Under Ground Cables - MCQs with Answers

Under Ground Cables - MCQs with Answers

Q1. Transmission of power by ac cables is impossible beyond

a. 35 – 45 km
b. 500 km
c. 300 km
d. 10 – 15 km

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Q2. What does the bedding on the cable consists of?

a. Jute strands
b. Hessian type.
c. Paper tape compounded with a fibrous material.
d. Any of these.

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Q3. Why are sheaths used in cables?

a. Provide proper insulation.
b. Provide mechanical strength.
c. Prevent ingress of moisture.
d. None of these.

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Q4. Why are conduit pipes employed?

a. To protect unsheathed cables.
b. Armoured cables.
c. PVC sheathed cables.
d. All of these.

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Q5. The thickness of insulation layer provided on the conductor, in cables depend on_______.

a. Operating voltage
b. Current to be carried.
c. Power factor.
d. Both (a) and (b)

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