Electrical Power Transmission MCQs Part 15

Electrical Power Transmission MCQs Part 15

Transposition of transmission line is carried out in order to

Transposition of transmission line is carried out in order to:

1. Reduce corona
2. Reduce skin effect
3. Reduce line loss
4. Balance line voltage drop

Correct answer: 1. Balance line voltage drop

The shunt adimttance of transmission line is 5 μS. Its complex notation is

The shunt adimttance of transmission line is 5 μS. Its complex notation is:

1. 5 x  ∠ 90° S
2. 5 x  ∠ 0° S
3. 5 x  ∠ 120° S
4. None of these

Correct answer: 1. 5 x  ∠ 90° S

Negative voltage regulation of transmission line implies

Negative voltage regulation of transmission line implies:

1. V_R >V_S
2.  V_R=V_S
3.  V_R<V_S
4. None of these

Correct answer: 1. V_R >V_S

The most commonly used material for insulators of overhead transmission lines is

The most commonly used material for insulators of overhead transmission lines is:

1. PVC
2. Porcelain
3. Mica
4. Glass

Correct answer: 2. Porcelain

Corona effect in transmission lines

Corona effect in transmission lines

1. Produces ozone gas
2. Causes power line to draw non-sinusoidal current
3. Reduced efficiency of power transmission
4. All of these

Correct answer:  4. All of these

See complete list of Electrical Power transmission MCQs here

Other Electrical Engineering MCQs

1. Basic Electrical Laws and Theorems
2. Basic Voltage and Current MCQs
3. High Voltage Engineering MCQs
4. Induction Motor MCQs
5. Power Electronics
6. Power Distribution MCQs
7. Power Generation MCQs
8. Power System Protection MCQ