Electrical Cables — Part 2 MCQs with Explanations

Maximum at the conductor and minimum at the sheath is the correct answer to “The electrostatic stress in underground cables is”. This question is standard in competitive examination syllabi for Electrical Cables.

Yes is the correct answer to “Rubber is most commonly used insulation in cables.”. This question is standard in competitive examination syllabi for Electrical Cables.

All of the above is the correct answer to “The advantage of oil filled cables is”. This question is standard in competitive examination syllabi for Electrical Cables.

3 to 5 mm is the correct answer to “The thickness of metallic shielding on cables is usually”. This question is standard in competitive examination syllabi for Electrical Cables.

Annealed is the correct answer to “Copper as conductor for cables is used as”. This question is standard in competitive examination syllabi for Electrical Cables.

Blue is the correct answer to “In case of three core flexible cable the color of the neutral is”. This question is standard in competitive examination syllabi for Electrical Cables.

Yes is the correct answer to “Natural rubber is obtained from milky sap of tropical trees.”. This question is standard in competitive examination syllabi for Electrical Cables.

Can be used in congested areas is the correct answer to “The advantage of cables over overhead transmission lines is”. This question is standard in competitive examination syllabi for Electrical Cables.

Oil filled is the correct answer to “Cables, generally used beyond 66 kV are”. This question is standard in competitive examination syllabi for Electrical Cables.

50 ohms is the correct answer to “The surge resistance of cable is”. This question is standard in competitive examination syllabi for Electrical Cables.

It is hygroscopic is the correct answer to “The disadvantage with paper as insulating material is”. This question is standard in competitive examination syllabi for Electrical Cables.

Armouring is the correct answer to “Which of the following protects a cable against mechanical injury”. This question is standard in competitive examination syllabi for Electrical Cables.

Leads the voltage by 90° is the correct answer to “In cables the charging current”. This question is standard in competitive examination syllabi for Electrical Cables.

Between 2 and 3 is the correct answer to “The relative permittivity of rubber is”. This question is standard in competitive examination syllabi for Electrical Cables.

The capacitances of insulated conductors is the correct answer to “In the cables, the location of fault is usually found out by comparing”. This question is standard in competitive examination syllabi for Electrical Cables.

Avoid excessive sheath losses is the correct answer to “In single core cables armouring is not done to”. This question is standard in competitive examination syllabi for Electrical Cables.