Electrical Engineering MCQ on Power Transmission
Contents
Transmission voltage of 11 kV is normally used for distances up to
Transmission voltage of 11 kV is normally used for distances up to
- 20 – 25 km
- 40 – 50 km
- 60 – 70 km
- 80 – 100 km
Correct answer: 1. 20 – 25 km
Also see: Economic Power Transmission Voltage Formula
The voltage regulation in magnetic amplifier type voltage regulator is impacted by
The voltage regulation in magnetic amplifier type voltage regulator is impacted by
- Electromagnetic induction
- Variable transformer
- Varying the reactance
- Varying the resistance
Correct answer: 3. Varying the reactance
Skin effect depends on which of following
Skin effect depends on which of following
- Frequency of the current
- Resistivity of the conductor material
- Size of the conductor
- All of above
Correct answer: 4. All of above
Also see: Skin Effect its Impact and Factors Affecting Skin Effect
Line supports for transmission lines should have
Line supports for transmission lines should have
- High mechanical strength
- Longer life
- Low cost
- All of above
Correct answer: 4. All of above
Steel core in aluminum conductors is provided to
Steel core in aluminum conductors is provided to
- Compensate for skin effect
- Increase the tensile strength
- Neutralize proximity effect
- Zero
Correct answer: 2. Increase the tensile strength