Basic types of chillers Study guides, Class notes & Summaries
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EPA 608 Certification Exam with 100% Correct Answers 2024 / 2025
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What date was the sale of CFC's & HCFC's restricted to technicians certified in 
refrigerant recovery? - Correct answer-November 14, 1994 
Section 608 of the Federal Clean Air Act requires technicians to what? - Correct 
answer-Recover all refrigerants. 
The objective of the Clean Air Act is to protect what? - Correct answer-The earth's 
stratosphere. 
HFC's - Correct answer-HydroFlouroCarbon's 
CFC's - Correct answer-ChloroFluoroCarbon's 
ODP - Correct answer-Ozone Depletion Potential 
Which in...
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HVAC CFC TEST WITH CORRECT SOLUTIONS
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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.
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PPD 2024 Study Exam 2 Questions with 100% CORRECT Answers
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PPD 2024 Study Exam 2 Questions with 100% CORRECT Answers 
 
 
What are the two basic elements for mechanical equipment? - ANSWERS1. The Plant 
2. Distribution 
 
What does the mechanical "Plant" do? - ANSWERSOne of the basic elements for mechanical equipment. Creates the warm or cool water or air, usually in the mechanical room. 
 
What is the mechanical "Distribution" mechanism or "system" do? - ANSWERSOne of the basic elements for mechanical equipment. Delivers the heated or cool wate...
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stationary engineer 2024 Latest Update Correct 100%
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Cl2 - ANSWER Chlorine 
 
boiler - ANSWER equipment that provides hot water or steam for various uses 
 
PRV - ANSWER PRESSURE RELIEVE VALVE 
 
NOWL - ANSWER Normal operating water level 
 
BTU - ANSWER British Thermal Unit 
 
absolute pressure - ANSWER gauge pressure (psi) + atmospheric pressure (14.7 psi) at sea level 
 
air changes per hour - ANSWER The hourly ventilation rate divided by the volume of a space. For perfectly mixed air or laminar flow spaces, this is equal to the number of times...
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STATIONARY ENGINEER || WITH 100% ERRORLESS SOLUTIONS.
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Cl2 correct answers Chlorine 
 
boiler correct answers equipment that provides hot water or steam for various uses 
 
PRV correct answers PRESSURE RELIEVE VALVE 
 
NOWL correct answers Normal operating water level 
 
BTU correct answers British Thermal Unit 
 
absolute pressure correct answers gauge pressure (psi) + atmospheric pressure (14.7 psi) at sea level 
 
air changes per hour correct answers The hourly ventilation rate divided by the volume of a space. For perfectly mixed air or laminar ...
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HVAC CFC Exam with complete solutions
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Absolute pressure - Answer- Atmospheric pressure + gauge pressure; PSIA= PSI+14.7 
 
Boiling Point - Answer- The temperature at which a liquid changes to a gas 
 
Condensing point - Answer- The temperature at which a substance changes from a gas to a liquid. 
 
Chillers - Answer- Is a piece of refrigeration equipment that removes heat from water that circulates through a building for cooling purposes. 
 
Basic types of chillers - Answer- High pressure chillers, low pressure chillers and absorpti...
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Stationary Engineer Exam Questions with 100% Correct answers
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Cl2 Correct Answer Chlorine 
 
boiler Correct Answer equipment that provides hot water or steam for various uses 
 
PRV Correct Answer PRESSURE RELIEVE VALVE 
 
NOWL Correct Answer Normal operating water level 
 
BTU Correct Answer British Thermal Unit 
 
absolute pressure Correct Answer gauge pressure (psi) + atmospheric pressure (14.7 psi) at sea level 
 
air changes per hour Correct Answer The hourly ventilation rate divided by the volume of a space. For perfectly mixed air or laminar flow sp...
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AIC EXAM STUDY GUIDE | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
- Exam (elaborations) • 38 pages • 2024
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AIC EXAM STUDY GUIDE | QUESTIONS & 
ANSWERS (VERIFIED) | LATEST UPDATE | 
GRADED A+ 
What percentage of conversations do listeners remember of what they hear? 
Correct Answer: 10% 
What percentage of conversations do speakers remember of what they say and do? 
Correct Answer: 90% 
When giving presentations, people should do which of the following? 
Correct Answer: Keep the conversation short and on topic 
Which of the following should people do to effectively listen? 
Correct Answer: Liste...
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stationary engineer (all solutions are A+ Graded)
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Cl2 correct answers Chlorine 
 
boiler correct answers equipment that provides hot water or steam for various uses 
 
PRV correct answers PRESSURE RELIEVE VALVE 
 
NOWL correct answers Normal operating water level 
 
BTU correct answers British Thermal Unit 
 
absolute pressure correct answers gauge pressure (psi) + atmospheric pressure (14.7 psi) at sea level 
 
air changes per hour correct answers The hourly ventilation rate divided by the volume of a space. For perfectly mixed air or laminar ...
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Stationary Engineer Test Questions with Complete Solutions
- Exam (elaborations) • 11 pages • 2023
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Stationary Engineer Test Questions with Complete Solutions 
Cl2 - ANSWER Chlorine 
 
boiler - ANSWER equipment that provides hot water or steam for various uses 
 
PRV - ANSWER PRESSURE RELIEVE VALVE 
 
NOWL - ANSWER Normal operating water level 
 
BTU - ANSWER British Thermal Unit 
 
absolute pressure - ANSWER gauge pressure (psi) + atmospheric pressure (14.7 psi) at sea level 
 
air changes per hour - ANSWER The hourly ventilation rate d...
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