

MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your ENGINEERING SERVICES EXAMINATION (ESE) knowledge and support exam preparation. Choose a topic below to get started.
1. |
Matched filter can also be used as least squares estimator. |
A. | True |
B. | False |
Answer» B. False | |
2. |
Matched filter technique is used to |
A. | Increase SNR |
B. | Decrease SNR |
C. | SNR is not affected |
D. | None of the mentioned |
Answer» B. Decrease SNR | |
3. |
Transmission media used for medium frequency band are |
A. | Coaxial cable |
B. | Copper cable |
C. | Optical fiber |
D. | All of the mentioned |
Answer» C. Optical fiber | |
4. |
Transmission media used in low frequency band are |
A. | Air |
B. | Water |
C. | Copper cable |
D. | All of the mentioned |
Answer» E. | |
5. |
What are the main features of a transmitter? |
A. | Higher clock speed |
B. | Linear power amplifier |
C. | Directional antennas |
D. | All of the mentioned |
Answer» E. | |
6. |
Which corrects the sampling time problem in a digital system? |
A. | Interpolator |
B. | Decimator |
C. | Equalizer |
D. | Filter |
Answer» B. Decimator | |
7. |
The equivalent temperature in a receiver design must be kept |
A. | Low |
B. | Low |
C. | Does not affect the receiver |
D. | None of the mentioned |
Answer» B. Low | |
8. |
Wired channels are |
A. | Lossy |
B. | Lossless |
C. | Lossy & Lossless |
D. | None of the mentioned |
Answer» B. Lossless | |
9. |
What conditions must be fulfilled in a good digital communication system? |
A. | High data rate |
B. | High fidelity |
C. | Low transmit power |
D. | All of the mentioned |
Answer» E. | |
10. |
What are the main features of a receiver? |
A. | Synchronization |
B. | Multiple parallel receiver chain |
C. | Synchronization & Multiple parallel receiver chain |
D. | None of the mentioned |
Answer» D. None of the mentioned | |