A. Dynamic
B. Static
C. Total
D. None of these
Related Mcqs:
- Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of ______________ pressure?
A. Small differential
B. Atmospheric
C. Absolute
D. Gage - Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water column in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm)?
A. H
B. 12.6 H
C. 13.6 H
D. 14.6 H - The location of centre of pressure, which defines the point of application of the total pressure force on the surface, can be calculated by applying the principle of moments according to which “sum of the moment of the resultant force about an axis is equal to the sum of the components about the same axis”. The centre of pressure of a rectangular surface (of width ‘w’) immersed vertically in a static mass of fluid is at a depth of (where, y = depth of the liquid) ?
A. 1/(y/3)
B. 2y/3
C. 1/(y/4)
D. 3y/4 - 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 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 - In a/an _____________, the flow rate of fluids is obtained by measuring the difference between the impact and the static pressure?
A. Rotameter
B. Pitot tube
C. Venturimeter
D. Flow nozzle - Centre of pressure of a plane surface of arbitrary shape immersed vertically in a static mass of fluid________________?
A. Lies above the centroid of the plane surface
B. Is independent of the specific weight of the fluid
C. Is different for different fluids
D. Is at the centroid of the plane surface - ____________ is used for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline?
A. Venturimeter
B. Pressure gauge
C. Pitot tube
D. Orificemeter - The pressure co-efficient is the ratio of pressure forces to ______________ forces?
A. Viscous
B. Inertial
C. Gravity
D. Surface tension
