This set of Electrical engineering Multiple Choice Questions & Answers (MCQs) focuses on study of “Electric Cables”. These questions are chosen from a collection of most authoritative and best reference books on Electrical engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Electric Cables Mcqs comprehensively.
Annealed
Hardened and tempered
Hard drawn
Alloy with chromium
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More perfect impregnation
Smaller overall size
No ionisation, oxidation and formation of voids
All of the above
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Presence of moisture
Working temperature
Time of application of the voltage
All of the above
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0.04 mm
0.2 to 0.4 mm
3 to 5 mm
40 to 60 mm
To minimise temperature stresses
To avoid being unearthed easily due to removal of soil
To minimize the effect of shocks and vibrations due to gassing vehicles, etc
For all of the above reasons
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Same at the conductor and the sheath
Minimum at the conductor and maximum at the sheath
Maximum at the conductor and minimum at the sheath
Zero at the conductor as well as on the sheath
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Hysteresis losses only
Hysteresis and leakage losses only
Hysteresis, leakage and copper losses only
Hysteresis, leakage, copper and friction losses
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Use of dielectrics of different permeabilities
Grading according to capacitance of cables per km length
Cables using single dielectric in different concentrations
Capacitance required to be introduced at different lengths to counter the effect of inductance
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Easy maintenance
Low cost
Can be used in congested areas
Can be used in high voltage circuits
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Polyvinyle chloride
Vulcanised rubber
Impregnated paper
Compressed SFe gas
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The increase in length of the insulation
The decrease in the length of the insulation
Either A. or (b)
None of the above
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Sheath
Insulator
Surface of the conductor
Core of the conductor
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