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Fluid Mechanics

Fluid Mechanics
A hydraulic ram acts as a/an __________ pump.

Impulse
Parallel cylinder
Centrifugal
Reciprocating

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Fluid Mechanics
For the transfer of solution of thick slurry, the pump used is a __________ pump.

Diaphragm
Centrifugal
Gear
Reciprocating

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Fluid Mechanics
Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will

Remain same
Increase
Decrease
Data insufficient to predict pressure drop

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Fluid Mechanics
Priming of a centrifugal pump is done to

Increase the mass flow rate of fluid
Avoid chances of separation inside the impeller
None of these
Develop effective pressure rise by the pump

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Fluid Mechanics
Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the

Back flow of fluid in the event of stoppage of pump
Flow of liquid during operation of the pump
Discharge pressure
All of these

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Fluid Mechanics
In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is

Not constant along a streamline
None of these
Increased in the direction of flow
Constant along a streamline

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