2011 Geological Test

Jun 28th, 2015
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Q. 1 (a) What are intakes ? Where are these used ? (b) Give general design considerations in design of intakes. (c) 200 liters per head per day water is to be supplied to the town. Estimate the domestic water requirements of this town in the year 2020 by projecting the population of the town by the incremental increase method

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May 2011Section IQ. 1(a)What are intakes ? Where are these used ?(4 Marks)(b)Give general design considerations in design of intakes.(6 Marks)(c)200 liters per head per day water is to be supplied to the town. Estimate the domestic water requirements of this town in the year 2020 by projecting the population of the town by the incremental increase method, from the data given below :(8 Marks)YearPopulation19602,50,00019704,80,50019805,50,30019906,38,60020006,95,200OrQ. 2(a)What are different types of pipes available for use in water supply system ? Discuss merits of each.(4 Marks)(b)Give the standards as per IS 10500 of the following for the drinking water (i)Turbidity(ii) Total solids(iii) Chlorides (iv)Sulphates(v) Nitrates(vi) Fluorides.(6 Marks)(c)Compare the fire demand for a city having population of 1, 40, 000 using (i)Kuichlings formula(ii)Bustons formula(iii)Freemans formula(iv)National Board of Fire under Writers formula.(8 Marks)Q. 3(a)Explain the purpose of aeration in water treatment. What are its limitations ?(4 Marks)(b)What do you understand by treatment of water ? Why is it necessary ? Give an outline of various processes adopted for treatment of water.(6 Marks)(c)Calculate the important dimensions of mixing unit, flocculating unit and settling tank unit intended to treat a design discharge of 13 MLD. Check for important design criteria.(6 Marks)OrQ. 4(a)Descri

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