Hvac ii Study guides, Class notes & Summaries

EPA 608 CERTIFICATION EXAM 2023/2024 NEW UPDATE!! (200+ QUESTIONS AND VERIFIED ANSWERS) 100% CORRECT ANSWERS 1. A recovery cylinder must not be filled more than ___ % of it's capacity by weight? ~ Answer: 80% 2. How should refrigerant cylinders be shipped? ~ Answer: Up-right with proper DOT classification tags. 3. What oil MUST be used with ALL HFC's for HVAC/Refrigeration but will also work with CFC's and HCFC's. ~ Answer: Polyolester 4. HCFC's have v...

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: 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...

HVAC CFC TEST WITH CORRECT SOLUTIONS Absolute pressure Boiling Point Condensing point Chillers. Basic types of chillers. Chlorofluorocarbons (CFCs) Class I substances Hydrochlorofluorocarbons (HCFCs) Class II substances Hydrofluorocarbons (HFCS) Perfluorocarbons (PFCs). High pressure refrigerants Low pressure refrigerants Viscosity. Flash Point Fire Point. Pour Point Troposphere.

According to state regulation (Texas)Mold Remediation Rules, an owner or their employees are NOT required to be licensed to perform mold remediation on a residential property they own and has fewer than ______ dewelling units. Correct Answer 10 TMRR, Stop Date is defined as Correct Answer The date following a day on which final clearance is achieved following a mold remediation project. TMRR, a person whose license has expired for more than ______ ___________ must obtain a new license and ...

CSST Exam Study Prep (Review in progress... again. 12/3/18) Questions meant to assist in studying for the California OSHA Division of Occupational Safety Health certified site surveillance technician (CSST) Exam 2024 Why was asbestos added to construction materials ? -Answer-It was a great insulator and binder. It added strength and durability against weathering and use. It was non-corrosive, did not conduct electricity, and made spray-on products easier to apply. What are the two classes ...

EPA 608 Certification, EPA 608 Exam 2023. Commonly known as HCFC's, they are a group of man-made compunds containing hydrogen, chlorine, fluorine, and carbon. - ANSWER What are HydroChloroFluoroCarbons? 80% - ANSWER A recovery cylinder must not be filled more than ___ % of it's capacity by weight? Up-right with proper DOT classification tags. - ANSWER How should refrigerant cylinders be shipped? Polyolester - ANSWER What oil MUST be used with ALL HFC's for HVAC/Refrigeration but will al...

Fire Inspector II Test Where would you look to determine if the damper requirements have been included and correct on a set of drawings? - On the mechanical plan Which plans sheet gives specific details for exit signs? - Electrical plans Which plan would you look at to find exit door fire ratings? - Door schedule All of the following items can be verified on the life safety floor plan Except - The location of fire hydrant connections Which view should inspectors examine to see a...