Explore topic-wise MCQs in Avionics.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.

1.

What is TDOP?

A. Time Dilution of pseudorange
B. Time Dilution of position
C. Time Dilution of pressure
D. Time Distortion of position
Answer» C. Time Dilution of pressure
2.

________ related ranging errors to the dispersion in measured position?

A. GEOP
B. GDCP
C. GDOP
D. APEG
Answer» D. APEG
3.

The angle of arrival, relative to the airframe, of a radio signal from an external transmitter is called _________

A. Bearing
B. Heading
C. Phase
D. Approach angle
Answer» B. Heading
4.

_________RELATED_RANGING_ERRORS_TO_THE_DISPERSION_IN_MEASURED_POSITION??$

A. GEOP
B. GDCP
C. GDOP
D. APEG
Answer» D. APEG
5.

What_is_TDOP?$

A. Time Dilution of pseudorange
B. Time Dilution of position
C. Time Dilution of pressure
D. Time Distortion of position
Answer» C. Time Dilution of pressure
6.

The angle of arrival, relative to the airframe, of a radio signal from an external transmitter is called ________?

A. Bearing
B. Heading
C. Phase
D. Approach angle
Answer» B. Heading
7.

What is the technique of calculating position from measurements of velocity called?

A. Dead reckoning
B. Doppler radar
C. Secondary surveillance
D. Celestial navigation
Answer» B. Doppler radar
8.

Geocentric spherical coordinates are used for short range dead reckoning navigation.

A. True
B. False
Answer» B. False
9.

Which coordinate system is used in satellite based radio navigation?

A. Earth centered, Earth fixed
B. Earth centered inertial
C. Geodetic spherical coordinates
D. Geodetic wander azimuth
Answer» B. Earth centered inertial
10.

Which of the following is false with respect to Earth centered inertial coordinate system?

A. Accuracy is 10<sup>-5</sup>/hr
B. Newton’s laws are not valid
C. Angular coordinates of stars are conventionally tabulated in ECI
D. Used in mechanizing inertial navigators
Answer» C. Angular coordinates of stars are conventionally tabulated in ECI
11.

What is the angle between the normal to the reference ellipsoid and the equatorial plane at a point called?

A. Geodetic angle
B. Correction factor
C. Geodetic latitude
D. Earth angle
Answer» D. Earth angle
12.

Which one of the following is not an input utilized by the aircraft navigation system?

A. Sonar
B. Radio aids
C. Dead reckoning data
D. Celestial measurements
Answer» B. Radio aids
13.

The navigation equations are used by the on-board computer to calculate position velocity and altitude.

A. True
B. False
Answer» B. False