Water Supply & Waste Water Engg.WSWWE 4th Civil /0514/Dec 2015 Diploma Paper

Download Previous year Diploma Paper of Water Supply & Waste 4th Semester Civil/0514/Dec 2015 Paper Water Supply & Waste 4th Semester Ci

Download Previous year Diploma Paper of Water Supply & Waste 4th Semester Civil/0514/Dec 2015 Paper

Water Supply & Waste 4th Semester Civil/0514/Dec 2015 Paper

                                                SECTION-A

Q1 a) Fill in The Blanks                                                                                                             15×1=15

        I. Per capita consumption for domestic use is 135 liters .
       II. Chlorides should not be more than 100 PPM.
      III. Alum is use for Coagulation .
      IV. Stop cock is a Control valve.
       V. Dead and method of distributing water is also called Tree System .
      VI. Kitchen waste is Known as Garbage .
     VII. Dry weather flow depends upon Water Consumption.
    VIII. Aerobic bacteria takes free oxygen in a Dissolved Condition .
      IX. Screen are usually laid at an angle 22 to 45 .
       X. The pipe installed to preserve the water seal at trap is called anti-syphonage pipe .

   b) State True or False.

    XI. Elevated reservoirs are commonly known as overhead tanks. (True)
    XII. Trickling filters are used to treat drinking water. (False)
   XIII. Grease trap are used outside kitchens, canteens and motor garages. (True)
   XIV. G.I. pipes are used for service connections. (True)
   XV. Industrial sewage requires some treatment before disposal. (True)

              SECTION-B

Q2. Attempt any five questions.                                                                    5×6=30

     a. What is per capita demand? What are the factors, which affect per capita demand?
     b. Discuss the merits and demerits of various sources of water supply scheme.
     c. What is sedimentation? Give advantages of plain sedimentation.
     d. What is turbidity? What are the causes of turbidity in water?
     e. What are the requirements of good building drainage?
     f. Compare combined and separate systems of sewerage.
     g. Write a short note on drop manhole.

               SECTION-C

Q3. Attempt any three questions.                                                       3×10=30

     i. Differentiate between slow sand filters and rapid sand filters.
    ii. What is coagulation? Explain dry feeding method of mixing coagulants in water.
    iii. What are the different water supply fixtures? Describe any four of them.
    iv. What are the requirements of a good distribution system? Explain different methods of distribution.
     v. What is disinfection? What are the various methods of disinfection of water?

Water Supply & Waste  4th Sem Civil/0514/dec 2019 Paper

Per capita consumption for domestic use is 135 liters .
     

Chlorides should not be more than 100 PPM.
     

Alum is use for Coagulation .
     

Stop cock is a Control valve.
       

Dead and method of distributing water is also called Tree System .
     

Kitchen waste is Known as Garbage .
    

Dry weather flow depends upon Water Consumption.
   

Aerobic bacteria takes free oxygen in a Dissolved Condition .
    

Screen are usually laid at an angle 22 to 45 .
       

 The pipe installed to preserve the water seal at trap is called anti-syphonage pipe .

  

b) State true or false.

Download Previous Year Water Supply and Waste Water Engineering  PSBTE Diploma Solved Paper Dec 2015 Click Here

Per capita demand

What are the factors, which affect per capita demand
     

merits and demerits of various sources of water supply scheme.
     

Sedimentation and advantages of plain sedimentation.
     

Turbidity and  causes of turbidity in water

Requirements of a good distribution system?

Different methods of distribution.     

Disinfection

various methods of disinfection of water?

Water Supply and Waste Water Engg WSWWE  Civil 4th Semester PSBTE Diploma Solved May 2019 Paper Click Here

Water Supply & Waste Water Engg. 4th Sem Civil/0514/may 2019 Paper

Differentiate between slow sand filters and rapid sand filters.

Coagulation

Explain dry feeding method of mixing coagulants in water.

What is disinfection

What are the various methods of disinfection of water

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