 
			 
			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. | |