Instrumentation | PPL(A) Aircraft General Knowledge - EASA & UK CAA
Instrumentation practice questions for the EASA and UK CAA PPL(A) written exams.
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Altimeter
Section titled "Altimeter"If _______ is set on the altimeter it will show:
Flying with altimeter setting of _______:
If the aircraft is flying at 6000 ft indicated altitude and the altimeter is set to standard (1013 hPa). If the _______, the:
When flying through air with _______ than the standard atmosphere at that height:
The _______ with increasing altitude in the standard atmosphere is:
If the aircraft is flying at 4500 ft with an altimeter setting of 1013 hPa:
An airport is located at sea level. The QNH is 1014 hPa. The temperature is 20 °C. Assume 27 ft/hPa.
If the aerodrome elevation is 945 ft, and the QFE is 985 hPa. Assume 27 ft/hPa.
The elevation of the aerodrome is 350 ft, and the QNH is 1005 hPa. Assume 27 ft/hPa.
Temperature Sensing
Section titled "Temperature Sensing"What is the _______ temperature measured with?
Tachometer
Section titled "Tachometer"An advantage of a mechanical tachometer over an electrical tachometer?
Direct reading magnetic compass
Section titled "Direct reading magnetic compass"In direct reading magnetic compasses in aircraft, what is a _______?
When an aircraft, which is located at the southern hemisphere:
Consider an aircraft _______ in the northern hemisphere, the compass will indicate:
If the aircraft is located in the northern hemisphere and is accelerating on a westerly heading the compass will show:
The angular momentum of a gyroscope _______:
Turning error is _______ through:
During a turn through north at the northern hemisphere the compass will:
A pilot in the northern hemisphere wants to turn from a 90° magnetic heading to 180°.
The error caused by the _______ of the aircraft in the magnetic compass is called:
The fundamental properties of _______ are:
Which of the following instruments _______?
Stall warning
Section titled "Stall warning"The stall warning horn starts to indicate at a certain:
Pressure Measurement
Section titled "Pressure Measurement"Which of the following instruments _______? 1. Airspeed indicator 2. Vertical speed indicator 3. Directional gyro indicator 4. Altimeter
Both, pitot pressure and static pressure:
Which of the following formulas is correct?
The dynamic pressure:
Fuel gauges
Section titled "Fuel gauges"_______ fuel quantity measurement can indicate the:
Which of the following statements is incorrect regarding fuel gauges?
Evaluate the following statements concerning float type fuel gauges:
Display units
Section titled "Display units"Evaluate the following statements concerning LCD and CRT display units:
Flow Meter
Section titled "Flow Meter"What is the main purpose of a fuel flow meter in an aircraft?
Which of the following statements best describes how _______?
Which of the following are methods of measuring fuel flow?
Which of the following best describes how a basic _______?
Vertical speed indicator
Section titled "Vertical speed indicator"If the _______, during a climb the vertical speed indicator will:
_______ for the vertical speed indicator are:
Directional gyroscope
Section titled "Directional gyroscope"What instrument can be _______ the directional gyro indicator?
_______ of the directional gyro indicator will occur when:
The apparent earth rate of the directional gyro indicator
Gyroscopes
Section titled "Gyroscopes"Which component of the gyroscope _______ during motion?
A freely suspended spinning gyro _______:
Precession is defined as:
Select the correct statement about the apparent drift of a gyroscope:
What is the term "gyroscopic _______"?
Which of the following factors can cause a gyroscope _______?
Pressure Gauge
Section titled "Pressure Gauge"Which of the following devices measures pressure? 1. Aneroid capsule 2. Bimetal 3. Bourdon tube 4. Thermistor
The _______ gauge is responsible for measuring:
Turn and bank indicator
Section titled "Turn and bank indicator"When the aircraft is in a rate one turn, _______, takes:
Which instrument indicates the angular velocity around the vertical axis?
The ball of the slip indicator is _______ from the center in a turn to the left. In order to coordinate the turn the pilot should:
The _______ of turn is:
Flight warning systems
Section titled "Flight warning systems"What additional feature is commonly included with an important warning to ensure the crew's attention is directed to it?
What is the primary function of the Flight Warning System in an aircraft?
What is the primary function of the _______ in aircraft?
Which of the following _______ primarily use to generate warnings?
Which GPWS mode is responsible for detecting _______?
In terrain collision and avoidance systems, what is the primary function of _______ in an aircraft?
In TCAS II, select the correct statement regarding _______:
What symbol and color does TCAS II use to represent _______ on the display?
What does a _______ on the Central Warning Panel (CWP) indicate?
What is the correct sequence of actions when a _______ is received?
Which of the following options best describes _______ on the Central Warning Panel (CWP)?
What is the purpose of a _______ in an aircraft?
Transmission modes: HF, VHF and SATCOM
Section titled "Transmission modes: HF, VHF and SATCOM"What is the primary purpose of SATCOM (Satellite Communication)?
Which of the following statements about _______ communication is correct?
The _______ (for communication and navigation) is:
In what frequency range do aircraft _______ operate on?
Select the correct statement concerning communication used over oceanic regions:
Position transmitter (transponder)
Section titled "Position transmitter (transponder)"In mode A:
What statement is correct concerning transponders?
Attitude indicator
Section titled "Attitude indicator"The gyroscope of the attitude indicator can:
Voice communication
Section titled "Voice communication"Which of the following correctly describes how VHF and HF are used for voice communication?
Why do aircraft communication systems use a _______?
Earth's magnetic field
Section titled "Earth's magnetic field"The angle between _______ is the:
What is the definition of _______?
At the magnetic poles, the _______:
Air speed indicator
Section titled "Air speed indicator"The _______ during a climb with constant indicated airspeed:
In what condition will the _______ be equal to the true airspeed?
What are the limits of the _______ on the airspeed indicator?
What are the limits of the _______ on the airspeed indicator?
When _______ be exceeded?
If we correct indicated airspeed with _______ error we get:
If we correct equivalent airspeed with _______ we get:
If the static port becomes clogged during descent, the _______ will: