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You Are On Multi Choice Question Bank SET 643

32151. Normal values of overflow rate for sedimentation tanks using coagulants in litres/hr/m2 , generally range between





32152. In a rapid sand filter, air binding is caused due to excessive






32153. If average volume of sediment deposits is one-tenth million cubic metres per year in a reservoir of total capacity 10 million cubic metres, the dead storage will be filled up, in






32154. A circular gravity aqueduct is not generally preferred to because of





32155. Standard unit of turbidity of water is in one litre of distilled water, one milligram of finely divided





32156. Water losses in water supply, is assumed as






32157. The pH value of water is kept slightly less than 7 so that hydrochloride ions may combine with ammonia ions to form





32158. 'Shrouding' is essentially provided in





32159. The ensure proper growth of children's teeth, the quantity of flouride used in water mains, is






32160. Chemical coagulation of drinking water, is done





32161. . John ......... the newspaper yesterday use the appropriate verb form):




32162. Demand for public uses in a city, does not include water required for





32163. The chloride content of treated water for public supplies should not exceed






32164. An aquiclude is





32165. 78. Can you hill ......... this form, please!




32166. In an artesian acquifer, the draw downs in two observation wells at distances 100 m, and 200 m were found same after one hour and x hours respectively. The value of x, is





32167. Dissolved carbon dioxide, can be removed from the supply main by






32168. Slow sand filter is used if maximum turbidity of raw water is less than






32169. The external load per unit length of





32170. The total domestic consumption in a city water supply, is assumed





32171. Alum is a





32172. ‘Njanoru puthiya lokam kandu’is a book written by?





32173. In a reservoir the average volume of sediment deposition is 0.15 million cubic per year. If the dead storage and total capacity of the reservoir are 8 million cubic metres and 36 million cubic metres respectively,





32174. Silver revolution related to?





32175. The requirement of water per capita per day, is





32176. Pick up the incorrect statement from the following. In take of water supply should





32177. Reciprocating pumps






32178. The temporary hardness of water can be removed by






32179. Rapid gravity filters






32180. If n is porosity, y is specific yield and r is specific retention of any soil, the relationship which holds good, is






32181. The coefficient of permeability of soils, is generally expressed in





32182. 79. I often wake ........ in the middle of the night:




32183. Total flow in stream is known





32184. Disinfection of drinking water is done to remove






32185. The ratio of total capacity and dead storage is kept






32186. The U.C. (uniformity coefficient) for the best filter media sand should be






32187. 80. Raju has been my neighbour ..... 1997.




32188. Specific yield of a well is





32189. Normal values of overflow rate for plain sedimentation tanks in litres/hr/m2, generally range between





32190. The formula for the head loss in conduits is generally known as





32191. Manholes are less common in





32192. 81. Pointing to a person, a man said to a woman 'His mother is the only daughter of your father'. How was the woman related to the person?




32193. While designing a water supply of an industrial township, industrial and commercial water demand of total supply, is assumed





32194. The storage capacity of a reservoir may be divided into three zones. The lowest zone is





32195. In a rapid gravity filter





32196. In distribution pipes, air valves are provided at





32197. The flow of water gets retarded, in






32198. Surcharge storage zone of a reservoir, is





32199. Surface water may





32200. For a city developed haphazardly, the layout of distribution pipes preferred to, is





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