What are the 5 primary mechanical displays, a Primary Flight Display (PFD) can replace? - Avionics MCQ

Aeronautical & Aerospace Engineering : Avionics - Quiz(MCQ)

What are the 5 primary mechanical displays, a Primary Flight Display (PFD) can replace?

A)

Altimeter, turn coordinator, artificial horizon, heading/compass indicator and Mach meter

B)

Altimeter, vertical speed indicator, artificial horizon, heading/compass indicator and Mach meter

C)

Altimeter, turn coordinator, vertical speed indicator, artificial horizon and heading/compass indicator

D)

Altimeter, vertical speed indicator, artificial horizon, heading/compass indicator and landing gear position

Correct Answer : Altimeter, vertical speed indicator, artificial horizon, heading/compass indicator and Mach meter

Explanation : The instruments that are replaced by the PFD are the basic instruments necessary to fly an aircraft. These instruments are altimeter, vertical speed indicator, artificial horizon, heading/compass indicator and Mach meter. All the primary information is shown in the PFD so that the pilot does not have to scan for information.

Recently Updated in Avionics Questions

Only the pilot of a particular aircraft can use its DVI control system?

A)

True

B)

False

C)

Can Not Say

D)

None of the above

Correct Answer : Option (B) : False

Explanation : The DVI control system is a universal system which can recognize the voice of anyone if spoken clearly. This is done for maintenance purposes and for an emergency.

The DVI control system need not be super sensitive to the voice of the pilot.

A)

True

B)

False

C)

Can Not Say

D)

None of the above

Correct Answer : Option (B) : False

Explanation : The DVI control system must be super sensitive to the voice of the pilot so that it can be operated in cockpit noise environment. In a fast jet combat aircraft, the background noise levels can be very high.

What are isolated word recognizers?

A)

System that is not fully voice commanded

B)

Systems that can recognize anyone’s voice

C)

Systems that require a pause between each word to recognize

D)

Systems that only accept one-word command

Correct Answer : Option (C) : Systems that require a pause between each word to recognize

Explanation : An isolated word recognizer requires pauses between each word said as it cannot recognize fully connected speech. The DVI control in an aircraft must not be an isolated voice recognizer to ensure smooth man-machine interface.

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