MGVCL Exam Paper (30-07-2021 Shift 2)
The necessary equation to be solved during the load flow analysis using Fast-Decoupled method is given below:
where B' and B'' are formed using the imaginary part of the bus admittance matrix, Ybus. If the system consists of 6 buses of which one of the bus is slack bus and 2 bues are voltage regulated buses, then then the matrix B' is of order ____and the matrix B'' is of order____, respectivity.
∆P/|Vi| = - B'∆δ
∆Q/|Vi| = - B''∆|V|

3 and 6
5 and 3
6 and 3
3 and 5

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MGVCL Exam Paper (30-07-2021 Shift 2)
Consider the following statements associated with Buchholz's relays.
Statement 1: Buchholz's relay is a current operated device.
Statement 2 : Buchholz's relay is placed between the transformer tank and the conservator.

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
Thermocouples can be connected in series/parallel to obtain greater sensitivity called as

None of these
Thermopile
Thermometer
Thermistor

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