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
Related Mcqs:
- 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 - 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. - In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow ?
A. Discharge of water by a centrifugal pump being run at a constant rpm
B. Water flow in the suction and discharge pipe of a reciprocating pump
C. Water discharge from a vertical vessel in which constant level is maintained
D. Low velocity flow of a highly viscous liquid through a hydraulically smooth pipe - Bernoulli’s equation for fluid flow is derived following certain assumptions. Out of the assumptions listed below, which set of assumptions is used in derivation of Bernoulli’s equation? A. Fluid flow is frictionless & irrotational. B. Fluid flow is steady. C. Fluid flow is uniform & turbulent. D. Fluid is compressible. E. Fluid is incompressible ?
A. A, C, D
B. B, D, E
C. A, B, E
D. A, D, E - 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 - A streamline is_________________?
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 - If in a flow field, between any two points, then the flow must be___________________?
A. Steady, incompressible, irrotational
B. Steady, compressible, irrotational
C. Steady, compressible and along a streamline
D. Unsteady, incompressible, irrotational - The energy loss in flow through Venturimeter is less than that through flow nozzle, because in case of a flow nozzle, the ?
A. Length is shorter
B. Throat diameter is more
C. Sudden expansion of flow in the downstream occurs
D. Distance between the throat and the inlet is more - 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 - The line traced by a single fluid particle as it moves over a period of time is called ______________ line?
A. Stream
B. Path
C. Equipotential
D. None of these
