Explore topic-wise MCQs in Power Systems.

This section includes 8 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.

In single phase transmission lines resistance and inductance are considered only up to neutral.

A. True
B. False
Answer» C.
Discussion
2.

Which of the following is like equivalent circuit of short transmission line?

A. Series RLC circuit
B. Parallel RLC circuit
C. Series RL circuit
D. Parallel RL circuit
Answer» D. Parallel RL circuit
Discussion
3.

Voltage regulation of a transmission line should be ________

A. Minimum
B. Maximum
C. Greater than 50 %
D. Less than 50 %
Answer» B. Maximum
Discussion
4.

A single phase transmission line is transmitting 1,100 KW power at 11 KV and at unity power fector. If it has a total resistance of 5 , what is the efficiency of the transmission line?

A. 80 %
B. 89.65 %
C. 97.24 %
D. 99.54 %
Answer» D. 99.54 %
Discussion
5.

What is the percentage voltage regulation of short transmission line if its sending end and reciving end voltages are 160 KV and 132 KV respectively?

A. 30 %
B. 21.21 %
C. 12.12 %
D. 38.22 %
Answer» C. 12.12 %
Discussion
6.

Regulation of short transmission lines depends:

A. Only on line resistance
B. Only on line inductance
C. Only on line capacitance
D. On line inductance and line resistance
Answer» E.
Discussion
7.

What is the value of Inductive reactance in short transmission lines?

A. More at reciving end
B. More at sending end
C. Uniformly distributed over entire length
D. More in middle of sending end and reciving end
Answer» D. More in middle of sending end and reciving end
Discussion
8.

What is the value of charging current in short transmission lines?

A. Less than medium transmission lines
B. Equal to medium transmission lines
C. More than medium transmission lines
D. More than long transmission lines
Answer» D. More than long transmission lines
Discussion