Related Questions

A sewer that receives the discharge of a number of house sewers is called
A House sewer
B Lateral sewer
C Intercepting sewer
D Sub-main sewer
If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains
A Hydrogen sulphide
B Carbon dioxide
C Methane
D Oxygen
For design of sewers, percentage of sewage discharge is assumed
A 65 to 70%
B 70 to 75%
C 75 to 80%
D 85%
The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch.
A Plus
B Minus
C Divide
D None of these
The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known
A House sewer
B Lateral sewer
C Branch sewer
D Sewer outfall
The design discharge for the separate sewer system shall be taken as
A Equal to dry weather flow (DWF)
B 2 × DWF
C 3 × DWF
D 6 × DWF
The design discharge for the combined sewer system shall be taken as
A Equal to rainfall
B Rainfall + DWF
C Rainfall + 2 DWF
D Rainfall + 6 DWF
The main disadvantage of cement concrete sewers is
A Less strength
B Difficulty in construction
C Difficulty in transportation due to heavy weight
D Less life
When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as ________ double cover butt joint.
A Single riveted
B Double riveted
C Multi riveted
D None of these
When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as _______ double cover butt joint.
A Single riveted
B Double riveted
C Both (A) and (B)
D None of these

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