Related Questions

The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in
A aqueduct and syphon aqueduct
B aqueduct and super passage
C super passage and canal syphon
D level crossing
When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not touch the underside of the supporting structure, the structure so provided, is called
A Syphon
B Aqueduct
C Super passage
D Syphon-aqueduct
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 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
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
When a canal and a drainage approach each other at the same level, the structure so provided, is
A An aqueduct
B A syphon
C A level crossing
D Inlet and outlet
When a canal is carried over a natural drainage, the structure provided, is known as
A Syphon
B Aqueduct
C Super passage
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 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

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