Waste Water Engineering At the junction of sewers Tops of both the sewers are at the same level Top of larger sewer is kept lower None of these Top of smaller sewer is kept lower Tops of both the sewers are at the same level Top of larger sewer is kept lower None of these Top of smaller sewer is kept lower ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed Perpendicular to the direction of flow At an angle 30° to 60° to the direction of flow None of these Parallel to the direction of flow Perpendicular to the direction of flow At an angle 30° to 60° to the direction of flow None of these Parallel to the direction of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 2 3 1.5 2.5 2 3 1.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Self-cleansing velocity is Velocity at which no accumulation remains in the drains Velocity at dry weather flow Velocity of water in a pressure filter Velocity of water at flushing Velocity at which no accumulation remains in the drains Velocity at dry weather flow Velocity of water in a pressure filter Velocity of water at flushing ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding potassium permanganate Adding sulphuric acid Phenol-di-sulphuric acid Boiling Adding potassium permanganate Adding sulphuric acid Phenol-di-sulphuric acid Boiling ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The stone ware sewers Are manufactured from clays and shale Are used for carrying sewage and drainage from houses All listed here After casting are dried and burnt at temperature 150°C, 700°C and 1200°C Are manufactured from clays and shale Are used for carrying sewage and drainage from houses All listed here After casting are dried and burnt at temperature 150°C, 700°C and 1200°C ANSWER DOWNLOAD EXAMIANS APP
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