Course Outline:

a) Mechanism of Air Conditioning

• Components: Compressor, Condenser, Expansion Valve, Evaporator
• Air Distribution Systems: Ductwork, Air Handlers, Vents
• Cooling Load Calculations: Sensible and Latent Heat Loads
• Types of Systems: Centralized, Split, Window, Portable
• Refrigerants: Types and Environmental Impact

b) Mechanism of Refrigerator

• Components: Compressor, Condenser, Expansion Valve, Evaporator
• Refrigeration Cycle: Detailed Analysis of Each Stage
• Types: Single-door, Double-door, Side-by-side, French Door
• Energy Efficiency: Energy Star Ratings, Inverter Technology

c) Mechanism of Water Cooler

• Components: Compressor, Condenser, Expansion Valve, Evaporator, Water Reservoir
• Cooling Process: Heat Exchange Process, Thermoelectric Cooling
• Maintenance: Cleaning, Descaling, Filter Replacement
• Applications: Domestic, Commercial, Industrial

d) Mechanism of Water Chiller

• Components: Compressor, Condenser, Expansion Valve, Evaporator, Chilled Water Pump
• Types: Air-cooled, Water-cooled
• Applications: HVAC Systems, Industrial Processes, Data Centers
• Energy Management: Efficiency Optimization, Load Management

e) Mechanism of Deep Freezer

• Components: Compressor, Condenser, Expansion Valve, Evaporator
• Freezing Cycle: Rapid Cooling Techniques, Cryogenic Freezing
• Types: Upright, Chest, Drawer-type
• Storage and Safety: Temperature Control, Defrosting, Food Safety