Busbar Protection | Busbar Protection Objective Type Questions and answers

16.  The voltage of a particular bus can be controlled by controlling the

   A. Active power of the bus

   B. Reactive power of the bus

   C. Phase angle

   D. Both A and B

17.  In a power system the maximum number of buses are

   A. Generator buses

   B. Load buses

   C. Slack buses

   D. P-V buses

18.  Load bus is specified by

   A. P and V

   B. P and δ

   C. P and |V|

   D. P and Q

19.  At slacks bus, which one of the following combinations of variables is specified?

   A. |V|, δ

   B. P, Q

   C. P, |V|

   D. Q, |V|

20.  Y_BUS as used in load flow study, and Z_BUS as used for short circuit study are:

   A. The same

   B. Inverse of each other

   C. Are not related to each other

   D. None of the above

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