Explore topic-wise MCQs in Power Systems.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Power Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

While given receiving-end voltage for a long transmission line, the sending-end voltage is more than the actual is found out using _____________

A. Nominal-pi method
B. Nominal-T method
C. Load end capacitance method
D. Any of the mentioned
Answer» B. Nominal-T method
Discussion
2.

9.Taking a case study for the long line under no load condition, the receiving end voltage is ____________

A. more than the sending-end voltage
B. less than the sending-end voltage
C. equal to the sending-end voltage
D. it will not be affected by the loading
Answer» B. less than the sending-end voltage
Discussion
3.

When the frequency of the system is increased, the charging MVAR of a system will __________

A. increase
B. decrease
C. remain constant
D. cannot be said
Answer» B. decrease
Discussion
4.

A single phase 50 hz, generator supplies an inductive load of 5 MW at a power factor of 0.8 lagging using OHTL over 20 km. The resistance and reactance are 0.39 and 3.96 . The voltage at receiving station is maintained at 10 KV. The sending end voltage is ______

A. 11.68 kV
B. 7.62 kV
C. 14.4 kV
D. 12.2 kV
Answer» B. 7.62 kV
Discussion