Hydraulics and Fluid Mechanics in ME According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain. Directly proportional Inversely proportional Equal to None of these Directly proportional Inversely proportional Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME During the opening of a valve in a pipe line, the flow is Uniform Unsteady Laminar Steady Uniform Unsteady Laminar Steady ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power developed by a turbine is (where H = Head of water under which the turbine is working) Inversely proportional to H3/2 Directly proportional to H3/2 Directly proportional to H1/2 Inversely proportional to H1/2 Inversely proportional to H3/2 Directly proportional to H3/2 Directly proportional to H1/2 Inversely proportional to H1/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures. Arithmetic mean Difference Sum Geometric mean Arithmetic mean Difference Sum Geometric mean 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 give constant efficiency, even if the discharge is not constant They are suitable even for low water heads They have slow speeds All of these They give constant efficiency, even if the discharge is not constant They are suitable even for low water heads They have slow speeds ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of a reaction turbine, is the ratio of None of these Actual work available at the turbine to energy imparted to the wheel Power produced by the turbine to the energy actually supplied by the turbine Work-done on the wheel to the energy (or head of water) actually supplied to the turbine None of these Actual work available at the turbine to energy imparted to the wheel Power produced by the turbine to the energy actually supplied by the turbine Work-done on the wheel to the energy (or head of water) actually supplied to the turbine ANSWER DOWNLOAD EXAMIANS APP
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