Consider the two-dimensional velocity field given by \(\vec V = \left( – McqOptions

MCQOPTIONS

1.	Consider the two-dimensional velocity field given by \(\vec V = \left( {5 + {a_1}x + {b_1}y} \right)\hat i + \left( {4{a_2}x + {b_2}y} \right)\hat j,\) where a1, b1, a2 and b2 Are constants. Which one of the following conditions needs to be satisfied for the flow to be incompressible?
A.	a1 + b1 = 0
B.	a1 + b2 = 0
C.	a2 + b2 = 0
D.	a2 + b1 = 0
Answer» C. a2 + b2 = 0

Discussion

No Comment Found

Related MCQs

If the fluid mass is moving in a curved path with the help of some external torque, the flow is called?
A stream function is given by ψ = 2xy. The magnitude of velocity at (3, 4) is-
A streamline is a line
In a steady flow through a nozzle, the flow velocity on the nozzle axis is given by \(v\; = \;u_o\left( {1 + \frac{{3{\rm{x}}}}{L}} \right){\rm{}},\) where x is the distance along the axis of the nozzle from its inlet plane and L is the length of the nozzle. The time required for a fluid particle on the axis to travel from the inlet to the exit plane of the nozzle is
In a two-dimensional velocity field with velocities u and v along the x and y directions respectively, the convective acceleration along the x-direction is given by
Flooding of a river is an example of __________ flow.
A fluid is ideal if it is
A fluid flow is described by velocity field U̅ = 4x2i – 5x2yj + 1kWhat is the absolute velocity (in magnitude) at the point (2, 2, 1)?
In Laminar flow
A continuous line drawn through the fluid so that it has the direction of velocity vector at every point is known as: