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This section includes 13 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 is used as a coolant for magnets in continuous-wave NMR spectrometer? |
A. | Water |
B. | Liquid He |
C. | Liquid Na |
D. | Heavy water |
Answer» B. Liquid He | |
2. |
Minimal type of NMR spectrometer is inexpensive. |
A. | True |
B. | False |
Answer» B. False | |
3. |
Which of the following NMR spectrometer does not require a power supply and cooling system? |
A. | Minimal type |
B. | Maximal type |
C. | Multipurpose type |
D. | Wideline type |
Answer» B. Maximal type | |
4. |
MINIMAL_TYPE_NMR_SPECTROMETER_IS_INEXPENSIVE.?$ |
A. | True |
B. | False |
Answer» B. False | |
5. |
Which_of_the_following_is_used_as_coolant_for_magnets_in_continuous-wave_NMR_spectrometer?$ |
A. | Water |
B. | Liquid He |
C. | Liquid Na |
D. | Heavy water |
Answer» B. Liquid He | |
6. |
Which of the following NMR spectrometer does not require power supply and cooling system? |
A. | Minimal type |
B. | Maximal type |
C. | Multipurpose type |
D. | Wideline type |
Answer» B. Maximal type | |
7. |
Which of the following NMR spectrometer emphasises on high performance versatility with cost being a secondary consideration? |
A. | Minimal type |
B. | Maximal type |
C. | Multipurpose type |
D. | Wideline type |
Answer» D. Wideline type | |
8. |
Permanent magnet cannot be used in wideline type NMR spectrometer. |
A. | True |
B. | False |
Answer» C. | |
9. |
Which among the following NMR spectrometer is the more diverse spectrometer? |
A. | Minimal type |
B. | Maximal type |
C. | Multipurpose type |
D. | Wideline type |
Answer» D. Wideline type | |
10. |
In wideline NMR spectrometers, which of the following has to be supplied to the electromagnet? |
A. | Slowly varying low voltage |
B. | Rapidly varying low voltage |
C. | Slowly varying scan voltage |
D. | Rapidly varying scan voltage |
Answer» D. Rapidly varying scan voltage | |
11. |
Which of the following type of NMR spectrometer uses a frequency synthesizer to generate RF fields? |
A. | Minimal type |
B. | Maximal type |
C. | Multipurpose type |
D. | Wideline type |
Answer» D. Wideline type | |
12. |
Which of the following NMR spectrometers have stressed reliability and ease of operation? |
A. | Minimal type |
B. | Maximal type |
C. | Multipurpose type |
D. | Wideline type |
Answer» B. Maximal type | |
13. |
Which of the following is not a type of NMR spectrometer? |
A. | Minimal type |
B. | Maximal type |
C. | Multipurpose type |
D. | Wideline type |
Answer» C. Multipurpose type | |