Explore topic-wise MCQs in Avionics.

This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is not the angle between the horizontal component of B and true north?

A. Magnetic declination
B. Magnetic variation
C. Dip angle
D. Magvar
Answer» D. Magvar
2.

What is the orientation of the Earth’s magnetic axis with respect to its spin axis?

A.
B.
C. 11°
D. 24°
Answer» D. 24°
3.

Which of the following is not a unit of the magnetic field?

A. Gamma
B. Gauss
C. Tesla
D. Maxwell
Answer» E.
4.

Inertial heading references are better than a magnetic compass.

A. True
B. False
Answer» B. False
5.

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
Answer» E.
6.

WHICH_OF_THE_FOLLOWING_IS_NOT_A_UNIT_OF_THE_MAGNETIC_FIELD??$

A. Gamma
B. Gauss
C. Tesla
D. Maxwell
Answer» E.
7.

Which of the following is not the angle between the horizontal component of B and true north?$

A. Magnetic declination
B. Magnetic variation
C. Dip angle
D. Magvar
Answer» D. Magvar
8.

What is the orientation of the Earth’s magnetic axis with respect to its spin axis?$#

A. 2°
B. 0°
C. 11°
D. 24°
Answer» D. 24¬¨¬®‚Äö√†√ª
9.

Magnetic compass is also called as whiskey compass.

A. True
B. False
Answer» B. False
10.

Which of the following is used to sense aircraft magnetic fields?

A. Magnetic compass
B. Airborne magnetometer
C. Accelerometer
D. Gyroscope
Answer» C. Accelerometer
11.

Why does magvar have diurnal change?

A. Magnetic pole migration
B. Static buildup error
C. Sensitivity of the instruments
D. Variation in aircraft magnetic effects
Answer» B. Static buildup error
12.

Inertial heading references are better than a magnetic compass?

A. True
B. False
Answer» B. False
13.

The relative acceleration of a vehicle moving with respect to a rotating Earth can be divided into three parts.

A. True
B. False
Answer» B. False
14.

What can be done to reduce to avoid poor acceleration error averaging?

A. Use higher order leveling loop
B. Use lowest order leveling loop
C. Use switch gravity sensors
D. Use differential leveling loop
Answer» B. Use lowest order leveling loop
15.

A special mode for initial leveling is needed when using erection cutoff mode.

A. True
B. False
Answer» B. False
16.

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
Answer» E.
17.

Which one of the following is the basic vertical reference in all forms of heading and attitude devices?

A. Line perpendicular to artificial horizon
B. Earth’s gravitational field
C. Line perpendicular to actual horizon
D. Earth’s magnetic field
Answer» C. Line perpendicular to actual horizon
18.

When is the gyro interrupted in erection cutoff method?

A. Deviation is large
B. Deviation is low
C. Never interrupted
D. Always interrupted
Answer» B. Deviation is low
19.

How to determine the true vertical reference?

A. Differentiating
B. Time average of apparent vertical
C. Integration
D. Sum of all the apparent vertical
Answer» C. Integration