Chapter 18 FLOW MEASUREMENTS MCQs

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1. . A steady, continuous stream or supply of something is called ____________.





2. . The amount of fluid that flows in a given time is called ____________.





3. . Basic properties of fluids is/are ____________.





4. . The mass per unit volume of a fluid is known as ____________.





5. . Steam flow rate is usually measured in ____________.





6. . Which one of the following is not the property of the fluid?





7. . Pounds per hour is the measuring unit of ____________.





8. . The quantity of fluid that moves through a pipe or channel in a given period of time is called ____________.





9. . Gallons per minute is the measuring unit of ____________.





10. . Which of the following is flow rate meter?





11. . Viscosity is the fluid property that determines the amount of _________ of the fluid to shear stress.





12. . Viscosity decreases with increase in ____________.





13. . The measuring unit of Viscosity is ____________.





14. . The ratio of inertial forces to viscous forces of the fluid is known as ____________.





15. . If the Reynolds number is greater than _______ the flow is turbulent.





16. . The flowmeters introduced a restriction into the pipe, which results in a pressure drop across the constraint are ____________.





17. . Which of the following is used as differential pressure creating element?





18. . At vena contracta velocity is maximum and pressure is ____________.





19. . An orifice plate is a device used for measuring ____________.





20. . Bernoulli's principle which states that there is a relationship between the pressure of the fluid and the __________ of the fluid.





21. . The ratio of bore diameter (d) of orifice to inside pipe diameter (D) is ____________.





22. . Differential pressure flow meters are also known as ____________.





23. . Which of the following is not a differential pressure creating element?





24. . To measure speed of an aircraft ____________ is used.





25. . Rota meter is type of ____________.





26. . The meters which operate at a constant ΔP and the area changes with the flow rate are ____________.





27. . Positive Displacement (PD) Flow meters are _____________ that measure flow by passing a precise volume of fluid with each revolution.





28. . Which of the following is not a positive displacement flowmeter?





29. . A magnetic flow meter (mag flow meter) is a volumetric flow meter which does not have ____________.





30. . The meter ideal for wastewater applications or any dirty liquid which is conductive or water based is ____________.





31. . Magnetic flowmeter works on ____________.





32. . In magnetic flow meters the signal voltage (E) is dependent on ____________.





33. . In vortex flowmeter the vortices produced is directly proportional to ____________.





34. . Ultrasonic flow meter works on the basis of ___________ method of flow measurement.





35. . Coriolis Flow Meter is a type of ____________.





36. . As flow of the gas increases, more heat is absorbed by the flowing gas in ____________.





37. . The flowmeter which cannot measure bidirectional flow is ____________.





38. . A rotameter works on the principle of variable ____________.





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