Hvac systems exam - Study guides, Class notes & Summaries

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...

HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED) Are there drop-in replacements for R-12 systems? Why or why not? CORRECT ANSWERNo 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 ANSWEREster based oils and they do not mix with other oils What type of lubricant is used with HCFCs? CORRECT ANSWERAlkylbenzene lubricant What is diffe...

HVAC FINAL Exam Questions With Verified Solutions. Which of the following would have the greatest effect on the heat content of the refrigerant? A) The refrigerant's humidity B) The refrigerant's state C) The refrigerant's temperature D) The refrigerant's pressure - answerCorrect Answer B) The refrigerant's state A mechanical refrigeration system cools a room by: - answerRemoving heat from the room. The four types of cooling mechanisms are: - answerEvaporative, Thermoelectric, Ab...

NCIDQ IDPX Prep Exam Questions and answers/ Why does the HVAC system need to be balanced at the end of a commercial project? A. To verify that air quality levels are within the design specifications B. To detect significant air leaks in ductwork C. To adjust air flow at each device location to meet the criteria in the engineer's design D. To determine that each office is receiving the amount of outside air required by the design - The correct answer is C. Balancing the HVAC sy...

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 Final Exam Questions and Answers 100% Pass What is an HVAC System? - Correct Answer ️️ -all the items needed to maintain thermal comfort within a space or group of spaces What are the four components of an HVAC system? - Correct Answer ️️ -Fans Pumps Compressor Evaporator What is a PTAC? - Correct Answer ️️ -Packaged Terminal Air Conditioner What is a PTHP? - Correct Answer ️️ -Packaged Terminal Heat Pump List the heat transfer equipment (3) - Correct Answer ️️...

NCIDQ IDPX Prep Exam Questions and answers/ Why does the HVAC system need to be balanced at the end of a commercial project? A. To verify that air quality levels are within the design specifications B. To detect significant air leaks in ductwork C. To adjust air flow at each device location to meet the criteria in the engineer's design D. To determine that each office is receiving the amount of outside air required by the design - The correct answer is C. Balancing the HVAC sy...

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 ...

KY HVAC JOURNEYMAN EXAM QUESTIONS WITH COMPLETE VERIFIED SOLUTIONS GRADED A+ Liquid adhesive coatings used on air filters for air conditioning or heating systems shall have a flash point not lower than _______ : a: 200°F b: 250°F c: 350°F d: 325°F d: 325°F Refer: IMC Code 605.1 Connectors shall connect to a chimney flue at a point not less than ______ above the lowest portion of the interior of the chimney flue: a: 10 inches b: 12 inches c: 16 inches d: 14 inches b: 12 inches ...

LEED Green Associate Exam Questions with Correct Answers 2024/2025 Latest Update Graded A+ What is the EPAct of 1992 The Energy Policy Act of 1992 covers many products and services related to energy. It also sets standards for toilets and other water fixtures in both commercial and residential models. CIR s can be used for what purpose(s) are use to ask one clear and concise question for technical and administrative guidance on MPRs, Prerequisites, or Credits For multiple building d...