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32 Cards in this Set
- Front
- Back
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Can technicians repair instruments ? |
No but we can do compass swings and install |
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What is the T arrangement |
Attitude indicator (AI) Directional Gyro( DG) Altimeter Airspeed indicator |
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What must be inspected with shock mounts |
Bonding straps |
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What test should a mechanic perform when installing a new component |
Electrical load check It’s where you add up all the electrical loads and compare it to the alternators system |
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The total load should not be greater then the alternator output < |
true |
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What just placed on instruments with range markings |
Slippage mark |
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White mark on an airspeed indicator |
Flap operating |
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Green mark on airspeed indicator |
Normal |
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Yellow arc |
Limited operation |
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Red |
NEVER EXCEED Ne |
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Airspeed indicator in twin engine airplanes has a what color line to identify the rate of climb |
Blue color is light to identify the best single engine rate of climb speed |
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Fe |
Flaps extended |
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What tachometer does a helicopter feature? |
Duel tachometer /it’s for the engine and the main motor |
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During take off from an airport at sea level manifold pressure should remain in green |
Yes |
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What does EGT mean |
Exhaust gas temperature |
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Where are the avionics normally installed |
Below the flight instruments |
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How many green arcs are included on the face of a helicopter what |
Two |
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What FAR does it say a technician can perform a static test with an airframe license |
91.411 |
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What type of magnets are magnetic compassss built with |
Compensating magnets to allow for periodic adjustments |
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After a compass swing a mechanic needs to fill out a |
Compass correction card |
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What step must be completed before doing a pitot static test |
No moisture in system |
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Pressure should be 29.92 inches of Hg and 14.7 PSI at sea level |
True |
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Absol it e pressure define |
Pressure vs vacuum |
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Pressure = comparison of ___ forces |
2 forces |
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29.92 Hg equals 1013.2 HPA |
True |
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What toool mesasure absolute pressure |
Aneroid wafer |
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Most common pressure is |
Pressure gauge |
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Most common type of pressure gauge is |
Differential pressure guage used for the airspeed indicator |
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What’s used to measure high oressure |
Bourdon tube |
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What does a pressure switch do |
Gets rid of warning light |
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The maximum differential pressure between a manifold, pressure gauge and atmospheric pressure will occur at what speed |
Idle RPM |
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What happens to manifold pressure as the pilot increases throttle |
Manifold pressure will also increase |
