Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Decreases Increases Remain same None of these Decreases Increases Remain same None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two dimensional flows occurs when The magnitude and direction of the velocity do not change from point to point in the fluid The velocity of successive fluid particles, at any point, is the same at successive periods of time The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane The direction and magnitude of the velocity at all points are identical The magnitude and direction of the velocity do not change from point to point in the fluid The velocity of successive fluid particles, at any point, is the same at successive periods of time The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane The direction and magnitude of the velocity at all points are identical 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) × (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) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in which the particles of a fluid attain such velocities that varies from point to point in magnitude and direction as well as from instant to instant, is known as Turbulent flow Uniform flow Steady flow One dimensional flow Turbulent flow Uniform flow Steady flow One dimensional flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of resistance is the ratio of Actual velocity of jet at vena-contracta to the theoretical velocity Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual discharge through an orifice to the theoretical discharge Actual velocity of jet at vena-contracta to the theoretical velocity Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual discharge through an orifice to the theoretical discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Buoyant force is Equal to the volume of liquid displaced The resultant force on a body due to the fluid surrounding it The resultant force acting on a floating body The force necessary to maintain equilibrium of a submerged body Equal to the volume of liquid displaced The resultant force on a body due to the fluid surrounding it The resultant force acting on a floating body The force necessary to maintain equilibrium of a submerged body ANSWER DOWNLOAD EXAMIANS APP
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