Related Questions

An inverted siphon is designed generally for
A One pipe
B Two pipes
C Three pipes
D Four pipes
To avoid an interruption in the flow of a siphon, an air vessel is provided
A At the inlet
B At the outlet
C At the summit
D At any point between inlet and outlet
An air vessel is provided at the summit in a siphon to
A Avoid interruption in the flow
B Increase discharge
C Increase velocity
D Maintain pressure difference
The drop man holes are generally provided in sewers for
A Industrial areas
B Large town ships
C Hilly town ships
D Cities in plains
The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid.
A Equal to
B Less than
C More than
D None of these
The discharge through a siphon spillway is
A $${{\text{C}}_{\text{d}}} \times {\text{a}}\sqrt {2{\text{gH}}} $$
B $${{\text{C}}_{\text{d}}} \times {\text{a}}\sqrt {2{\text{g}}} \times {{\text{H}}^{\frac{3}{2}}}$$
C $${{\text{C}}_{\text{d}}} \times {\text{a}}\sqrt {2{\text{g}}} \times {{\text{H}}^2}$$
D $${{\text{C}}_{\text{d}}} \times {\text{a}}\sqrt {2{\text{g}}} \times {{\text{H}}^{\frac{5}{2}}}$$
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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