Hydraulics and Fluid Mechanics in ME A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is 7 6 5 1 7 6 5 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum efficiency of transmission through a pipe is 0.5 0.7666 0.567 0.6667 0.5 0.7666 0.567 0.6667 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) 0.40 cm 0.05 cm 0.10 cm 0.20 cm 0.40 cm 0.05 cm 0.10 cm 0.20 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called Pascal’s law D-Alembert’s principle Archimedes’s principle None of these Pascal’s law D-Alembert’s principle Archimedes’s principle None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Choose the wrong statement. Alcohol is used in manometer, because It provides longer length for a given pressure difference It provides suitable meniscus for the inclined tube Its vapour pressure is low Its density is less It provides longer length for a given pressure difference It provides suitable meniscus for the inclined tube Its vapour pressure is low Its density is less ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is 800 kg/m3 200 kg/m3 600 kg/m3 400 kg/m3 800 kg/m3 200 kg/m3 600 kg/m3 400 kg/m3 ANSWER DOWNLOAD EXAMIANS APP