Electrical Engineering MCQs on Power Transmission
Contents
- 1 The phenomenon of rise in voltage at the receiving end of the open-circuited or lightly loaded line is termed as
- 2 Overhead system can be designed for operation up to
- 3 The fault that is most likely to occur in cables
- 4 Transmission line insulators are made of
- 5 The presence of ozone due to corona is harmful since it
The phenomenon of rise in voltage at the receiving end of the open-circuited or lightly loaded line is termed as
The phenomenon of rise in voltage at the receiving end of the open-circuited or lightly loaded line is termed as
- Ferranti effect
- Raman effect
- See-back effect
- None of above
Correct answer: 1. Ferranti effect
Overhead system can be designed for operation up to
Overhead system can be designed for operation up to
- 11 kV
- 33 kV
- 400 kV and higher
- 66 kV
Correct answer: 3. 400 kV and higher
The fault that is most likely to occur in cables
The fault that is most likely to occur in cables
- Breakdown of cable insulation
- Cross or short-circuit fault
- Open circuit fault
- All of above
Correct answer: 4. All of above
Transmission line insulators are made of
Transmission line insulators are made of
- Glass
- Iron
- Porcelain
- PVC
Correct answer: 3. Porcelain
The presence of ozone due to corona is harmful since it
The presence of ozone due to corona is harmful since it
- Corrodes the material
- Gives odour
- Reduces power factor
- Transfer energy to the ground
Correct answer: 1. Corrodes the material