MCQOPTIONS
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MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Analytical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following detectors are well suited for spark source instruments? |
| A. | Faraday cup collector |
| B. | Photographic plates |
| C. | Micro-channel plate |
| D. | Electron multiplier transducer |
| Answer» C. Micro-channel plate | |
| 2. |
Photographic plates are coated with which of the following? |
| A. | Lead |
| B. | Quartz |
| C. | Silver bromide |
| D. | Mercuric sulphate |
| Answer» D. Mercuric sulphate | |
| 3. |
Which of the following is the least sensitive ion detector? |
| A. | Faraday cup collector |
| B. | Channeltron |
| C. | Micro-channel plate |
| D. | Electron multiplier transducer |
| Answer» B. Channeltron | |
| 4. |
In which of the following detectors, the collector is placed in an inclined manner? |
| A. | Faraday cup collector |
| B. | Channeltron |
| C. | Micro-channel plate |
| D. | Electron multiplier transducer |
| Answer» B. Channeltron | |
| 5. |
Which of the following are not the characteristics of an electron multiplier transducer? |
| A. | Rugged |
| B. | Reliable |
| C. | Microsecond of response time required |
| D. | High current gain |
| Answer» D. High current gain | |
| 6. |
IN_WHICH_OF_THE_FOLLOWING_DETECTORS,_THE_COLLECTOR_IS_PLACED_IN_AN_INCLINED_MANNER??$ |
| A. | Faraday cup collector |
| B. | Channeltron |
| C. | Micro-channel plate |
| D. | Electron multiplier transducer |
| Answer» B. Channeltron | |
| 7. |
Photographic plates are coated with which of the following?$ |
| A. | Lead |
| B. | Quartz |
| C. | Silver bromide |
| D. | Mercuric sulphate |
| Answer» D. Mercuric sulphate | |
| 8. |
Which_of_the_following_is_the_least_sensitive_ion_detector?$ |
| A. | Faraday cup collector |
| B. | Channeltron |
| C. | Micro-channel plate |
| D. | Electron multiplier transducer |
| Answer» B. Channeltron | |
| 9. |
Which of the following detectors can be used for ions with short life time? |
| A. | Faraday cup collector |
| B. | Photographic plates |
| C. | Micro-channel plate |
| D. | Electron multiplier transducer |
| Answer» C. Micro-channel plate | |
| 10. |
Which of the following detectors consist of an array of glass capillaries? |
| A. | Faraday cup collector |
| B. | Photographic plates |
| C. | Micro-channel plate |
| D. | Electron multiplier transducer |
| Answer» D. Electron multiplier transducer | |
| 11. |
Photographic plates have greater sensitivity and resolution than electron multipliers. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Which_of_the_following_detectors_are_well_suited_for_spark_source_instruments? |
| A. | Faraday cup collector |
| B. | Photographic plates |
| C. | Micro-channel plate |
| D. | Electron multiplier transducer |
| Answer» C. Micro-channel plate | |
| 13. |
Which of the following are true about dynodes used in discrete dynode electron multiplier? |
| A. | The dynodes are all kept at same voltage |
| B. | Successive dynodes are held at lower potential |
| C. | Successive dynodes are held at higher potential |
| D. | All dynodes are held at very low potential |
| Answer» D. All dynodes are held at very low potential | |
| 14. |
Which of the following are not the characteristics of electron multiplier transducer? |
| A. | Rugged |
| B. | Reliable |
| C. | Microsecond of response time required |
| D. | High current gain |
| Answer» D. High current gain | |
| 15. |
The potential maintained across the continuous dynode multiplier transducer is which of the following? |
| A. | 1 to 5kV |
| B. | 5 to 10kV |
| C. | 2.5 to 6.2kV |
| D. | 1.8 to 2kV |
| Answer» E. | |
| 16. |
Continuous dynode electron multiplier transducer is a trumpet shaped device made with which of the following? |
| A. | Glass doped with lead |
| B. | Steel doped with bronze |
| C. | Phosphor bronze doped with iron |
| D. | Iron doped with calcium |
| Answer» B. Steel doped with bronze | |
| 17. |
Discrete type electron multiplier transducers can provide current gain upto which of the following? |
| A. | 10<sup>2</sup> |
| B. | 10<sup>5</sup> |
| C. | 10<sup>7</sup> |
| D. | 10<sup>11</sup> |
| Answer» D. 10<sup>11</sup> | |
| 18. |
Which of the following is used in places where ion currents are very low? |
| A. | Faraday cup collector |
| B. | Channeltron |
| C. | Micro-channel plate |
| D. | Electron multiplier transducer |
| Answer» E. | |
| 19. |
Which of the following is similar to photo multiplier transducer? |
| A. | Faraday cup collector |
| B. | Channeltron |
| C. | Micro-channel plate |
| D. | Electron multiplier transducer |
| Answer» E. | |
| 20. |
Which of the following is not an ion transducer or detector? |
| A. | Faraday cup collector |
| B. | Channeltron |
| C. | Micro-channel plate |
| D. | Flame ionization detector |
| Answer» E. | |