Electrical Power Transmission MCQs Part 1

Electrical Power Transmission Multiple choice questions Part 1

Worldwide Power transmission is done at

1. Worldwide Power transmission is done at:

1. 100 – 500 kV
2. 254 – 380 kV
3. 138 – 765 kV
4. 1000 kV – 5000 kV

Correct answer: 3. 138 – 765 kV

Single-Stage Optimization Model is limited in providing

2. Single-Stage Optimization Model is limited in providing:

1. Information on expansion timing
2. Year by year expansion calculations
3. Both of these
4. None of these

Correct answer: 1. Information on expansion timing

The factors which should be considered while designing overhead lines

3. The factors which should be considered while designing overhead lines:

1. Voltage level
2. Protection techniques
3. Sag
4. Stress
5. All of these

Correct answer: 5. All of these

OH Power transmission comprises

4. OH Power transmission comprises:

1. 3-phase, 3-wire
2. 3-phase, 4-wire
3. 3-phase, 2-wire
4. 2-phase, 2-wire

Correct answer: 1. 3-phase, 3-wire

Series capacitors are employed to

5. Series capacitors are employed to:

1. Transform voltages
2. Reduce line impedance
3. Decrease voltages
4. Disconnect lines

Correct answer: 2. Reduce line impedance

HVDC Transmission requires

6. HVDC Transmission requires:

1. 2 conductors
2. 3 conductors
3. 4 conductors
4. 5 conductors

Correct answer: 1. 2 conductors

HVDC voltage has

7. HVDC voltage has:

1. No corona losses
2. Same corona losses as in AC
3. Lesser corona losses than AC
4. More corona losses than AC

Correct answer: 3. Lesser corona losses than AC

Transmission lines having span 250 km or higher are considered

8. Transmission lines having span 250 km or higher are considered:

1. Short transmission lines
2. Medium transmission lines
3. Long transmission lines
4. None of these

Correct answer: 3. Long transmission lines

Usually, electric power systems are represented via

9. Usually, electric power systems are represented via:

1. Three phase diagrams
2. Single line diagram
3. Two-phase diagram
4. None

Correct answer: 2. Single line diagram

The nodal point of transmission networks

10. The nodal point of transmission networks:

1. CTs
2. PTS
3. Buses
4. Breakers

Correct answer: 3. Buses

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Other Electrical Power Transmission MCQs [Complete list]