Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 + cos φ)/2 (1 + sin φ)/2 (1 - cos φ)/2 (1 - sin φ)/2 (1 + cos φ)/2 (1 + sin φ)/2 (1 - cos φ)/2 (1 - sin φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called Newton's law of resistance Newton's law of viscosity Newton's law of motion Newton's law of cooling Newton's law of resistance Newton's law of viscosity Newton's law of motion Newton's law of cooling ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow in which __________ force is dominating over the viscosity is called turbulent flow. Surface tension Viscous Elastic Inertia Surface tension Viscous Elastic Inertia ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the gases with rise in temperature remains unaffected increases decreases unpredictable remains unaffected increases decreases unpredictable 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) × (R₁³ - R₂³) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁⁴ - R₂⁴) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁⁴ - R₂⁴) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of water is __________ than that of mercury. Higher None of these Lower Same as Higher None of these Lower Same as ANSWER DOWNLOAD EXAMIANS APP