Hydraulics & Fluid Mechanics A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ? 25 m/sec 10 m/sec 2 m/sec 50 m/sec 25 m/sec 10 m/sec 2 m/sec 50 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 600 675 337.5 300 600 675 337.5 300 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The flow which neglects changes in a transverse direction is known as uniform flow one dimensional flow turbulent flow steady flow uniform flow one dimensional flow turbulent flow steady flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A perfect gas is incompressible has constant viscosity is of theoretical interest None of these is incompressible has constant viscosity is of theoretical interest None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Specific weight of sea water is more that of pure water because it contains All of these dissolved salt suspended matter dissolved air All of these dissolved salt suspended matter dissolved air ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is parabolic distribution across the section constant over the cross section zero at plates and increases linearly to midpoint zero at the mid plane and varies linearly with distance from mid plane parabolic distribution across the section constant over the cross section zero at plates and increases linearly to midpoint zero at the mid plane and varies linearly with distance from mid plane ANSWER DOWNLOAD EXAMIANS APP