A. Potential
B. Streamline
C. Creep
D. Boundary layer
Related Mcqs:
- 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 - In an incompressible flow of fluid, the fluid ________________?
A. Temperature remains constant
B. Compressibility is greater than zero
C. Density does not change with pressure & temperature
D. Is frictionless - 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 - 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 - In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant ?
A. Rotational
B. Unsteady
C. Turbulent
D. Non-uniform - The rate of shear versus the shear stress curves are time dependent for _____________ fluid?
A. Thixotropic
B. Rheopectic
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 - Where does the maximum stress occur in case of laminar flow of incompressible fluid in a closed conduit of diameter ‘d’ ?
A. At the centre
B. At d/4 from the wall
C. At the wall
D. At d/8 from the wall - Select the wrong statement pertaining to flow of an incompressible fluid through a Venturimeter ?
A. For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal to that
leaving the Venturimeter
B. Discharge of fluid through a Venturimeter depends upon the gage difference irrespective of
the orientation of Venturimeter
C. Venturimeter occupies less space than an orificemeter
D. Venturimeter incurs less power loss compared to an equivalent orificemeter - For one dimensional flow of an incompressible fluid in unsteady state in x-direction, the continuity equation is given by_______________?
A. ∂u/∂x = 0
B. ∂(ρu)/∂x = 0
C. (∂u/∂x) = – (∂ρ/∂t)
D. ∂ρ/∂t = 0
