MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 3 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. |
The zero stability of vibrating condenser amplifier type pH meter is much better than a direct coupled amplifier. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
In which of the following ways can the disadvantages of chopper amplifier type pH meter be overcome? |
| A. | Using zero corrected DC amplifier |
| B. | Using modern design |
| C. | Using digital design |
| D. | Using vibrating condenser |
| Answer» E. | |
| 3. |
Which of the following is not the characteristic of chopper amplifier pH meter? |
| A. | Direct voltage from the electrodes is chopped at the main frequency |
| B. | Using choppers for high-input resistance gives rise to spikes of waveforms at the output |
| C. | It leads to stability in DC output of phase-sensitive rectifier |
| D. | Magnitude of surge increases in the glass electrode output |
| Answer» D. Magnitude of surge increases in the glass electrode output | |