If the depth of flow in a circular sewer is 1/4th of its diameter D, the wetted perimeter is______________?

Related Mcqs:

Pick up the correct statement from the following ?

A. Rate of digestion of sludge is more at higher temperature B. Thermophilic organisms digest the sludge if the temperature ranges from 40° to 60°C C. Mesophilic organisms digest the sludge if the temperature is between 25° and 40°C D. All the above...

The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is_____________________?

A. 0.05552 cumec B. 0.05554 cumec C. 0.05556 cumec D. 0.0556 cumec...

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...

In sewage, the solids in mg per litre is__________________?

A. 100 to 500 B. 500 to 1000 C. 1000 to 1500 D. 1500 to 2000...

In SI units the power of sound is represented in __________________?

A. Kgs B. Joules C. Newtons D. Watts...