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
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 - Pick out the wrong statement pertaining to fluid flow ?
A. The ratio of average velocity to the maximum velocity for turbulent flow of Newtonian fluid
in circular pipes is 0.5
B. The Newtonian fluid velocity in a circular pipe flow is maximum at the centre of the pipe
C. Navier-Stokes equation is applicable to the analysis of viscous flows
D. Hagen-Poiseuille equation is applicable to the laminar flow of Newtonian fluids - 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 - Pick out the correct statement pertaining to Venturimeter ?
A. A Venturimeter with a fixed pressure drop discharges more, when the flow is vertically
downward, than when the flow is vertically upward
B. The co-efficient of contraction of a Venturimeter is always unity
C. For a fixed pressure drop, the discharge of a gas through a Venturimeter is greater, when
compressibility is taken into account, than when it is neglected
D. None of these - 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 - ____________ flow means the flow of incompressible fluid with no shear ?
A. Potential
B. Streamline
C. Creep
D. Boundary layer - 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 - 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 - 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 - Pick out the correct statement pertaining to transition/ entrance length in fluid flow ?
A. The length of entrance region of pipe, in which full development of fluid flow takes place
such that velocity profile does not change downstream, is called the transition length
B. Transition length for laminar flow of Newtonian fluids in a pipe of diameter ‘d’ is equal to
0.05. D.NRe
C. Transition length for turbulent flow of Newtonian fluids in a smooth pipe of diameter ‘d’ is
equal to 50 D
D. All A., B. and C.
