Water Supply & Waste Water Engg. WSWWE 4th Civil /0514/Dec 2018 Diploma Paper

Water Supply & Waste  4th Semester Civil/0514/Dec 2018 Paper

                                                SECTION-A

Q a). Fill in the Blanks                                                                                                             15×1=15

      i. The arrangement made for collection of human excreta in rural sanitation is known as Sanitary System .
      ii. As per code of practice, septic tank should have a minimum width of 137 cm.
     iii. At ridges __________ Valve is used.
     iv. The pipe through which liquid water carrying human excreta flows is called Soil Pipe .
      v. Water closet is provided for receiving Human exterment .
     vi. Units of turbidity are 5-10 ppm . 
    vii. G.I. Pipes are used for Distribution of Water .
    viii. Smoke test is conducted for House Plumbing .
      ix. PH value of portable water is between 6.5 and 8.5
       x. P.V.C. pipes are Plastic pipes.

   b) State True or False

       xi. Scour valves are also known as relief valve. (False)
      xii. Safety valve is also called as blow off valve. (True)
     xiii. Per capita consumption for domestic use is 135 ltrs. (True)
     xiv. The surface sources of water are the sources in which the water flows over the earth’s surface. (True)
      xv. The demand of water in houses for washing, bathing, and cooking, sanitary and other purpose is called as commercial and industrial demand of water. (False)