A. The line connecting the mid-points of flow cross-sections
B. Defined for uniform flow only
C. Drawn normal to the velocity vector at every point
D. Always the path of a particle
Related Mcqs:
- Velocity at a certain point in case of streamline flow is_________________?
A. Constant
B. Independent of time
C. Both A. & B.
D. Neither A. nor B. - The ratio of maximum to average velocity in case of streamline flow between parallel plates is______________________?
A. 1
B. 1.5
C. 2
D. 2.5 - A streamline is a line in flow field _________________?
A. That is traced by all the fluid particles passing through a given point
B. Along which a fluid particle travels
C. Such that at every point on it, the velocity is tangential to it
D. None of these - Pick out the wrong statement about a streamline ?
A. It is always parallel to the main direction of the fluid flow
B. It is a line across which there is no flow and it is equivalent to a rigid boundary
C. Streamlines intersect at isolated point of zero velocity and infinite velocity
D. The fluid lying between any two streamlines can be considered to be in isolation and the
streamline spacing varies inversely as the velocity - For turbulent flow of an incompressible fluid through a pipe, the flow rate „Q‟ is proportional to (Δ P)n, where ΔP is the pressure drop. The value of exponent ‘n’ is_________________?
A. 1
B. 0
C. < 1
D. > 1 - If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is_________________?
A. Same in both the tubes
B. Greater in 1 mm dia tube
C. Greater in 0.5 mm dia tube
D. Zero in both the tubes - The unit of velocity head is_________________?
A. ft-lb/sec
B. ft-lb/ft3
C. ft-lbf/lb
D. ft-lbf/sec - The ratio of wall drag to total drag in the Stoke’s law range is_________________?
A. 0.5
B. 1
C. 1/3
D. 2/3 - For flow of fluids through packed bed, the superficial velocity is_________________?
A. Less than the average velocity through channels
B. More than the average velocity through channels
C. Dependent on the pressure drop across the bed
D. Same as the average velocity through channels - Nature of fluid flow during the opening of a valve in a pipeline is_________________?
A. Laminar
B. Unsteady
C. Steady
D. Uniform
