Hydraulics and Fluid Mechanics in ME According to fan laws, at constant speed and capacity, the pressure and power vary Inversely as density As square of density Directly as the air or gas density Inversely as square root of density Inversely as density As square of density Directly as the air or gas density Inversely as square root of density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.05 cm 0.40 cm 0.20 cm 0.10 cm 0.05 cm 0.40 cm 0.20 cm 0.10 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pitot tube is used to measure stagnation pressure velocity at stagnation point dynamic pressure static pressure stagnation pressure velocity at stagnation point dynamic pressure static pressure 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) 0.375v²/2g 0.75v²/2g 0.5v²/2g v²/2g 0.375v²/2g 0.75v²/2g 0.5v²/2g v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The units of dynamic or absolute viscosity are metres² per sec newton-sec² per meter newton-sec per meter kg sec/meter metres² per sec newton-sec² per meter newton-sec per meter kg sec/meter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called Density of liquid Compressibility of liquid Surface tension of liquid Specific gravity of liquid Density of liquid Compressibility of liquid Surface tension of liquid Specific gravity of liquid ANSWER DOWNLOAD EXAMIANS APP
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