MGVCL Exam Paper (30-07-2021 Shift 3)
Murray loop test is performed on a faulty cable 300 m long. At balance, the resistance connected to the faulty core was set at 20 Ω and the resistance of the resistor connected to the sound core was 40 Ω. Calculate the distance of the fault point from the test end.

400 m
200 m
300 m
100 m

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MGVCL Exam Paper (30-07-2021 Shift 3)
Which of the following statements are correct?
(i) Advanced metering infrastructure (AMI) is typically more automated and allows real- time, on-demand interrogations with metering endpoints.
(ii) An Automated Meter Reading (AMR) device only communicates from the customer to the energy supplier.
(iii) AMR meters only provide kWh information and possible peak kW demand for the month.

(i) and (iii) only
(ii) and (iii) only
(i) and (ii) only
(i), (ii) and (iii)

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MGVCL Exam Paper (30-07-2021 Shift 3)
Which among these components connects to physical equipments of the distribution system?

Central control room with host computers
Remote Terminal Unit
None of these
Communication infrastructure

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MGVCL Exam Paper (30-07-2021 Shift 3)
In transformers,
Statement 1: Deterioration of oil may occur due to the result of prolonged overloading of the transformer.
Statement 2: Dielectric faults occur in the winding due to turn-to-turn insulation breakdown.

Both Statement 1 and Statement 2 are TRUE
Statement 1 is FALSE and Statement 2 is TRUE
Statement 1 is TRUE and Statement 2 is FALSE
Both Statement 1 and Statement 2 are FALSE

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