Extra Practice Flashcards
Cover miscellaneous IPC topics, including nonpotable water and solar systems, while preparing for the IPC exam with practice tests and review questions.
Fill in the blank:
When a 13’- 8” long pipe is cut into 3 equal segments, each is approximately ______ long.
4’ - 6 11/16”
13.67’ ÷ 3 = 4.55’ 4 is feet
4’ .55’ x 12 = 6.67” 6 is inches
6” .67” x 16 = 10.67 or 11/16th
Fill in the blank:
When a 21’- 1” long pipe is cut into 4 equal segments, each is approximately ______ long.
5’- 3 1/4”
21.08’ ÷ 4 = 5.27’ 5 is feet
5’ .27’ x 12 = 3.24” 3 is inches
3” .24” x 16 = 3.84 or 4 /16th = 1/4”
Fill in the blank:
Schedule 40 PVC pipe is rated at 62% of its strength at 100°F compared to its strength at 73.4°F. The maximum water pressure, which may be used at 100°F, is ______ psi.
99.2
160 psi x .62 = 99.2 psi
Assume only 5-foot lengths of cast iron pipe are used. Estimate the number of full lengths used in the construction of a pipeline, which measures 162’- 3”.
32
162.25’ ÷ 5’ = 32.45 = 32 full lengths
Refer to the previous question. Estimate the length of the additional piece required.
2’- 3”
.45 x 5’ = 2.25’ = 2’- 3” additional
Fill in the blank:
Refer to the previous question. The length of the scrap remaining after cutting is ______.
2’- 9”
6.55 x 5’ = 2.75’ = 2’- 9” scrap
Fill in the blank:
An assistant holds a rod on a benchmark of 7.50’ and the contractor takes a backsight rod reading of 4.50’. The contractor turns the level and reads the rod, placed on the septic tank inlet, giving a foresight rod reading of 7.25’. The inlet elevation of the septic tank is ______ feet.
Elevation 4.75
BM + BS = HI - FS = SE 7.50’ + 4.50’ = 12.00’ - 7.25’ = 4.75’
Which of the septic tank sizes listed below could hold 1,250 gallons in capacity?
5’- 0” x 5’- 6” x 6’- 2” inside dimension
Convert to cubic feet, 1,250 ÷ 7.5 = 166.66 cubic feet
Fill in the blank:
The inside of a single compartment septic tank measures 5’- 4” in width, 5’- 8” in depth, and has a capacity to hold 1,500 gallons. The inside length of the tank would be ______.
6’- 8”
33 (#7) Convert to cubic feet,
1,500 ÷ 7.5 = 200 cubic feet
L’ x W’ 200 cubic feet ÷ (5.33’ x 5.67’) = 6.61’ length
30.22 sq. ft. 6.61’ is 6 feet .61’ x 12 = 7.32” = 7 inches .32” x 16 = 5.12 = 5/16th
A water tank has a capacity to hold 1,000 gallons. Which of the following is true?
a. The water in the tank, when full, will weigh approximately 8,330 pounds
b. The volumetric capacity of the water tank is approximately 133 cubic feet
c. The volumetric capacity of the water tank is approximately 3,785 liters
d. All of the above are true
d. All of the above are true
1,000 gallons x 8.33 pounds per gallons = 8,330 pounds
1,000 gallons ÷ 7.5 gallons per cubic foot = 133 cubic feet
1,000 gallons x 8.33 pounds ÷ 2.2 pounds per kilogram = 3,785 kg
Note: 1 liter = 1 kilogram therefore, 3.785 liters = 1 gallon
Fill in the blank:
The volumetric capacity of a 5-foot diameter half-sphere is ______ gallons.
245
0.2618 x 5 x 5 x 5 = 32.7 cubic feet x 7.5 = 245.25
Fill in the blank:
The total weight of a water filled 21-foot length of 2-inch Schedule 40 steel pipe is ______ pounds.
108
1.453 + 3.690 = 5.143 x 21 = 108 pounds
Fill in the blank:
The total weight of a water filled 10-foot length of 4-inch Schedule 40 steel pipe is ______ pounds.
164
5.512 + 10.9 = 16.412 x 10 = 164 pounds
Fill in the blank:
A contractor has several lengths of Schedule 40 steel pipe remaining after completing a project. The contractor lists all remaining lengths to be picked up from the project.
2 - 10’ lengths of 2” pipe
7 - 21’ lengths of 2” pipe
3 - 10’ lengths of 3” pipe
4 - 21’ lengths of 3” pipe
12 - 4’ lengths of 1” pipe
The weight of the Schedule 40 steel pipe to be picked up from the project is ______ pounds.
1,570
2 x 10 x 3.690 =73.80 7 x 21 x 3.690 =542.43 3 x 10 x 7.660 =229.80 4 x 21
x 7.660 =643.44 12 x 4 x 1.690 =81.12 1,570.59
Fill in the blank:
When multiplying decimeters times decimeters times decimeters, the end result is ______.
10, 100 or 1,000
3 dimensional is cubic volume
Fill in the blank:
A waste oil tank that is 3’3” in diameter and is 6’4” long, will hold ______ gallons of waste oil.
391
V = .0408 x D” x D” x H” .0408 x 39 x 39 x 6.33 V = 392.82
Fill in the blank:
A lead roof boot with a 5-inch hole that is 18 inches high and has a flat plate area of 18”x18” requires ______ square feet of lead to make.
4.1
Cylinder = 18 x 3.14 x 5 = 282.”
Plate = 18 x 18 = 32”
Subtract hole 3.14 x 2.5 x 2.5 = 19.” 282.6 + 324 – 19.6 = 58 587 ÷ 144 = 4.08
Fill in the blank:
A run of pipe that is 60 feet long with a grade of ¼-inch fall per foot will drop ______ far.
15
60 x .25 = 15”
Which word is described by the following definition?
Water at a temperature greater than or equal to 110 degrees F.
hot water
Fill in the blank:
Separate restroom facilities shall not be required for structures or tenant spaces with a total occupant load of ______ or fewer people.
15
True or False:
No fee or penalty will be applied if plumbing work commences before approval, as long as a permit will be acquired later.
False
What is the grease retention capacity for an interceptor with a flow through rate of 20 gpm?
40 pounds
Fill in the blank:
Vent terminals shall not be within ______ feet horizontally from any opening in the building such as windows, doors or air intakes.
10
What is the minimum drain size for a lavatory?
1 1/4”
Fill in the blank:
The cold water supply to a water heater shall be provided with a ______ located near the equipment.
valve
What is the minimum fixture water supply pipe size for a urinal with flushometer valve?
3/4”
What is the minimum number of sets of construction documents that should be submitted?
two
Fill in the blank:
In bearing walls, a stud shall not be bored in excess of ______ percent of its depth.
40
True or False:
The discharge pipe serving a temperature and pressure relief valve shall have a threaded connection at the end of the pipe.
False
Fill in the blank:
The size of roof drains shall be based on the ______-year rainfall rate indicated on Figuresin the IPC.
100
What is the gallon per minute capacity of a vertical leader that is 1 1/2” x 2 1/2”?
30
True or False:
A code official can approve an alternative design, material or method not prescribed in the code.
True
What is the required pipe size for a vertical stack with the discharge from one branch interval carrying 300 drainage fixture units?
6”
Which word is described by the following definition?
A vertical measurement of distance, 8 feet or more in developed length, between the connections of horizontal branches to a drainage stack.
branch interval
Solve for the gallon per minute for a roof surface that is 12,000 square feet at a location with 1.5 inches of rainfall intensity per hour.
187
What is the minimum slope for a horizontal pipe that is 3 inches in diameter?
1/8” per foot
What is the maximum vertical distance for a combination waste and vent system?
8 feet
What is the minimum number of lavatories required for a male restroom in a stadium?
1 per 200 persons
What is the maximum travel distance to a toilet facility in a covered mall?
300 feet
True or False:
Bottle establishments shall provide an interceptor capable of separating broken glass from drainage waste.
True
What is the minimum height for a scupper opening in a parapet wall?
4”
Fill in the blank:
If rock is encountered in a trench, the rock must be removed not less than ______ inches below the installation level of the pipe.
3”
What is the maximum distance for a trap arm for a 1 1/2” trap with 1/4” per foot grade?
6 feet
Fill in the blank:
When testing drainage and vents with a water test, the system shall hold pressure for not less than ______ minutes.
15
Which situation does not require testing for inspection?
a. installation of new plumbing systems
b. alteration of existing plumbing systems
c. temporary plumbing equipment for exhibition purposes
d. replacement of water piping system
c. temporary plumbing equipment for exhibition purposes
What is the minimum depth for a storm or ground water sump pit?
24”
Fill in the blank:
Oil separators shall have a depth of not less than ______ feet below the invert of the discharge drain.
2
What is the minimum flow pressure in psi for a drinking fountain?
8
What is the minimum access width for a shower compartment?
22”
True or False:
Grease laden waste from individual dwelling units or private living quarters shall be discharged into a grease interceptor or separator.
False
True or False:
Traps are required to be protected from freezing.
True
True or False:
Air admittance valves for sanitary drainage systems are permitted to serve fixtures on different floors.
False
True or False:
Hot water circulation shall be connected to the tank in a manner that will provide proper circulation through the tank.
True
When disinfecting potable water systems with chlorine concentration of 200 PPM, how long shall the chlorine stand in the system?
3 hours
Fill in the blank:
The termination of a drain from a water heater pan shall not be less than ______ inches above the place of termination.
6”
Which word is described by the following definition?
A water supply pipe or system of pipes installed and maintained by a city, township, county, public utility company or other public entity.
water main
Which waste discharge is NOT required to be connected to an interceptor or separator?
clear water waste
Fill in the blank:
Pipe, tube and fittings sizes are required to be expressed in ______ sizes.
nominal
Which of the following is NOT required to discharge through an indirect waste connection?
a. free standing tub drain
b. clear-water waste from water treatment unit
c. humidifier
d. dishwasher
a. free standing tub drain
Fill in the blank:
Structures equipped with plumbing fixtures shall be provided with ______ water in the amounts and pressures specified by chapter 6.
potable
Fill in the blank:
Holes bored in solid lumber joists shall not be within ______ inches of the top or bottom of the joist.
2
What is the minimum horizontal hanger spacing for 3/4” PEX tubing?
32 inches
What is the minimum pipe size for a water service pipe?
3/4”
True or False:
Floor drains in a multilevel parking structure that are connected to a building storm sewer are not required to be trapped.
True
Which is not one of the responsibilities of the code official?
a. enforce the code
b. interpret the code
c. originate code requirements
d. clarify the application of code
c. originate code requirements
Which word is described by the following definition?
That which enables a fixture, appliance or equipment to be directly reached without requiring the removal or movement of any panel, door or similar obstruction and without the use of a portable ladder, step stool or similar device.
ready access
Nonflammable medical gasses shall be installed, tested and labeled in accordance with which code?
NFPA 99
Fill in the blank:
Hot water distribution pipe and tubing shall have a pressure rating of not less than ______ psi at 180 degrees F.
100
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 the drainage fixture unit value for an emergency floor drain?
1
True or False:
Water heaters using gas fuel shall be installed in a room used as a plenum.
False
True or False:
Plumbing systems that existed before the code was adopted which do not meet current code requirements shall be removed and replaced.
False
Fill in the blank:
The horizontal distance from the fixture outlet to the trap weir shall not exceed ______ inches.
30”
What is the minimum flow rate in gallons per minute for a bathtub?
4
True or False:
The flow through the primary roof drain system shall be considered when sizing the secondary roof drain system.
False
What is the minimum pipe size for a water heater pan drain?
3/4”
True or False:
Preinstallation video recording is not required for building drain relining.
False
Fill in the blank:
Standpipes intended for indirect waste shall not extend more than ______ inches above the trap weir.
42”
Fill in the blank:
Water heaters shall be located so as to provide ______ for observation, maintenance, servicing and replacement.
access
What is the minimum distance from any fixture to a side wall or partition?
15”
Fill in the blank:
For a percolation rate of 0 to less than 10, the design load factor for a subsurface greywater absorption system shall be ______ gallons per square foot per day.
1.2
Fill in the blank:
Cleanouts for building sewers smaller than 8 inches shall have cleanouts at intervals not more than ______ feet apart.
100
Fill in the blank:
Sidewall vent terminations shall be not less than ______ feet above the highest adjacent grade.
10
Which device is for use in backs siphonage situations only?
anti siphon-type fill valves for gravity water closet flush tanks
True or False:
Pipe, fittings, fixtures, materials and devices are required to bear identification of the manufacturer.
True
What is the minimum horizontal spacing between urinal partition walls?
30”
How many gallons per day are calculated per occupant for each lavatory when sizing a subsurface greywater soil absorption system?
25
What is the minimum vertical hanger spacing for ABS pipe?
10 feet
What is the overflow pipe diameter for a water supply tank with a supply line capacity of 300 gpm?
4”
Which word is described by the following definition?
One-way valve designed to allow air into the plumbing drainage system when negative pressures develop in the piping system.
air admittance valve
What size is the horizontal gutter if the slope is 1/8” per foot and the flow rate is 235 gpm?
8”
Fill in the blank:
When testing water supply systems using air pressure, the system shall hold pressure for not less than ______ minutes.
15
What is the vent pipe size for a drainage system serving a 3” stack carrying 12 DFU with a developed length of 30 feet?
1 1/2”
What is the minimum length for a floor mount toilet compartment partition?
60”
True or False:
Non potable water storage tanks are required to be protected from sunlight.
True
Fill in the blank:
Atmospheric type vacuum breakers shall be set not less than ______ inches above the flood level rim of the fixtures.
6
What pipe size is required for a building drain carrying 500 DFU if the pipe has 1/8” per foot slope?
6”
What size of storm drain pipe should be installed for a horizontal roof drain that has a slope of 1/4” per foot and a gallon per minute flow of 250 gpm?
6”
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 water seal depth requirement for a sand interceptor?
6”
True or False:
The provisions of this code shall apply to the repairs of plumbing systems.
True
How far below the frost line should pipes be installed when buried below the ground?
6 inches
What is the maximum DFU for a wet vent serving a 2” drain?
4
What is the minimum distance for a rainwater storage tank from a lot line?
5 feet
Fill in the blank:
______ inspection shall be made after excavation and bedding of piping installed, and before backfill.
Underground
True or False:
Conductor pipes shall not be used as soil, waste or vent pipes.
True
Fill in the blank:
The vent system provides the admission or emission of air so that the trap seal of any fixture will not be subject to a pressure differential of more than ______ water column.
1”
What is the drainage fixture unit value for a private water closet using 1.6 gallons per flush?
3
Fill in the blank:
Temperature relief valves are to be installed in the top ______ inches of the tank served.
6
Fill in the blank:
The sump pit shall not be installed more than ______ inches below the floor level.
2”
Fill in the blank:
Storm water is permitted to discharge onto flat areas such as streets or lawns provided that the storm water flows ______ the building.
away from
Fill in the blank:
When installed in an attic, water heaters shall be provided with a passageway not more than ______ feet in length.
20
Once a permit is issued, how long is it valid?
180 days
Fill in the blank:
The discharge pipe from the trap seal primer valve shall connect to the trap ______ the trap seal.
above
What is the maximum water temperature for a bathtub?
120 Degrees F
Fill in the blank:
Drain valves shall be installed at the ______ of each tank type water heater.
bottom
What size cleanout is required for a 4” pipe?
4”
What is the minimum pipe size for a urinal branching vertically from a horizontal branch in a single stack vent system?
3”
Which code contains information about maintenance and operations of nonflammable medical gas systems and nonmedical oxygen systems?
International Fire Code
Exhaust terminations for vacuum systems shall comply with which code?
International Mechanical Code
Fill in the blank:
Non Potable water used for water closet applications shall be filtered by a ______-micron or finer filter.
100
What is the minimum diameter for a manhole to a non-potable water storage tank?
24 inches
What is used to determine if a filter on a non-potable water system needs to be replaced?
pressure gauge
Fill in the blank:
Outlets from a non-potable water reuse storage tank shall be not less than ______ inches above the bottom of the tank.
4
Fill in the blank:
Roof gutter for collection of rainwater shall be tested by pouring not less than ______ of water into the end of the gutter opposite of the collection point.
1 gallon
How many gallons per day are calculated per occupant for each shower when sizing a subsurface greywater soil absorption system?
25
What is the minimum number of percolation tests required in each system for a subsurface greywater soil absorption system?
3
Fill in the blank:
For sandy soils, the percolation test procedure requires that the second and subsequent filling of the hole be not more than ______ inches of water.
6
Fill in the blank:
When performing a percolation test on soils other than sand, the water level in the hole shall be measured every ______ minutes for a period of 4 hours.
30
Fill in the blank:
For a percolation rate of 45 to 60, the design load factor for a subsurface greywater absorption system shall be ______ gallons per square foot per day.
0.4
What is the maximum width for a seepage trench excavation?
5’
What is the minimum size distribution pipe for a subsurface greywater soil absorption system?
3 inches
What is the minimum horizontal dimension for a percolation test hole?
4 inches
