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Avionics Practice Test: Air Data Systems, Altitude and Heading Reference
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Air Data Systems, Altitude and Heading Reference topics include: Pressure measurements, side slip measurements, air data equations and computers, helicopter, optical and hyper sonic air data, vertical and heading references. An air data attitude heading reference system (ADAHRS) is a dual-channel system that combines information about altitude, attitude, airspeed, air temperature, and heading into a single box.  An attitude and heading reference system (AHRS) is a motion sensor that uses an inertial measurement unit (IMU) to measure the Earth's magnetic field, acceleration, and angular... Show more
Avionics Practice Test: Air Data Systems, Altitude and Heading Reference
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25 Questions

1. The conventional pitot tube cannot be used under______
2. Air data measurements in hypersonic flight provide primary flight control parameters.
3. The different probes that disturb the airflow is called ______
4. Which of the following systems use a gimballed pitot tube?
5. Airspeed measurements can be made by measuring the vortex’s _______
6. Why is heating necessary in pitot-static tube?
7. How to determine the true vertical reference?
8. Why does magvar have diurnal change?
9. The error that occurs due to the rotation of Earth as well as the aircraft’s own motion is called as ______
10. What does the altitude rate essentially tell us?
11. Magnetic compass is also called as whiskey compass.
12. What is required to accommodate for the ground effect in swiveling pitot tube below rotor system?
13. Which of the following does not come under air data computer?
14. What is the speed of the aircraft relative to the ground called as?
15. What is the approximate accuracy of laser velocimeter?
16. Which of the following is not the angle between the horizontal component of B and true north?
17. Which are the factors that mach number does not depend on?
18. Which of the following altitude is measured by the pitot-static tube?
19. Which one of the following is not a part of the processor subassembly?
20. What instrument measures the velocity by Doppler shift from backscatter of aerosol particles?
21. The relative acceleration of a vehicle moving with respect to a rotating Earth can be divided into three parts.
22. A distributed air data system uses a centralized flight control computer for calculations.
23. Where are self-aligning pitot tubes used?
24. What is the temperature measured by a probe on the exterior of a moving aircraft?
25. What error will a 10°C error in temperature shown in true airspeed?