MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Measurements knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How can the input be isolated from the system? |
| A. | using optocouplers |
| B. | using op-amps |
| C. | using a capacitor |
| D. | using rectifiers |
| Answer» B. using op-amps | |
| 2. |
A/D converters can’t be used for low frequency ranges. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Digital outputs are obtained from _____________ |
| A. | A/D converter |
| B. | D/A converter |
| C. | Oscilloscope |
| D. | Voltage source |
| Answer» B. D/A converter | |
| 4. |
Which is the best example of a single channel data acquisition system? |
| A. | CPM |
| B. | BPM |
| C. | APM |
| D. | DPM |
| Answer» E. | |
| 5. |
HOW_CAN_THE_INPUT_BE_ISOLATED_FROM_THE_SYSTEM??$ |
| A. | using optocouplers |
| B. | using op-amps |
| C. | using a capacitor |
| D. | using rectifiers |
| Answer» B. using op-amps | |
| 6. |
What is pre-amplification? |
| A. | reducing the magnitude of a signal |
| B. | making the magnitude of a signal zero |
| C. | reducing the noise |
| D. | boosting the signal |
| Answer» E. | |
| 7. |
Which technique is most widely used in the single channel data acquisition system? |
| A. | Counter type approximation |
| B. | Flash approximation |
| C. | Successive approximation |
| D. | Delta Sigma approximation |
| Answer» D. Delta Sigma approximation | |
| 8. |
A/D converters can’t be used for low frequency ranges.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Digital outputs are obtained from |
| A. | A/D converter |
| B. | D/A converter |
| C. | Oscilloscope |
| D. | Voltage source |
| Answer» B. D/A converter | |
| 10. |
The best example for a single channel data acquisition system is |
| A. | CPM |
| B. | BPM |
| C. | APM |
| D. | DPM |
| Answer» E. | |
| 11. |
The buffer output is ________ |
| A. | analog |
| B. | zero |
| C. | digital |
| D. | mixed mode |
| Answer» D. mixed mode | |
| 12. |
A/D conversion rate is __________ |
| A. | variable |
| B. | predefined |
| C. | zero |
| D. | constant |
| Answer» C. zero | |
| 13. |
A single channel data system consists of a signal conditioner, A/D converter and a buffer. |
| A. | True |
| B. | False |
| Answer» B. False | |