Hvac r 410a - Study guides, Class notes & Summaries

HVAC UNIT 3 REVIEW TEST WITH COMPLETE SOLUTIONS Ice melts in ice boxes because a. heat flows through the insulated walls. b. heat flows through the doorway when it is opened. c. heat is moved into the box when warm food is placed in it. d. All of the above. D High-temperature refrigeration is that produced by a. heat from a furnace. b. an air-conditioning system, c. the vegetable cooling system of a refrigerator. d. the freezer section of a refrigerator. B A ton of refrigerat...

EPA Section 608 Core Questions and Answers | Latest Version | 2024/2025 | Already Passed What is the primary purpose of the Clean Air Act provisions related to refrigerants? A) To increase the production of refrigerants B) To promote the use of alternative energy sources C) To minimize the release of ozone-depleting substances D) To reduce emissions of ozone-depleting substances through the regulation of refrigerant handling What is the primary responsibility of a certified tec...

EPA 608 Core Questions and Answers | Latest Version | Graded A+ What are the primary goals of the EPA 608 Core certification? A) To increase refrigerant sales B) To ensure proper handling and recovery of refrigerants and compliance with environmental regulations C) To train technicians in installation techniques D) To promote the use of new HVAC technologies What is the main reason for requiring certification to handle refrigerants? A) To prevent environmental damage by ensu...

HVAC Final Quizlet 1, HVAC Final QuestioEvaporator Coil - ANSWER What component of an air conditioning system absorbs heat into the refrigerant Ventilation - ANSWER What does the V stand for in HVAC? Hot Surface Ignition - ANSWER What type of ignition is utilized by the furnaces in the shop? Air Conditioning - ANSWER What is the term for Refrigeration applied to the space temperature of a building? Electricity, L.P., Natural Gas - ANSWER What are the three fuels used in package heati...

A project team is assessing existing luminaires for Light Pollution Reduction and found some fixtures emit light at a vertical angle more than 90 degrees from straight down. What statement is true regarding the project's ability to earn the credit? - The team must retrofit or replace the noncompliant fixtures to earn the credit An office building has six individual workstations, two private offices, and a conference room. What lighting control configuration would meet the requirements of EQ...

a (Centrifugal) correct answersWhich of the following compressors are considered a dynamic compressor? a. Centrifugal b. Reciprocating d. Rotary c. Scroll b (Superheated vapor / sub cooled liquid) correct answersWhat is the condition of the refrigerant as it enters and leaves the condensing coil of a typical light commercial HVAC system? a. Vapor / liquid b. Superheated vapor / sub cooled liquid c. Saturated vapor / saturated liquid d. Hot gas / cool liquid b (Thermal expansion...

a (Centrifugal) correct answers Which of the following compressors are considered a dynamic compressor? a. Centrifugal b. Reciprocating d. Rotary c. Scroll b (Superheated vapor / sub cooled liquid) correct answers What is the condition of the refrigerant as it enters and leaves the condensing coil of a typical light commercial HVAC system? a. Vapor / liquid b. Superheated vapor / sub cooled liquid c. Saturated vapor / saturated liquid d. Hot gas / cool liquid b (Thermal expansi...

HVAC R-410A Turner Highschool Exam Latest Update...

559 Journeyman Mechanical Exam HVAC Complete Questions and Answers Which Type of air-conditoning system is most likely to leak refrigerant into a structure? Direct, Indirect, Evaporative or Split? - CORRECT ANSWER-Direct : 2015 IMC 1103.3.2 When mechanical equipment is located on a flat roof that is more than 30 inches above grade, how far from the roofs edge must the equipment be located before a guard rail is not needed? less than 6', 9', 4' or more than 10'? - CORRECT ANSWER-Mo...