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Basic Mechanical Engineering, 2e, 2nd Edition by Pravin Kumar

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CHAPTER 8

Refrigeration and Air Conditioning

Learning Objectives

By the end of this chapter, the student will be able:

  • To understand the basic concepts of refrigeration and air conditioning
  • To describe the different types of refrigeration cycles
  • To demonstrate the structure and working of a household refrigerator
  • To understand the properties of air-vapour mixture
  • To differentiate the working of the window and split air conditioners
8.1 INTRODUCTION

Initially, the main purpose of refrigeration was to conserve foods. The Chinese were the first to find out that ice increased the life and improved the taste of drinks and for centuries Eskimos have conserved food by freezing it. At the beginning of the 19th century, it had been observed that ...

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