RETA Industrial Refrigeration Book 2 (2013 Revision) Updated Version 2024

RETA Industrial Refrigeration Book 2 (2013 Revision) Updated Version 2024 Which of the following factors listed below does not affect heat transfer? (pg. 1-2) A) Temperature Difference B) Surface Area C) Thermal Conductivity D) Density D) Density An example of a poor conductor of heat is? (pg. 1-3) A) Aluminum Tubing B) Schedule 40 Steel Pipe C) Wood D) Water C) Wood Thermal conductivity ('K') is? (pg. 1-3) A) Exactly the same for any metal B) The number of BTU's that will pass in 1 hour through a material 1" thick with an area of 1 sq. ft. if the temperature difference from one side to the other is 1°F C) A measure of the total energy (heat content) per pound of refrigerant measured in BTU's D) A relationship between heat and temperature that is useful in determining discharge temperatures. It is heat moved into or out of the process, divided by the absolute temperature in BTU's/pound/R