Cables MCQs | Page - 1

Dear candidates you will find MCQ questions of Cables here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

📊 Cables
Q. Empire tape is
  • (A) varnished cambric
  • (B) vulcanised rubber
  • (C) impregnated paper
  • (D) none of the above
💬 Discuss
✅ Correct Answer: (A) varnished cambric
📊 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
📊 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
📊 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
📊 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
📊 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
📊 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
📊 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
📊 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
📊 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

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