MCQOPTIONS
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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Instrumentation Transducers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
WHICH_OF_THE_FOLLOWING_CAN_BE_USED_AS_A_COMPARATOR??$ |
| A. | Zener diode |
| B. | Diode |
| C. | Operational amplifier |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 2. |
Which_of_the_following_are_not_standard_value_of_zener_diodes?$ |
| A. | 5.1 V |
| B. | 5.6 V |
| C. | 5.8V |
| D. | 6.2V |
| Answer» D. 6.2V | |
| 3. |
For instrumentation system, precision variable voltage-reference system is necessary? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
For excellent stability, zener diode is kept in temperature controlled casket. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Stability of output voltage is entirely depended on ______________ |
| A. | Stability of transformer |
| B. | Stability of zener diode |
| C. | Quality of wires |
| D. | Capacitor values |
| Answer» C. Quality of wires | |
| 6. |
Why zener diodes are provided in dc supply? |
| A. | For forward conduction |
| B. | For reverse conduction |
| C. | For reference voltage |
| D. | For increasing amplitude |
| Answer» D. For increasing amplitude | |
| 7. |
Which of the following generate output voltage much closer to true value? |
| A. | True generator |
| B. | Precision generator |
| C. | Output generator |
| D. | Accurate generator |
| Answer» C. Output generator | |
| 8. |
Which of the following represent change of output voltage when load current is increased? |
| A. | Line regulation |
| B. | Load regulation |
| C. | Current regulation |
| D. | Voltage regulation |
| Answer» C. Current regulation | |
| 9. |
Which of the applications filters used for? |
| A. | Reducing ripples |
| B. | Increasing ripples |
| C. | Increasing phase change |
| D. | Increasing amplitude |
| Answer» B. Increasing ripples | |
| 10. |
Which of the following can be source of supply in dc power supplies? |
| A. | Battery |
| B. | Dry cell |
| C. | Full wave rectifier |
| D. | All of the mentioned |
| Answer» E. | |