Electrical Engineering MCQs on Power Transmission
Contents
For which of the following equipment current rating is not essential
For which of the following equipment current rating is not essential
- Circuit breakers
- Circuit breakers and load break switches
- Isolators
- Load break switch
Correct answer: 3. Isolators
Which of the below mentioned are constants of the transmission lines
Which of the below mentioned are constants of the transmission lines
- Capacitance
- Inductance
- Resistance
- All of above
Correct answer: 4. All of above
More reliable distribution systems is
More reliable distribution systems is
- Radial system
- Ring main system
- Tree system
- All are equally reliable
Correct answer: 2. Ring main system
The material usually employed for armor of high voltage cables is
The material usually employed for armor of high voltage cables is
- Aluminum
- Brass
- Copper
- Steel
Correct answer: 4. Steel
String efficiency can be improved by
String efficiency can be improved by
- Grading the insulator
- Using a guard ring
- Using long cross arm
- Any of above
Correct answer: 4. Any of above