OHIO HYDRONICS CONTRACTOR ACTUAL EXAM PAPER 2026 COMPLETE QUESTIONS AND CORRECT ANSWERS

OHIO HYDRONICS CONTRACTOR ACTUAL
EXAM PAPER 2026 COMPLETE QUESTIONS
AND CORRECT ANSWERS

◉ Since a hydronic system likely cannot tolerate shutdowns to
completely remove and flush the water loop once it is operational,
the ____________________ water is removed continuously at a relatively
low flow rate.
Answer: blowdown


◉ System maintenance should include a ___ inspection of piping and
HTF by the property owner or facility manager.
Answer: monthly


◉ The HTF used within a closed-loop system endures low
temperatures and limited temperature changes.
Answer: False


◉ The ___-based method is considered inaccurate and unreliable and
is used only in limited cases and as a last resort.
Answer: temperature

, ◉ The default maintenance procedure on many buildings is
preventive maintenance.
Answer: False


◉ The easiest type of hydronic system to balance is one that has
____________________ flow-measuring devices.
Answer: direct


◉ The piping system is the smallest and potentially most complex
part of a hydronic system.
Answer: False


◉ The volume of water in the loop system would be continuously
increasing, unless a system for makeup water is in place.
Answer: False


◉ There are ___ types of building maintenance programs.
Answer: three


◉ When preparing to start a hydronic system for the first time,
determine the probable date, as related to the job ____________________,
when the hydronic system will be available for startup and
balancing.
Answer: progress schedule