Power required for mixing Newtonian fluids is a function of the _________________?

A. Speed of impeller, diameter of impeller & viscosity
B. Density & viscosity of fluid only
C. Density of fluid, viscosity of fluid & impeller dia only
D. None of these

Related Mcqs:

What is the shear rate at the pipe wall, in case of laminar flow of Newtonian fluids in a pipe of diameter ‘D’ & length ‘L’ incurring a pressure drop ‘Δp’ with average velocity ‘Vavg’ ?
A. D Δp/8L B. D Δp/4L C. 8 Vavg/D D. 4 Vavg/D...
For laminar flow of Newtonian fluids through a circular pipe, for a given pressure drop and length & diameter of pipe, the velocity of fluid is proportional to (where, μ = fluid viscosity ) ?
A. μ B. 1/μ C. √μ D. 1/√μ...
The velocity profile exhibited by laminar flow of Newtonian fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an ______________ with the apex at the centre line of the pipe?
A. Hyperbola B. Parabola C. Semi-circle D. Semi-ellipse...
For laminar flow of Newtonian fluid in a circular pipe, the velocity distribution is a function of the distance ‘d’ measured from the centre line of the pipe, and it follows a ______________ relationship?
A. Logarithmic B. Parabolic C. Hyperbolic D. Linear...
For turbulent flow of Newtonian fluid in a circular cross-section pipe, the ratio of maximum to average fluid velocity is ________________?
A. 0.5 B. 1 C. 0.66 D. < 0.5...
An ideal plastic substance indicates no deformation, when stressed upto yield stress, but behaves like a Newtonian fluid beyond yield stress. Which of the following is an ideal plastic ?
A. Sewage sludge B. Rubber latex C. Blood D. Sugar solution...
In case of turbulent flow of a Newtonian fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity)?
A. Vavg B. 1.2 Vavg C. 1.5 Vavg D. 1.8 Vavg...
Sewage sludge is ______________ type of non-Newtonian fluid?
A. Dilatant B. Bingham plastic C. Pseudo plastic D. None of these...
The ratio of average fluid velocity to the maximum velocity in case of laminar flow of a Newtonian fluid in a circular pipe is_____________________?
A. 0.5 B. 1 C. 2 D. 0.66...
A Newtonian liquid (ρ = density, μ = viscosity) is flowing with velocity „v‟ in a tube of diameter ‘D’. Let Δp be the pressure drop across the length ‘L’. For a laminar flow, Δp is proportional to_________________?
A. Lρv2/D B. LμV/D2 C. Dρv2/L D. μV/L...