Explore topic-wise MCQs in Avionics.

This section includes 311 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.

301.

WHICH_PART_OF_THE_INSECTS_ACTS_AS_GYROS??$

A. Wings
B. Halteres
C. Thorax
D. Legs
Answer» C. Thorax
302.

Gyros are used as feedback sensors in FBW.$

A. True
B. False
Answer» B. False
303.

Which_of_the_following_is_false_with_respect_to_MEMS_gyro?$

A. Low failure rate
B. Low cost
C. High maintenance
D. Less power consumption
Answer» D. Less power consumption
304.

What is the basic principle under which MEMS gyro work?

A. Sagnag effect
B. Coriolis effect
C. Angular momentum conservation
D. Mass conservation
Answer» C. Angular momentum conservation
305.

Which of the following is false with respect to spinning rotor gyros?

A. Mechanically complex
B. High probability of failure
C. Low run up time
D. High power consumption
Answer» D. High power consumption
306.

The input, output and spin axes of a gyro are always perpendicular to each other.

A. True
B. False
Answer» B. False
307.

Which of the following spinning wheel gyro has an accuracy of 0.001 deg/hr?

A. Floated TDF gyro
B. Electrostatically suspended TDF gyro
C. Floated SDF gyro
D. Unfloated ball bearing gyro
Answer» C. Floated SDF gyro
308.

Which of the following is false with respect to SDF floated gyros?

A. Wheel is floated at neutral buoyancy
B. Used in launch vehicles
C. Three gimbals are used
D. Magnetic pickoff used to sense rotation
Answer» D. Magnetic pickoff used to sense rotation
309.

Why are unfloated instruments with ball bearings not suitable for air navigation?

A. Weight restrictions
B. High drift rate
C. Low drift rate
D. Power restrictions
Answer» C. Low drift rate
310.

What is the range of an order of angular rate magnitude that gyros used in military planes need?

A. 8
B. 8.5
C. 7.1
D. 3
Answer» C. 7.1
311.

What is the purpose of a gyro in an inertial navigation system?

A. Space-stabilize the accelerometer
B. Angle of rotation
C. Measure rotation rate
D. Calculate velocity
Answer» B. Angle of rotation