For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of_________________?

A. 2
B. 2
D. 1/2

Related Mcqs:

Applying a pressure drop across a capillary results in a volumetric flow rate ‘Q’ under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is____________________?
A. Q/2 B. Q/4 C. Q/8 D. Q/16...
In a fully turbulent flow (Re > 105) in a pipe of diameter ‘d’, for a constant pressure gradient, the dependence of volumetric flow rate of an incompressible fluid is_______________?
A. d B. d2 C. d2.5 D. d4...
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 the laminar flow of a fluid in a circular pipe of radius R, the Hagen-Poisseule equation predicts the volumetric flow rate to be proportional to____________________?
A. R B. R2 C. R4 D. R0.5...
A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in the pipe at any „x‟? Assume incompressible one dimensional flow i.e., no gradients in the radial direction ?
A. VX = V0 + q (x3/L2D) B. VX = V0 + ⅓q (x3/L2) C. VX = V0 + 2q (x2/LD) D. VX = V0 + (4/3) q (x3/L2D)...
The pressure drop per unit length of pipe incurred by a fluid ‘X’ flowing through pipe is Δp. If another fluid ‘Y’ having both the specific gravity & density just double of that of fluid ‘X’, flows through the same pipe at the same flow rate/average velocity, then the pressure drop in this case will be__________________?
A. Δp B. 2Δp C. Δp2 D. Δp/2...
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...
Horsepower increase of a centrifugal gas compressor without altering the volumetric flow rate will _____________ the gas discharge pressure?
A. Increase B. Decrease C. Not change D. Exponentially decrease...
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...
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...