Download Previous year Diploma Paper of Water Supply & Waste 4th Sem Civil/0514/May 2015 Paper
Water Supply & Waste 4th Semester Civil/0514/May 2015 Paper
SECTION-A
Q1. Do as directed. 15×1=15
I. Per capita consumption for domestic use is 135 liters .
II. Stop cock is a Control valve.
III. PH value of portable water is between 6.5 and 8.5
IV. At ridges ____Valve is used.
V. The layout of pipes should be Short and Simple .
VI. Storage tanks are generally preferred for Multi-Storeyed Buildings .
VII. The best coagulant for removing the colour of water is Alum .
VIII. A underground conduit for carrying sewage is known as Sewage System .
IX. Dry weather flow is also called Sanitary Sewage .
X. Smoke test is conducted for House Plumbing .
b) State True or False.
xi. A trap is provided for preventing the entry of fresh air. (True)
xii. Elevated reservoirs are commonly known as overhead tanks. (True)
xiii. Presence of calcium and magnesium chloride in water causes hardness. (True)
xiv. Rapid sand filter require large area as compared to slow sand filter. (False)
xv. The sewage containing human excreta is known as sanitary sewage. (True)
       SECTION-B
Q2. Attempt any five questions.                                  5×6=30
   I. Write a short note on variation of water demand.
   II. What is turbidity? What are the causes of turbidity in water?
  III. How will you test home drains?
  IV. What are various types of pipes used for distribution of water?
   V. What precautions you will keep in mind during excavation?
   VI. Compare combined and separate systems of sewerage.
  VII. Write short note on drop manhole.
  VIII. What are the objectives of sewage disposal ?
        SECTION-C
Q3. Attempt any three questions.                            3×10=30
  Q.3. What is Disinfection? What are the various methods of disinfection of water.
  Q.4. What are the requirements of a good distribution system? Explain different method of distribution
  Q.5. Why traps are provides? Explain various types of traps with diagram.
  Q.6. What are different water supply fixtures? Describe any four of them.
  Q.7 Explain complete treatment of domestic sewage with flow diagram
Per capita consumption for domestic use is 135 liters .
  Â
Stop cock is a Control valve.
  Â
PH value of portable water is between 6.5 and 8.5
  Â
At ridges ____Valve is used.
  Â
The layout of pipes should be Short and Simple .
  Â
Storage tanks are generally preferred for Multi-Storeyed Buildings .
  Â
The best coagulant for removing the colour of water is Alum .
  Â
A underground conduit for carrying sewage is known as Sewage System .
  Â
Dry weather flow is also called Sanitary Sewage .
 Â
Smoke test is conducted for House Plumbing .
 Â
b) State true or false.
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Short note on variation of water demand.
  Â
 What is turbidity
What are the causes of turbidity in water
  Â
Test home Drains
 Â
Various types of pipes used for distribution of water
 Â
Precautions you will keep in mind during excavation
  Â
Comparision combined and separate systems of sewerage.
  Â
Short note on drop manhole.
  Â
Objectives of sewage disposalÂ
Water Supply and Waste Water Engg WSWWEÂ Civil 4th Semester PSBTE Diploma Solved May 2015 Paper Click Here
Disinfection
Various methods of disinfection of water.
  Â
Requirements of a good distribution system
Explain different method of distribution
 Â
Why traps are provides
Explain various types of traps with diagram.
  Â
Different water supply fixturesÂ
Complete treatment of domestic sewage with flow diagram