Which of the following cause multi path signals? - Avionics MCQ

Aeronautical & Aerospace Engineering : Avionics - Quiz(MCQ)

Which of the following cause multi path signals?

A)

Ground reflection

B)

Low transmission power

C)

Low frequency transmission

D)

High frequency transmission

Correct Answer : Ground reflection

Explanation : Mulit path Signals are created when a part of the original signal take a different path than LOS to reach the receiver. Thus a signal with same information reaches the receiver at multiple times. Multi path signals are created when the actual signal gets reflected from the ground and reaches the receiver.

Recently Updated in Avionics Questions

The aircraft whose attitude reference is solely based on the natural horizon follow ______

A)

IFR

B)

VFR

C)

Pilot

D)

FAA commands

Correct Answer : Option (B) : VFR

Explanation : VFR flights usually involve small aircraft operated for personal or business purposes. Navigation may be by visual reference to the ground and aircraft attitude control may be based solely on the natural horizon visible through the windscreen of the aircraft.

Who is responsible for the separation of an aircraft from other aircraft in a controlled airspace?

A)

Pilot

B)

Co-pilot

C)

ATM operator

D)

Navigator

Correct Answer : Option (C) : ATM operator

Explanation : In controlled airspace, the crew must operate in accordance with instructions received from ATM authorities, and these authorities are responsible for separating the aircraft from all other IFR aircraft.

Who are not required to contact the ATM for navigation?

A)

Pilot

B)

Co-pilot

C)

IFR operator

D)

VFR operator

Correct Answer : Option (D) : VFR operator

Explanation : Visual Flight Rules operator are responsible for avoiding collisions with obstacles, terrain and other aircraft by visually observing these hazards and maintaining visual separations. VFR operators are not required to contact ATM authorities and are not subject to their directions.

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