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Instruments

Description: Know the Aviation Instruments Name Generally Asked in The Pilot Exams and Practice Free Online By Appearing Online Teats
Number of Questions: 25
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Tags: Pilot Aviation Flight Instruments Glass Cockpit Aviation Airplane Attitude Indicator Aviation
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Which of the following instruments takes the data from the static port only?

  1. Airspeed Indicator

  2. Altimeter

  3. Machmeter

  4. All of the above


Correct Option: B

Which of the following instruments works with the help of pitot-static system?

  1. Altimeter

  2. Directional gyro

  3. TSI

  4. GPS


Correct Option: A

The local speed of sound comes in use in calculation of which of the following measurements?

  1. Altitude

  2. Mach number

  3. True airspeed

  4. Distance from a VOR facility


Correct Option: B

At mean sea level, a difference of one hPa of pressure corresponds to approximately how much change in altitude?

  1. 30 feet

  2. 50 feet

  3. 70 feet

  4. 100 feet


Correct Option: A

The Q code for standard pressure setting is

  1. QNH

  2. QNE

  3. QFE

  4. None of these


Correct Option: B

What will the altimeter indicate if the static source gets blocked at 2300 feet and the airplane continues a straight and level flight?

  1. 2300 feet

  2. Zero feet

  3. 4600 feet

  4. None of these


Correct Option: A

While flying at 1500 feet, the static source gets blocked. When the airplane starts decending, what will the VSI read?

  1. 1500

  2. -1500

  3. 0

  4. None of the above


Correct Option: C

The pressure prevailing at an airfield is 1015.15 hPa. If the pilot sets QNE on the altimeter subscale, what will the altimeter read?

  1. 57 feet

  2. -57 feet

  3. 0 feet

  4. None of the above


Correct Option: B

In case of the failure of static source, what is recommended action to be taken?

  1. Turn the battery off.

  2. Break the glass of VSI.

  3. Restart the magnetos.

  4. Squawk 7600 on Mode C.


Correct Option: B

Which of the following is not a pitot-static instrument?

  1. Machmeter

  2. ASI

  3. VSI

  4. VOR


Correct Option: D

The attitude indicator works on the principle of

  1. gyroscope

  2. pressure difference

  3. gravity

  4. radio waves


Correct Option: A

One inch of mercury corresponds to how much difference in altitude?

  1. 1000 feet

  2. 1500 feet

  3. 30 feet

  4. None of the above


Correct Option: A

The standard rate of turn is

  1. 3 degrees per second

  2. 6 degrees per second

  3. 12 degrees per second

  4. 24 degrees per second


Correct Option: A

An aircraft flying at mach number ___ will be considered to be flying at subsonic speed.

  1. 1.2

  2. 1.1

  3. 1.0

  4. 0.9


Correct Option: D

In a slipping turn, the ball

  1. rolls outside the direction of turn

  2. rolls inside the direction of turn

  3. remains centred

  4. freezes whereever it is


Correct Option: B

Machmeter displays the ratio of the true air speed to the

  1. local speed of sound

  2. winds aloft on a particular altitude

  3. ground speed of the aircraft

  4. none of these


Correct Option: A

The vertical speed indicator in an airplane measures

  1. forward speed of the airplane

  2. gravity acting on the body of the airplane

  3. rate of climb or descent

  4. none of these


Correct Option: C

In a co-ordinated turn, the turn co-ordinator shows the ball

  1. centred

  2. outside the direction of turn

  3. inside the direction of turn

  4. none of these


Correct Option: A

Which of the following would not affect the reading on a machmeter?

  1. Speed of the airplane

  2. Altitude

  3. Temperature

  4. Weight of the airplane


Correct Option: D

In a skidding turn, the ball rolls

  1. outside the direction of turn

  2. inside the direction of turn

  3. towards the center

  4. none of these


Correct Option: A

Which of the following instruments shows a lag error during a sudden climb or descent?

  1. VSI

  2. ASI

  3. ILS

  4. VOR


Correct Option: A

Which of the following erroneous readings is an attitude indicator that may indicate while deaccelarating?

  1. Pitch up attitude

  2. Pitch down attitude

  3. Turn towards right

  4. All of the above


Correct Option: B

Blockage of the static source of atmospheric pressure (Static ports) leads to the failure of which of the following instruments?

  1. VSI

  2. ASI

  3. Altimeter

  4. All of the above


Correct Option: D

Which of the following instruments takes data from static port and pitot tube at the same time?

  1. Altimeter

  2. ASI

  3. VSI

  4. All of the above


Correct Option: B

If ____ is set on the altimeter subscale, the altimeter will display ZERO when on the ground.

  1. QNE

  2. QNH

  3. QFE

  4. None of these


Correct Option: C
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