Q. _______ condition exists when the sewer is laid at a depth between 9m to 12m.

View solution

Q. Negative projecting condition is a type of ______ condition.

View solution

Q. Which of the following is not a sewer appurtenance?

View solution

Q. ______ provides the working space for maintenance and inspection of sewers.

View solution

Q. The minimum thickness of the side wall of the manhole is __________

View solution

Q. Which of the following is situated above the working chamber in a deep manhole?

View solution

Q. If the depth of excavation is 4m. What is the thickness of the brick wall of manhole?

View solution

Q. Into how many types manholes are classified on the basis of depth of manhole?

View solution

Q. The minimum diameter of the access shaft for a circular manhole is __________

View solution

Q. The manhole in which inclined pipe for transfer of sewage from branch to main sewer is __________

View solution

Q. The thickness of the manhole frame is __________

View solution

Q. The minimum diameter of the working chamber for a circular manhole is __________

View solution

Q. The manhole in which vertical pipe is used for the transfer of sewage from branch to main sewer is __________

View solution

Q. Which sewer appurtenance allows lamp in the sewer?

View solution

Q. Which sewer appurtenance is used for removing rainwater from the roads?

View solution

Q. ________ removes oil and grease from the sewage.

View solution

Q. Which device is used to prevent the clogging of sewer pipes?

View solution

Q. Which of the following is called as depressed sewer?

View solution

Q. The sewage in inverted siphon will flow under __________

View solution

Q. The design self cleansing velocity of an inverted siphon is __________

View solution