A. Velocity at a point in the flow
B. Pressure at a point
C. Average flow velocity
D. Pressure difference in pipe flow
Related Mcqs:
- Pitot tube measures the ______________ of a fluid?
A. Pressure
B. Average velocity
C. Average flow rate
D. Point velocity - The simple Pitot tube measures the _______________ pressure?
A. static
B. Dynamic
C. Total
D. None of these - A Pitot tube indicates 5 cm of water (manometer) when it is being used for measuring velocity of air. The velocity of air in m/sec is___________________?
A. 5
B. 14.1
C. 56.22
D. 28.2 - The pitot static tube does not measure the _____________ pressure?
A. Static
B. Total
C. Difference in static & dynamic
D. All A., B. and C. - The simple Pitot tube does not measure the________________?
A. Static pressure
B. Dynamic pressure
C. Velocity at the stagnation point
D. All A., B. and C. - Prandtl number is a measure of the__________________?
A. Heat conduction to viscosity of a fluid
B. Cp/Cv of a fluid
C. Elastic force to pressure force in the fluid flow
D. Inertial force to elastic force in the fluid flow - The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the _____________ length?
A. Equivalent
B. Transition
C. Prandtl mixing
D. None of these - Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, ζ = surface tension of mercury)____________________?
A. d
B. 1/d
C. ζ
D. 1/ζ - Prandtl mixing length is___________________?
A. Applicable to laminar flow problems
B. A universal constant
C. Zero at the pipe wall
D. None of these - The Prandtl mixing length is_________________?
A. Zero at the pipe wall and is a universal constant
B. Independent of radial distance from the pipe axis
C. Independent of the shear stress
D. Useful for computing laminar flow problems
