Cables MCQ Questions with answers and solutions Page 1

Q. Empire tape is

(A) varnished cambric
(B) vulcanised rubber
(C) impregnated paper
(D) none of the above

💬 Discuss

✅ Correct Answer: (A) varnished cambric

Published by Nisha Gupta ⭐ 2.32K Points at 03-May-2023 03:14 pm in Cables

Q. Dielectric strength of rubber is around

(A) 5 kV/mm
(B) 15 kV/mm
(C) 30 kV/mm
(D) 200 kV/mm

💬 Discuss

✅ Correct Answer: (C) 30 kV/mm

Published by Nisha Gupta ⭐ 2.32K Points at 03-May-2023 03:14 pm in Cables

Q. Copper as conductor for cables is used as

(A) annealed
(B) hardened and tempered
(C) hard drawn
(D) alloy with chromium

💬 Discuss

✅ Correct Answer: (A) annealed

Published by Nisha Gupta ⭐ 2.32K Points at 03-May-2023 03:14 pm in Cables

Q. Conduit pipes are normally used to protect _________ cables.

(A) unsheathed cables
(B) armoured
(C) PVC sheathed cables
(D) all of the above

💬 Discuss

✅ Correct Answer: (A) unsheathed cables

Published by Nisha Gupta ⭐ 2.32K Points at 03-May-2023 03:14 pm in Cables

Q. Capacitance grading of cable implies

(A) use of dielectrics of different permeabilities
(B) grading according to capacitance of cables per km length
(C) cables using single dielectric in different concentrations
(D) capacitance required to be introduced at different lengths to counter the effect of inductance

💬 Discuss

✅ Correct Answer: (A) use of dielectrics of different permeabilities

Published by Nisha Gupta ⭐ 2.32K Points at 03-May-2023 03:14 pm in Cables

Q. Cables, generally used beyond 66 kV are

(A) oil filled
(B) S.L. type
(C) belted
(D) armoured

💬 Discuss

✅ Correct Answer: (A) oil filled

Published by Nisha Gupta ⭐ 2.32K Points at 03-May-2023 03:14 pm in Cables

Q. Cables for 220 kV lines are invariably

(A) mica insulated
(B) paper insulated
(C) compressed oil or compressed gas insulated
(D) rubber insulated

💬 Discuss

✅ Correct Answer: (C) compressed oil or compressed gas insulated

Published by Nisha Gupta ⭐ 2.32K Points at 03-May-2023 03:14 pm in Cables

Q. Cables are used for 132 kV lines.

(A) High tension
(B) Super tension
(C) Extra high tension
(D) Extra super voltage

💬 Discuss

✅ Correct Answer: (D) Extra super voltage

Published by Nisha Gupta ⭐ 2.32K Points at 03-May-2023 03:14 pm in Cables

Q. A certain cable has an insulation of relative permittivity 4. If the insulation is replaced by one of relative permittivity 2, the capacitance of the cable will become

(A) one half
(B) double
(C) four times
(D) none of the above

💬 Discuss

✅ Correct Answer: (A) one half

Published by Nisha Gupta ⭐ 2.32K Points at 03-May-2023 03:14 pm in Cables

Q. A cable carrying alternating current has

(A) hysteresis losses only
(B) hysteresis and leakage losses only
(C) hysteresis, leakage and copper losses only
(D) hysteresis, leakage, copper and friction losses

💬 Discuss

✅ Correct Answer: (B) hysteresis and leakage losses only

Published by Nisha Gupta ⭐ 2.32K Points at 03-May-2023 03:14 pm in Cables

Cables MCQs | Page - 1

Q. Empire tape is

Q. Dielectric strength of rubber is around

Q. Copper as conductor for cables is used as

Q. Conduit pipes are normally used to protect _________ cables.

Q. Capacitance grading of cable implies

Q. Cables, generally used beyond 66 kV are

Q. Cables for 220 kV lines are invariably

Q. Cables are used for 132 kV lines.

Q. A certain cable has an insulation of relative permittivity 4. If the insulation is replaced by one of relative permittivity 2, the capacitance of the cable will become

Q. A cable carrying alternating current has

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