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20 Cards in this Set
- Front
- Back
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Which type of engine depends solely on Ram Effect for combustion?
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Ramjet
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What is developed by a Ramjet with an increase in pressure?
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Thrust
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What is the difference between Mass and Weight?
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Mass Is the quantity of matter, Weight is the pull of gravity on that quantity of matter
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What effect does a Divergent Duct have on airflow?
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Increase in pressure, Decrease in velocity
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What is the definition of Ram Effect?
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More air arriving at the turbine than it can digest
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Acceleration is define as
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The rate of velocity change
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What symbol representing the force of gravity is normally used to calculate the acceleration of a given mass?
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(Lower Case g ) - Gravity
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What condition indicates a Standard Day at Sea Level?
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29.92 in. Hg. and a temperature of 59.0°F
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In the formula: F = M x A, which is a measurement unit for M (mass)?
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Slugs
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What type of aircraft uses a turbofan engine?
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F-18, F-110, F-111 for military and Boeing 787 for commercial
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what does the F indicate in the engine designation F404-GE-400?
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Turbofan
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What is the MIL-STD-879 manufacturer's letter symbol for Allison Division, General Motors Corporation?
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AD
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What number does a navy-sponsored engine begin with?
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100 - Air Force
400 - Navy 700 - Army |
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What are the three parts of the MIL-STD-879 engine designation system?
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Type Indicator
Manufacturer's Symbol Model Indicator |
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what is the most serious disadvantage of the axial-Flow Compressor?
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High tendency to stall
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Approximately what percentage of the air entering the combustion chamber serves as flame control?
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75%
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Name a typical type of combustion chamber
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Can Type
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Which type of fuel nozzles are used in jet engines?
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Simplex & Duplex
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A 10-Stage, axial flow compressor consist of what total number of Rotors and Stators?
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10 Rotors And 10 Stators
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A Single Air Entrance is more advantageous than a Dual Air Entrance System because
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It obtains maximum ram pressure
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