1. . A steady, continuous stream or supply of something is called ____________.
(A) Flow
(B) Pressure
(C) Level
(D) Vibration
2. . The amount of fluid that flows in a given time is called ____________.
(A) Flow
(B) Total Flow
(C) Flow rate
(D) Time Flow
3. . Basic properties of fluids is/are ____________.
(A) Viscosity
(B) Temperature
(C) Density
(D) All these
4. . The mass per unit volume of a fluid is known as ____________.
(A) Viscosity
(B) Flow rate
(C) Density
(D) Specific gravity
5. . Steam flow rate is usually measured in ____________.
(A) Gallons per minute
(B) Pounds per hour
(C) Liters
(D) Cubic feet
6. . Which one of the following is not the property of the fluid?
(A) Viscosity
(B) Temperature
(C) Resistivity
(D) Density
7. . Pounds per hour is the measuring unit of ____________.
(A) Mass Flow rate
(B) Total Flow
(C) Volumetric Flow rate
(D) Time Flow
8. . The quantity of fluid that moves through a pipe or channel in a given period of time is called ____________.
(A) Flow
(B) Total Flow
(C) Flow rate
(D) Time Flow
9. . Gallons per minute is the measuring unit of ____________.
(A) Mass Flow rate
(B) Total Flow
(C) Volumetric Flow rate
(D) Positive Flow
10. . Which of the following is flow rate meter?
(A) Nutating disc
(B) Meshed oval gear
(C) Rotating vane type
(D) Rota meter
11. . Viscosity is the fluid property that determines the amount of _________ of the fluid to shear stress.
(A) Surface tension
(B) Resistance
(C) Force
(D) Pressure
12. . Viscosity decreases with increase in ____________.
(A) Flow
(B) Pressure
(C) Force
(D) Temperature
13. . The measuring unit of Viscosity is ____________.
(A) Centipoise
(B) Pascal
(C) Pound per hour
(D) Atmosphere
14. . The ratio of inertial forces to viscous forces of the fluid is known as ____________.
(A) Natural Number
(B) Valance number
(C) Reynolds number
(D) Atomic Number
15. . If the Reynolds number is greater than _______ the flow is turbulent.
(A) 3500
(B) 4500
(C) 2500
(D) 1500
16. . The flowmeters introduced a restriction into the pipe, which results in a pressure drop across the constraint are ____________.
(A) Positive displacement flowmeter
(B) Differential pressure flowmeters
(C) Magnetic Flowmeter
(D) Vortex flowmeter
17. . Which of the following is used as differential pressure creating element?
(A) Bimetallic Strip
(B) Orifice plate
(C) Diaphragm
(D) Bellows
18. . At vena contracta velocity is maximum and pressure is ____________.
(A) Minimum
(B) Maximum
(C) Constant
(D) Zero
19. . An orifice plate is a device used for measuring ____________.
(A) Open channel flow
(B) Time flow
(C) Total Flow
(D) Flow rate
20. . Bernoulli's principle which states that there is a relationship between the pressure of the fluid and the __________ of the fluid.
(A) Temperature
(B) Viscosity
(C) Velocity
(D) Density
21. . The ratio of bore diameter (d) of orifice to inside pipe diameter (D) is ____________.
(A) Alpha ratio
(B) Beta Ratio
(C) Gemma Ratio
(D) Theta Ratio
22. . Differential pressure flow meters are also known as ____________.
(A) Barometer
(B) Rota meter
(C) Variable Head meter
(D) Positive displacement meter
23. . Which of the following is not a differential pressure creating element?
(A) Pitot tube
(B) Orifice plate
(C) Diaphragm
(D) Elbow tap
24. . To measure speed of an aircraft ____________ is used.
(A) Pitot tube
(B) Orifice plate
(C) Flow nozzle
(D) Elbow tap
25. . Rota meter is type of ____________.
(A) Variable area meter
(B) Variable head meter
(C) Positive displacement meter
(D) Differential pressure meter
26. . The meters which operate at a constant ΔP and the area changes with the flow rate are ____________.
(A) Variable area meter
(B) Variable head meter
(C) Positive displacement meter
(D) Differential pressure meter
27. . Positive Displacement (PD) Flow meters are _____________ that measure flow by passing a precise volume of fluid with each revolution.
(A) Mass Flowmeter
(B) Total Flowmeter
(C) Volumetric Flow meter
(D) Positive Flowmeter
28. . Which of the following is not a positive displacement flowmeter?
(A) Nutating disc
(B) Meshed oval gear
(C) Rotating vane type
(D) Dall tube
29. . A magnetic flow meter (mag flow meter) is a volumetric flow meter which does not have ____________.
(A) Any part
(B) Moving part
(C) Display
(D) Flow counter
30. . The meter ideal for wastewater applications or any dirty liquid which is conductive or water based is ____________.
(A) Vortex flow meter
(B) Ultrasonic flowmeter
(C) Magnetic flow meter
(D) Mass flowmeter
31. . Magnetic flowmeter works on ____________.
(A) Pascal’s law
(B) Faraday’s law
(C) Ohm’s law
(D) Newton’s law
32. . In magnetic flow meters the signal voltage (E) is dependent on ____________.
(A) Average liquid velocity (V)
(B) Magnetic field strength (B)
(C) Length of the conductor (D)
(D) All these
33. . In vortex flowmeter the vortices produced is directly proportional to ____________.
(A) Flow rate
(B) Pressure
(C) Diameter of pipe
(D) Type of the fluid
34. . Ultrasonic flow meter works on the basis of ___________ method of flow measurement.
(A) Variable area
(B) Optical
(C) Differential pressure
(D) Acoustic
35. . Coriolis Flow Meter is a type of ____________.
(A) Mass Flowmeter
(B) Total Flowmeter
(C) Volumetric Flow meter
(D) Positive displacement Flowmeter
36. . As flow of the gas increases, more heat is absorbed by the flowing gas in ____________.
(A) Magnetic flow meter
(B) Rotameter
(C) Thermal mass flow meter
(D) Ultrasonic flow meter
37. . The flowmeter which cannot measure bidirectional flow is ____________.
(A) Magnetic flow meter
(B) Rotameter
(C) Coriolis mass flowmeter
(D) Ultrasonic flow meter
38. . A rotameter works on the principle of variable ____________.
(A) Resistance
(B) Pressure
(C) Length
(D) Area