Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Double Eight times Four times Sixteen times Double Eight times Four times Sixteen times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is dimensionless? Specific gravity Specific speed Specific volume Specific weight Specific gravity Specific speed Specific volume Specific weight 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) 0.20 cm 0.10 cm 0.05 cm 0.40 cm 0.20 cm 0.10 cm 0.05 cm 0.40 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of Necessity of air vessel Lower discharge Lower speed of operation High initial and maintenance cost Necessity of air vessel Lower discharge Lower speed of operation High initial and maintenance cost ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of water at 20°C is One centipoise One centistoke One stoke One poise One centipoise One centistoke One stoke One poise ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant pressure, the speed capacity and power vary Inversely as density Directly as the air or gas density As square of density Inversely as square root of density Inversely as density Directly as the air or gas density As square of density Inversely as square root of density ANSWER DOWNLOAD EXAMIANS APP
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