Environmental Engineering For satisfactory working of a sludge digestion unit, the pH range of digested sludge should be maintained as 6.5 to 8.0 8.5 to 10.0 10.5 to 12.0 4.5 to 6.0 6.5 to 8.0 8.5 to 10.0 10.5 to 12.0 4.5 to 6.0 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 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 Disinfection of water results in Removal of hardness Complete sterilisation Killing of disease bacteria Removal of turbidity Removal of hardness Complete sterilisation Killing of disease bacteria Removal of turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about 59 75 100 50 59 75 100 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A sewer that receives the discharge of a number of house sewers is called House sewer Sub-main sewer Intercepting sewer Lateral sewer House sewer Sub-main sewer Intercepting sewer Lateral sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 50 liters/sec 1000 liters/sec 5 liters/sec 500 liters/sec 50 liters/sec 1000 liters/sec 5 liters/sec 500 liters/sec ANSWER DOWNLOAD EXAMIANS APP
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