Type of hvac systems Study guides, Class notes & Summaries

HVAC: EPA 608 Certification Study Guide Questions and Answers 100% Solved Are there drop-in replacements for R-12 systems? Why or why not? ️️No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? ️️Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? ️️Alkylbenzene lubricant What is difference b/w ternary blend a azeotropi...

November 14, 1994 - What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. - 1987- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo compressor, or 4 in Hg After this date recovery equipment needs to be capable of ...

CSST Study Flashcards (Questions + Answers) Solved 100% Correct!! Once Asbestos has made it's way to the landfill, how is it properly disposed of? Must be disposed of in sealed bags or drums and covered in 6 inches of dirt within 24 hours. How many samples are required for a space 1000 square feet - 5000 square feet? 5 samples Does the EPA recommend all ACBM to be identified? Yes, (Meanwhile AHERA only requires friable materials to be assessed) How many types of air HVAC syst...

WELL AP Exam Questions What are the 7 Concepts in the WELL Standard? - Air, Water, Mind, Nourishment, Comfort, Light, and Fitness What are the 3 Project Types? - - New and Existing Buildings - New and Existing Interiors - Core and Shell What does the New and Existing Buildings type address? - It addresses the full scope of building design and construction, as well as operations. It can only be applied to buildings with a minimum of 90% of total sf occupied by owner. What does ...

Annex D Exam Review Questions with Complete Solutions There are 3 models of administrating Exchange - centralized, decentralized, and mixed. Which model does the Marine Corps utilize? Mixed Administration What are the core components of an Exchange Server? System Attendant Information Store Routing Engine What is the official messaging system consisting of government and commercial-of-the-shelf (COTS) software and hardware used to prepare, submit, transport, deliver, store and retrieve...

HVAC: EPA 608 Certification Study Guide Exam Questions And Answers Are there drop-in replacements for R-12 systems? Why or why not? - ANS No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? - ANS Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - ANS Alkylbenzene lubricant What is the difference b/w ternary blend a az...

November 14, 1994 - What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. - 1987- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo compressor, or 4 in Hg After this date recovery equipment needs to be capable of ...

HVAC: EPA 608 Certification Study Guide with 100% Complete Solutions Are there drop-in replacements for R-12 systems? Why or why not? - Correct Answer ️️ -No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? - Correct Answer ️️ - Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - Correct Answer ️️ -Alkylbenzene lubric...

HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+) What type of lubricant is used with HCFCs? CORRECT ANSWERAlkylbenzene lubricant What is difference b/w ternary blend a azeotropic blend? CORRECT ANSWERTernary blends are threepart mixtures whereas azeotropic blends are blends of two or more compounds that act like a single compound. What is the trait of a hygroscopic lubricant? CORRECT ANSWERIt absorbs (takes on) moisture What is temperature glide and...

FDNY Fire Life & Safety Director Test 2 with Complete Solutions A Fire Life Safety Director should be familiar with which of the following EXCEPT? How to manually programmed the HVAC system via the BMS (Building Management System). When a Fire Life Safety Director is conducting fire drills for the occupants, they should be instructed to always notify ______ first in the event of a fire condition. 911 The fire triangle identifies the three needed components of fires as which of the fo...