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Power System Simulation Tools (ETAP, PSCAD) – MCQs – EE

1. ETAP is primarily used for:

(A) Electrical power system modeling, analysis, and simulation


(B) Mechanical system design


(C) MATLAB programming only


(D) Database management



2. PSCAD is mainly used for:

(A) Transient and electromagnetic simulation of power systems


(B) Step response analysis


(C) MATLAB scripting


(D) Thermal analysis



3. One major advantage of ETAP is:

(A) Comprehensive analysis tools including load flow, short-circuit, and protective device coordination


(B) Only matrix operations


(C) Only graphical plotting


(D) Word processing



4. Load flow analysis in ETAP helps to:

(A) Determine voltages, currents, and power flows in a network


(B) Design mechanical systems


(C) Compute FFT


(D) Plot histograms



5. Short-circuit analysis in ETAP is used to:

(A) Calculate fault currents


(B) Solve differential equations


(C) Perform matrix operations


(D) Filter signals



6. ETAP protective device coordination helps to:

(A) Ensure proper operation of protective relays


(B) Plot Bode plots


(C) Compute eigenvalues


(D) Solve algebraic loops



7. PSCAD uses:

(A) Time-domain simulations for electromagnetic transients


(B) Frequency-domain plots only


(C) Static analysis only


(D) Step response only



8. In PSCAD, power system components are represented as:

(A) Graphical modules or blocks


(B) Text files only


(C) Scripts only


(D) Tables only



9. ETAP can perform which type of analysis?

(A) Load flow, short-circuit, arc flash, harmonic analysis


(B) Only load flow


(C) Only plotting


(D) Only FFT



10. In PSCAD, switching transients are simulated using:

(A) Detailed time-step integration


(B) Step response only


(C) Matrix multiplication


(D) Histogram analysis



11. ETAP single-line diagrams are used to:

(A) Represent power system networks graphically


(B) Plot 3D surfaces


(C) Perform FFT


(D) Design mechanical parts



12. In ETAP, one-line diagrams simplify:

(A) Complex three-phase systems into single-line representations


(B) Matrix operations only


(C) Plotting


(D) Thermal analysis



13. PSCAD is suitable for:

(A) Transient stability, fault analysis, and control studies


(B) Only load flow analysis


(C) Database management


(D) Word processing



14. ETAP can model:

(A) AC, DC, and hybrid power systems


(B) Mechanical systems only


(C) Thermal systems only


(D) Software scripts only



15. In PSCAD, the simulation step size affects:

(A) Accuracy and computational time


(B) Only voltage magnitude


(C) Only current magnitude


(D) Only plotting style



16. Harmonic analysis in ETAP is used to:

(A) Study effects of nonlinear loads on power quality


(B) Step response only


(C) Compute matrix determinant


(D) Solve algebraic equations



17. ETAP Arc Flash module is used to:

(A) Evaluate incident energy and protective equipment requirements


(B) Plot FFT


(C) Step response analysis


(D) RMS calculation only



18. PSCAD allows modeling of:

(A) Power electronics and renewable energy systems


(B) Only mechanical systems


(C) Only DC motors


(D) Word processing



19. ETAP database stores:

(A) Network data, device parameters, and simulation results


(B) Only MATLAB scripts


(C) Only plots


(D) Only text files



20. PSCAD time-domain results include:

(A) Voltage, current, and power waveforms


(B) Only plots


(C) Only numerical tables


(D) Only text



21. ETAP short-circuit calculations follow standards like:

(A) IEEE, IEC


(B) MATLAB


(C) Simulink only


(D) None



22. PSCAD is particularly useful for studying:

(A) Switching transients, lightning, and fault conditions


(B) Only load flow


(C) Only RMS values


(D) Static plots



23. ETAP optimal power flow (OPF) analysis helps to:

(A) Minimize generation cost while satisfying constraints


(B) Plot signals


(C) Compute FFT


(D) Design mechanical parts



24. PSCAD allows co-simulation with:

(A) MATLAB/Simulink


(B) Only Excel


(C) Only ETAP


(D) Word processors



25. Protective relay settings in ETAP help to:

(A) Prevent damage to equipment during faults


(B) Only plot signals


(C) Compute FFT


(D) Step response analysis only



26. PSCAD simulation results can be:

(A) Exported for further analysis in MATLAB


(B) Only viewed in PSCAD


(C) Printed only


(D) Not analyzed



27. ETAP load flow can use which methods?

(A) Gauss-Seidel, Newton-Raphson, Fast Decoupled


(B) Only Runge-Kutta


(C) Only trapezoidal


(D) Only Euler method



28. PSCAD allows modeling of:

(A) Electrical machines, transmission lines, and power electronics


(B) Only mechanical components


(C) Only thermal systems


(D) Only MATLAB scripts



29. In ETAP, contingency analysis is used to:

(A) Evaluate system behavior under fault or outage conditions


(B) Plot signals


(C) Compute FFT only


(D) Solve linear equations



30. The main advantage of using ETAP and PSCAD is:

(A) Safe, accurate, and efficient simulation of complex power systems


(B) Only plotting graphs


(C) Only matrix computations


(D) Only text editing



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