Water Supply Engineering

231. The factor to be considered for the source of city water supply, is

1. Quantity and quality of the available water
2. Elevation of the source of water
3. General terrain intervening the area
4. All the above

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232. The fire demand for a city of 50,000 populations, according to Godrich formula, is

1. 40 mld
2. 42 mld
3. 44 mld
4. 48 mld

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233. The fire demand for ascertaining the empirical formula 1136.5 [(P/10) + 10] known as

1. Kuichling's formula
2. Buston's formula
3. Freeman formula
4. Under Writers formula

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234. The fire demand of a city may be worked out by

1. Kuichling's formula
2. Freeman formula
3. Under Writers formula
4. All the above

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235. The flow of water gets retarded, in

1. Settling tank
2. Sedimentation tank
3. Clarifier
4. All the above

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236. The force which develops in a pressure conduit supported on trestles, is

1. Tension
2. Compression
3. Temperature stress
4. Flexural stress

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237. The formula H_L = n²V²L/R^4/3 for the head loss in conduits is generally known as

1. Hazen-William's formula
2. Manning's formula
3. Darcy-Weisbach formula
4. Nikuradse formula

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238. The formula Q = P - K [1.8T + 32] in which Q is runoff, P is annual rain fall in cm, T is mean annual temperature in centigrade and K is a constant, is known

1. Justin's formula
2. Khosla's formula
3. English formula
4. Vermule's formula

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239. The four major water supply distribution systems, are

1. Dead end, tree, grid iron and reticulation
2. Dead end, tree, grid iron and circular
3. Tree, grid iron, ring and radial
4. Tree, reticulation, circular and ring

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240. The gaseous form of chlorine gets converted into liquid form when subjected to a pressure of

1. 5 kg/cm²
2. 6 kg/cm²
3. 7 kg/cm²
4. 10 kg/cm²

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