This website provide many test system for you for free.You can register a account then make a test.here are some thing you can find from this site
Mechanical and Thermodynamic Systems
 1. Systems, Interactions, Properties
 2. Gov. Equations, Steady Closed Systems and Cycles
 3. Material Models - Evaluation of States and Properties
 4. Open Steady Systems
 5. Unsteady Systems
 6. Exergy Analysis
 7. Closed Power Cycles (Reciprocating IC Engines).
 8. Open Gas Power Cycles (Gas Turbines)
 9. Open Vapor Power Cycles (Steam Power Plants)
 10. Refrigeration Cycles
 11. States - Advanced Topic
 12. Psychrometry (HVAC)
 13. Combustion
 14. Equilibrium (Phase and Chemical)
 15. Gas Dynamics

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