A. Rotameter
B. Pitot tube
C. V-notch
D. All A., B. and C.
Related Mcqs:
- With increase in the ratio of orifice diameter to pipe diameter, the fraction of the orifice pressure differential that is permanently lost________________?
A. Increases
B. Decreases
C. Remains unchanged
D. Increases exponentially - For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively)?
A. Increase
B. Decrease
C. Remain constant
D. Either A. or B.; depends on other factors - The discharge co-efficient for an orifice meter does not depend upon the ___________________?
A. Pipe length
B. Ratio of pipe diameter to orifice diameter
C. Type of orifice & the Reynolds number
D. Pipe diameter - 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 - The actual velocity at vena-contracta for flow through an orifice from a reservoir is given by_____________________?
A. Cv . √(2gH)
B. Cc . √(2gH)
C. Cd . √(2gH)
D. Cv . Va - Cd, Cc and Cv are related (for flow through an orifice) as (where, Cd = discharge co-efficient, Cc = co-efficient of contraction = (area of jet at vena-contracta/area of opening), Cv = co-efficient of velocity = (actual velocity at vena-contracta/theoretical velocity)?
A. Cd = Cc/Cv
B. Cd = Cc.Cv
C. Cd = Cv/ Cc
D. None of these - For flow through an orifice from a reservoir, the actual velocity at the vena contracta is given by _________________?
A. √(2gh)
B. C.V. √(2gh)
C. Cd √(2gh)
D. Cc √(2gh) - Which is not a variable head meter _________________?
A. Venturimeter
B. Pitot tube
C. Rotameter
D. None of these - Which of the following flow measuring devices is an area meter ?
A. Venturimeter
B. Orificemeter
C. Anemometer
D. Rotameter
