MGVCL Exam Paper (30-07-2021 Shift 3)
In transformer testing, Sweep Frequency Response Analysis (SFRA) testing is a tool to help locate ____

Short circuits
Core movement
All of these
Winding damage

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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.

200 m
100 m
300 m
400 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.

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

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