MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Antennas knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The electric field of the component increases in ground wave when it tilts more at the surface. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
How the ground wave losses vary with high frequencies? |
| A. | Increases |
| B. | Decreases |
| C. | Does not depend on frequency |
| D. | Increase or decrease |
| Answer» B. Decreases | |
| 3. |
Which of the following propagates by gliding over the surface of earth? |
| A. | Surface wave |
| B. | Tropospheric wave |
| C. | Ionospheric wave |
| D. | Stratospheric waves |
| Answer» B. Tropospheric wave | |
| 4. |
Ground wave field strength is given by E= _________ |
| A. | AE<sub>o</sub>/d |
| B. | A(E<sub>o</sub>)<sup>2</sup>/d |
| C. | dE<sub>o</sub> |
| D. | AE<sub>o</sub>/d<sup>2</sup> |
| Answer» B. A(E<sub>o</sub>)<sup>2</sup>/d | |
| 5. |
Which of the following is particularly used for VLF? |
| A. | Surface wave |
| B. | Tropospheric wave |
| C. | Ionospheric wave |
| D. | Stratospheric waves |
| Answer» B. Tropospheric wave | |
| 6. |
The ground wave propagation uses horizontal polarized antennas |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Ground wave propagation is also known as _________ |
| A. | Surface wave |
| B. | Tropospheric wave |
| C. | Ionospheric wave |
| D. | Stratospheric waves |
| Answer» B. Tropospheric wave | |
| 8. |
The broadcast signals received at low frequencies during day-time are due to _________ |
| A. | Ground wave |
| B. | Space wave |
| C. | Sky wave |
| D. | Tropospheric waves |
| Answer» B. Space wave | |
| 9. |
Ground wave propagation is used for signals up to frequency __________ |
| A. | 2MHz |
| B. | 2GHz |
| C. | 30MHz |
| D. | 30GHz |
| Answer» B. 2GHz | |
| 10. |
Ground wave is always __________ polarized. |
| A. | Vertically |
| B. | Horizontally |
| C. | Either vertical or horizontal |
| D. | Neither horizontal nor vertical |
| Answer» B. Horizontally | |