Environmental Engineering in CE Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. 42 2 1050 332 42 2 1050 332 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the Ionosphere Stratosphere None of these Troposphere Ionosphere Stratosphere None of these Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What are the methods of treatment & disposal of radioactive wastes? Biological methods & adsorption in ion exchange materials Fixing into a solid mass with cement and sinking deep in the sea All of these Evaporation & chemical precipitation Biological methods & adsorption in ion exchange materials Fixing into a solid mass with cement and sinking deep in the sea All of these Evaporation & chemical precipitation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution due to excessive heat & temperature in the working place causes High breathing rate All of these Reduction in working efficiency of manpower Fatigue High breathing rate All of these Reduction in working efficiency of manpower Fatigue ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust causes a disease called Pneumoconiosis Silicosis None of these Bronchitis Pneumoconiosis Silicosis None of these Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Mud balls Expansion of filtering media Air binding Shrinkage of filtering media Mud balls Expansion of filtering media Air binding Shrinkage of filtering media ANSWER DOWNLOAD EXAMIANS APP