The thickness of metallic shielding on cables is usually 3 to 5 mm 40 to 60 mm 0.2 to 0.4 mm 0.04 mm TRUE ANSWER : ? YOUR ANSWER : ?
If a power cable and a communication cable are to run parallel the minimum distance between the two, to avoid interference, should be 100 cm 50 cm 30 cm 20 cm TRUE ANSWER : ? YOUR ANSWER : ?
Conduit pipes are normally used to protect ________ cables. PVC sheathed cables All of the listed here Armoured Unsheathed cables TRUE ANSWER : ? YOUR ANSWER : ?
The minimum dielectric stress in a cable is at Conductor surface Armour Bedding Lead sheath TRUE ANSWER : ? YOUR ANSWER : ?
In a cable immediately above metallic sheath ________ is provided. Armouring Bedding None of the listed here Earthing connection TRUE ANSWER : ? YOUR ANSWER : ?
In capacitance grading of cables we use a _________ dielectric. Composite Homogeneous Hygroscopic Porous TRUE ANSWER : ? YOUR ANSWER : ?
The relative permittivity of rubber is None of the listed here Between 8 and 9 Between 2 and 3 Between 5 and 7 TRUE ANSWER : ? YOUR ANSWER : ?
High tension cables are generally used up to 33 kV 11 kV 132 kV 66 kV TRUE ANSWER : ? YOUR ANSWER : ?
In the cables, the location of fault is usually found out by comparing All of the listed here The inductance of conductors The capacitances of insulated conductors The resistance of the conductor TRUE ANSWER : ? YOUR ANSWER : ?
In a cable, the maximum stress under operating conditions is at Armour Conductor surface Sheath Insulation layer TRUE ANSWER : ? YOUR ANSWER : ?