Environmental Engineering The settling velocity of a particle in a sedimentation tank increases if The surface area of tank is increased None of these Particle size is decreased The depth of tank is decreased The surface area of tank is increased None of these Particle size is decreased The depth of tank is decreased ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The method of analysis of distribution system in which the domestic supply is neglected and fire demand is considered is Hardy cross method Equivalent pipe method Electrical analysis method Circle method Hardy cross method Equivalent pipe method Electrical analysis method Circle method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 10 mg/liter 0.1 mg/liter 5 mg/liter 1.5 mg/liter 10 mg/liter 0.1 mg/liter 5 mg/liter 1.5 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve, which is provided on the suction pipe in a tube-well, is Reflux valve Air relief valve Sluice valve Pressure relief valve Reflux valve Air relief valve Sluice valve Pressure relief valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of sewer which is suitable for both combined and separate system is Egg shaped sewer Horseshoe type sewer Semi-elliptical sewer Circular sewer Egg shaped sewer Horseshoe type sewer Semi-elliptical sewer Circular sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Does not affect pH value of water Decreases pH value of water Increases pH value of water Does not require alkalinity in water for flocculation Does not affect pH value of water Decreases pH value of water Increases pH value of water Does not require alkalinity in water for flocculation ANSWER DOWNLOAD EXAMIANS APP
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