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Test: Switchgear & Protection of Power Systems - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test GATE Electrical Engineering (EE) Mock Test Series 2025 - Test: Switchgear & Protection of Power Systems

Test: Switchgear & Protection of Power Systems for Electrical Engineering (EE) 2024 is part of GATE Electrical Engineering (EE) Mock Test Series 2025 preparation. The Test: Switchgear & Protection of Power Systems questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Switchgear & Protection of Power Systems MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Switchgear & Protection of Power Systems below.
Solutions of Test: Switchgear & Protection of Power Systems questions in English are available as part of our GATE Electrical Engineering (EE) Mock Test Series 2025 for Electrical Engineering (EE) & Test: Switchgear & Protection of Power Systems solutions in Hindi for GATE Electrical Engineering (EE) Mock Test Series 2025 course. Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free. Attempt Test: Switchgear & Protection of Power Systems | 10 questions in 30 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study GATE Electrical Engineering (EE) Mock Test Series 2025 for Electrical Engineering (EE) Exam | Download free PDF with solutions
Test: Switchgear & Protection of Power Systems - Question 1

For an arcing fault where the arc resistance is significant an impedance or admittance relay will

Detailed Solution for Test: Switchgear & Protection of Power Systems - Question 1

The reach of a reactance relay is unaffected due to the arc resistance while an impedance and admittance relay under reaches.

Test: Switchgear & Protection of Power Systems - Question 2

Kick fuses are used across relay coils to prevent relay operation during

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Test: Switchgear & Protection of Power Systems - Question 3

There is a problem of high transient over voltages while interrupting

Detailed Solution for Test: Switchgear & Protection of Power Systems - Question 3

High transient over voltages occurs in power system due to formation of capacitance across the breaker poles. These are also called switching over voltages.

Test: Switchgear & Protection of Power Systems - Question 4

 The most suitable circuit breaker for voltages above 220 kV is

Test: Switchgear & Protection of Power Systems - Question 5

Match List-I with List-ll and select the correct answer using the codes given below the lists:
List-I
A. Mho relay
B. Reactance relay
C. Simple impedance relay
List-ll
1. Voltage restrained OC relay
2. Direction restrained OC relay
3. Voltage restrained directional relay 

Test: Switchgear & Protection of Power Systems - Question 6

Pilot relaying schemes are used for protection of

Detailed Solution for Test: Switchgear & Protection of Power Systems - Question 6

Pilot relaying schemes provide high speed protection for transmission lines.

Test: Switchgear & Protection of Power Systems - Question 7

Relays A and B have to be coordinated on two adjacent line sections as shown in figure below. Zone-1 and Zone-2 settings are indicated on the diagram.

Which of the following indicates correct time setting for zone-2 of relays A and B?

Test: Switchgear & Protection of Power Systems - Question 8

 Identify the relays to be provided with directional and non-directional elements in the system shown in figure below.

Test: Switchgear & Protection of Power Systems - Question 9

 If the fault current is 2000 A, the.relay setting 50% and the CT ratio is 400/5, then the plug setting multiplier will be

Detailed Solution for Test: Switchgear & Protection of Power Systems - Question 9

Relay operating current,

Test: Switchgear & Protection of Power Systems - Question 10

The percent bias for a generator protection lies between

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