TEXAS STATE PLUMBING INSPECTORS FINAL PAPER 2025
QUESTIONS WITH SOLUTIONS RATED A+
✔✔Screws or bolts for securing floor mounted fixtures may be - ✔✔Brass
✔✔Fixtures having concealed slip joint connections shall be provided with - ✔✔A utility
space or access panel
✔✔The diameter of a waste and overflow for a bathtub shall not be less than - ✔✔1 1/2
in
✔✔Every water supply to a urinal shall be protected by an approved - ✔✔Vacuum relief
breaker
✔✔To provide a watertight joint in the floor shower drains and floor drains are required
to be - ✔✔Suitable flanged
✔✔No shower stall or receptor shall have a finished interior dimension which is less
than - ✔✔30 in
✔✔Drinking fountains shall not be installed in - ✔✔Public restrooms
✔✔Water closets set side by side shall be no closer than - ✔✔30 in center to center
✔✔The joint of a wall hung lavatory, where it is in contact with the wall, shall be -
✔✔Water tight
✔✔The tailpiece diameter for lavatories and drinking fountains shall not be less than -
✔✔1 1/2 in
✔✔In public laundries and central washing facilities the minimum size floor drain shall
be _______ inches in diameter - ✔✔3
✔✔Commercial food waste food grinders shall be connected to a drain not less than -
✔✔1 1/2 in
✔✔Public hand washing facilities are required to have flow regulated to no more than
how many gallons - ✔✔.5
✔✔Liners shall be pitched a minimum of _____ slope and shall be sloped toward the
fixture drains and be securely fastened to the waste outlet - ✔✔2%
, ✔✔The minimum clearance in front of a water closet, urinal, lavatory or bidet to any
wall, fixture or door is how much - ✔✔21 in
✔✔The temperature of water from tankless water heaters shall be not greater than how
much for intended for domestic uses - ✔✔140
✔✔The code requires that where equipment and appliances having an ignition source
are located in hazardous locations, repair garages,m private garages motor fuel
dispensing facilities or parking garages the ignition sources must be located at least
how many inches above the floor of where the equipment rests - ✔✔18 in
✔✔The passageway shall be not less than ____ inches in height and _____ in width
and not more than ______ feet in length when measured along the centerline of the
passageway from the opening to the water heater - ✔✔30,22,20
✔✔A vacuum relief valve must be installed in _____ water heaters and tanks connected
to water heaters - ✔✔Bottom fed
✔✔A water heater vented into a fireplace or into a chimney serving a fireplace is -
✔✔prohibited
✔✔A single wall vent connector shall not originate in a - ✔✔Unoccupied attic
✔✔A water heater located in a garage within the vehicle path must be - ✔✔Suitably
guarded against damage
✔✔A final water heater inspection shall be made only after - ✔✔All work authorized by
permit has been installed
✔✔In buildings with unusually tight construction combustion air shall be obtained from -
✔✔The outside
✔✔Water heaters which depend on combustion air may be installed in a - ✔✔Garage
✔✔Discharge from a T&P valve into a water heater pan is - ✔✔Prohibited
✔✔The minimum clearance between any single wall metal vent connector and
combustible material is - ✔✔6 in
✔✔The distance from the passageway opening to the water heater shall not be more
than - ✔✔20 ft
QUESTIONS WITH SOLUTIONS RATED A+
✔✔Screws or bolts for securing floor mounted fixtures may be - ✔✔Brass
✔✔Fixtures having concealed slip joint connections shall be provided with - ✔✔A utility
space or access panel
✔✔The diameter of a waste and overflow for a bathtub shall not be less than - ✔✔1 1/2
in
✔✔Every water supply to a urinal shall be protected by an approved - ✔✔Vacuum relief
breaker
✔✔To provide a watertight joint in the floor shower drains and floor drains are required
to be - ✔✔Suitable flanged
✔✔No shower stall or receptor shall have a finished interior dimension which is less
than - ✔✔30 in
✔✔Drinking fountains shall not be installed in - ✔✔Public restrooms
✔✔Water closets set side by side shall be no closer than - ✔✔30 in center to center
✔✔The joint of a wall hung lavatory, where it is in contact with the wall, shall be -
✔✔Water tight
✔✔The tailpiece diameter for lavatories and drinking fountains shall not be less than -
✔✔1 1/2 in
✔✔In public laundries and central washing facilities the minimum size floor drain shall
be _______ inches in diameter - ✔✔3
✔✔Commercial food waste food grinders shall be connected to a drain not less than -
✔✔1 1/2 in
✔✔Public hand washing facilities are required to have flow regulated to no more than
how many gallons - ✔✔.5
✔✔Liners shall be pitched a minimum of _____ slope and shall be sloped toward the
fixture drains and be securely fastened to the waste outlet - ✔✔2%
, ✔✔The minimum clearance in front of a water closet, urinal, lavatory or bidet to any
wall, fixture or door is how much - ✔✔21 in
✔✔The temperature of water from tankless water heaters shall be not greater than how
much for intended for domestic uses - ✔✔140
✔✔The code requires that where equipment and appliances having an ignition source
are located in hazardous locations, repair garages,m private garages motor fuel
dispensing facilities or parking garages the ignition sources must be located at least
how many inches above the floor of where the equipment rests - ✔✔18 in
✔✔The passageway shall be not less than ____ inches in height and _____ in width
and not more than ______ feet in length when measured along the centerline of the
passageway from the opening to the water heater - ✔✔30,22,20
✔✔A vacuum relief valve must be installed in _____ water heaters and tanks connected
to water heaters - ✔✔Bottom fed
✔✔A water heater vented into a fireplace or into a chimney serving a fireplace is -
✔✔prohibited
✔✔A single wall vent connector shall not originate in a - ✔✔Unoccupied attic
✔✔A water heater located in a garage within the vehicle path must be - ✔✔Suitably
guarded against damage
✔✔A final water heater inspection shall be made only after - ✔✔All work authorized by
permit has been installed
✔✔In buildings with unusually tight construction combustion air shall be obtained from -
✔✔The outside
✔✔Water heaters which depend on combustion air may be installed in a - ✔✔Garage
✔✔Discharge from a T&P valve into a water heater pan is - ✔✔Prohibited
✔✔The minimum clearance between any single wall metal vent connector and
combustible material is - ✔✔6 in
✔✔The distance from the passageway opening to the water heater shall not be more
than - ✔✔20 ft
