The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is_______________?

Related Mcqs:

1. The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is____________________?

   A. reflux valve
   B. sluice valve
   C. air relief valve
   D. pressure relief valve

2. The type of valve, which is provided on the suction pipe in a tube-well, is____________?

   A. air relief valve
   B. reflux valve
   C. pressure relief valve
   D. sluice valve

3. Assertion A : The consumption of water increases with increase in the distribution pressure. Reason R : Higher distribution pressure causes more loss and waste of water. Select your answer according to the coding system given below?

   A. Both A and R are true and R is the correct explanation of A
   B. Both A and R are true but R is not the correct explanation of A
   C. A is true but R is false
   D. A is false but R is true

4. Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system ?

   A. circle method
   B. equivalent pipe method
   C. Hardy cross method
   D. electrical analysis method

5. The suitable layout of a distribution system for irregularly growing town is_______________?

   A. dead end system
   B. grid iron system
   C. radial system
   D. ring system

6. A pipe which is installed in the house drainage to preserve the water seal of traps is called______________?

   A. vent pipe
   B. antisiphonage pipe
   C. waste pipe
   D. soil pipe

7. The layout of distribution system in which water flows towards the outer periphery is_________________?

   A. ring system
   B. dead end system
   C. radial system
   D. grid iron system

8. The most common cause of acidity in water is_______________?

   A. carbon dioxide
   B. oxygen
   C. hydrogen
   D. nitrogen

9. The velocity of flow of water in a sedimentation tank is about__________________?

   A. 5 to 10 cm/sec.
   B. 15 to 30 cm/sec.
   C. 15 to 30 cm/minute
   D. 15 to 30 cm/hour

10. A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called________________?

    A. house sewer
    B. lateral sewer
    C. main sewer
    D. submain sewer