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Avionics Practice Test: Surveillance Systems, Mapping and Multimode Radars
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Surveillance Systems, Mapping and Multimode Radars topics include: Electronic scanned array radar, primary and secondary radar, modes s system, traffic alert, collision avoidance system and weather radar. Multi-mode radars are radars that can operate in multiple modes at the same time. They are typically used for military applications such as search and track operations or air defense missions. The Mode S system is a secondary surveillance and communication system that supports Air Traffic Control (ATC). It is a Secondary Surveillance Radar process that allows selective interrogation of... Show more
Avionics Practice Test: Surveillance Systems, Mapping and Multimode Radars
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25 Questions

1. The error caused by two aircraft flying close to each other replying to the same interrogation pulse is called ______
2. What type of radar is the primary radar?
3. Both ATCRBS and mode S have the same range.
4. What is the gain required by a weather radar antenna?
5. What is the time separation for P1 and P3 for mode A secondary radar?
6. Secondary radar can identify an aircraft flying in its range.
7. Which mode is used for selective calling?
8. Which of the following is false with respect to secondary radar?
9. Which of the following are present in an ESA?
10. The transmitted and received power is the same in a primary radar.
11. What does the threshold number for Tau depend on?
12. How does mode S identify each aircraft?
13. The ability of the antenna to turn radiated energy into conducted energy is called ____________
14. What are the numbers of non-selective interrogations in mode S system?
15. What is the frequency of interrogation pulse in secondary radar?
16. What is the minimum safe approach distance for a radar system operating in excess of 5kWhr?
17. The undesirable responses from buildings and clouds for the radar pulse are called as __________
18. Both AESA and PESA are ________ radars?
19. What is the range of typical weather radar?
20. Which one of the following is common between AESA and PESA?
21. Which of the following is false with respect to PESA?
22. Which of the following determines the direction of the antenna beam in ESA?
23. Whisper shout is used to avoid garble in TCAS.
24. How is the radar beam moved in the ESA?
25. Which of the following cannot be measured in primary radar?