MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Secondary radar can identify an aircraft flying in its range. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
What is the reflected pulse in primary radar called? |
| A. | Reply |
| B. | Return |
| C. | Echo |
| D. | Radio reply |
| Answer» D. Radio reply | |
| 3. |
The ability of the antenna to turn radiated energy into conducted energy is called ____________ |
| A. | Return ratio |
| B. | Power ratio |
| C. | Capture area |
| D. | RCS |
| Answer» D. RCS | |
| 4. |
Which of the following is false with respect to secondary radar? |
| A. | Requires more power than primary radar |
| B. | Needs a transponder device on the aircraft |
| C. | IFF |
| D. | Better range |
| Answer» B. Needs a transponder device on the aircraft | |
| 5. |
THE_ABILITY_OF_THE_ANTENNA_TO_TURN_RADIATED_ENERGY_INTO_CONDUCTED_ENERGY_IS_CALLED_____________?$ |
| A. | Return ratio |
| B. | Power ratio |
| C. | Capture area |
| D. | RCS |
| Answer» D. RCS | |
| 6. |
Secondary radar can identify an aircraft flying in its range.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
What_is_the_reflected_pulse_in_primary_radar_called?$ |
| A. | Reply |
| B. | Return |
| C. | Echo |
| D. | Radio reply |
| Answer» D. Radio reply | |
| 8. |
What is the time separation for P1 and P3 for mode A secondary radar? |
| A. | 8 μs |
| B. | 21 μs |
| C. | 6 μs |
| D. | 4 μs |
| Answer» B. 21 ‚âà√≠¬¨‚à´s | |
| 9. |
The undesirable responses from buildings and clouds for the radar pulse are called as __________ |
| A. | Noise |
| B. | Disturbance |
| C. | Clutter |
| D. | Radio error |
| Answer» D. Radio error | |
| 10. |
Which mode of the secondary radar gives only altitude? |
| A. | Mode A |
| B. | Mode B |
| C. | Mode C |
| D. | Mode S |
| Answer» B. Mode B | |
| 11. |
The strength of a secondary radar varies inversely with distance to the ______ power. |
| A. | Second |
| B. | Fourth |
| C. | Eighth |
| D. | Zeroth |
| Answer» B. Fourth | |
| 12. |
What is one of the main objectives of a military aircraft design? |
| A. | High heat signature |
| B. | Low RCS |
| C. | High RCS |
| D. | Highly stable configuration |
| Answer» C. High RCS | |
| 13. |
The transmitted and received power is the same in a primary radar. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
How well a target backscatters radar depends on ________ |
| A. | The objects RCS |
| B. | Power of radar |
| C. | Speed of the object |
| D. | Heat signature of the object |
| Answer» B. Power of radar | |
| 15. |
What is the full form of RADAR? |
| A. | Radio and ranging |
| B. | Radio range |
| C. | Range detection radio |
| D. | Radio Detection and Ranging |
| Answer» E. | |
| 16. |
What type of radar is the primary radar? |
| A. | Pulse |
| B. | Continuous wave |
| C. | Low frequency |
| D. | Analog |
| Answer» B. Continuous wave | |
| 17. |
Which of the following is false with respect to primary radar? |
| A. | Friend or foe identification is possible |
| B. | Height of the aircraft cannot be determined |
| C. | Has a wide range |
| D. | Requires high power |
| Answer» B. Height of the aircraft cannot be determined | |
| 18. |
Which of the following cannot be measured in primary radar? |
| A. | Height of the aircraft |
| B. | Speed of the aircraft |
| C. | Direction of the aircraft |
| D. | Position of the aircraft |
| Answer» B. Speed of the aircraft | |