Hydraulic Power Systems Quiz
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Hydraulic Power Systems Quiz

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@TollFreePreRaphaelites

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Questions and Answers

What is the main role of pressure switches in a hydraulic system?

  • To operate the cockpit fire panel
  • To automatically refill the hydraulic reservoir
  • To increase the hydraulic fluid temperature
  • To detect low pump pressure output (correct)
  • Which statement about engine-driven pumps is accurate?

  • They are variable displacement pumps connected to the engine. (correct)
  • They are permanently disconnected from the engine.
  • They operate independently of the aircraft's electrical system.
  • They are only used in electric-powered aircraft.
  • What function does the engine pump fire shutoff valve serve?

  • To maintain continuous hydraulic pressure.
  • To enhance the engine's hydraulic power output.
  • To initiate hydraulic fluid cooling.
  • To cut off hydraulic fluid supply during an engine fire. (correct)
  • How is the engine pump fire shutoff valve activated?

    <p>Electrically by the fire push buttons in the cockpit</p> Signup and view all the answers

    What is usually indicated by low pump pressure output?

    <p>Failure in one or more pumps</p> Signup and view all the answers

    Study Notes

    Hydraulic Power Sources

    • Engine-driven pumps (EDP) are the primary source of hydraulic power.
    • Electric and air-driven pumps are also used.
    • EDPs are variable displacement pumps permanently connected to the engine.

    Low Pump Pressure Detection

    • Low pump pressure indicates pump failure.
    • Pressure switches on the output side of system pumps detect low pressure.
    • Pressure switches send an indication to the cockpit when low pressure is detected.

    Engine Fire Shutoff Valve

    • To stop the flow of hydraulic fluid to the EDP in case of engine fire, a shutoff valve is installed between the reservoir and the EDP.
    • The shutoff valve is operated by an electric motor.
    • The valve is activated by fire push buttons or fire handles on the cockpit fire panel.
    • Each shutoff valve has a valve position indicator for clear visibility.

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    Description

    Test your knowledge on hydraulic power sources, low pump pressure detection, and engine fire shutoff valves. This quiz covers engine-driven pumps, pressure switches, and safety mechanisms related to hydraulic systems. Ideal for students and professionals in aviation and hydraulic engineering.

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