The ratio of depths at partial flo________________?

Related Mcqs:

1. 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

2. If the depth of partial flow in a sewer of diameter 2 m, is 50 cm, its wetted perimeter is____________________ ?

   A. 1/3
   B. 0/2
   C. 0/3
   D. 2 /3

3. Return on investment ratio is the ratio of the_____________?

   A. Net income to owner’s equity
   B. Market price per share to earnings per share
   C. Cost of goods sold to average cost of inventory at hand
   D. Net credit sales to average net receivable

4. The common ratio is the ratio of_______________?

   A. Net credit sales to average net receivable
   B. Current assets to current liabilities
   C. Gross profit to net sales
   D. Net income to owner’s equity

5. 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

6. 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

7. The ratio of design discharge to the surface area of a sedimentation tank is called____________________?

   A. Surface loading
   B. Overflow rate
   C. Overflow velocity
   D. All of these

8. The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is____________________?

   A. 100 cm
   B. 110 cm
   C. 120 cm
   D. 150 cm

9. 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

10. In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is_____________________?

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