# Electrical Power Transmission MCQs Part 42

## Cables for 220 kV lines are invariably

Cables for 220 kV lines are invariably

1. Compressed oil or compressed gas insulated
2. Mica insulated
3. Paper insulated
4. Rubber insulated

Correct answer: 1. Compressed oil or compressed gas insulated

## The location of fault in cables is generally found by comparing

The location of fault in cables is generally found by comparing

1. The capacitances of insulated conductors
2. The inductance of conductors
3. The resistance of the conductor
4. All of above parameters

Correct answer: 1. The capacitances of insulated conductors

## Charging current in cables leads or lags voltage. It

Charging current in cables leads or lags voltage. It

1. Lags the voltage by 180°
2. Lags the voltage by 90°
3. Leads the voltage by 180°
4. Leads the voltage by 90°

## In case of three core flexible cables the color of the neutral is

In case of three core flexible cables the color of the neutral is

1. Black
2. Blue
3. Brown
4. None of these