PPL Instrumententation

Pressure Gauge

1 / 2

Which of the following devices measures pressure? 1. Aneroid capsule 2. Bimetal 3. Bourdon tube 4. Thermistor

2 / 2

The manifold pressure gauge is responsible for measuring:

Temperature Sensing

1 / 1

What is the cylinder head temperature measured with?

Fuel gauges

1 / 3

Capacitive fuel quantity measurement can indicate the:

2 / 3

Evaluate the following statements: 1. Float type fuel gauge indicates fuel mass; 2. Float type fuel gauge indication is affected by the attitude of the aircraft.

3 / 3

Which of the following statements is incorrect regarding fuel gauges?

Flow Meter

1 / 4

What is the main purpose of a fuel flow meter in an aircraft?

2 / 4

Which of the following statements accurately describes how total fuel consumption can be determined?

3 / 4

Which of the following are methods of measuring fuel flow? 1. Fuel flow measured by volume per unit of time. 2. Fuel flow measured by mass per unit of time.

4 / 4

Which of the following best describes how a basic fuel flow meter operates?

Position transmitter (transponder)

1 / 2

What statement is correct concerning transponders?

2 / 2

In mode A the transponder:

Tachometer

1 / 1

What is the advantage of a mechanical tachometer over an electrical tachometer?

Pressure Measurement

1 / 4

Which of the following instruments uses static pressure as an input? 1. Airspeed indicator 2. Vertical speed indicator 3. Directional gyro indicator 4. Altimeter

2 / 4

Both, pitot pressure and static pressure are required for...

3 / 4

The dynamic pressure:

4 / 4

Which of the following formulas is correct?

Altimeter

1 / 9

The pressure with increasing altitude in the standard atmosphere is:

2 / 9

When flying through air with a temperature colder than the standard atmosphere at that height:

3 / 9

Flying with altimeter setting of 1013 hPa is called:

4 / 9

If QNH is set on the altimeter it will show:

5 / 9

If the aircraft is flying at 4500 ft by the altimeter setting 1013 hPa, what is the pressure altitude?

6 / 9

If the aerodrome elevation is 945 ft, and the QFE is 985 hPa, what is the QNH? (27 ft/hPa)

7 / 9

The elevation of the aerodrome is 350 ft, and the QNH is 1005 hPa. What is the QFE? (27 ft = 1 hPa)

8 / 9

An airport is located at sea level, the QNH is 1014 hPa, and the temperature is 20 °C (27 ft/hPa). What is the QFE?

9 / 9

If the aircraft is flying at 6000 ft indicated altitude and the altimeter is set to standard (1013 hPa), but the QNH in this region is 1002 hPa, then the:

Vertical speed indicator

1 / 2

The inputs for the vertical speed indicator are the following:

2 / 2

If the static port is clogged, during climbing the vertical speed indicator will:

Air speed indicator

1 / 8

If we correct indicated airspeed with position and instrument error we get:

2 / 8

If we correct equivalent aispeed with the density error we get:

3 / 8

In what condition will the calibrated airspeed be equal to the true airspeed?

4 / 8

The limits of white arc of the airspeed indicator are:

5 / 8

What are the limits of the green arc on the airspeed indicator?

6 / 8

When can VNE be exceeded?

7 / 8

If the static port becomes clogged during descent, the airspeed indicator will:

8 / 8

The true airspeed during a climb with constant indicated airspeed:

Earth's magnetic field

1 / 3

The angle between the true north and the magnetic north is the:

2 / 3

What is the definition of magnetic dip?

3 / 3

At the magnetic poles the dip is:

Direct reading magnetic compass

1 / 18

If the aircraft is located in the northern hemisphere and is accelerating on a westerly heading the compass will show:

2 / 18

When an aircraft, which is located at the southern hemisphere accelerates in northerly direction:

3 / 18

Consider an aircraft landing in a south-east direction in the northern hemisphere, the compass will indicate:

4 / 18

A pilot in the northern hemisphere from 90° magnetic heading wants to turn to 180°.

5 / 18

During a turn through north at the northern hemisphere the compass will:

6 / 18

Turning error is greatest when turning through:

7 / 18

The error caused by the iron and steel parts of the aircraft in the magnetic compass is called:

8 / 18

What instrument can be used to align the directional gyro indicator?

9 / 18

What is a gyroscope?

10 / 18

The fundamental properties of a gyroscope are: 1. rigidity in space 2. rigidity on earth 3. precession 4. low inertia 5. pendular movement

11 / 18

A freely suspended spinning gyro has a tendency to:

12 / 18

What component of the gyroscope maintains its orientation during motion?

13 / 18

The angular momentum of a gyroscope increases when:

14 / 18

What is 'gyroscopic drift'?

15 / 18

Which of the following factors can cause a gyroscope to drift?

16 / 18

Precession is defined as:

17 / 18

Apparent drift of a gyroscope is influenced by the rotation of the Earth. The apparent drift in most noticeable at (1)__, while it is minimal at (2)__.

18 / 18

Which of the following instruments use gyroscopes? 1. Magnetic compass 2. Directional gyro indicator 3. Turn and slip indicator 4. Attitude indicator

Turn and bank indicator

1 / 4

Which instrument indicates the angular velocity around the vertical axis?

2 / 4

The standard rate of turn is:

3 / 4

If the slip indicator ball is displaced left from the centre in a turn to the left, in order to coordinate the turn the pilot should:

4 / 4

When the aircraft is in a rate one turn, to complete a 270° turn, takes:

Attitude indicator

1 / 1

The gyroscope of the attitude indicator can freely rotate around:

Directional gyroscope

1 / 2

Transport wander of the directional gyro indicator will occur when:

2 / 2

The apparent earth rate of the directional gyro indicator is maximum at:

Transmission modes: HF, VHF and SATCOM

1 / 5

What frequency range do aircraft communication radios operate on?

2 / 5

The airband frequency range (for communication and navigation) is:

3 / 5

Which of the following statements about VHF communication is correct?

4 / 5

__(1)__ is used for long-range communication over oceanic regions, because __(2)__.

5 / 5

What is the primary purpose of SATCOM (Satellite Communication)?

Voice communication

1 / 2

Which of the following correctly describes how VHF and HF are used for voice communication?

2 / 2

Why do aircraft communication systems use a Push-to-Talk (PTT) mechanism?

Flight warning systems

1 / 12

What is the correct sequence of actions when a Master Caution or Master Warning is received?

2 / 12

Which of the following best describes a caution message on the Central Warning Panel (CWP)?

3 / 12

What additional feature is commonly included with an important warning to ensure the crew's attention is directed to it?

4 / 12

What is the primary function of the Flight Warning System in an aircraft?

5 / 12

What is the purpose of a Master Warning light in an aircraft?

6 / 12

What does a red warning message on the Central Warning Panel (CWP) indicate?

7 / 12

What is the primary function of the Ground Proximity Warning System (GPWS)?

8 / 12

Which of the following flight parameters does GPWS primarily use to generate warnings?

9 / 12

Which GPWS mode is responsible for detecting excessive terrain closure rate?

10 / 12

What is the primary function of TCAS II in an aircraft?

11 / 12

What symbol and color does TCAS II use to represent a Traffic Advisory (TA) on the display?

12 / 12

Select the correct statement regarding TCAS II Resolution Advisories (RAs):

Stall warning

1 / 1

The stall warning horn starts to indicate a certain:

Display units

1 / 1

Which of the following statements is correct or incorrect? 1. On LCD displays the view angle is limited; 2. LCD displays use more energy than CRT displays.