TUTORIAL 1 - ADVANCED STEAM CYCLES Revision of Entropy and Isentropic Processes Back Pressure Turbines Pass Out Turbines Regenerative Feed-Heating Re-Heating

Types of compressors Atmospheric Air TUTORIAL 2 - GAS COMPRESSORS Free Air Delivery Compressor Layout Theoretical Cycle - Reciprocating Compressor Isothermal Efficiency Volumetric Efficiency Indicated Power Multiple Stage Compression Cooling Systems Polytropic Efficiency

TUTORIAL 3 - GAS TURBINE POWER CYCLES Revision of Compression and Expansion Processes. Basic (Joule) Cycle The Effect of Friction on the Cycle Variants of the Basic Cycle Free Turbines in Parallel and in Series Intercoolers and Re-heaters Exhaust Gas heat Exchangers

TUTORIAL 4 - PISTON ENGINES Engine Testing. Fuel Power, Indicated Power and Brake Power Engine Efficiencies Otto Cycle Dual Combustion Cycle Diesel Cycle

TUTORIAL 5 - HEAT PUMPS AND REFRIGERATION Types and Properties of Refrigerants Basic vapour Compression Cycle Coefficient of Performance Advanced Systems Compressor Theory Absorbtion Cycles

TUTORIAL 6 - AIR AND VAPOUR MIXTURES Partial Pressures Relative and Absolute Humidity Applications to Air Conditioning Applications to Cooling Towers Applications to Steam Condensers

TUTORIAL 7 - COMPRESSIBLE FLOW Entropy Changes Isentropic Flow Stagnation Conditions Pitot Static Tube Venturis and Nozzles Choked Flow Isentropic Efficiency Convergent - Divergent Nozzles

TUTORIAL 8 - COMBUSTION OF FUELS Combustion Equations Solid. Liquid and Gaseous Fuels Combustion by Mass Combustion by Volume Products of Combustion Excess Air Relationship betwen Air and Products Produced Energy released by Reaction of Combustion Dissociation

WORKED SOLUTIONS TO ALL SELF ASSESSMENT EXERCISES

SOLUTIONS TO TUTORIALS SOLUTIONS FOR TUTORIAL 1 SOLUTIONS FOR TUTORIAL 2 SOLUTIONS FOR TUTORIAL 3 SOLUTIONS FOR TUTORIAL 4 SOLUTIONS FOR TUTORIAL 5 SOLUTIONS FOR TUTORIAL 6 SOLUTIONS FOR TUTORIAL 7 PART 1 SOLUTIONS FOR TUTORIAL 7 PART 2 SOLUTIONS FOR TUTORIAL 8

PAST EC EXAM PAPER SOLUTIONS

Questions and solutions are free to download just click on question

2004

Q1  Q2  Q3  Q4  Q5  Q6  Q7  Q8  Q9 

2003

Q1  Q2  Q3  Q4  Q5   Q7  Q8 

2002

Q1  Q2   Q4  Q8  

2001

Q1  Q4  Q5  Q6  Q7

2000

Q1  Q2  Q4  Q6  Q8  Q9 

  ANALYSIS OF PAST PAPER QUESTIONS D201