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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The Fourneyron turbine is _________ reaction turbine.

An outward flow
An inward flow
An axial flow
A mixed flow

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Hydraulics and Fluid Mechanics in ME
A turbine pump is basically a centrifugal pump equipped additionally with

Inlet guide blades
Vaned diffusion casing
Backward curved blades
Adjustable blades

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Hydraulics and Fluid Mechanics in ME
A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be

(2AH₁3/2)/(Cd × a√2g)
(2AH₁²)/(Cd × a√2g)
(2AH₁)/(Cd × a√2g)
(2A√H₁)/(Cd × a√2g)

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump casing, the flow of water leaving the impeller, is

Rectilinear flow
Radial flow
Forced vortex
Free vortex motion

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Hydraulics and Fluid Mechanics in ME
A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow.

Viscous
Incompressible
None of these
Compressible

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Hydraulics and Fluid Mechanics in ME
The absolute pressure is equal to

Gauge pressure - vacuum pressure
Gauge pressure - atmospheric pressure
Atmospheric pressure - gauge pressure
Gauge pressure + atmospheric pressure

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