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 ? 10 m/sec 50 m/sec 25 m/sec 2 m/sec 10 m/sec 50 m/sec 25 m/sec 2 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A large Roynold number is indication of turbulent flow highly turbulent flow. LAMINAR FLOW smooth and streamline flow turbulent flow highly turbulent flow. LAMINAR FLOW smooth and streamline flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of surface tension viscosity friction cohesion surface tension viscosity friction cohesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A perfect gas is of theoretical interest is incompressible None of these has constant viscosity is of theoretical interest is incompressible None of these has constant viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is 160 between 1 and 100 less than 1 200 160 between 1 and 100 less than 1 200 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than 10.0 m above the hydraulic gradient 5.0 above the hydraulic gradient 2.4 m above the hydraulic gradient 6.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 5.0 above the hydraulic gradient 2.4 m above the hydraulic gradient 6.4 m above the hydraulic gradient ANSWER DOWNLOAD EXAMIANS APP
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