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Questions and Answers
What does an Oil Temperature Gauge measure?
What does an Oil Temperature Gauge measure?
- Exhaust gas temperature
- Engine temperature (correct)
- Ambient air temperature
- Cylinder temperature
Which instrument is calibrated in degrees Celsius or Fahrenheit?
Which instrument is calibrated in degrees Celsius or Fahrenheit?
- Fuel Flow Meter
- Ammeter
- Manifold Pressure Gauge
- Cylinder Head Temperature Gauge (correct)
What does a Suction Gauge indicate?
What does a Suction Gauge indicate?
- Fuel quantity
- Pressure created by the vacuum pump (correct)
- Exhaust gas temperature
- Manifold pressure
Which instrument measures the gases at the exhaust manifold?
Which instrument measures the gases at the exhaust manifold?
What does a Manifold Pressure Gauge indicate?
What does a Manifold Pressure Gauge indicate?
What type of display is used in an Electronic Flight Instrument System (EFIS)?
What type of display is used in an Electronic Flight Instrument System (EFIS)?
What is the principle of rigidity in space for a gyroscope?
What is the principle of rigidity in space for a gyroscope?
What does precession refer to in relation to a gyroscope?
What does precession refer to in relation to a gyroscope?
What is the purpose of the Earth's magnetism in relation to compass errors?
What is the purpose of the Earth's magnetism in relation to compass errors?
What system can be used to operate an attitude indicator in a gyroscope?
What system can be used to operate an attitude indicator in a gyroscope?
Which of the following is NOT a component of a heading indicator on a gyroscopic instrument?
Which of the following is NOT a component of a heading indicator on a gyroscopic instrument?
What does magnetic dip refer to?
What does magnetic dip refer to?
What is the main purpose of a tachometer in an aircraft?
What is the main purpose of a tachometer in an aircraft?
What does the oil pressure gauge provide direct indication of?
What does the oil pressure gauge provide direct indication of?
Which gauge ensures that the engine remains reliable throughout its lifetime?
Which gauge ensures that the engine remains reliable throughout its lifetime?
In which situation would you observe magnetic dip to be greatest?
In which situation would you observe magnetic dip to be greatest?
What is the normal operating range indicated by a tachometer?
What is the normal operating range indicated by a tachometer?
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Study Notes
Gyroscopic Instrument
- A gyroscope is a device consisting of a spinning mass, typically a disk or wheel, mounted on a base so that its axis can turn freely in one or more directions.
- The gyroscope maintains its orientation regardless of any movement of the base due to its rigidity in space.
Attitude Indicator
- Is a gyroscopic instrument that indicates the orientation of the aircraft relative to the horizon.
- Components include:
- Miniature plane (level index)
- Turn index (inclinometer)
- Bank scale
- Artificial horizon
- Adjustment knob
Heading Indicator
- Also known as a magnetic compass, it is one of the oldest and simplest instruments for indicating direction.
- The compass is affected by the Earth's magnetism, which can cause errors.
- Compass errors include:
- Variation (angular difference between true and magnetic poles)
- Deviation (magnets in a compass align with any magnetic field)
- Magnetic dip (bar magnet contained in the compass is pulled by the earth's magnetic field)
- Acceleration error
- Turning error
Engine Instruments
- Provide the pilot with information about the health of the engine and its performance during flight.
- Instruments include:
- Oil Temperature Gauge (measures temperature of oil)
- Cylinder Head Temperature Gauge (indicates direct and immediate cylinder temperature change)
- Outside Air Temperature Gauge (records ambient air temperature)
- Manifold Pressure Gauge (indicates pressure of fuel/air mixture in engine intake manifold)
- Exhaust Gas Temperature Gauge (measures temperature of gases at exhaust manifold)
- Fuel Quantity Gauge
- Fuel Flow Meter
- Suction Gauge (shows pressure created by vacuum pump)
- Ammeter (measures electrical current)
Electronic Flight Instrument System (EFIS)
- Any flight instrument display that utilizes LCD or picture tube like displays.
- Also known as Electronic Integrated Display Instrumentation or "Glass Cockpit".
- EFIS installations vary greatly.
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