Electrical Engg (EEE) - MCQ Practice Questions

The per unit system in power system analysis is based on:

Which of the following represents the power factor in a three-phase AC circuit?

In the Indian power system (2024-25), what is the nominal frequency?

What is the primary role of a circuit breaker in a power system?

What is the primary purpose of shunt capacitors in power systems?

Which type of fault in power system requires the fastest clearance to maintain stability?

In Indian grid operation, what is the nominal frequency specification?

In a 132 kV system, if the ground fault setting is 200 A, what is the corresponding relay pickup in percentage of line CT primary rating (2000 A)?

Which of the following correctly represents the relationship in per-unit system for power?

What is the primary reason for maintaining spinning reserve in power systems?

In Indian power systems, what is the standard voltage level for inter-state transmission?

What is the purpose of a surge arrestor in a power system?

Which of the following is NOT a function of a circuit breaker in power systems?

Which Indian renewable energy initiative aims at 500 GW by 2030?

In the Indian grid code, what is the specified frequency band for normal operation?

Which of the following is NOT a component of the Indian National Load Despatch Centre (NLDC)?

In load flow analysis, if a bus is specified with PV (constant voltage and active power), what variable is calculated?

Which type of power system stability is primarily concerned with the system's ability to maintain synchronism after a small disturbance?

In the Indian grid, renewable energy penetration targets for 2024-2025 (non-hydro) approximately target what percentage of total generation capacity?

Which of the following voltage levels is NOT part of the Indian transmission network classification?