Environmental Engineering The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is Air relief valve Sluice valve Reflux valve Pressure relief valve Air relief valve Sluice valve Reflux valve Pressure relief valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hourly variation factor is usually taken as 1.5 2.0 2.7 1.8 1.5 2.0 2.7 1.8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Dissolved oxygen in streams is Minimum at noon Maximum at noon Maximum at midnight Same throughout the day Minimum at noon Maximum at noon Maximum at midnight Same throughout the day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to Total alkalinity Total hardness total alkalinity Non carbonate hardness Total hardness Total alkalinity Total hardness total alkalinity Non carbonate hardness Total hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about 75 100 59 50 75 100 59 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is usually designed for 26 years 27 years 28 years 25 years 26 years 27 years 28 years 25 years ANSWER DOWNLOAD EXAMIANS APP
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