are the methods of treatment & disposal of radioactive wastes? Biological methods & adsorption in ion exchange materials All of these Fixing into a solid mass with cement and sinking deep in the sea Evaporation & chemical precipitation Biological methods & adsorption in ion exchange materials All of these Fixing into a solid mass with cement and sinking deep in the sea Evaporation & chemical precipitation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The upper layer of atmosphere is called the Troposphere Stratosphere None of these Ionosphere Troposphere Stratosphere None of these Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Hydrocyclone Electrostatic precipitator Packed scrubber Gravity settling chamber Hydrocyclone Electrostatic precipitator Packed scrubber Gravity settling chamber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by Pyrolysis High temperature incineration Pathological incineration Underground burial in concrete containers Pyrolysis High temperature incineration Pathological incineration Underground burial in concrete containers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 1000 50 5000 2000 1000 50 5000 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels. 100 30 70 3 100 30 70 3 ANSWER DOWNLOAD EXAMIANS APP
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