Electrical Engineering MCQ on Electric Power Transmission and Distribution MCQ Part 7. More Power transmission MCQ
On basis of which factor underground power transmission is superior to overhead transmission
Underground transmission and distribution of electric power is superior to an overhead system by which respect:
- Appearance
- Public safety
- Maintenance cost
- All of these
Correct answer: 4. All of these
The volume of conductor material required is
The volume of conductor material required is:
- Directly proportional to voltage
- Inversely proportional to voltage
- Directly proportional to square of voltage and pf of load
- Inversely proportional to square of voltage and pf of load
Correct answer: 4. Inversely proportional to square of voltage and pf of load
For a Power factor of 0.8 which of the following ac systems will require more copper as compared to 2 wire dc system
For a Power factor of 0.8 which of the following ac systems will require more copper as compared to 2 wire dc system:
- Single phase, 2 wire
- Single phase, 3 wire
- Three phase, 3 wire
- Three phase, 4 wire
Correct answer: 4. Three phase, 4 wire
Feeder is responsible for supplying power to
Feeder is responsible for supplying power to:
- Step up transformer
- Service mains
- Distributor
- None of above
Correct answer: 3. Distributor
Globally which of the following is highest transmission voltage is used
Globally which of the following is highest transmission voltage is used:
- 265 kV
- 400 KV
- 500 kV
- 765 kV
Correct answer: 4. 765 KV