Couette flow is characterized by ______ A. Steady, incompressible, laminar flow through a straight circular pipe B. Fully developed turbulent flow through a straight circular pipe C. Steady, incompressible, laminar flow between two fixed parallel plates D. Steady, incompressible, laminar flow betwe

Oil flows through a 200 mm diameter horizontal cast iron pipe (friction factor, f=0.0225) of length 500 m. The volumetric flow rate is 0.2 m3/s. The head loss (in m) due to friction is (assume g=9.81 m/s2) A. 116.18 B. 0.116 C. 18.22 D. 232.36

Consider fully developed flow in a circular pipe with negligible entrance length effects. Assuming the mass flow rate, density and friction factor to be constant, if the length of the pipe is doubled and the diameter is halved, the head loss due to friction will increase by a factor of A. 4 B. 16 C

Water at 250 C is flowing through a 1.0 km long G.I. pipe of 200 mm diameter at the rate of 0.07 m^3/s. If the value of Darcy friction factor for this pipe is 0.02 and the density of water is 1000 kg/m^3, the pumping power (in kW) required to maintain the flow is _______ A. 1.8 B. 17.4 C. 20.5 D. 4

What is an empirical formula in engineering? What is meant by empirical equation?

For steady, fully developed flow inside a straight pipe of diameter D, neglecting gravity effects, the pressure drop Δp over a length L and the wall shear stress τw are related by A. τw = ΔpD/4L B. τw = ΔpD^2/4L^2 C. τw = ΔpD/2L D. τw = 4ΔpL/D

The velocity profile of a fully developed laminar flow in a straight circular pipe, as shown in the figure, is given by the expression. Where dp/dx is a constant. The average velocity of the fluid in the pipe is A. −R^2/8μ (dp/dx) B. R^2/4μ (dp/dx) C. −R^2/2μ (dp/dx) D. −R^2/μ (dp/dx)

For a fully developed laminar flow of water (dynamic viscosity = 0.001 Pa-s) through a pipe of radius 5 cm, the axial pressure gradient is −10 Pa/m. The magnitude of axial velocity (in m/s) at a radial location of 0.2 cm is ____________

For a fully developed flow of water in a pipe having diameter 10 cm, velocity 0.1 m/s and kinematic viscosity 10^−5 m^2/s, the value of Darcy friction factor is ________________

Is flow rate same as velocity?