13320287
Description
Quiz by Jose Caamaño, updated more than 1 year ago
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Created by Jose Caamaño
about 6 years ago
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Question 1
Question
Q1. In a piston engine, if MAP (manifold pressure) and RPM are kept constant with the ascend:
Answer
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The power decreases due to temperature descent
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The power increases due to temperature descent
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The power remains constant too
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It is not possible to maintain both MAP and RPM constant with ascend
Question 2
Question
Q2. Select the correct answer about piston engines performances:
Answer
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A. Rated power is the maximum horsepower at which the engine is approved for continuous operation.
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B. Critical altitude is the maximum altitude at which the engine maintains a given horsepower output. It is decreased by turbochargers and superchargers.
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C. Critical altitude is the maximum altitude at which the engine maintains a given horsepower output. It is increased by turbochargers and superchargers.
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D. A and C are true.
Question 3
Question
Q3. About the piston engines operation, which of these is not a power control parameter:
Answer
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Rotational speed (RPM)
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Mixture
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Thrust
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MAP (manifold pressure)
Question 4
Question
Q4. Which of the following is not a rating exclusive for jet military aircrafts:
Answer
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Maximum climb rating
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Maximum dry rating
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Combat or contingency rating
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Intermediate or military rating
Question 5
Question
Q5. Which of the following is a management function of FADEC:
Answer
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Automatic start-up
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Calculation and application of thrust limits
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Manual thrust management according to lever position
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All of them
Question 6
Question
Q6. About turbopropeller control, which of the engine operation configurations does not have a separated condition lever to select RPM:
Answer
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Single-lever engine operation
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Two-levers (for fixed turbine)
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Three-levers (for free turbine)
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Alpha or Power engine operation
Question 7
Question
Q7. What is not a ground function of the APU (Auxiliary Power Unit)?
Answer
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Source of electrical power
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Source of pressurized air
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Hydraulic power
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Fuel injection and ignition
Question 8
Question
Q8. Select the correct answer about jet engines performances (considering that all of the parameters not named remain constant):
Answer
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With an increase of altitude, there is a decrease of temperature with a corresponding increase of density, and therefore there is an increase of thrust.
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With a decrease of temperature, there is an increase of thrust if RPM decrease.
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The greater inlet momentum drag, the greater thrust.
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The greater the ram effect, the greater the thrust.
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