MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
For the given distribution system the maximum voltage at the midpoint will be ________ |
| A. | 155.6 V |
| B. | 311.12 V |
| C. | 622 V |
| D. | 220 V |
| Answer» B. 311.12 V | |
| 2. |
For the single phase 2-wire system, the maximum voltage between the outer wires and earth is ______________ |
| A. | V/√2 |
| B. | √2V |
| C. | V |
| D. | 2V |
| Answer» B. √2V | |
| 3. |
A DC 2-wire system with mid-point earthed having cross-sectional area of each conductor be ‘a’ and resistance ‘R1’. If this is replaced by monopolar system, then saving of copper will be ______ |
| A. | ½ |
| B. | b¼ |
| C. | 2 |
| D. | 4 |
| Answer» B. b¼ | |
| 4. |
While designing the distribution sub stations by the designer, it is required to use the _______ for the discrete power tapping. |
| A. | distributor |
| B. | power transformer |
| C. | distribution transformer |
| D. | feeder |
| Answer» B. power transformer | |
| 5. |
A DC 2-wire system with mid-point earthed having cross-sectional area of each conductor be ‘a’ and resistance ‘R1’. If the DC tow wire replaces the system, then the ratio of volume of each conductor V1/V2 will be ___________ |
| A. | ¼ |
| B. | ½ |
| C. | 4 |
| D. | 2 |
| Answer» B. ½ | |
| 6. |
For the figure shown, having a 2-wire dc system where mid point is unearthed, having resistance of 20 ohms, with a power transmitted of 5 MW at the voltage level of 440 kV.The power loss of the distribution system will be ___________ |
| A. | 5165 W |
| B. | 515 kW |
| C. | 10330 W |
| D. | 2583 W |
| Answer» E. | |
| 7. |
For the figure shown, having a 2-wire dc system where mid point is earthed, having resistance of 20 ohms, with a power transmitted of 5 MW at the voltage level of 440 kV.The power loss of the distribution system will be ___________ |
| A. | 5165 W |
| B. | 515 kW |
| C. | 10330 W |
| D. | 2583 W |
| Answer» B. 515 kW | |
| 8. |
A _________ distribution system is more reliable than the ______ distribution system. |
| A. | parallel, radial |
| B. | parallel, ring |
| C. | radial, parallel |
| D. | ring, parallel |
| Answer» B. parallel, ring | |
| 9. |
While designing the distribution to locality of one lac population with medium dense load requirement, we can employ ___________ |
| A. | radial system |
| B. | parallel system |
| C. | ring main system |
| D. | any of the mentioned |
| Answer» B. parallel system | |
| 10. |
A transmission and distribution engineer needed to design the sub transmission substation. The tapping component needed will be _______________ |
| A. | feeder |
| B. | distributor |
| C. | transmitters) tap-changing transformer |
| Answer» B. distributor | |