Environmental Engineering Orthotolidine test is used for determination of Biochemical oxygen demand Dose of coagulant Dissolved oxygen Residual chlorine Biochemical oxygen demand Dose of coagulant Dissolved oxygen Residual chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Air binding phenomena in rapid sand filters occur due to Higher turbidity in the effluent Mud ball formation Low temperature Excessive negative head Higher turbidity in the effluent Mud ball formation Low temperature Excessive negative head ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following sewers is preferred for combined system of sewage? None of these Circular sewer Rectangular sewer Egg shaped sewer None of these Circular sewer Rectangular sewer Egg shaped sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow of water in a sedimentation tank is about 15 to 30 cm/hour 5 to 10 cm/sec 15 to 30 cm/minute 15 to 30 cm/sec 15 to 30 cm/hour 5 to 10 cm/sec 15 to 30 cm/minute 15 to 30 cm/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Residual chlorine in water is determined by None of these Orthotolidine method Starch iodide method Both (A) and (B) None of these Orthotolidine method Starch iodide method Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The overflow rate for plain sedimentation tanks is about 1500 to 2000 liters/hour/m² 1250 to 1500 liters/hour/m² 1000 to 1250 liters/hour/ m² 500 to 750 liters/hour/ m² 1500 to 2000 liters/hour/m² 1250 to 1500 liters/hour/m² 1000 to 1250 liters/hour/ m² 500 to 750 liters/hour/ m² ANSWER DOWNLOAD EXAMIANS APP
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