What are the tubes in the aircraft that carry the air pressure to the instruments is called as?

A)
Blue lines
B)
Pressure lines
C)
Pressure tubes
D)
Pneumatic plumbing

Correct Answer :   Pneumatic plumbing

Explanation : Pipes that carry the air pressure sensed from the pitot tube or the pitot-static tube to the air data computer and the various other flight instruments such as the airspeed indicator, altitude indicator and the vertical speed indicator is collectively referred to as pneumatic plumbing.

Recently Updated in Avionics Questions
The error that occurs due to the rotation of Earth as well as the aircraft’s own motion is called as ______
A)
Asymmetrical error
B)
Precession rate error
C)
Rate compensation error
D)
Standoff constant error

Correct Answer : Option (D) :   Standoff constant error

Explanation : A stand off constant error exists since the direction of the local vertical changes as a result of both the rotation of the Earth and the aircraft’s own motion around the Earth.

What can be done to reduce to avoid poor acceleration error averaging?
A)
Use higher order leveling loop
B)
Use switch gravity sensors
C)
Use differential leveling loop
D)
Use lowest order leveling loop

Correct Answer : Option (A) :   Use higher order leveling loop

Explanation : The stand off error depends upon the gravity sensors switch’s dead and gives poor acceleration errors. Significant improvement can be obtained in the averaging vertical reference by using a high order leveling loop.

Which of the following is not a unit of the magnetic field?
A)
Maxwell
B)
Tesla
C)
Gauss
D)
Gamma

Correct Answer : Option (A) :   Maxwell

Explanation : The magnetic fields B are measured in Gauss and Tesla(104 Gauss). In geomagnetism, Units of “Gamma”(10-5 )are used.

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