Practice Test 1 & Exam Review Flashcards
Prepare for the IPC exam with practice tests and review questions.
Fill in the blank:
During a shower liner test, the shower liner shall hold water for a period of not less than ______ minutes without evidence of leaking.
15
Which device is for use in backsiphonage situations only?
spill-resistant vacuum breaker assembly
What pipe size is required for a building drain carrying 40 DFU if the pipe has 1/4” per foot slope?
3”
Convert:
10.83’ to feet and fractional inches
10’ 10”
Fill in the blank:
A hub drain acting as an indirect waste receptor shall extend not less than ______ above the floor.
1”
Fill in the blank:
Individual and branch-type air admittance valves shall be located not less than ______ inches above the horizontal branch drain or fixture drain being vented.
4
What is the minimum horizontal hanger spacing for ABS pipe?
4 feet
What is the minimum horizontal hanger spacing for cast-iron pipe?
5 feet
What is the minimum pipe size for a subsoil drain?
4”
Calculate the measurement for O if the spread between pipes is 11” and L is 16”.
See Final Test Figure 8-1
20 9/16”
What is the maximum travel distance to a drinking fountain in a covered mall?
300 feet
What is the fitting that should be installed at point B?
Examine Figure 8-2
3” x 2” Wye
Find the drop if the grade is 1/8” per foot and the run is 20 feet.
2 1/2”
What is the minimum drain size for a bathtub?
1 1/2”
Find the grade of a pipe if the drop is 11 1/4” and the run is 90 feet.
1/8” per foot
Fill in the blank:
When installed in an attic, water heaters shall be provided with a passageway not less than ______ inches in width.
22
Which of the following joints is prohibited?
a. threaded joint
b. caulked joints
c. saddle-type
d. mechanical joint
c. saddle-type
What size of storm drain pipe should be installed for a horizontal roof drain that has a slope of 1/8” per foot and a gallon per minute flow of 300 gpm?
6”
Calculate the measurement for a special case 90 degree offset using 45 degree elbows for M if the spread between pipes is 15”.
See Final Test 1 Figure 8-3
13 13/16”
What is the minimum pipe size for a condensate drain?
3/4”
What is the maximum cubic feet per hour given the following information:
Schedule 40
Metallic Pipe
Natural Gas
Less than 2 psi
0.5 inch w.c.
Developed Length 30 feet
Pipe Size 1/2”
95
Which of the following gas appliances are NOT required to be vented?
a. furnace
b. tank water heater
c. fireplace
d. gas refrigerator
d. gas refrigerator
Fill in the blank:
Vent terminals shall be not less than ______ feet above the top of an opening in the building such as windows, doors or air intakes.
2
What is the vent pipe size for a drainage system serving a 6” stack carrying 450 DFU with a developed length of 50 feet?
4”
Fill in the blank:
Standpipes intended for indirect waste shall not extend more than ______ inches above the trap weir.
42”
Fill in the blank:
In non bearing partition walls, a stud shall not be bored in excess of ______ percent of its depth.
60
Fill in the blank:
Pressure vacuum breaker assemblies shall be installed with the critical level of the assembly located not less than ______ inches above all downstream piping and outlets.
12
Fill in the blank:
Primary and secondary roof drain inlets and outlets shall be ______.
independent
What is the minimum diameter of a sump pit for a sewage ejector?
18”
Convert:
50 gallons into weight measurement in pounds
416 pounds
What is the maximum temperature for waste water discharged into a sanitary drainage system?
140 degrees F
A water heater costs $1320.00 at the supplier. The plumber will sell the water heater with a markup of 20%. What is the new price for the water heater?
$1584.00
What is the minimum fixture water supply pipe size for a toilet with flushometer valve?
1”
Fill in the blank:
Backwater valves shall be installed where plumbing fixtures are installed on a floor with finished floor elevation ______ the elevation of the manhole cover of the next upstream manhole.
below
How high should urinal partitions extend above the floor?
60”
What is the required pipe size for a vertical stack with the discharge from 5 branch intervals carrying 68 drainage fixture units?
3”
Convert:
1.937” to fractional inches
1 15/16”
What is the required pipe size for a horizontal branch drain carrying 18 drainage fixture units?
3”
Fill in the blank:
Health care facilities Group I-2, Condition 2 shall have not fewer than ______ water service pipes.
two
What is the minimum distance center to center between any two fixtures?
30”
Which of the following is not a safety device for water heaters specifically listed in the code?
a. antisophon device
b. vacuum relief valve
c. double check valve
d. temperature and pressure relief valve
c. double check valve
What size cleanout is required for a 2” pipe?
2”
Calculate the diagonal for a rolling offset made with two 45 degree fittings which has a rise of 10 inches and an offset of 12 inches.
22.08 inches
Fill in the blank:
The slope for a gas vent connector shall be not less than ______ inch per foot.
1/4
What is the maximum spacing for piping supports when installing 1/2” steel gas pipe?
6’
What is the minimum depth for a water heater pan?
1 1/2”
Convert:
1 1/4” to decimal inches
1.25”
Solve for the gallon per minute for a roof surface that is 10,000 square feet at a location with 2 inches of rainfall intensity per hour.
208
What is the minimum drain size for a laundry tray?
1 1/2”
When protecting pipes installed in drilled or notched studs from physical damage by nail plating, what is the maximum distance from the face of the stud to the hole that would require protection?
1 1/4”
Fill in the blank:
Sidewall vent terminations shall be not less than ______ feet from the lot line.
10
What is the vent pipe size for a drainage system serving a 3” stack carrying 21 DFU with a developed length of 50 feet?
2”
What is the maximum temperature to be provided by a tankless water heater for domestic use?
140 degrees F
Find the grade of a pipe if the drop is 20” and the run is 320 feet.
1/16” per foot
Find the volume of a rectangular aquarium that is 14” wide, 36” long and 16” deep on inside dimensions.
8064 cubic inches
How many traps or trapped fixtures are permitted to be connected to a common vent?
2
What is the required pipe size for a vertical stack with the discharge from one branch interval carrying 90 drainage fixture units?
4”
Fill in the blank:
A means of egress in a trench excavation must be within ______ feet of the work being performed.
25 feet
Convert:
6’ 3 5/8” to decimal feet
6.30’
What size of storm drain pipe should be installed for a vertical roof drain that has a gallon per minute flow of 100 gpm?
4”
Find the percentage grade if the drop is 15 inches and the run is 110 feet.
1%
Which of the following is NOT an option for subsoil drains?
a. solid wall pipe
b. open-jointed pipe
c. horizontally split pipe
d. perforated pipe
a. solid wall pipe
What is the minimum trap size for a dishwashing machine for domestic use?
1 1/2”
Fill in the blank:
Where street water pressures fluctuate, the water distribution system shall be designed for the ______ pressure available.
minimum
Fill in the blank:
Cleanouts with openings at a finished wall shall have the face of the opening located within ______ inches of the finished wall surface.
1 1/2
Fill in the blank:
Individual fixture shutoff valves installed at the manifold shall be ______ as to the fixture being supplied.
identified
What is the maximum distance between adjacent scaffold planks?
1”
Fill in the blank:
The size of roof drains shall be based on the ______-year rainfall rate indicated on Figures in the IPC.
100
What size is the horizontal gutter if the slope is 1/8” per foot and the flow rate is 39 gpm?
4”
Fill in the blank:
Waste water from swimming pools shall discharge through an indirect waste connection by means of ______.
an air gap
What is the grease retention capacity for an interceptor with a flow through rate of 10 gpm?
20 pounds
Fill in the blank:
Roofs shall be designed for the ______ depth of water that will pond on the roof if the storm drains are blocked.
maximum
What is the maximum length for a pipe measured horizontally running from a fixture to an indirect waste location?
30”
What are the total drainage fixture units at point A?
Examine Figure 8-4
98 DFU
What color label shall be used to identify exposed gas pipe, other than steel?
yellow
Which of the following situations does not require a permit?
a. new plumbing installations
b. plumbing system alterations
c. plumbing system replacement
d. stopping leaks
stopping leaks
What is the vent size at point D if the developed length of the vent is 160 feet?
Examine Figure 8-5
3”
Fill in the blank:
Pumps for individual water supply systems shall be provided with ______.
ready access
Fill in the blank:
After inspections indicate that the work has been performed to code requirements, the code official will issue ______.
a notice of approval
What is the drainage fixture unit value for a lavatory?
1
What is the maximum distance for a trap arm for a 1 1/4” trap with 1/4” per foot grade?
5 feet
Fill in the blank:
A potable water supply shall be designed and installed to prevent ______ from nonpotable liquids, solids or gasses from being introduced into the potable water supply.
contamination
What is the minimum flow rate in gallons per minute for a hose bib?
5
Fill in the blank:
A water pipe test using air pressure at 60 psi would require a gauge having increments of ______ psi or less.
1
What is the minimum width for a passageway under a floor?
22”
What is the pressure if the water source is 200 feet above the point of delivery?
86.8 psi
Which of the following devices is NOT to be installed for high hazard backflow situations?
a. spill-resistant vacuum breaker assembly
b. air gap
c. backflow preventer for carbonated beverage machine
d. hose connection vacuum breaker
c. backflow preventer for carbonated beverage machine
Which of the following is NOT a fixture that can be vented using a combination waste and vent system?
a. floor drain
b. water closet
c. lavatory
d. drinking fountain
b. water closet
Fill in the blank:
Each fixture trap shall have a trap seal of not less than ______ inches deep.
2
Fill in the blank:
The vertical distance from the fixture outlet to the trap weir shall not exceed ______ inches.
24”
What is the vent diameter of a double-wall gas vent given the following information:
Single Appliance.
Category 1
Connected directly to appliance vent
Vent Height 10’
Lateral Length 5’
Appliance BTU = 40,000
Natural Draft
3”
A cleanout plug for metallic pipe is required to be which type?
copper-alloy
Convert:
5.34 cubic feet into gallons
40 gallons
What are the total drainage fixture units at point E?
Examine Figure 8-6
24 DFU
Fill in the blank:
Every dry vent shall rise vertically to a point not less than ______ inches above the flood level rim of the trapped fixture being served.
6
Fill in the blank:
Gas pipe system pressure inside a building shall not exceed ______ psi.
5
Fill in the blank:
An air gap between the indirect waste pipe and the flood level rim of the receptor shall be not less than ______ the effective opening of the indirect waste pipe.
twice
What is not an acceptable option for urinals in facilities designed for use by both sexes?
located in a visible location
What is the drainage fixture unit value for clear water waste from a cooler or freezer?
1/2 DFU
What is the pipe size given the following information:
Schedule 40 Metallic Pipe
Undiluted Propane
Inlet Pressure 2.0 psi
Pressure Drop 1.0 psi
Developed Length 120 feet
Thousands of BTU Per Hour 3000
1 1/4”
What is the minimum number of lavatories required for a female restroom in an educational occupancy?
1 per 50 persons
Fill in the blank:
When calculating for combustion air, the total required volume shall be the sum of the required volume for ______ appliances located within the space.
all
What is the pipe size given the following information:
Schedule 40 Metallic Pipe
Natural Gas
Less than 2 psi
0.3 inch w.c.
Developed Length 75 feet
Cubic Feet Per Hour 75
3/4”
What is the maximum number of water closets that can be served by 3” horizontal branch in a single stack vent system?
1
In which location is the installation of gas appliances not allowed?
storage closets
Calculate the diagonal for a pipe that offsets 15 inches using two 45 degree fittings.
21.2 inches
Which appliances requires a sediment trap?
- water heater
- furnace
- boiler
Fill in the blank:
Through-the-wall vent terminal shall terminate not less than ______ feet below an openable window or door.
4
How high must the ignition source of an appliance be elevated when the appliance is installed in a garage?
18”
What is the minimum slope for a horizontal pipe that is 2 inches in diameter?
1/4” per foot
What is the maximum DFU for a wet vent serving a 3” drain?
12
What is the water seal depth requirement for a sand interceptor?
6”
Fill in the blank:
At points of interconnection between the hot and cold water, provisions shall be made to ______ flow between such piping systems.
prevent
Fill in the blank:
A combination plumbing fixture is permitted to be installed on one trap provided that one compartment is not more than ______ inches deeper than the other compartment.
6
What is the overflow pipe diameter for a water supply tank with a supply line capacity of 150 gpm?
3”
What is the gallon per minute capacity of a vertical leader that is 3”?
92
Fill in the blank:
Cleanouts for building sewers 8 inches and larger shall have cleanouts at intervals not more than ______ feet apart.
200
What is the maximum flow rate for a private lavatory at 60 psi?
2.2 gpm
Find the area of a room that is 5’ 6” in width and 12’ in length.
66 square feet
Fill in the blank:
When using the two permanent opening method for outside combustion air, the upper opening must be within ______ inches of the top.
12
