For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed__________________?

Related Mcqs:

1. 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...

2. The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is___________________?

   A. 1.5 B. 2.0 C. 3.0 D. 4.0...

3. The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is____________________?

   A. 1.5 B. 2.0 C. 3.0 D. 4.0...

4. You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at___________________?

   A. Full depth B. Half full C. Two third full D. Three fourth full...

5. Rate of flow of sewage is generally assumed__________________?

   A. More than the rate of water supply B. Equal to the rate of water supply C. Less than the rate of water supply D. At 150 litres per capita...

6. If q is the average sewage flow from a city of population P, the maximum sewage flow______________?

   A. Q = [(4 + )/(18 + )] q B. Q = [(18 + P)/(4 + )] q C. Q = [(18 + )/(4 + )] q D. Q = [(5 + )/((15 + )] q...

7. The ratio of minimum hourly flow to the average flow of sewage is_________________?

   A. 1/4 B. 1/3 C. 1/2 D. 3/4...

8. If the discharge of a sewer running half is 628 1.p.s., i = 0.001, and n = 0.010, the diameter of the sewer, is__________________?

   A. 1.39 m B. 1.49 m C. 1.59 m D. 1.69 m...

9. 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...

10. The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is________________________?

    A. 20 cm B. 25 cm C. 40 cm D. 50 cm...