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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
For pipes, laminar flow occurs when Roynolds number is

between 2000 and 4000
less than 2000
less than 4000
more than 4000

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Hydraulics and Fluid Mechanics in ME
The pitot tube is used to measure

static pressure
stagnation pressure
velocity at stagnation point
dynamic pressure

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Hydraulics and Fluid Mechanics in ME
Mercury does not wet glass. This is due to property of liquid known as

surface tension
cohesion
adhesion
viscosity

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Hydraulics and Fluid Mechanics in ME
The flow in a pipe is neither laminar nor turbulent when Reynold number is

More than 2800
Less than 2000
None of these
Between 2000 and 2800

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Hydraulics and Fluid Mechanics in ME
Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between

Lift and resultant force
Lift and tangential force
Drag and resultant force
Lift and drag

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Hydraulics and Fluid Mechanics in ME
Indicator diagram of a reciprocating pump is a graph between

Flow vs. speed
Pressure in cylinder vs. swept volume
Pressure vs. speed
Flow vs. swept volume

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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