The insulating material for cables should be_______.

The faults which are likely to occur in underground cables are 

Murray, Varley and Fisher loop tests are used for 

Under water immersion test cable is immersed in a water bath at 

under high voltage test cable shall withstand a DC voltage of

Murray loop test cannot be used to locate

Murray loop and Varley loop tests employ the principles of the 

The location of ground faults in underground cables can be found by : 

Which of the following is not an advantage of oil filled cables over solid cables?

Low tension cables are generally used up to :

Which of the following conventional methods of laying underground cables is NOT used nowadays ?

The insulation provided to underground cables should NOT have .

For a transmission system of voltage 765kV volts having the core radius of 5 cm and outer radius of 0.40 m. The maximum dielectric stress on single core cable is

The surge impedance of 50 miles long underground cable is 50 ohm. What will it be for 25 miles?

The ratio of dielectric stress of the on the cable corresponding to the maximum and minimum is

Which of the following materials is used for the cable insulation?

Which type of stress is developed in a belted type cable construction used for voltage above 22 kV ?

In underground cables, electrical stress grading is carried out using :

Grading of the cables is performed in order to achieve

(i) Uniform stress

(ii) Reduction in quantity of insulation

(iii) Reduction in quality of insulation

The disadvantage of transmission lines as compared to cables is

Loading of a cable is done to:

1. Increase its inductance

2. Increase its leakage resistance

3. Decrease its leakage resistance

4. Achieve distortion less condition

The material generally used for armour of high voltage cables is

For LV applications (below 1 kV) __________ cables are used

The most commonly used insulation for cables in the low voltage to 33kV range is :

Armoring in cable is used to protect the cable from :

For a flexible cable, most suitable Insulation is

The metallic sheath is usually made of

Which one of the following type of cables cannot be used for 33 KV line?

If the length of a cable is doubled, its capacitance

What is the relation between length of the cable and the capacitance ?

The maximum safe temperature of paper insulated cables is about

The electrostatic stress in underground cable is

Why is single core cables should have armour made of ?

In a PILC cable, the function of the lead sheath is to

Thecharging current in cable

In a single core PILC cable ‘L’ is placed

A single core underground cable is not generally armoured to

_____________ specifies the safe voltage that the insulation of a cable can withstand.

The bedding on a cable consists of

Solid type cables are unreliable for voltages beyond 66 kV because there is a danger of breakdown of insulation due to

The system of laying, underground cables adopted in congested areas where _______ and inconvenient is

Cradle is used in H.T. overhead installation while

In terms of cost, overhead transmission line is better than underground transmission line in the field of

The insulating material for a cable should have

In capacitance grading of cables the dielectric used is

The steel tape armouring over lead sheath is done

The cable used for high voltage applications is :

According to voltage, the cables for operating voltage upto 33000 V are called _______.

Which of the following property is not desirable for the insulating material used in electrical cables?

In design of underground cables the mode of installation determines