IRC PLUMBING EXAM 2025/2026 BANK 2
VERSIONS QUESTIONS AND ACCURATE
ACTUAL EXAM WITH FREQUENTLY
TESTED QUESTIONS AND STUDY GUIDE /
EXPERT VERIFIED FOR GUARANTEED
PASS/ALREADY GRADED A+
On a ceiling mounted pendant fire sprinkler head, there is
an obstruction in the area, the distance from the ceiling to
the sprinkler deflector to the bottom of the obstruction is 7
inches. What is the minimum allowed horizontal distance
to the obstruction in feet. - 4.5
Figure P2904.2.4.2
The maximum allowable distance of a 3 inch fixture trap
from the vent fitting is ______ feet. - 12
Table P3105.1
,What is the required flow pressure, in pounds per square
inch (psi), at point of outlet discharge for a water supply
outlet providing water to a water closet, tank, close
coupled. - 20
Table P2903.1
Where the 97.5-percent value for the outside design
temperature is 0°F or less, every vent extension through a
roof or wall must be a minimum of _____ inches in
diameter. - 3
P3103.2
A connection between a vent pipe and a vent stack or
stack vent must be made at least ______ inches above the
flood level rim of the highest fixture served by the vent. -
6
P3104.5
,What is the required flow pressure, in pounds per square
inch (psi), at point of outlet discharge for a water supply
outlet providing water to a water closet, flushometer tank.
- 20
Table P2903.1
Fixture fittings, faucets and diverters must be installed
and adjusted so that the flow of hot water from the fittings
corresponds to the ______ of the fitting. Exception
ignored. - left-hand side
P2722.2
The minimum size in inches of a combination waste and
vent pipe connecting to a building drain or building sub
drain and serving 31 d.f.u. is _____. - 3
Table 3111.3
, The outlet of a water heaters pressure relief valve,
temperature relief valve or combination valve, must be
directly connected to the _____. - none of the above
P2804.6.1
What is the minimum pipe support spacing in feet,
required for copper or copper alloy tubing (1 1/4 inch
diameter and smaller_ installed in a horizontal orientation.
-6
Table P2605.1
The flow velocity of the water distribution system must be
controlled to reduce the possibility of _____. - water
hammer
P2903.5
A wet 2 inch vent can handle venting for _____ fixture
unit loads. - 4
VERSIONS QUESTIONS AND ACCURATE
ACTUAL EXAM WITH FREQUENTLY
TESTED QUESTIONS AND STUDY GUIDE /
EXPERT VERIFIED FOR GUARANTEED
PASS/ALREADY GRADED A+
On a ceiling mounted pendant fire sprinkler head, there is
an obstruction in the area, the distance from the ceiling to
the sprinkler deflector to the bottom of the obstruction is 7
inches. What is the minimum allowed horizontal distance
to the obstruction in feet. - 4.5
Figure P2904.2.4.2
The maximum allowable distance of a 3 inch fixture trap
from the vent fitting is ______ feet. - 12
Table P3105.1
,What is the required flow pressure, in pounds per square
inch (psi), at point of outlet discharge for a water supply
outlet providing water to a water closet, tank, close
coupled. - 20
Table P2903.1
Where the 97.5-percent value for the outside design
temperature is 0°F or less, every vent extension through a
roof or wall must be a minimum of _____ inches in
diameter. - 3
P3103.2
A connection between a vent pipe and a vent stack or
stack vent must be made at least ______ inches above the
flood level rim of the highest fixture served by the vent. -
6
P3104.5
,What is the required flow pressure, in pounds per square
inch (psi), at point of outlet discharge for a water supply
outlet providing water to a water closet, flushometer tank.
- 20
Table P2903.1
Fixture fittings, faucets and diverters must be installed
and adjusted so that the flow of hot water from the fittings
corresponds to the ______ of the fitting. Exception
ignored. - left-hand side
P2722.2
The minimum size in inches of a combination waste and
vent pipe connecting to a building drain or building sub
drain and serving 31 d.f.u. is _____. - 3
Table 3111.3
, The outlet of a water heaters pressure relief valve,
temperature relief valve or combination valve, must be
directly connected to the _____. - none of the above
P2804.6.1
What is the minimum pipe support spacing in feet,
required for copper or copper alloy tubing (1 1/4 inch
diameter and smaller_ installed in a horizontal orientation.
-6
Table P2605.1
The flow velocity of the water distribution system must be
controlled to reduce the possibility of _____. - water
hammer
P2903.5
A wet 2 inch vent can handle venting for _____ fixture
unit loads. - 4
