Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 105 35 75 95 105 35 75 95 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 5 100 1000 2000 5 100 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Clarifier Sedimentation tanks Sludge digester Oxidation ponds Clarifier Sedimentation tanks Sludge digester Oxidation ponds ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are Parasitic Anerobic None of these Saprophytic Parasitic Anerobic None of these Saprophytic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.) t = 15 - 0.0035h t = 0.0035h -15 t = 15 - 0.0065h t = 15 + 0.0065h t = 15 - 0.0035h t = 0.0035h -15 t = 15 - 0.0065h t = 15 + 0.0065h ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 100 25 0.1 1000 100 25 0.1 1000 ANSWER DOWNLOAD EXAMIANS APP
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