The water carriage system of collection of waste product________________?

Related Mcqs:

1. 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...

2. The depression of water table in a well due to pumping will be maximum_______________?

   A. at a distance R from the well B. close to the well C. at a distance R/2 from the well D. none of the above where R is the radius of influence...

3. Residual chlorine in water is determined by________________?

   A. starch iodide method B. orthotolidine method C. both (A) and (B) D. none of the above...

4. The percentage of filtered water, which is used for backwashing in rapid sand filters, is about______________?

   A. 0.2 to 0.4 B. 0.4 to 1.0 C. 2 to 4 D. 5 to 7...

5. The major disadvantage of lime soda process of water softening is that_________________?

   A. it is unsuitable for turbid and acidic water B. huge amount of precipitate is formed which creates a disposal problem C. the effluent cannot be reduced to zero hardness D. it is unsuitable for softening the water of excessive hardness...

6. 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_______________?

   A. check valve B. sluice valve C. safety valve D. scour valve...

7. The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is______________?

   A. 1 ppm B. 4 ppm C. 10 ppm D. 40 ppm...

8. 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...

9. Disinfection of water results in______________?

   A. removal of turbidity B. removal of hardness C. killing of disease bacteria D. complete sterilisation...

10. On standard silica scale, the turbidity in drinking water should be limited to_______________?

    A. 10 ppm B. 20 ppm C. 30 ppm D. 50 ppm...