click below
click below
Normal Size Small Size show me how
AIRFRAME 10
Aircraft Instrument Systems
Question | Answer |
---|---|
What is used as a reference for range marking instruments? | Aircraft specifications or type certificate data sheets, and flight manuals |
What does a yellow arc on an instrument dial indicate? | Caution |
Why are slippage marks used on instrument glass covers? | To indicate glass rotation in the bezel |
When range markings are placed on an instrument glass, what precaution must be taken? | The glass must be marked for slippage indication |
What can be used to static check a manifold pressure indicator? | Current atmospheric pressue |
What indication errors may be found in altimeters? | Scale, hysteresis, and installation |
What flight instruments are usually connected to a pitot-static system? | Rate of Climb, airspeed, and altimeter |
What methods are used to drive turn-and-bank / slip indicators? | Vacuum, air pressure, or electricity |
What causes an electric-driven gyro rotor to tilt when the aircraft is turned? | Gyroscopic precession |
What is a synchro-type remote indicating system? | A system that transmits information from one point to another point(flap position) |
What does a tachometer indicate? | Crankshaft or main turbine rotor speed |
Where does an electrical resistance temperature indicator receive a signal? | From a temperature sensitive element |
What type of indicating system is a turbine engine exhaust gas temperature system? | A thermocouple type system |
What is the meaning of swinging a compass? | Correcting for deviations by adjusting the compensating magnets |
Name at least two items that should be looked for during an inspection of a magnetic compass | 1) Security of attachment, 2) Correct readings at various headings, 3) The bowl should be filled with liquid and not contain any bubbles or discoloration, 4) The scale should be readable, 5) Moving parts should work easily |
What is required after replacement of components connected to a pitot-static system? | A leak test |