Electrical Engineering MCQs on Power Transmission Part 38
Contents
- 1 Series capacitors on transmission lines are of little use when the load VAR requirement is
- 2 Pin type insulators are usually not used for voltages beyond
- 3 Which of following equipment is not installed in a substation
- 4 As compared to a 2-wire D.C. distributor, a 3-wire distributor with same maximum voltage to earth uses only
- 5 In transmission lines, the cross-arms are made of
Series capacitors on transmission lines are of little use when the load VAR requirement is
Series capacitors on transmission lines are of little use when the load VAR requirement is
- Fluctuating
- Large
- Small
- All of above
Correct answer: 3. Small
Pin type insulators are usually not used for voltages beyond
Pin type insulators are usually not used for voltages beyond
- 1 kV
- 11 kV
- 22 kV
- 33 kV
Correct answer: 4. 33 kV
Explanation: Pin-type insulators find their application in the field of Electrical Power Transmission and Distribution. Read here the basic introduction, working, and application of pin type insulators.
Which of following equipment is not installed in a substation
Which of following equipment is not installed in a substation
- Exciters
- Series capacitors
- Shunt reactors
- Voltaire transformers
Correct answer: 1. Exciters
Read here: Function of Exciter in Electrical Machines and Power Generation
As compared to a 2-wire D.C. distributor, a 3-wire distributor with same maximum voltage to earth uses only
As compared to a 2-wire D.C. distributor, a 3-wire distributor with same maximum voltage to earth uses only
- 125 percent of copper
- 31.25 percent of copper
- 33.3 percent of copper
- 66.7 percent of copper
Correct answer: 2. 31.25 percent of copper
In transmission lines, the cross-arms are made of
In transmission lines, the cross-arms are made of
- Copper
- RCC
- Steel
- Wood
Correct answer: 3. Steel