MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Power Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following wire is used as stay wire? |
| A. | All Aluminium Conductors |
| B. | Standard Galvanized Steel Conductors |
| C. | Cadmium Copper Conductors |
| D. | Phosphor Bronze Conductors |
| Answer» C. Cadmium Copper Conductors | |
| 2. |
Which of the following conductor is needed to use with shortest span? |
| A. | ACSR Conductors |
| B. | All Aluminium Conductors |
| C. | Hard Drawn Copper Conductors |
| D. | Cadmium Copper Conductors |
| Answer» C. Hard Drawn Copper Conductors | |
| 3. |
WHICH_OF_THE_FOLLOWING_CONDUCTOR_IS_NEEDED_TO_USE_WITH_SHORTEST_SPAN??$ |
| A. | ACSR Conductors |
| B. | All Aluminium Conductors |
| C. | Hard Drawn Copper Conductors |
| D. | Cadmium Copper Conductors |
| Answer» C. Hard Drawn Copper Conductors | |
| 4. |
Which_of_the_following_wire_is_used_as_stay_wire?$ |
| A. | All Aluminium Conductors |
| B. | Standard Galvanized Steel Conductors |
| C. | Cadmium Copper Conductors |
| D. | Phosphor Bronze Conductors |
| Answer» C. Cadmium Copper Conductors | |
| 5. |
In extra High Voltage lines, which conductor material is used for ground wire provided above the line conductors for protection against lightning? |
| A. | Hard drawn copper |
| B. | Cadmium copper |
| C. | Stranded galvanized steel |
| D. | ACSR |
| Answer» D. ACSR | |
| 6. |
What is the advantage of cadmium copper over hard drawn copper? |
| A. | Higher conductivity |
| B. | Higher tensile strength |
| C. | Low cost |
| D. | Low conductivity |
| Answer» C. Low cost | |
| 7. |
What is the amount of Corona losses in ACSR conductors in comparison to copper conductors? |
| A. | Low |
| B. | High |
| C. | Same |
| D. | No Corona loss |
| Answer» B. High | |
| 8. |
Which of the following conductive material will be preferred when harmful gases such as ammonia are present in atmosphere? |
| A. | Cadmium copper |
| B. | Phosphor bronze |
| C. | Galvanized steel |
| D. | Aluminium |
| Answer» C. Galvanized steel | |
| 9. |
Which of the following conductors are most suitable for short lines supplying rural areas and operating at voltage of about 11 Kv? |
| A. | Hard Drawn Copper Conductor |
| B. | ACSR Conductor |
| C. | Galvanized steel |
| D. | Phosphor Bronze |
| Answer» D. Phosphor Bronze | |
| 10. |
What is the disadvantage of using Stranded Hard Drawn Copper for overhead transmission lines? |
| A. | Low tensile strength |
| B. | Due to electrolytic troubles |
| C. | Corrosion |
| D. | High cost |
| Answer» E. | |
| 11. |
A standard conductor have three layers of wire. What will be the diameter of stranded conductor if diameter of each strand is 5 mm? |
| A. | 38 mm |
| B. | 15 mm |
| C. | 20 mm |
| D. | 35 mm |
| Answer» E. | |
| 12. |
In stranded conductor of 6 layers, what will be the total number of individual wire? |
| A. | 75 |
| B. | 85 |
| C. | 84 |
| D. | 74 |
| Answer» C. 84 | |