Fluid in Motion

What describes the motion of the fluid properties such as velocity are functions of both space and time?

• Newtonian Description

• Eulerian Description

• Lagrangian Description

• Bernoulli's Description

If the quantities of interest do not depend on time, that is, V = V (x, y, z), the flow is said to be __________.

• Weak Flow

• Strong Flow

• Steady Flow

• Viscous Flow

What is defined as an instantaneous line whose points are occupied by all particles originating from one specified point in the flow field?

• Streakline

• Pathline

• Streamline

• Curveline

What is a tube whose walls are streamlines?

• PVC tube

• Streaktube

• Plastictube

• Streamtube

The velocity vector V is given in component form as V = ui + vj + wk, where (u,v,w) are the velocity components in the x, y, and z- directions, respectively, what do you call the (i, j, k) components?

• unit variables

• unit vectors

• unit displacements

• unit factors

What is a flow field that has a locus point traverse by a given particle as it travels in a field of flow?

• Pathline

• Streakline

• Streamline

• Baseline

What is a reference frame that moves with constant velocity without rotating?

• Newtonian Reference Frame

• Vector Reference Frame

• Non-inertial Reference Frame

• Inertial Reference Frame