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IFE Level 3 Certificate in Fire Science, Operations, Fire Safety and Management Unit 1: Fire Engineering Science 3. Heat and Temperature Assessment Criteria Knowledge, Understanding and Skills IFE Level 3 Certificate in Fire Science, Operations, Fire Safety and Management Unit 1: Fire Engineering Science 3. Heat and TemperatureAssessment Criteria Knowledge, Understanding and Skills3.4 Define and explain the terms used in the context of heat transfer • Specific heat • Change of state • Latent heat • Latent heat of vaporisation • The effect of change of pressure on the boiling point and latent heat • Latent heat of fusion • Cooling by evaporation 3.5 Describe and explain processes of heat transmission • Conduction • Convection • Radiation 3.6 Describe and explain the principles of thermal expansion • Solids o The coefficient of linear expansion o Nickel-iron alloy (Invar) o Expansion in metal structures o Thermostats o The coefficient of superficial and cubical expansion of solids • Liquids o Cubical expansion o The effect of expansion on density • Gases (Liquefaction) o Critical temperature and pressure o Liquefied gases in cylinders • Sublimation 3.7 Define the Gas Laws and undertake calculations involving them • Boyle’s Law • Charles’s Law • Law of Pressures • The General Gas Law

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