Welding Techniques

  • Basic Principle of Welding
  • Electric Arc Welding
  • Gas Welding
  • Oxy-Acetylene Gas Welding
  • Filler Rod
  • Joint Strength 
  • Oxy-Acetylene Cutting
  • Soldering
  • Brazing
  • Differences between Soldering and Brazing
  • Gases Used in Soldering and Brazing
  • Uses of Welding
  • Advantages of Welding
  • Disadvantages of Welding
  • Safety Precautions for Arc Welding
  • Safety Precautions for Oxy-Acetylene Welding and Cutting
  • Safety Precautions for Gas Cutting
  • Basic Refrigeration
  • Principle of Refrigeration
  • Units of Refrigeration
  • Instruments Used in Refrigeration
  • Types of Refrigeration
  • Science Related to Refrigeration
  • Work
  • Power
  • Mechanical Efficiency
  • Energy
  • Pressure
  • Heat
  • Temperature
  • Differences between Temperature and Heat
  • Thermodynamics
  • Superheating
  • Subcooling
  • Saturation Temperature

Refrigeration & Air Conditioning Theory Books

Mechanic Refrigeration Air Conditioning Theory I, II Year

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