Environmental Engineering The velocity of flow of water in a sedimentation tank is about 5 to 10 cm/sec 15 to 30 cm/minute 15 to 30 cm/hour 15 to 30 cm/sec 5 to 10 cm/sec 15 to 30 cm/minute 15 to 30 cm/hour 15 to 30 cm/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 30 to 35 40 to 50 20 to 25 10 to 15 30 to 35 40 to 50 20 to 25 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is Pressure relief valve Air relief valve Sluice valve Reflux valve Pressure relief valve Air relief valve Sluice valve Reflux valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Provides self cleansing velocity at low discharges Is more stable than circular section Is easy to construct Is economical than circular section Provides self cleansing velocity at low discharges Is more stable than circular section Is easy to construct Is economical than circular section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) y = N + R R = N + y R > (N + y) N = y + R y = N + R R = N + y R > (N + y) N = y + R ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is designed for Maximum flow only Maximum and minimum flow Minimum flow only Average flow only Maximum flow only Maximum and minimum flow Minimum flow only Average flow only ANSWER DOWNLOAD EXAMIANS APP
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