WATER SUPPLY SYSTEMS CORE EXAM TEST 2026
QUESTIONS AND SOLUTIONS RATED A+
✔✔Scalding - ✔✔______ is an injury caused by exposure to hot water.
✔✔Fusible Plug - ✔✔The ______ temperature and pressure relief valve had a lead plug
that melted when water temperature reached 210 degrees F
✔✔Internal - ✔✔A(n)______ heat exchanger resides in a water heating storage tank
and allows the transfer of heat from an HTF to the potable water without the two liquids
mixing.
✔✔Heating Source - ✔✔Water heaters can be classified in categories based on storage
capability,______, and use in residential or commercial/industrial buildings.
✔✔Temperature - ✔✔A(n)______ control circuit keeps water near a set temperature by
controlling the firing and extinguishing of the main burner.
✔✔Stratification - ✔✔______ is a natural process of convection in which layers of water
form based on temperature.
✔✔Fresh Water - ✔✔Water conservation encompasses the policies, strategies, and
activities required to manage ______ in order to meet current and future human
demand.
✔✔Embodied Energy - ✔✔______ is the energy used to make a product.
✔✔Certified - ✔✔The LEED certification system is based on prerequisites and credits
that a project must meet to achieve a certification level of ______, silver, gold, or
platinum.
✔✔1.0 gpf - ✔✔Ultra-low-flow urinals reduce the water flow per flush to rates below
_______ gpf threshold of the 1992 EPA requirement.
✔✔Waterclosets - ✔✔_______ use accounts for approximately 27% of the total water
usage in a home and almost 30% in a commercial building.
✔✔25% - ✔✔In 2011, U.S Department of Energy study uncovered that LEED-certified
buildings use _____% less energy than noncertified buildings.
✔✔On Demand - ✔✔________ initiated systems circulate water whenever the hot water
system is used or a sensor detects the presence of an occupant ready to use hot water.
QUESTIONS AND SOLUTIONS RATED A+
✔✔Scalding - ✔✔______ is an injury caused by exposure to hot water.
✔✔Fusible Plug - ✔✔The ______ temperature and pressure relief valve had a lead plug
that melted when water temperature reached 210 degrees F
✔✔Internal - ✔✔A(n)______ heat exchanger resides in a water heating storage tank
and allows the transfer of heat from an HTF to the potable water without the two liquids
mixing.
✔✔Heating Source - ✔✔Water heaters can be classified in categories based on storage
capability,______, and use in residential or commercial/industrial buildings.
✔✔Temperature - ✔✔A(n)______ control circuit keeps water near a set temperature by
controlling the firing and extinguishing of the main burner.
✔✔Stratification - ✔✔______ is a natural process of convection in which layers of water
form based on temperature.
✔✔Fresh Water - ✔✔Water conservation encompasses the policies, strategies, and
activities required to manage ______ in order to meet current and future human
demand.
✔✔Embodied Energy - ✔✔______ is the energy used to make a product.
✔✔Certified - ✔✔The LEED certification system is based on prerequisites and credits
that a project must meet to achieve a certification level of ______, silver, gold, or
platinum.
✔✔1.0 gpf - ✔✔Ultra-low-flow urinals reduce the water flow per flush to rates below
_______ gpf threshold of the 1992 EPA requirement.
✔✔Waterclosets - ✔✔_______ use accounts for approximately 27% of the total water
usage in a home and almost 30% in a commercial building.
✔✔25% - ✔✔In 2011, U.S Department of Energy study uncovered that LEED-certified
buildings use _____% less energy than noncertified buildings.
✔✔On Demand - ✔✔________ initiated systems circulate water whenever the hot water
system is used or a sensor detects the presence of an occupant ready to use hot water.
