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19 Cards in this Set
- Front
- Back
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What three instruments are normally operated from the pitot-static system? |
Airspeed indicator, altimeter, and Vertical speed indicator. |
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What instrument indications will result if the static pressure line becomes disconnected inside the cabin of a pressurized aircraft? |
Altimeter and airspeed indications will both be lower than normal, and the vertical speed indicator will indicate a momentary decent and then return to zero. |
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What is required after replacement of components connected to the pitot-static system? |
A leak test is required. |
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What are the sources of power to gyroscopic instrument operation? |
Vaccum, electricity or by air pressure |
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What causes an electric driven gyro rotor to tilt when the aircraft is turned? |
Gyroscopic precession. |
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What is used as a guide for range marking of aircraft instruments? |
The aircraft specifications or type certificate data sheets and the specific aircraft maintenance or flight manual. |
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Where are instrument range marking placed? |
They are applied to the outer edge of the cover glass or over the calibrations on the dial face of the instrument. |
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What other type mark is required when range markings are applied to the glass instrument cover? |
An index mark, indicate slippage of the glass. |
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What is a synchro-type remote indicating system? |
an electrical system used for transmitting information from one point to another. |
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What type fuel quantity system is an electric fuel measuring device that accurately determines the density weight of the fuel in the tanks of an aircraft? |
Capacitor fuel type |
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What is meant by "swinging a compass" |
It is the adjustment of the NORTH-SOUTH and EAST-WEST magnets in order to reduce deviation. |
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When inspecting a magnetic compass, the bowl should be filled with liquid and should not contain any bubbles or discoloration's. What is the purpose of the liquid in the bowl? |
Dampen the oscillations of the float. |
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Which instrument is used to indicate the speed of the crankshaft of a reciprocating engine and the speed of the main rotor assembly in a turbine engine? |
Tachometer |
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What type indicating system is used to indicate turbine engine exhaust gas temperature? |
A thermocouple system |
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What does the manifold pressure gauge indicate when the engine is not operating? |
Atmospheric pressure |
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What is used to check a manifold pressure gauge for correct indication when the engine is not operating? |
Barometer, or an altimeter after it has been set to zero. |
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What is the meaning of the yellow range on the airspeed indicator? |
Yellow arc designates the cautionary range. |
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What does a mach meter indicate? |
The ratio of aircraft speed to the speed of sound at the particular altitude and temperature existing at any time during flight. |
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Why do you not try to remove blockage in a pitot system? |
To prevent further damage to the pitot system. |
