Reta caro chapter - Study guides, Class notes & Summaries

RETA CARO Chapter 2 Exam With Complete Solutions Four required components of a mechanical refrigeration system Expansion device, evaporator, compressor, condenser Purpose of the Expansion Device 1) To separate the high pressure side of the system and the low pressure side of the system 2) Responsible for metering the proper amount of liquid into the evaporator Flash Gas The vapor that results from the expansion process (no practical cooling is done by this item) Purpose of Ev...

RETA Chapter 1 Study Questions / RETA CARO / RETACARO EXAM The primary purpose of a refrigeration system is A. To freeze food B. To cool buildings C. To preserve food D. To maintain a temperature - ANSWER-D. To maintain a temperature Operators must keep refrigeration systems operating safely and efficiently. Which of the following best describes the required knowledge for this to be possible? - ANSWER-A. Basic physical principles, interprtaetion of information from temperature and pressure...

RETA CARO - Chapter 7 / RETA -CHAPTER 7 EXAM Lubricating Oil Function - ANSWER-Provide a film of oil between moving parts which reduces wear and friction Viscosity - ANSWER-Measure of the pour or flow characteristics of a liquid Standard Viscosity for Refrigeration Compressor oil - ANSWER-68 Viscosity plus/minus 10 percent Pour Point - ANSWER-Temperature at which oil starts to flow Oxidation - ANSWER-Oil molecule shears or breaks apart, oxygen attaches itself to exposed atoms causing oil to...

RETA CARO Chapter 10 EXAM with verified answers( rated A).docx

RETA CARO Chapter 10 EXAM with verified answers( rated A).docx

RETA CARO Chapter 1 Exam Questions With Verified Solutions...

RETA CARO Chapter 1 exam 2023

Purpose of a Refrigeration System - Achieve or maintain proper temperatures in a refrigeration process used for cooling/freezing applications Ton of Refrigeration - Rate BTUs transfer per unit time 288,000 BTUs/24 Hours 12,000 BTUs/12 Hours 200 BTUs/1 Minute rate of refrigeration or cooling Pressure - Force per unit area. PSIA - Absolute pressure; measures pressure from zero pressure PSIG - Gauge pressure, uses atmospheric pressure as the zero point (14.7psia); 0PSIG = 14.7PSIA Tempera...

RETA CARO Chapter 2 Exam With Complete Solutions...

Industrial Refrigeration Quiz 1 – RETA CARO QUIZ 1 As defined in chapter 1 of this text the primary purpose of refrigeration system is - ANSWER-To maintain a temperature Operators must keep refrigeration systems operating safely and efficiently. Which of the following best describes the areas of required knowledge for this to be possible. - ANSWER-Basic physical principles, Interpreparation of information from temperature and pressure gauges. Basic operating principles.