MCQ on Cables – 2

« Back         CONTENTS          Next »

  1. If the length of a cable is increased, its capacitance
(a) decreases.
(b) increases.
(c) remain same.
(d) none of the above.

 2. Low voltage cables are generally use up to
(a) 1.1kV.
(b) 3.3kV.
(c) 6.6kV.
(d) 11kV.

 3. Insulated conductor is called as
(a) wire
(b) conductor.
(c) pipe.
(d) cable.

 4. EHT cable are the types of
(a) Oil filled.
(b) Gas filled.
(c) Both of above.
(d) Air filled.

 5. The cables mainly used in hill / mines are
(a) MIND.
(b) XLPE.
(c) FRLS.
(d) LSOH.

 6. The operating voltage of high voltage cables is up to
(a) 11kV.
(b) 22kV.
(c) 33kV.
(d) 66kV.

 7. The operating voltage of supertension cables is up to
(a) 11 kV.
(b) 22 kV.
(c) 33 kV.
(d) 66 kV.

 8. The operating voltage of extra high tension cables is upto
(a) 11 kV.
(b) 33 kV.
(c) 66 kV.
(d) 132 kV.

 9. The charging current drawn by the cable
(a) leads the voltage by 120°.
(b) lags the voltage by 90°.
(c) lags the voltage by 120°.
(d) leads the voltage by 90°.

 10. As the length of cable decreases, insulation resistance will
(a) increases.
(b) decreases.
(c) remains unchanged.
(d) none of above.

 11. Insulation resistance of a cable is 1. directly proportional to its (a) length.
(b) inversely proportional to its length.
(c) remain constant.
(d) none of above.

 12. The bridge used for measurement of insulation cables
(a) Wien’s.
(b) Maxwell’s.
(c) Schering’s.
(d) Kelvin’s.

 13. Localization of cable faults done by
(a) short circuit tests.
(b) murray loop tests.
(c) varley loop tests.
(d) murray and varley loop test.

 14. The disadvantage with paper as insulating material is
(a) it is hygroscopic.
(b) it has high capacitance.
(c) it is an organic material.
(d) none of the above.

« BACK                                        NEXT »

Leave a Reply

Your email address will not be published. Required fields are marked *