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Exam (elaborations)
Hydronic Heating, Cooling & Process 
Piping EXAM STUDY GUIDE 2026/2027 
ACCURATE QUESTIONS WITH 
CORRECT DETAILED SOLUTIONS || 
100% GUARANTEED PASS 
<NEWEST VERSION>
Hydronic Heating, Cooling & Process 
Piping EXAM STUDY GUIDE 2026/2027 
ACCURATE QUESTIONS WITH 
CORRECT DETAILED SOLUTIONS || 
100% GUARANTEED PASS 
<NEWEST VERSION> 
 
 
1. What is the primary medium used in hydronic heating systems? - ANSWER 
 Water 
 
2. What is the specific gravity of oil compared to water? - ANSWER Oil 
has a specific gravity of 0.96, meaning it is lighter than water. 
 
3. What are the two common types of glycol used in hydronic systems? - 
ANSWER P...