Which one of these is not a monitoring and diagnostic test for transformer oil?

Which one of the following statement with respect to Aerial Bunched Cables (ABC) system is TRUE?

In the circuit of figure, the switch is closed to position-1 for a long time. At t = 0 the switch position is changed from postion-1 to postion-2. Find an expression for the current i(t).

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|

A generating station having 'n' section busbars each rated at Q kVA with ×% reactance is connected on the tie-bars systems through busbar reactances of b%. Determine the short circuit kVA if a 3-phase fault takes place on one section.

Choose the word which expresses nearly the opposite meaning of the given word "WHIMSICAL"

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