The effect of increasing diameter of sewer on the self cleansing velocity is_____________?

Related Mcqs:

1. The self cleansing velocity for all sewers in India is usually_________________?

   A. less than 1.0 m/sec B. 1.0 m/sec to 1.2 m/sec C. 1.5 m/sec to 2.0 m/sec D. 3.0 m/sec to 3.5 m/sec...

2. The type of sewer which is suitable for both combined and separate system is_____________?

   A. circular sewer B. egg shaped sewer C. horse-shoe type sewer D. semi-elliptical sewer...

3. 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...

4. The design discharge for the separate sewer system shall be taken as_____________?

   A. equal to dry weather flow (DWF) B. 2xDWF C. 3 x DWF D. 6xDWF...

5. Most suitable section of sewer in separate sewage system is________________?

   A. rectangular section B. circular section C. standard form of egg shaped sewer D. modified egg shaped section...

6. The means of access for inspection and cleaning of sewer line is known as_______________?

   A. inlet B. manhole C. drop manhole D. catch basin...

7. The most commonly used sewer under culverts is_______________?

   A. circular brick sewer B. circular cast iron sewer C. semi-elliptical sewer D. horse-shoe type sewer...

8. The design discharge for the combined sewer system shall be taken as________________?

   A. equal to rainfall B. rainfall + DWF C. rainfall + 2 DWF D. rainfall + 6 DWF...

9. The slope of sewer shall be__________________?

   A. given in the direction of natural slope of ground B. given in the direction opposite to natural slope of ground C. zero D. steeper than 1 in 20...

10. A sewer that receives the discharge of a number of house sewers is called________________?

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