Related Questions

Which one of the following tunneling methods is used for laying underground sewers?
A Needle beam method
B Army method
C German method
D Italian method
Large diameter sewers subjected to external pressure alone, are reinforced
A Near the inner surface of the pipe
B Near the outer surface of the pipe
C Both A and B
D With elliptical cage
In sewers the effect of scouring is more on
A Top side
B Bottom side
C Horizontal side
D All sides
The sewer which received discharge from two or more main sewers, is known as
A A trunk sewer
B An outfall sewer
C A main sewer
D An intercepting sewer
The self cleansing velocity for all sewers in India is usually
A Less than 1.0 m/sec
B 1.0 m/sec to 1.2 m/sec
C 1.5 m/sec to 2.0 m/sec
D 3.0 m/sec to 3.5 m/sec
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
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
Laying of sewers is usually done with the help of
A A Theodolite
B A compass
C Sight rails and boning rods
D A plane table
The minimum and maximum diameters of sewers shall preferably be
A 15 cm and 100 cm
B 15 cm and 300 cm
C 30 cm and 450 cm
D 60 cm and 300 cm
With self cleansing velocity in sewers
A Silting occurs at bottom
B Scouring occurs at bottom
C Both silting and scouring occur at bottom
D Neither silting nor scouring occurs at bottom

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