Exam Question with Verified Correct
Detailed Answers Latest Update
Introduction:
This document contains a comprehensive set of practice exam
questions and verified correct answers for the Ohio Hydronics
Contractor exam. It covers all essential topics, including hydronic
system design, boilers, piping materials, controls, system
balancing, zoning, maintenance, and integration with renewable
energy. With detailed explanations, it serves as a complete
preparation guide aligned with the latest exam requirements.
Exam Questions and Answers:
1: What is the primary function of a hydronic heating system? ---
correct answer ---
The primary function of a hydronic heating system is to use water
or steam to transfer heat through a network of pipes to heat spaces
in a building.
2: What are the two main types of hydronic systems? --- correct
answer ---
, The two main types of hydronic systems are hot water heating
systems and steam heating systems.
3: What is the role of a boiler in a hydronic system? --- correct
answer ---
A boiler heats the water or generates steam that circulates through
the pipes to provide heating in a hydronic system.
4: Why is it important to maintain proper pressure in a hydronic
system? --- correct answer --- Proper pressure is important to
ensure efficient circulation of water or steam and to prevent
damage to the system components.
5: What is the purpose of an expansion tank in a hydronic system? -
-- correct answer ---
An expansion tank absorbs excess pressure in the system due to the
expansion of water as it heats, preventing system damage.
6: How does a circulator pump function in a hydronic heating
system? --- correct answer ---
A circulator pump moves the heated water or steam through the
pipes to the radiators or heat exchangers in the system.