Hydraulics and Fluid Mechanics in ME The weight per unit volume of a liquid at a standard temperature and pressure is called Specific gravity None of these Specific weight Mass density Specific gravity None of these Specific weight Mass density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity. IG sin²θ/Ax̅ below IG sinθ/Ax̅ above IG sinθ/Ax̅ below IG sin²θ/Ax̅ above IG sin²θ/Ax̅ below IG sinθ/Ax̅ above IG sinθ/Ax̅ below IG sin²θ/Ax̅ above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, turbulent flow occurs when Reynolds number is more than 4000 between 2000 and 4000 less than 4000 less than 2000 more than 4000 between 2000 and 4000 less than 4000 less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Stream lines and path lines always coincide in case of steady flow uniform flow turbulent flow laminar flow steady flow uniform flow turbulent flow laminar flow 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 0.05 cm 0.10 cm 0.40 cm 0.20 cm 0.05 cm 0.10 cm 0.40 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid) 8μvl/wd² 32μvl/wd² 4μvl/wd² 16μvl/wd² 8μvl/wd² 32μvl/wd² 4μvl/wd² 16μvl/wd² ANSWER DOWNLOAD EXAMIANS APP