In a syphon aqueduct

A Drainage passes over the canal and F.S.L. of the canal is below the bottom of the drainage trough
B Drainage passes over the canal and F.S.L. of the canal is above the bottom of the drainage trough
C Canal passes over the drainage and H.F.L. of the drainage is above the bottom of the canal trough
D Canal passes over the drainage and H.F.L. of the drainage is below the bottom of the canal trough

Correct Answer: Canal passes over the drainage and H.F.L. of the drainage is above the bottom of the canal trough

Bissoy MCQ
#Civil Engineering #Irrigation Engineering

Related Questions

The velocity of drainage water in the barrels of a syphon-aqueduct, is normally limited to
A 1 to 2 m per second
B 2 to 3 m per second
C 3 to 4 m per second
D 4 to 5 m per second
The level of the floor of a syphon aqueduct can be obtained
A By subtracting the depth of the culvert from the canal bed level
B By subtracting the thickness of culvert plus the depth of the culvert from the canal bed level
C Both (A) and (B)
D None of these
The structure constructed to allow drainage water to flow under pressure through an inverted syphon below a canal, is called
A Syphon
B Super passage
C Super-aqueduct
D Syphon aqueduct
To avoid an interruption in the flow of a syphon, an air vessel is provided
A at the inlet
B at the outlet
C at the summit
D ay nay point between inlet and outlet
The uplift pressure on the roof of an inverted syphon, is maximum when
A Drain in running dry
B Canal is running dry
C Canal is running with F.S.L.
D Drain is running with H.F.L.
The pressure at the summit of a syphon is
A equal to atmospheric
B less than atmospheric
C more than atmospheric
D none of the above
In a canal syphon, the flow is
A Under atmospheric pressure
B Pipe flow
C With critical velocity
D Under negative pressure
Pressure gauges are never connected directly to the live steam line; rather a loop or syphon is interposed as close as possible to the pressure gauge. This is done to
A Avoid the overheating of the tubes & bellows which operate them to minimise error and damage
B Form a seal of water by steam condensate to fill the tube or bellows at the pressure being measured
C Both 'A' & 'B'
D Avoid the static head error introduced by steam entry
The aqueduct or superpassage type of works are generally used when
A high flood drainage discharge is small
B high flood drainage discharge is large and short lived
C high flood drainage discharge is large and continues for a long time
D none of the above

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