Elements and Performance Criteria
- Calculate heat energy with and without phase change
- Enthalpy is applied to heat mixture calculations with or without phase change
- Enthalpy is applied to calculate resultant conditions of hot wells involving multiple returns
- Steam conditions in a system when using throttling devices and separators are calculated
- Entropy is distinguished from enthalpy
- Entropy values are determined from standard tables
- Analyse change of phase and state diagrams
- Apply Dalton’s law of partial pressures to steam condensers
- Apply chemical equations for complete and incomplete combustion
- Atomic and molecular weights and kilogram-mol are explained
- Calorific value of a fuel is calculated by chemical formula
- Mass of air required for stoichiometric combustion is calculated by gravimetric and volumetric analysis
- Air fuel ratio is determined when supplied with composition of fuel and exhaust gas analysis
- Apply gas laws to analyse internal combustion engine efficiencies
- Universal gas constant form AVOGADRO S hypothesis is determined
- Heat transfer is calculated for constant volume and constant pressure processes
- First law of thermodynamics is applied to thermodynamic processes in a closed system
- Second law of thermodynamics is applied to find thermal efficiency of Carnot cycle
- Mathematical formula is applied to solve problems related to ideal constant volume air standard cycle
- Mathematical formula is applied to solve problems related to diesel and dual cycles
- Calculate performance of internal combustion and gas turbine engines
- P/V and out of phase engine indicator diagrams are analysed
- Work, power, mean effective pressure and thermal efficiency of internal combustion engine cycles is calculated
- Heat transfer to jacket cooling systems is calculated
- Open and closed systems for gas turbines are outlined
- Temperature/entropy diagrams are applied to illustrate gas turbine cycles
- Power, isentropic efficiencies, thermal efficiency, work and fuel consumption for gas turbine cycles is calculated
- Methods to increase efficiency of gas turbines are specified
- Reheaters and intercoolers and how they improve efficiency is explained
- Analyse air compressor performance
- Compressor types are classified
- Volumetric efficiency at free air conditions is explained
- Work is calculated for isothermal and adiabatic compression, and effect of clearance for reciprocating compressor
- Pressure ratio for compressor types is analysed
- Problems are solved relating to multi-staging and intercooling
- Heat transfer to air or cooling water from an air compressor is calculated
- Formula to calculate work and efficiency of centrifugal compressors is derived
- Analyse vapour compression refrigeration cycles
- Design parameters for a vapour compression cycle are explained
- Pressure/enthalpy diagram is prepared for a refrigeration cycle
- Heat rejected, work done and coefficient of performance (COP) for a basic cycle is calculated
- Effect of sub cooling and superheating is shown on a temperature/entropy diagram
- COP is calculated with evaporators operating at two different pressures
- Apply psychrometric principles to solve air conditioning problems
- Comfort conditions for air conditioning systems are defined
- Key parameters used in defining air condition are illustrated on a psychrometric chart
- Cooling loads are calculated
- Problems associated with air delivering and distribution methods are analysed
- Methods of controlling noise and vibration in air conditioning systems are analysed
- Analyse different methods of heat transfer
- Heat flow through composite divisions is calculated
- Insulation dimensions and interface temperatures are determined
- Problems relating to radiated energy are solved by applying Stefan-Boltzmann Law
- Problems in heat exchangers are solved by applying log mean temperature difference
- Relative efficiency of contra-flow heat exchange is determined