Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Suspended solids All of these Heavy metals and cynides Soluble and toxic organics Suspended solids All of these Heavy metals and cynides Soluble and toxic organics ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is Cavitation Boundary layer separation Fluctuation in liquid flow Pipe vibrations Cavitation Boundary layer separation Fluctuation in liquid flow Pipe vibrations 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 = 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 t = 15 - 0.0035h ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Skimming tank Imhoff tank Oxidation Lagoon Skimming tank Imhoff tank Oxidation Lagoon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 3 to 6 10 to 15 0.1 to 1 15 to 20 3 to 6 10 to 15 0.1 to 1 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km. 0.05 6.5 15 1 0.05 6.5 15 1 ANSWER DOWNLOAD EXAMIANS APP