Water supply and waste water management
Previous year question paper with solutions for Water supply and waste water management Dec-2017
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Question paper 1
SECTION-A
Q1. Fill in the blanks.
a) Process of partial or complete removal of residual chlorine in water is known as__________
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Read moreb) _________is the main substance in chloride water.
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c) _________Valve is placed on the d/s side of all other gate valves
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Read mored) BOD is a measure for finding out the ______ of sewage.
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e) For the inspection of reservoirs __________ are provided.
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f) Masonry sewers are used when the size is __________
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g) Chlorides should not be more than ______ ppm
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h) A trap provided at the junction of house drain and street sewer is known as _________
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i) The water closet is provided for receiving _________
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j) The pipe installed to preserve the water seal of trap is called _________
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State True or False.
k) Trickling filters are used to treat the sewage.
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l) Ozone is very efficient disinfectant.
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m) Lime when added to water decreases the PH of water.
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n) G.I pipes are used for house drainage.
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o) Coagulation is needed when size of the particle is large
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SECTION-B
Q2. Attempt any six questions.
a) Why analysis of water is done? Explain.
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Read moreb) Explain the term Per Capita Demand?
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Read morec) Explain the action of chlorine used for disinfection of water.
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Read mored) Explain skimming tanks used for the removal of floating matters.
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Read moree) Explain the term COD and BOD
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Read moref) Explain the advantages and disadvantages of land treatment method of disposal of sewage.
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Read moreg) Explain the requirements of good sewer joints.
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Read moreh) Discuss the various tests for testing the house drainage.
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Read morei) Describe the sources of dry weather flow.
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Read moreSECTION-C
Attempt any three Questions.
Q3. Explain the various appurtenances used for controlling the flow of water with sketches briefly
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Read moreQ4. Explain different methods of sewage disposal?
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Read moreQ5. Explain the classification of sewers according to construction materials.
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Read moreQ6. Explain the various operations to be followed for laying underground pipes.
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Read moreQ7. Explain the various water supply fixtures and fittings with sketch.
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