Electrical Power and Distribution MCQ questions with answers. Solved Electrical Engineering MCQ Questions on power transmission and distribution system.
Which type of transmission lines have more installation cost
Which type of transmission lines have more installation cost:
- Underground transmission lines
- Overhead transmission lines
- Both cost equally
Correct answer: 1. Underground transmission lines
Which of the following method is used for laying underground cables
Which of the following method is used for laying underground cables:
- Direct laying
- Draw in system
- Solid system
- All of these
Correct answer: 4. All of these
The cable which connects distributor to consumer terminals is known as
The cable which connects distributor to consumer terminals is known as:
- Service mains
- Feeder
- Secondary Distributor
- None of these
Correct answer: 1. Service mains
Which of the following material is not used in transmission lines
Which of following material is not used in transmission lines:
- Tungsten
- Copper
- Steel
- Aluminum
Correct answer: 1. Tungsten
Tungsten is a chemical element with the symbol W and atomic number 74. It has one of it has the highest melting point of all the elements discovered that is 3,422°C. Tungsten in its raw form is a hard steel-grey metal which is often brittle and hard. Its physical properties make it difficult to be used in transmission lines.
What is the operating voltage of super tension cables
What is operating voltage of super tension cables:
- 3.3 – 11 kV
- 11 kV – 33 kV
- 33 kV – 66 kV
- 500 kV
Correct answer: 3. 33 kV – 66 kV