Electric Power Transmission and Distribution MCQ Part 7

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:

  1. Appearance
  2. Public safety
  3. Maintenance cost
  4. All of these

Correct answer: 4. All of these

The volume of conductor material required is

The volume of conductor material required is:

  1. Directly proportional to voltage
  2. Inversely proportional to voltage
  3. Directly proportional to square of voltage and pf of load
  4. 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:

  1. Single phase, 2 wire
  2. Single phase, 3 wire
  3. Three phase, 3 wire
  4. 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:

  1. Step up transformer
  2. Service mains
  3. Distributor
  4. 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:

  1. 265 kV
  2. 400 KV
  3. 500 kV
  4. 765 kV

Correct answer: 4. 765 KV

Leave a Comment