Hydraulics and Fluid Mechanics in ME According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary As square of density Inversely as square root of density Directly as the air or gas density Inversely as density As square of density Inversely as square root of density Directly as the air or gas density Inversely as density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.423 D 0.707 D 0.577 D 0.223 D 0.423 D 0.707 D 0.577 D 0.223 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe) v²/2g 0.75v²/2g 0.5v²/2g 0.375v²/2g v²/2g 0.75v²/2g 0.5v²/2g 0.375v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Runaway speed of a hydraulic turbine is The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open Full load speed The speed corresponding to maximum overload permissible The speed at which turbine runner will be damaged The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open Full load speed The speed corresponding to maximum overload permissible The speed at which turbine runner will be damaged ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as Turbulent flow Steady flow Uniform flow Vortex flow Turbulent flow Steady flow Uniform flow Vortex flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Ratio of inertia force to elastic force is known as Froude number Weber’s number Reynold’s number Mach number Froude number Weber’s number Reynold’s number Mach number ANSWER DOWNLOAD EXAMIANS APP
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