Flow Measurement MCQ Quiz With Answers

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  • 1/12 Questions

    Which unit of measurement is commonly associated with flow rate?

    •  Gallons per minute
    • Pounds per square inch
    • Feet per second
    •  Inches of water
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About This Quiz

Hey, check out this fun and amazing 'Flow measurement quiz' that is given below. Flow measurement is an interesting concept and has various technical aspects attached to it. This quiz here consists of questions related to fluid flow, flow rate, and total flow volumes. Try answering these questions and see how much knowledge you have on this topic. If you score more than 70%, it means that you have a good understanding of Flow measurement. So, good luck with it!

Flow Measurement MCQ Quiz With Answers - Quiz

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  • 2. 

    Which of these terms best describes the amount of fluid that's passing some point at any given time?

    • A. Flow rate

    • B. Total flow

    • C. Laminar flow

    • D. Turbulent flow

    Correct Answer
    A. A. Flow rate
    Explanation
    Flow rate is the best term to describe the amount of fluid that is passing through a point at any given time. It refers to the volume or mass of fluid that is moving per unit of time. Flow rate can be measured in various units such as liters per second or cubic meters per hour. It is an important parameter in fluid dynamics and is used to quantify the rate at which fluid is flowing in a system.

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  • 3. 
    What is the purpose of the orifice plate in this flow measuring arrangement? - ProProfs

    What is the purpose of the orifice plate in this flow measuring arrangement?

    • A. To create a differential pressure

    • B. To change the level of the fluid

    • C. To change the temperature of the fluid

    • D. To stop the flow of the fluid

    Correct Answer
    A. A. To create a differential pressure
    Explanation
    The purpose of the orifice plate in this flow measuring arrangement is to create a differential pressure. The orifice plate is inserted into the flow of fluid, causing a restriction. This restriction creates a pressure drop across the plate, which can be measured and used to calculate the flow rate of the fluid. By creating a differential pressure, the orifice plate allows for accurate measurement of the flow rate in the system.

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  • 4. 

    Select the choice that best describes what the flow rate is.

    • The amount of fluid that's passing some point at any given time.

    • The total amount of fluid that has passed a designated point.

    • The amount of air needed to make bubbles rise in a bubbler system.

    • The ratio of a fluid's turbidity to its opacity.

    Correct Answer
    A. The amount of fluid that's passing some point at any given time.
    Explanation
    The correct answer is "The amount of fluid that's passing some point at any given time." This choice accurately describes the concept of flow rate, which is the measure of how much fluid is moving through a specific point in a given amount of time. It does not refer to the total amount of fluid that has passed a designated point or the amount of air needed for bubbles in a bubbler system, nor does it involve the ratio of a fluid's turbidity to its opacity.

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  • 5. 

    The D/P cell in a flow measurement device relies on differential pressure created by which component?

    • A. Plummet

    • B. Float

    • C. Rotor

    • D. Orifice plate

    Correct Answer
    A. D. Orifice plate
    Explanation
    The correct answer is D. Orifice plate. The D/P (differential pressure) cell in a flow measurement device relies on the differential pressure created by the orifice plate. The orifice plate creates a restriction in the flow path, causing a pressure drop across it. The D/P cell measures the difference in pressure before and after the orifice plate, which can be used to calculate the flow rate. Plummet, float, and rotor are not components typically used in creating the differential pressure for flow measurement.

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  • 6. 

    What is a meter that indicates gallons per minute most likely measuring?

    •  Flow rate

    • Total flow

    • Laminar flow

    • Turbulent flow

    Correct Answer
    A.  Flow rate
    Explanation
    A meter that indicates gallons per minute is most likely measuring the flow rate. Flow rate refers to the volume of fluid that passes through a particular point in a given amount of time. In this case, the meter is specifically measuring the rate at which gallons of fluid are flowing per minute.

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  • 7. 

    "If a meter measures the total amount of fluid that has passed a designated point, then what is it most likely measuring?"

    • Laminar flow

    • Turbulent flow

    • Total flow

    • Flow rate

    Correct Answer
    A. Total flow
    Explanation
    The meter is most likely measuring the total amount of fluid that has passed a designated point. This means that it is measuring the cumulative volume or quantity of fluid that has flowed through the point, regardless of whether the flow is laminar or turbulent. The other options, such as laminar flow, turbulent flow, and flow rate, are specific characteristics or measurements related to the flow, but they do not encompass the overall total amount of fluid that has passed the point.

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  • 8. 

    Select the term that best describes the principle on which this nutating disc meter operates.

    • Laminar turbulence

    • Equalization of level

    • Positive displacement

    • Differential viscosity

    Correct Answer
    A. Positive displacement
    Explanation
    The nutating disc meter operates based on the principle of positive displacement. This means that the meter measures the flow of fluid by repeatedly filling and emptying a chamber, resulting in accurate and precise measurements. Positive displacement meters are commonly used in applications that require precise measurement of fluid flow, such as in the petroleum industry or in water distribution systems.

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  • 9. 

    "A meter uses the velocity of a fluid to determine the flow rate. What is the meter called?

    • Nutating disc meter

    • Oval gear meter

    • Orifice plate meter

    • Turbine flow meter

    Correct Answer
    A. Turbine flow meter
    Explanation
    A turbine flow meter is used to determine the flow rate of a fluid by measuring its velocity. This type of meter consists of a turbine rotor that spins as the fluid passes through it. The rotational speed of the turbine is directly proportional to the velocity of the fluid, allowing for accurate flow rate measurement. Turbine flow meters are commonly used in various industries, including oil and gas, water treatment, and chemical processing, due to their reliability and wide range of applications.

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  • 10. 

    "When a weir is placed in an open channel, which of these factors is used to determine fluid flow rate?"

    • A. Pressure

    • B. Weight

    • C. Level

    • D. Clarity

    Correct Answer
    A. C. Level
    Explanation
    When a weir is placed in an open channel, the fluid flow rate is determined by the level of the fluid. The level of the fluid in the channel determines the height of the weir, which in turn affects the flow rate. As the level of the fluid increases, the flow rate over the weir also increases. Therefore, the level of the fluid is a crucial factor in determining the fluid flow rate in this scenario.

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  • 11. 

    Select the term that best describes the amount of fluid that has passed a designated point.

    • Flow rate

    • Gallons per minute

    •  Total flow

    • Flow velocity

    Correct Answer
    A.  Total flow
    Explanation
    Total flow is the term that best describes the amount of fluid that has passed a designated point. It refers to the cumulative amount of fluid that has flowed through a specific location over a given period of time. Flow rate, on the other hand, refers to the rate at which the fluid is flowing, while gallons per minute is a unit used to measure flow rate. Flow velocity, on the other hand, refers to the speed at which the fluid is flowing. Therefore, total flow is the most appropriate term to describe the amount of fluid that has passed a designated point.

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  • 12. 

    Select all of the statements that can be applied to a nutating disc meter.

    • A. It traps fluid above and below the disc.

    • B. It contains a plummet.

    • C. It operates on the principle of positive displacement.

    • D. It has turbine blades mounted in the fluid flow path.

    Correct Answer(s)
    A. A. It traps fluid above and below the disc.
    A. C. It operates on the principle of positive displacement.
    Explanation
    A nutating disc meter traps fluid above and below the disc, which allows for accurate measurement. It operates on the principle of positive displacement, meaning that it measures fluid flow by trapping and displacing a fixed volume of fluid with each rotation of the disc. The presence of a plummet or turbine blades is not mentioned or applicable to a nutating disc meter.

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  • Current Version
  • May 24, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 06, 2011
    Quiz Created by
    Gshalansky
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