Hydraulics and Fluid Mechanics in ME Geometric similarity is said to exist between the model and the prototype, if both of them Are identical in shape, but differ only in size Have identical velocities Are equal in size and shape Have identical forces Are identical in shape, but differ only in size Have identical velocities Are equal in size and shape Have identical forces ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For small discharge at high pressure, following pump is preferred Reciprocating Mixed flow Axial flow Centrifugal Reciprocating Mixed flow Axial flow Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the depth of water in an open channel is greater than the critical depth, the flow is called Turbulent flow Tranquil flow Torrential flow Critical flow Turbulent flow Tranquil flow Torrential flow Critical flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) A × √(m × i) AC × √(m × i) mi × √(A × C) C × √(m × i) A × √(m × i) AC × √(m × i) mi × √(A × C) C × √(m × i) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Cube of fan speed Square of fan speed Directly as fan speed Square root of fan speed Cube of fan speed Square of fan speed Directly as fan speed Square root of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Piezometer tube is used only for measuring High pressure Vacuum pressure Low pressure Moderate pressure High pressure Vacuum pressure Low pressure Moderate pressure ANSWER DOWNLOAD EXAMIANS APP
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