MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your RRB Junior Engineer knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An ammeter is convertible to a voltmeter by |
| A. | Changing the scale |
| B. | Putting a large resistance in parallel with the actual measuring part of the instrument |
| C. | Putting a large resistance in series with the actual measuring part of the instrument |
| D. | Simply installing the instrument in parallel with the circuit |
| Answer» D. Simply installing the instrument in parallel with the circuit | |
| 2. |
In hot wire instrument, the sensing wire is made of |
| A. | Copper |
| B. | Silver |
| C. | Platinum-iridium |
| D. | Copper-Nickel |
| Answer» D. Copper-Nickel | |
| 3. |
A pointer of an instrument once deflected returns to zero position, when the current is removed due to |
| A. | Action of gravity |
| B. | Mass of the pointer |
| C. | Controlling Torque |
| D. | Damping Torques |
| Answer» D. Damping Torques | |
| 4. |
An instrument in which the value of ethnical quantity to be measured can be determined from the deflection of the instrument when it has been precalibrated by comparison with an absolute instrument |
| A. | Absolute instrument |
| B. | Secondary instrument |
| C. | Recording instrument |
| D. | Integrating instrument |
| Answer» C. Recording instrument | |
| 5. |
A measuring system consists of |
| A. | Sensors |
| B. | Variable conversion elements |
| C. | Signal processing elements |
| D. | All of these |
| Answer» E. | |