Testing and Commissioning of Electrical Equipments (2180901) MCQs
MCQs of Transmission line
| 41. |
Pin type insulator is used up to _________ because beyond that it becomes bulky and uneconomical.
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Answer:
Option (c) |
| 42. |
Hewiett, Cemented cap and Core & Link are the type of __________ insulator.
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Answer:
Option (b) |
| 43. |
_______________ Insulator is used when there is a Long Span or dead-end or sharp corner in transmission line
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Answer:
Option (b) |
| 44. |
Which of the following insulator is not connected with the live conductor?
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Answer:
Option (d) |
| 45. |
Cracking, Porosity, Flash Over and Improper Glaze are the _________________
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Answer:
Option (a) |
| 46. |
__________ is the resistance offered by the metal parts of the tower + the ground resistance.
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Answer:
Option (c) |
| 47. |
Which of the following will occur if the value of Tower footing resistance (Rt) is too high?
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Answer:
Option (b) |
| 48. |
For reducing tower footing resistance it is better to use
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Answer:
Option (c) |
| 49. |
___________ consists of four lengths of galvanized steel stranded wires, each. fitted with a lug for connection to the tower leg at one end.
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Answer:
Option (b) |
| 50. |
To protect the transmission line from lightning stroke and avoiding Back Flashover, Tower footing resistance (Rt) should not be more than _________ ohm in HV line and ________ ohm in EHV line.
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Answer:
Option (b) |
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