Waste Water Engineering Fresh sewage is generally Highly decomposed Alkaline A source of objectionable odour Acidic Highly decomposed Alkaline A source of objectionable odour Acidic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the velocity of flow should not be Less than the self-cleansing velocity More than 20 m/sec Less than 10 m/sec More than the self-cleansing velocity Less than the self-cleansing velocity More than 20 m/sec Less than 10 m/sec More than the self-cleansing velocity ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of design discharge to the surface area of a sedimentation tank is called Overflow rate All of these Surface loading Overflow velocity Overflow rate All of these Surface loading Overflow velocity ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock’s law, is Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Hydrogen sulphide Oxygen Methane Carbon dioxide Hydrogen sulphide Oxygen Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pressure exerted by Pressure sewers are designed to be safe in tension All listed here The sewage when running full from inside, is called internal pressure The internal pressure if any, causes tensile stress in the pipe material Pressure sewers are designed to be safe in tension All listed here The sewage when running full from inside, is called internal pressure The internal pressure if any, causes tensile stress in the pipe material ANSWER DOWNLOAD EXAMIANS APP
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