161. What denotes in the fall in the exchange rate of one currency in terms of the others? This term is usually applies to the floating exchange rate______________? September 7, 2025 by Admin A. Currency appreciation B. Currency depreciation C. Currency devaluation D. Currency float ✅ The correct answer is option B.
162. The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as____________________? September 7, 2025 by Admin A. meta center B. center of pressure C. center of buoyancy D. center of gravity ✅ The correct answer is option B.
163. 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__________________? September 7, 2025 by Admin A. 1.5 B. 2.0 C. 2.5 D. 3.0 ✅ The correct answer is option B.
164. In the activated sludge process__________________? September 7, 2025 by Admin A. Aeration is continued till stability B. Aeration is done with an admixture of previously aerated sludge C. Sludge is activated by constant stirring D. Water is removed by centrifugal action ✅ The correct answer is option B.
165. The normal value of over flow rates for plain primary sedimentation tanks, ranges between________________? September 7, 2025 by Admin A. 25,000 to 35,000 litres/sqm/day B. 40,000 to 50,000 litres/sqm/day C. 50,000 to 60,000 litres/sqm/day D. 80,000 to 100,000 litres/sqm/day ✅ The correct answer is option B.
166. The sewage treatment units in which anaerobic decomposition of organic matter is used, are called________________? September 7, 2025 by Admin A. Imhoff tanks B. Trickling filters C. Sludge sedimentation tanks D. None of these ✅ The correct answer is option B.
167. You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at___________________? September 7, 2025 by Admin A. Full depth B. Half full C. Two third full D. Three fourth full ✅ The correct answer is option B.
168. Lead caulked joints are used for laying____________________? September 7, 2025 by Admin A. Stone ware pipes B. Earthenware pipes C. C.I. pipes D. G.I. pipes ✅ The correct answer is option B.
169. For drainage pipes in buildings the test applied before putting them to use, is__________________? September 7, 2025 by Admin A. Water test B. Smoke test C. Straightness test D. All the above ✅ The correct answer is option B.
170. The original record of a business transaction is recorded in this book_____________? September 7, 2025 by Admin A. Work book B. Journal C. Ledger D. Account book ✅ The correct answer is option B.