In capacitance grading of cables we use a _________ dielectric. Homogeneous Porous Hygroscopic Composite TRUE ANSWER : ? YOUR ANSWER : ?
In a cable, the maximum stress under operating conditions is at Sheath Conductor surface Insulation layer Armour TRUE ANSWER : ? YOUR ANSWER : ?
The advantage of cables over overhead transmission lines is Can be used in congested areas Can be used in high voltage circuits Easy maintenance Low cost TRUE ANSWER : ? YOUR ANSWER : ?
The minimum dielectric stress in a cable is at Armour Bedding Conductor surface Lead sheath TRUE ANSWER : ? YOUR ANSWER : ?
The breakdown voltage of a cable depends on Working temperature All of the listed here Time of application of the voltage Presence of moisture TRUE ANSWER : ? YOUR ANSWER : ?
In cables the charging current Lags the voltage by 180° Leads the voltage by 90° Lags the voltage by 90° Leads the voltage by 180° TRUE ANSWER : ? YOUR ANSWER : ?
The breakdown of insulation of the cable can be avoided economically by the use of Insulating materials with different dielectric constants Inter-sheaths None of the listed here Both Inter-sheaths and Insulating materials with different dielectric constants TRUE ANSWER : ? YOUR ANSWER : ?
Pressure cables are generally not used beyond 11 kV 132 kV 33 kV 66 kV TRUE ANSWER : ? YOUR ANSWER : ?
Conduit pipes are normally used to protect ________ cables. All of the listed here Unsheathed cables Armoured PVC sheathed cables TRUE ANSWER : ? YOUR ANSWER : ?
High tension cables are generally used up to 66 kV 132 kV 11 kV 33 kV TRUE ANSWER : ? YOUR ANSWER : ?