Related Questions

Cement concrete sewers are only suitable if non-scouring velocity is between
A 2.5 to 3.0 m/sec
B 3.0 to 4.0 m/sec
C 3.5 to 4.5 m/sec
D 4.5 to 5.5 m/sec
In sewers the highest non-scouring velocity is achieved in
A Glazed bricks sewers
B Cast iron sewers
C Cement concrete sewers
D Stone ware sewers
Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres.
A Improving the stretchability
B Dyeing/colouring
C Detergent solution washing
D Glycol soaking
The depth of the crest of a scouring sluice below the crest of a head regulator, is generally kept
A 0.20 m
B 1.20 m
C 2.20 m
D 3.20 m
The underground sewers are more subjected to
A Tensile force
B Compressive force
C Bending force
D Shearing force
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

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