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.

FOR_THE_SINGLE_PHASE_2-WIRE_SYSTEM,_THE_MAXIMUM_VOLTAGE_BETWEEN_THE_OUTER_WIRES_AND_EARTH_IS_______________?$

A. V/‚àö2
B. ‚àö2V
C. V
D. 2V
Answer» B. ‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇ2V
Discussion
2.

For_the_given_distribution_system_the_maximum_voltage_at_the_midpoint_will_be_________$

A. 155.6 V
B. 311.12 V
C. 622 V
D. 220 V
Answer» B. 311.12 V
Discussion
3.

A DC 2-wire system with mid-point earthed having cross-sectional area of each conductor be ‘a’ and resistance ‘R1’. If this is replaced by monopolar system, then saving of copper will be _____?#

A. ¬Ω
B. b¼
C. 2
D. 4
Answer» B. b¬¨¬®¬¨‚à´
Discussion
4.

While designing the distribution sub stations by the designer, it is required to use the _______ for the discrete power tapping.

A. distributor
B. power transformer
C. distribution transformer
D. feeder
Answer» B. power transformer
Discussion
5.

A DC 2-wire system with mid-point earthed having cross-sectional area of each conductor be ‘a’ and resistance ‘R1’. If the DC tow wire replaces the system, then the ratio of volume of each conductor V1/V2 will be ___________$

A. ¼
B. ¬Ω
C. 4
D. 2
Answer» B. ¬¨¬®≈í¬©
Discussion
6.

A _________ distribution system is more reliable than the ______ distribution system.

A. parallel, radial
B. parallel, ring
C. radial, parallel
D. ring, parallel
Answer» B. parallel, ring
Discussion
7.

While designing the distribution to locality of one lac population with medium dense load requirement, we can employ ___________

A. radial system
B. parallel system
C. ring main system
D. any of the mentioned
Answer» B. parallel system
Discussion
8.

A transmission and distribution engineer needed to design the sub transmission substation. The tapping component needed will be _______________

A. feeder
B. distributor
C. transmitter
D. tap-changing transformer
Answer» B. distributor
Discussion