Hydraulics & Fluid Mechanics The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe) 1/3 R 3/4 R 1/2 R 2/3 R 1/3 R 3/4 R 1/2 R 2/3 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A perfect gas is incompressible is of theoretical interest None of these has constant viscosity is incompressible is of theoretical interest None of these has constant viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? a cylinder a sphere a circular disc or plate held normal to flow an airfoil a cylinder a sphere a circular disc or plate held normal to flow an airfoil ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The region between the separation streamline and the boundary surface of the solid body is known as wake drag lift boundary layer wake drag lift boundary layer ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The flow which neglects changes in a transverse direction is known as one dimensional flow steady flow turbulent flow uniform flow one dimensional flow steady flow turbulent flow uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is 40 M/SEC 50 M/SEC 33 M/SEC 22.5 M/SEC 40 M/SEC 50 M/SEC 33 M/SEC 22.5 M/SEC ANSWER DOWNLOAD EXAMIANS APP