Hydraulics and Fluid Mechanics in ME Dynamic 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 None of these Are equal in size and shape Are identical in shape, but differ only in size Have identical velocities None of these Are equal in size and shape ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow in which the viscosity of fluid is dominating over the inertia force is called Unsteady flow Steady flow Laminar flow Turbulent flow Unsteady flow Steady flow Laminar flow Turbulent flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? All of these They have slow speeds They give constant efficiency, even if the discharge is not constant They are suitable even for low water heads All of these They have slow speeds They give constant efficiency, even if the discharge is not constant They are suitable even for low water heads ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a collar bearing is (where R1 and R2 = External and internal radius of collar) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁⁴ - R₂⁴) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁⁴ - R₂⁴) μπ²N/60t) × (R₁³ - R₂³) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reaction turbine, the draft tube is used To prevent air to enter the turbine To transport water to downstream To run the turbine full To increase the head of water by an amount equal to the height of the runner outlet above the tail race To prevent air to enter the turbine To transport water to downstream To run the turbine full To increase the head of water by an amount equal to the height of the runner outlet above the tail race ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called Continuity equation Bernoulli’s equation Archimedes’s principle Pascal’s law Continuity equation Bernoulli’s equation Archimedes’s principle Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
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