The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is____________________?

Related Mcqs:

1. For large sewers, maximum distance between manholes may be_______________?

   A. 50 m
   B. 100 m
   C. 200 m
   D. 300 m

2. The maximum diameter of sewers adopted in the designs is_______________?

   A. 1.0 m
   B. 2.0 m
   C. 3.0 m
   D. 4.0 m

3. For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed________________?

   A. 1.5
   B. 2.0
   C. 2.5
   D. 3.0

4. If is the diameter of upper circular portion, the area of cross-section of a standard egg shaped sewer, is____________________?

   A. D²
   B. D²
   C. D²
   D. D²

5. For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is____________________?

   A. Cast iron sewers
   B. Cement concrete sewers
   C. Glazed bricks sewers
   D. Stone ware sewers

6. Large diameter sewers subjected to external pressure alone, are reinforced ______________________?

   A. Near the inner surface of the pipe
   B. Near the outer surface of the pipe
   C. Both A. and B.
   D. With elliptical cage

7. The minimum recommended diameter of sewers, is_________________?

   A. 5 cm
   B. 10 cm
   C. 15 cm
   D. 20 cm

8. The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be__________________?

   A. 0.9 cm
   B. 1.2 m
   C. 1.5 m
   D. > 1.5 m

9. Sewer manholes are generally provided at________________?

   A. The change of gradient
   B. The change of direction
   C. The junctions of sewers
   D. All of these

10. Drop manholes are the manholes___________________?

    A. Without entry ladders
    B. Without manhole covers
    C. With depths more than 3.5 m
    D. Having drains at different levels