Hvac questions Study guides, Class notes & Summaries
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F80 Exam Questions and Answers Graded A
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F80 Exam Questions and Answers Graded A After what date was the F-24 certificate of Fitness not recognized. July 31, 2014 
How often must this certificate be renewed? Every 3 years 
In what types of buildings and occupancies are coordinators of fire safety and alarm systems in homeless shelter required? Homeless shelters, one-way voice communication systems, or occupied for more tha n fifteen persons for a period of more than 30 days. 
What is the certificate of occupancy? Determines the number ...
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ASD Exam Questions With 100% Correct Answers 2023
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ASD Exam Questions With 100% Correct Answers 2023 
Category 1 - Correct Answer-Category of Water that originates from sanitary water source (Clean) 
 
Catetroy 2 - Correct Answer-Category of Water that is contaminated; may cause discomfort or sickness (Grey) 
 
Category 3 - Correct Answer-Category of Water that is grossly contaminated; includes toxins, pathogens 
 
Special Situation - Correct Answer-Regulated or hazardous materials 
 
Class 1 - Correct Answer-Class of water that has least amount...
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BOMA – HVAC QUESTIONS AND ANSWERS 100% PASS LATEST UPDATE 2024
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BOMA – HVAC QUESTIONS AND ANSWERS 100% PASS LATEST UPDATE 2024 
 
Two basic categories of chillers are the ___. 
a. Compression cycle and absorption 
b. purge and absorption 
c. absorption and lithium bromide 
d. purge and lithium bromide - 
Correct Answer a. Compression cycle and absorption 
 
The five requirements for comfort are proper temperature, humidity, filtration, _____, and ventilation. 
 
a. circulation 
b. velocity 
c. . 
d. none of the above - 
Correct Answer a. circulation 
 
T...
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BOMA – HVAC QUESTIONS AND ANSWERS 100% PASS
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BOMA – HVAC QUESTIONS AND 
 
ANSWERS 100% PASS 
 
Two basic categories of chillers are the 
compression cycle and absorption 
The five requirements for comfort are proper temperature, humidity, filtration, and ventilation 
circulation 
The primary function of an expansion device is to 
produce a reduction in the pressure on the liquid refrigerant, regulate the flow of refrigerant into 
the evaporator, lower the boiling point of the refrigerant far enough below the temperature of the 
load to g...
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HVAC JOURNEYMAN EXAM AND PREP TEST EXAM 250 QUESTIONS AND CORRECT DETAILED ANSWERS TOP RATED VERSION FOR 2024-2025 ALREADY A GRADED WITH EXPERT FEEDBACK|BRAND NEW!|REVISED
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HVAC JOURNEYMAN EXAM AND PREP TEST EXAM 250 QUESTIONS AND CORRECT DETAILED ANSWERS TOP RATED VERSION FOR ALREADY A GRADED WITH EXPERT FEEDBACK|BRAND NEW!|REVISED
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MD HVAC Masters Questions with Complete Solutions
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MD HVAC Masters Questions with Complete Solutions
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HVAC-101 Intro to HVAC Questions with Complete Solutions
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HVAC-101 Intro to HVAC Questions with Complete Solutions
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JLTV Test B Questions and Answers Already Passed
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JLTV Test B Questions and Answers 
 
Already Passed 
 
Which is the only JLTV variant with a two-seat configuration? 
A. GP 
B. HGC 
C. CCWC 
D. UTL 
D. UTL 
Which of the following lights indicates that you will NOT be able to adjust the ride height? 
A. LVD 
B. SPNSN ERROR 
C. SPNS NOT LEVEL 
D. CTIS FAULT 
 
B. SPNSN ERROR 
What are the benefits of the vehicle design using half shafts instead of straight axles on the 
JLTV? 
A. To account for angles produced by suspension movement. 
B. To ensu...
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HVAC Journeyman Test 2024-2025 UPDATE ACTUAL EXAM ALL QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) 100% PASS SOLUTION /ALREADY GRADED A+
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HVAC Journeyman Test UPDATE ACTUAL EXAM ALL QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) 100% PASS SOLUTION /ALREADY GRADED A+
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BOMA-HVAC Questions And Answers With Complete Solutions Rated A+
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BOMA-HVAC Questions And Answers With Complete Solutions Rated A+
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HVAC: EPA 608 Certification Study Guide Questions and Answers | Latest Version | 2024/2025 | Rated A+
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HVAC: EPA 608 Certification Study 
Guide Questions and Answers | Latest 
Version | 2024/2025 | Rated A+ 
 
Are there alternative refrigerants that can be directly used in systems originally designed for R- 
12? Why or why not? 
 
No, because these new refrigerants are not compatible with the lubricants and oils used in R- 
12 systems. 
 
Explanation: The oils and lubricants in R-12 systems cannot properly interact with newer 
refrigerants, making direct replacements unfeasible. 
 
What type of o...
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