MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A Janus configuration has less error than a non-Janus configuration. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
A Janus configuration has less error than a non-Janus configuration? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What is the number of beams that a Doppler radar uses? |
| A. | 4 |
| B. | 2 |
| C. | 1 |
| D. | 3 |
| Answer» B. 2 | |
| 4. |
The configuration in which the Doppler radar beams are both forward and backward looking is called as? |
| A. | Janus |
| B. | Dual |
| C. | Redundant |
| D. | Wide beam |
| Answer» B. Dual | |
| 5. |
What is the change in the observed frequency called? |
| A. | Doppler shift |
| B. | Differential frequency |
| C. | Delta frequency |
| D. | Delta shift |
| Answer» B. Differential frequency | |
| 6. |
Doppler radar cannot be used in helicopters. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Which of the following is not true with respect to Doppler radar system? |
| A. | Measures the ground velocity |
| B. | Transmitter power is high and requires ground assistance |
| C. | Velocity is extremely accurate |
| D. | All weather system |
| Answer» C. Velocity is extremely accurate | |
| 8. |
The Doppler radar works by measuring the ________ of the reflected radio wave. |
| A. | Intensity |
| B. | Frequency |
| C. | Doppler amplitude |
| D. | Doppler shift |
| Answer» E. | |
| 9. |
What is the primary function of the Doppler radar? |
| A. | Determining true airspeed |
| B. | Determining ground speed |
| C. | Determining altitude |
| D. | Detecting stealth aircraft |
| Answer» C. Determining altitude | |