Indiana Plumbing Contractor Exam - Plumbing License Test Questions & Verified Answers
Water closet seats for public restrooms shall be of which Open front elongated bowl
type?
Laundry tub/tray faucets with _____ require a backflow A hose attachment
preventer
A water supply tank has a capacity of 6500 gallons what's 3"
the minimum drain size permitted?
Sand and similar interceptors shall have a water seal of 6
not less than ___ inches.
Which material is NOT approved for specialty plumbing Glass
fixtures?
At what point does OSHA require contractors to begin Once the contractor has 11 employees
maintaining safety and injury records?
When joining galvanized iron pipe, pipe joint compound To the male threads only
shall be applied:
The MINIMUM size of the water service to a single-family 3/4
dwelling is ____ inches
When installing 1" CPVC water pipe in a single-family 3
dwelling, horizontal pipe supports are required every ____
ft
Shower compartment liners MUST be pitched towards the 1/4 per foot
fixture drain at a minimum slope of:
What is the MAXIMUM water flow rate for a private 2.2 gpm at 60 psi
lavatory?
What taxes are the employer's sole responsibility to pay on Unemployment
behalf of the employee?
A vent connecting one or more individual vents with a vent Branch
stack is a ____ vent
A water closet with a siphonic flush action and a 15 psi
flushometer requires a MINIMUM water pressure of:
When are reduced pressure backflow prevention Always required
assemblies required to have periodic testing?
Stuvia 2026-2027 | Latest Version
, Indiana Plumbing Contractor Exam - Plumbing License Test Questions & Verified Answers
The end of a discharge drain pipe from a temperature and Threaded
pressure relief valve shall NOT be:
Horizontal drains within buildings require clean outs to be NOT more than 100' apart
located:
When installing a drinking water treatment unit, the An air gap
discharge(waste) line shall enter the plumbing system
through:
What does a performance bond require of a contractor? Complete the project within the time frame and under the conditions as noted in the
contract
When potable water supply piping crosses clay drainage 12
piping, the supply piping shall be laid a minimum of ____
inches above the drain pipe
Water temperature limiting devices installed on public hand ASSE-1070
washing facilities are to be listed per:
The MINIMUM trap arm size for a bathtub is ____ inches 1-1/2
What's the MINIMUM size permitted for the waste outlet of 1-1/2"
a laundry tray?
The MINIMUM weight of sheet lead used to field construct 3
vent flashings shall be ____ pounds per square foot
A combination temperature and pressure-relief valve Discharge pipe
located inside a building must be provided with a
When a fry vent is connected to a horizontal drain line, the Above the center line of the drain pipe
vent shall be connected:
What is the MINIMUM head pressure and time duration for 10 feet and 15 minutes
a gravity sewer test?
What is the drainage fixture unit value for a shower in a 2
single family dwelling?
Offsets shall be permitted in the stack vent and shall be Flood level rim of the highest fixture
located a MINIMUM of 6 inches above the:
An indirect waste pipe is defined in the code as: A pipe that does NOT connect directly with the drainage piping
Stuvia 2026-2027 | Latest Version
Water closet seats for public restrooms shall be of which Open front elongated bowl
type?
Laundry tub/tray faucets with _____ require a backflow A hose attachment
preventer
A water supply tank has a capacity of 6500 gallons what's 3"
the minimum drain size permitted?
Sand and similar interceptors shall have a water seal of 6
not less than ___ inches.
Which material is NOT approved for specialty plumbing Glass
fixtures?
At what point does OSHA require contractors to begin Once the contractor has 11 employees
maintaining safety and injury records?
When joining galvanized iron pipe, pipe joint compound To the male threads only
shall be applied:
The MINIMUM size of the water service to a single-family 3/4
dwelling is ____ inches
When installing 1" CPVC water pipe in a single-family 3
dwelling, horizontal pipe supports are required every ____
ft
Shower compartment liners MUST be pitched towards the 1/4 per foot
fixture drain at a minimum slope of:
What is the MAXIMUM water flow rate for a private 2.2 gpm at 60 psi
lavatory?
What taxes are the employer's sole responsibility to pay on Unemployment
behalf of the employee?
A vent connecting one or more individual vents with a vent Branch
stack is a ____ vent
A water closet with a siphonic flush action and a 15 psi
flushometer requires a MINIMUM water pressure of:
When are reduced pressure backflow prevention Always required
assemblies required to have periodic testing?
Stuvia 2026-2027 | Latest Version
, Indiana Plumbing Contractor Exam - Plumbing License Test Questions & Verified Answers
The end of a discharge drain pipe from a temperature and Threaded
pressure relief valve shall NOT be:
Horizontal drains within buildings require clean outs to be NOT more than 100' apart
located:
When installing a drinking water treatment unit, the An air gap
discharge(waste) line shall enter the plumbing system
through:
What does a performance bond require of a contractor? Complete the project within the time frame and under the conditions as noted in the
contract
When potable water supply piping crosses clay drainage 12
piping, the supply piping shall be laid a minimum of ____
inches above the drain pipe
Water temperature limiting devices installed on public hand ASSE-1070
washing facilities are to be listed per:
The MINIMUM trap arm size for a bathtub is ____ inches 1-1/2
What's the MINIMUM size permitted for the waste outlet of 1-1/2"
a laundry tray?
The MINIMUM weight of sheet lead used to field construct 3
vent flashings shall be ____ pounds per square foot
A combination temperature and pressure-relief valve Discharge pipe
located inside a building must be provided with a
When a fry vent is connected to a horizontal drain line, the Above the center line of the drain pipe
vent shall be connected:
What is the MINIMUM head pressure and time duration for 10 feet and 15 minutes
a gravity sewer test?
What is the drainage fixture unit value for a shower in a 2
single family dwelling?
Offsets shall be permitted in the stack vent and shall be Flood level rim of the highest fixture
located a MINIMUM of 6 inches above the:
An indirect waste pipe is defined in the code as: A pipe that does NOT connect directly with the drainage piping
Stuvia 2026-2027 | Latest Version
