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1st sem (2nd YR) > ACI 2 (Mod 5) > Flashcards

ACI 2 (Mod 5) Flashcards

1
Q

Measure air pressure to determine altitude and airspeed (e g, pitot-static systems)

A

Pressure sensors

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2
Q

Monitor temperature changes within the aircraft and its systems.

A

Temperature sensor

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3
Q

Measure airflow rates for engine performance monitoring

A

Flow sensor

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4
Q

an electric system used for transmitting information from one point to another.

A

Synchro system

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5
Q

refers to any one of a number of similarly operating two-unit electrical systems capable of measuring, transmitting, and indicating a certain parameter on the aircraft.

A

Synchro or synchronous

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6
Q

Most ___________ are designed around a synchro system, such as the flap position indicator.

A

position-indicating instruments

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7
Q

are used as remote position indicators for landing gear, autopilot systems, radar, and many other remote-indicating applications.

A

Synchro system

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8
Q

Common types of synchro system

A
  • Autosyn
  • Selsyn
  • Magnesyn
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9
Q

What type of synchro system is used on aircrafts with direct current

A

DC selsyn system

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10
Q

The selsyn system consist of

A
  • Transmitter
  • Indicator
  • Connecting wires
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11
Q

In the selsyn the transmitter consist of

A
  • resistance winding
  • rotatable contact arm
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12
Q

What type of synchro system in used on aircrafts with AC

A
  • Autosyn
  • Magnesyn
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13
Q

the transmitter and indicator rotors used are electro-magnets rather than permanent magnets.

A

Autosyn

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14
Q

How does autosyn system works

A

the indicator pointer position mirrors the transmitter rotor position.

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15
Q

measure the rotational speed of the aircraft’s engines.

A

Tachometer

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16
Q

Types of tachometer

A
  • Mechanical tachometer
  • Electric tachometer
17
Q

Use a flexible shaft and magnetic coupling to display engine RPM.

A

Mechanical tachometer

18
Q

Use electrical signals generated by magnetos or alternators to indicate engine speed.

A

Electric tachometer

19
Q

is a small three phase AC generator connected via a mechanical link to engine accessory gearbox.

A

AC generator Tachometer

20
Q

The AC generator tachometer consists of a

A

permanent magnet that is rotated inside stator windings wound in a three-phase star configuration.

21
Q

items requiring temperature monitoring.

A
  • Engine oil
  • carburetor mixture
  • inlet air
  • free air
  • engine cylinder heads
  • heater ducts
  • exhaust gas temperature
22
Q

Non-Electric Temperature Indicators

A
  • Bimettalic thermometer
  • Bourdon Tube thermometer
23
Q

Made of two dissimilar metals that expand at different rates. Used for free air temperature.

A

Bimetallic Thermometer

24
Q

Uses a volatile liquid to measure temperature changes through vapor pressure

A

Bourdon Tube Thermometer

25
Q

Electrical Temperature Measuring Systems

A
  • Electrical Resistance Thermometer
  • Ratiometer Electrical Resistance Thermometer
26
Q

Utilizes a metal’s resistance change to measure temperature.

A

Electrical Resistance Thermometer

27
Q

Measures temperature through current ratios, providing higher accuracy and stability.

A

Ratiometer Electrical Resistance Thermometer

28
Q

Uses two unlike metals to generate an electromotive force proportional to temperature.

A

Thermocouple Temperature Indicators

29
Q

Thermocouple Temperature Indicators APPLICATIONS

A

Cylinder head temperature and Exhaust gas temperature measurements

30
Q

Measures exhaust and turbine inlet temperatures using multiple thermocouples.

A
  • Exhaust gas temperature
  • Turbine Inlet temperature
31
Q

Combines static air temperature with ram rise due to high-speed aircraft movement.

A

Total Air Temperature Measurement

32
Q

System design of Total air Temperature Measurement

A

Heated probes and sensors to prevent icing

33
Q

display data from remote sensors to pilots and flight crew.

Ensure pilots have real-time information for decision-making during flight.

A

Indicating system

34
Q

Indicating system on an airbus

A
  • Electronic flight instrument system (EFIS)
  • Electronic centralized aircraft monitoring (ECAM)
35
Q

Consists of PFD and MFD

A

Electronic Flight Instrument System (EFIS)

36
Q

Monitors and displays engine health and other critical aircraft systems.

A

Engine Indicating and Crew Alerting System (EICAS)

1st sem (2nd YR) (14 decks)

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