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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is

slightly more
slightly less
nearly half
equal

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Hydraulics and Fluid Mechanics in ME
A nozzle placed at the end of a water pipe line discharges water at a

Low velocity
High velocity
Low pressure
High pressure

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Hydraulics and Fluid Mechanics in ME
The critical depth meter is used to measure

Depth of flow in an open channel
Depth of channel
Velocity of flow in an open channel
Hydraulic jump

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Hydraulics and Fluid Mechanics in ME
A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to

1 kg
10 kg
100 kg
1000 kg

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Hydraulics and Fluid Mechanics in ME
Reaction turbines are used for

High head
Low head and high discharge
Low head
High head and low discharge

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Hydraulics and Fluid Mechanics in ME
When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.

Less than
More than
Equal to
None of these

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