MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following materials is not used for transmission and distribution of electrical power ? |
| A. | Copper |
| B. | Aluminium |
| C. | Steel |
| D. | Tungsten |
| Answer» E. | |
| 2. |
Which of the following equipment, for regulating the voltage in distribution feeder, will be most economical ? |
| A. | Static condenser |
| B. | Synchronous condenser |
| C. | Tap changing transformer |
| D. | Booster tr |
| Answer» B. Synchronous condenser | |
| 3. |
For transmission of power over a distance of 500 km, the transmission voltage should be in the range |
| A. | 150 to 220 kV |
| B. | 100 to 120 kV |
| C. | 60 to 100 kV |
| D. | 20 to 50 kV |
| Answer» B. 100 to 120 kV | |
| 4. |
As compared to a 2-wire D.C. distributor, a 3-wire distributor with same maximum voltage to earth uses only |
| A. | 31.25 percent of copper |
| B. | 33.3 percent of copper |
| C. | 66.7 percent of copper |
| D. | 125 percent of copper |
| Answer» B. 33.3 percent of copper | |
| 5. |
Transmitted power remaining the same, if supply voltage of a D.C. 2-wire feeder is increased 100 percent, saving in copper is |
| A. | 25 percent |
| B. | 50 percent |
| C. | 75 percent |
| D. | 100 percent |
| Answer» C. 75 percent | |
| 6. |
When a live conductor of public electric supply breaks down and touches the earth which of the following will happen ? |
| A. | Current will flow to earth |
| B. | Supply voltage will drop |
| C. | Supply voltage will increase |
| D. | No current will flow in the conductor |
| Answer» B. Supply voltage will drop | |
| 7. |
The phenomenon qf rise in voltage at the receiving end of the open-circuited or lightly loaded line is called the |
| A. | Seeback effect |
| B. | Ferranti effect |
| C. | Raman effect |
| D. | none of the above |
| Answer» C. Raman effect | |