1.
To calculate the size of vertical conductors, leaders and horizontal storm drainage piping required, ________ of any vertical wall area that diverts rainwater to the roof must be added to the calculations for projected roof area.
2.
What device is used to prevent substances detrimental to the sewer system from being discharged into the drainage system?
3.
If a trap depends on moving parts to keep a seal, it must be:
4.
If a vent system uses an air admittance valve, at least ________ stack vent or vent stack must extend to open air outdoors within each plumbing system.
5.
If a combination drain and vent system connected to a building drain only receives the discharge from a stack or stacks, it must have a dry vent provided. The connection of the vent to the combination drain and vent pipe must extend vertically to at least ________ above the flood level rim of the highest vented fixture before a horizontal offset.
6.
A maximum slope of one-half unit vertical in ________ units horizontal (4 percent slope) is allowed for a horizontal combination drain and vent system.
7.
If horizontal grab bars are to be mounted in toilet or bathing facilities, they must be mounted at a minimum height of ________ inches above the floor to the top of the gripping surface.
8.
When a permit is issued under the provisions of the IFGC by a code official, if the authorized work is not started within ________ days, then the permit is null and void.
9.
For gaseous hydrogen systems, if a test requires a pressure of over 100 psig, the testing gauge must have increments of no more than ______ psi.
10.
For a single stack vent system, the maximum developed horizontal length between a stack and a fixture other than a water closet is:
11.
Which of the following is NOT permitted for island fixture venting?
12.
A 3-inch horizontal drain which is part of an approved computerized drainage system design must have a slope of at least ___________.
13.
What is the maximum number of drainage fixture units allowed for a building drain or sewer system with a 8-inch building drain pipe with a slope of 1/2 per foot, including all branches?
14.
When sizing a sanitary drainage system stack with an upper horizontal branch connecting to the stack with 13 dfu, a middle horizontal branch connecting to the stack with 15 dfu, and a lower horizontal branch connected to the stack with 19 dfu, what is the minimum size of the stack?
15.
To minimize the possibility of an interruption in the water supply, even if a water service pipe or water main fails, all hospitals must have a minimum of ________ installed.
16.
When an approved a water pressure-reducing valve with strainer shall be installed to reduce the pressure in the building water distribution piping to not greater than _________ static.
17.
When the developed length of the distribution line is no more than 50 feet and the metered available pressure is at least 35 psi, the minimum size of an individual distribution line for water supply piping for a kitchen sink is ________ inch when supplied from a manifold and installed as a part of a system for parallel water distribution.
18.
What is the minimum depth for a water heater pan?
19.
The waste outlet of a lavatory must have a diameter of not less than:
20.
Which of the following is not required to have a waste connection?
