Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Manhole Drop manhole Catch basin Inlet Manhole Drop manhole Catch basin Inlet 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 Pressure relief valve Sluice valve Air relief valve Reflux valve Pressure relief valve Sluice valve Air relief valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The population of a town in three consecutive years are 5000, 7000 and 8400 respectively. The population of the town in the fourth consecutive year according to geometrical increase method is 10920 9500 9800 10100 10920 9500 9800 10100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 1 - 2 year 24 - 48 hours 2 - 3 months 10 - 12 days 1 - 2 year 24 - 48 hours 2 - 3 months 10 - 12 days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 2 to 4 5 to 7 0.2 to 0.4 0.4 to 1.0 2 to 4 5 to 7 0.2 to 0.4 0.4 to 1.0 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Steel Reinforced cement concrete Copper Cast iron Steel Reinforced cement concrete Copper Cast iron ANSWER DOWNLOAD EXAMIANS APP
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