Related Questions

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 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
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.
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
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
In a canal syphon, the flow is
A Under atmospheric pressure
B Pipe flow
C With critical velocity
D Under negative pressure
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
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these
i. The athlete did not perform well in "pressure". ii. You need to put "more pressure" to open the lock. iii. The management has put immense "pressure" on the manager is meet their yearly tarets
A i only
B ii only
C iii only
D i and ii only

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