1. Simulink is an environment for:
(A) Text-based programming only
(B) Graphical modeling and simulation
(C) Spreadsheet computations
(D) Word processing
2. In Simulink, a “block” represents:
(A) A system component or mathematical operation
(B) A file
(C) A variable only
(D) A plot
3. Lines connecting blocks in Simulink represent:
(A) Data flow or signal transmission
(B) Equations
(C) MATLAB code
(D) Random numbers
4. To simulate a system, you use the:
(A) Run button
(B) Save button
(C) Edit button
(D) Open button
5. MATLAB Function block in Simulink is used for:
(A) Executing MATLAB code within Simulink
(B) Displaying plots only
(C) Generating constants
(D) Logging data only
6. Constant blocks provide:
(A) Fixed values
(B) Time-varying signals
(C) Random numbers
(D) Integrated signals
7. Step blocks in Simulink provide:
(A) Signals that change at a specified time
(B) Constant signals
(C) Ramp signals
(D) Random signals
8. Scope blocks are used to:
(A) Display simulation signals
(B) Multiply signals
(C) Integrate signals
(D) Generate signals
9. Gain blocks are used to:
(A) Multiply an input signal by a constant
(B) Integrate signals
(C) Add signals
(D) Generate constants
10. Sum blocks perform:
(A) Addition or subtraction of signals
(B) Multiplication of signals
(C) Integration only
(D) Random signal generation
11. Integrator blocks are used to:
(A) Integrate an input signal
(B) Differentiate an input signal
(C) Generate constants
(D) Multiply signals
12. Mux blocks are used to:
(A) Combine multiple signals into one
(B) Split one signal into multiple signals
(C) Multiply signals
(D) Add constants
13. Demux blocks are used to:
(A) Split one signal into multiple signals
(B) Combine signals
(C) Integrate signals
(D) Generate constants
14. A subsystem in Simulink is:
(A) A collection of blocks grouped together
(B) A single block
(C) MATLAB script
(D) A scope only
15. To log simulation data for analysis, you use:
(A) To Workspace block
(B) Constant block
(C) Gain block
(D) Scope block only
16. From Workspace block is used to:
(A) Import MATLAB workspace data into Simulink
(B) Display plots
(C) Generate random signals
(D) Integrate signals
17. Fixed-step solvers are used for:
(A) Discrete-time simulations
(B) Continuous-time simulations only
(C) Variable-step simulations
(D) Symbolic analysis
18. Variable-step solvers are preferred for:
(A) Continuous-time systems with varying dynamics
(B) Discrete systems
(C) Constant signals
(D) Static systems
19. Algebraic loops occur when:
(A) Output depends directly on input within the same time step
(B) Signals are constant
(C) Only integrators are used
(D) Gain blocks are used
20. To resolve algebraic loops, you can:
(A) Introduce delays
(B) Reorganize the system
(C) Adjust solver settings
(D) All of the above
21. Simulink supports:
(A) Continuous, discrete, and hybrid systems
(B) Only continuous systems
(C) Only discrete systems
(D) Only static systems
22. Simulation stop time is set in:
(A) Model configuration parameters
(B) MATLAB workspace
(C) Scope block
(D) Constant block
23. Signal routing can be done using:
(A) Lines
(B) Buses
(C) Both A and B
(D) Only blocks
24. Simulink is widely used in EE for:
(A) Power system simulation
(B) Control system design
(C) Signal processing
(D) All of the above
25. Solver selection affects:
(A) Accuracy of simulation
(B) Computational time
(C) Stability
(D) All of the above
26. A real-time simulation requires:
(A) Fixed-step solver
(B) Variable-step solver
(C) Scope block only
(D) MATLAB script only
27. To simulate event-driven systems, you use:
(A) Triggered subsystems
(B) Constant blocks
(C) Gain blocks
(D) Step blocks
28. The main advantage of Simulink over MATLAB scripts is:
(A) Graphical modeling of dynamic systems
(B) Faster computation only
(C) Better plotting
(D) Only for discrete systems
29. Solver step size can be:
(A) Fixed or variable
(B) Always fixed
(C) Always variable
(D) None
30. Simulink allows co-simulation with:
(A) MATLAB
(B) External tools like Simscape
(C) Hardware-in-the-loop systems
(D) All of the above