MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
In Spin Decoupler, the output of the DC amplifier is applied to which of the following to control the power supplied to the oven heaters? |
| A. | Power diode |
| B. | Power transistor |
| C. | Power MOSFET |
| D. | Power IGBT |
| Answer» C. Power MOSFET | |
| 2. |
In order to have a long measuring time for increasing sensitivity, it is better to have several fast scans than a single slow scan. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following is not involved in signal averaging? |
| A. | A system to repeatedly scan the spectral region of interest |
| B. | Some storage device to store information |
| C. | A system to coherently add individual spectra |
| D. | Sweep generator |
| Answer» E. | |
| 4. |
The amplitude of the NMR signal caused by the absorption of RF energy at the radio frequency does not depend upon the power of the RF energy applied. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Sensitivity is the ratio of peak signal amplitude to which of the following? |
| A. | Time |
| B. | Rms noise |
| C. | Average noise |
| D. | Peak-to-peak noise |
| Answer» C. Average noise | |