Advanced Mechanical Engineering Questions with Answers 2

Looking for a freelancer to provide 30 advanced Mechanical Engineering problems and solutions. All problems should require advanced concepts but each problem must be able to be solved within 10 minutes. The freelancer must provide: 1 - The question 2 - 4 possible answers 3 - Specify which answer is correct 4 - A detailed solution The categories are as follows: MECHANICAL SYSTEMS AND MATERIALS [8 problems total] - Statics & Dynamics [2 problems] - Corrosion, fatigue theory [1 problem] - Structural Beams (bending, deflection, etc...) [3 problems] - Springs / Gears / Pressure vessels [2 problems] HYDRAULICS AND FLUIDS: [8 problems total] - Compressible Flow [2 problems] - Incompressible Flow [2 problems] - Piping systems (valves, flow coefficients, etc...) [2 problems] - Hydraulic and fluid machinery/equipment [2 problems] ENERGY/POWER SYSTEMS [7 problems total] - Heat Exchangers, Turbines, Boilers, engines (2 problems) - Heat Transfer (3 problems) - Thermodynamic Cycles (energy balance, mass balance, combustion) (2 problems) HVAC/REFRIGERATION [7 problems total] - Psychrometrics [1 problem] (*do not make this a simple problem to check the charts*) - Heating/Cooling loads [2 problems] - Refrigeration Cycles [2 problems] - HVAC Components (compressors, coils, heat-exchangers, etc..) [2 problems] Due November 4th, 2013