Related Questions

The sum of the currents into a junction is equal to the sum of the currents out of that junction.
A True
B False
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
For trunk and out-fall, the type of sewers generally used, is
A Standard egg shaped
B Circular shaped
C Horse shoe shaped
D Parabolic shaped
Clogging of sewers, is caused due to
A Silting
B Low discharge
C Greasy and oily matters
D All the above
Are available in size Stoneware sewers
A 10 cm
B 15 cm
C 20 cm
D All the above

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