The mechanical provisions of the International Residental Code are applicable to one and two family dwellings and townhouses a maximum of ___ stories above the grade plane in height.
When requirements for propper operation of a proposed mechanical system are not specifically covered by the code, such requirements shall be determined by ________.
The code official
In order for an alternative material, design or method of construction to be considered acceptable, it must be equivalent to the code based on all but which of the following criteria?
The _______ shall beresponsible for scheduling of inspections.
Holder of the permit
Mechanical systems shall be tested, with such tests made by the permit holder and observed by the _______.
A mechanical system that constitutes a fire or health hazard shall be declared __________.
An unsafe system
Heating, ventilating and air conditioning systems shall be designed and installed for efficient use of energy in accordance with ____________.
International Energy Conservation Code
Bored holes for the installation of piping shall be located at least ___ from the top or bottom of a solid wood joist.
Notches in the top or bottom of a solid wood joistare limited to ____________ of the depth of the joist.
Appliances shall not be installed in a location where they may be damaged unless they are ___________.
Protected by aproved barriers
When located in a repair garage, appliances with an ignition source shall be elevated such that the ignition source is a minimum of ______ above the garage floor.
Unless protected from impact, appliances located in private garages shall be installed with a minimum clearance above the floor of _____________.
The maximum horizontal spacing of supports for 3/4" CPVC tubing shall not exceed 3' on center.
Furnaces having a firebox open to the atmosphere shall have at least __________ of working space along the front combustion chamber side.
In other than a dwelling unit, a door and an unobstructed hallway measuring a minimum of ______ in width and 80" in height shall be provided for access to an appliance locatedin a room.
Permenant access is required to an appliance installed on a roof that is located more than ____ above the access surface level below.
Condensate piping serving fuel burning condensing appliances shall maintain a minimum horizontal slope of ____ unit vertical in 12 units of horizontal travel.
Exhaust outlets for enviornmental air exhaust openings shall be located a minimum of ________ from adjacent property lines.
401.4 xcpt 2
Where exterior openings are utilized for obtaining the required ventilationair, the minimum openable area to the outdoors shall be __________ of the floor area being ventilated.
Ventilation supply systems shall deliver the required rate to the occupied zone, which extends to _____ from the enclosing walls.
Unless prohibited by table 403.3 , air transferred from occupied spaces may serve as __________ air for required exhaust systems in kitchens.
For ventilation purposes beauty shops shall be provided with a minimum 25 cubic feet of outdoor air per person.
A 1,000 square foot street level retail sales space shall be provided with a minimum of 600 cfm of outdoor ventilation air.
Automatic operation of a ventilation system serving an enclosed parking garage shall not reduce the ventilation rate below ______ cfm per square foot of floor area.
Mechanical ventilation systems shall be provided with __________ controls that will operate such systems whenever the spaces are occupied.
Either manual or automatic.
Assuming a worst case event during the simultaneous boost charging of all VRLA batteries installed in a cabinet, the ventilation system shall be designed to limit the maximum concentration of hydrogen to __ of the volume of the cabinet.
In dry-cleaning rooms, the exhaust system for a type II dry-cleaning system shall be designed to provide an exhaust air flow rate of _____ cfm per square foot of the floor area.
Compressed medical storage gas cabinets shall be connected to an exhaust system having a minimum average velocity of ventilation at the face of access ports of _____ feet per minute.
clothes dryer installations exhausting more than ____ cfm shall be provided with makeup air.
In general, domestic clothes dryers exhaust ducts shall have a maximum length of ___ measured from the dryer to the outlet terminal.
Duct insulation for makeup air duct shall be installed a minimum of ___ from a Type I hood, unless the insulation is noncombustible or listed for the application.
Grease duct systems serving a Type I hood shall be designed to provide a minimum air velocity within the system of ___ ft. per min.
In general, a grease duct system serving a Type I hood shall have a minimum clearance from combustible construction of ____.
Horizontal grease ducts serving kitchen hoods shall have cleanouts spaced at a maximum of __ intervals.
Hazardous exhaust systems shall be designed and operated such that the flamable contaminants are diluted in the exhaust flow to below ______ of thier lower flamability limit.
Hazardous exhaust ducts shall be supported at maximum intervals of ____.
The provisions for smoke control are intended for __________.
creating a tenable egress enviornment
Ducts and air transfer openings utilized as portions of a smoke control system are required to be protected with a minimum Class II, ____ smoke damper.
250 degrees farenheidt
Corridors are permitted to be used to convey return air when they are located within tenant spaces of ____ square feet or less in area.
601.2 xcpt 3
Materials exposed within plenums shall be noncombustible or have a maximum flame-spread rating of ______.
What is the maximum permitted length of a flexible air duct?
Unless provided with an approved protective coating, metalic underground ducts shall be completely encased in a minimum of ___ of concrete
Where installed within a single dwelling unit, exposed rectangular galvanized galvanized steel ducts shall be a minimum of No. 28 guage.
Flexible air connectors shall be limited in length to a maximum of ______.
Generally, ducts shall be supported with approved hangers at a maximum intervals of ____.
A fire damper protecting a duct penetration of a 2 hour fire resistant rated wall assembly shall have a minimum fire protection rating of ___ hours.
Smoke dampers shall have a minimum leakage rating of Class __.
Fire dampers are not required at shaft penetrations where steel subducts extend a minimum of ___ vertically in the exhaust shaft and there is continous upeard airflow to the outside.
607.5.5 xcpt 1.1.1
Provisions shall be made to _____ the simultaneous operation of mechanical exhaust systems, fireplaces and other equipment operating in the same space where combustion air is being drawn.
For combustion air to be drawn from an attic, a minimum clear vertical height of _____ is required at the attics highest point.
Where all of the combustion and dilution air is obtained from indoors, openings for additional combustion and dilution air from adjacent spaces shall be a minimum of ___ square inches.
Where all combustion and dilution air is drawn from outdoor air, the minimum net free area of direct openings shall 1 square inch per _____ Btu/h.
How many appliance enclosures shall be served by a single combustion air duct?
708.1 xcpt 5
Combustuion air ducts shall have a minimum cross-sectional dimension of ______.
Metal louvers covering combustion and dilution openings shall be deemed to have a net free area of ____ of the area of the opening.
In other than residential occupancies, a screen protecting an outdoor intake opening for combustion air shall have a maximum opening size of ___.
710.1 and Table 401.5
Gas fired appliances shall be vented in accordance with the _________.
International Fuel Gas Code
Chimneys or vents shall be designed for the _________.
Type of appliance being vented
Except where reduction is permitted by Section 308, a nonlisted chimney connector serving a medium heat appliance must be provided with a minimum clearanceof ___ to combustibles.
Type L vents shall terminate a minimum of ___ above the highest point of roof penetration.
The minimum required thickness of a 6" diameter chimney connector for a low heat appliance is NO. __ guage.
In general, vents shall terminate a minimum of ____ vertically above the highest connected appliance flue collar.
Appliances using forced air draft venting systems shall be located so that a minimum clearance of ___ is maintained between vent terminals and any openings into the building.
Where a termination of a vertical vent occurs below an adjascent roof structure, the termination point shall be located a minimum of ___ from such structure.
Fireplaces and solid fuel burning appliances shall not be installed in ______.
An unvented gas log heater may be installe in a factory built fireplace where the _____.
fireplace is labeled and listed for such use.
Factory built barbeque appliances shall be of an approved type and installed in accordance with the International ________ Code.
Unless adequately seperated horizontally, plume discharges from cooling discharges shall be a minimum of ____ above any ventilation inlets to a building.
Drains, overlows and blowdown provisions for cooling towers shall be _____ connected to an approved disposal system.
What is the minimum required size of a hearth extension for a factory built fireplace?
as set forth in the fireplace listing
Sauna heaters shall be equiped with a thermostat that will limit room temperature to a maximum of _____.
Unless specified differently by the furnace manufacturer's installation instructions, the minimum total area of supply ducts froma forced air warm air shall be a minimum of __ square inches for each 1000 Btu/h output ratingcapacity of the furnace.
In general,return air for a forced air heating system is permitted to be obtained from which of the following areas?
Unless the outlet is 3 feet above the outdoor air inlet, return air for a forced air heating system shall be taken from a location a minimum of ____ from the discharge outlet of an exhaust fan.
The provisions of the International Mechancal Code Chapter 10 do not apply to which of the following types of appliances or equipment?
1001.1 xcpt 3
medical gas containers
All water heaters shall be capable of being removed without ______.
removing permenant construction
Where a combination of potable water heating and space heating system requires water for space heating with a temp of higher than ____, a temperature actuated mixing valve shall be provided.
In order to provide working clearances, passageways around all sides of boilers shall have a minimum unobstructed width of ___ unless otherwise approved.
Every steam boiler shall have a _______ and a _______.
water guage glass, pressure guage
In the installation of a boiler, valves shall be located on ______ of a safety or relief valve.
High pressure steam safety valves for boilers shall be vented to ______.
the outside of the structure
Steam blowoff valves shall discharge to ____.
a safe place of disposal
Open-type hot water boiler expansion shall be located a minimum of ___ above the highest heating element.
Ethane, identified as R-170, is classified as
a(n) ____ refrigerant.
For the purpose of regulating refrigerating systems, large mercantile occupancies are defined as those facilities where more than ___ persons congregate to purchase personal merchandise
In the mechanical ventilatin of a machinery room, an exhaust system shall be discharged a minimum of ___ from a property line or any openings to a building.
In other than industrial occupancies, which one of the following rrefrigerants is prohibited from use in high probability systems for air conditioning for human comfort?
Fucible plugs and purge systems located within a machine room shall terminate outside of the structure at a location a minimum of ____ above the adjoining grade level.
Minimum schedule 40 carbon steel pipe with a maximum diameter of ___ shall be used for group A1 or B1 refrigerant liquid lines.
Annealed copper tube used in refrigernat piping is limited to a maximum size of ____ in diameter.
In general, all systems containing more than ___ of a refrigerant in sustems using positive displacement compressors shall be provided with stop valves.
Where used in a refrigerant piping system, stop valves used with soft annealed coper tubing or hard drawn copper tubing having a maximum OD standard size of ___shall be securely mounted, independent of tubing or supports.
A certificate of test shall be provided for all systems containing a minimum of __ lbs. of refrigerant.
PB plastic tubing in a hydronic piping system shall comply with ASTM standard _____.
Piping for hydronic shall be sized for the ____ of the system.
Where 1" CPVC piping is installed horizontally in a hydronic piping system, it shall be supported at a maximum of ____.
1206.1 ref. Table 305.4
Mechanical joints in hydronic piping systems shall beinstalled per the _________.
Where PB piping is installed vertically in hydronic piping systems, it shall be supported at maximum intervals of ____.
1206.10 ref Table 305.4
Where the joints of copper tubing used in hydronic piping system are embedded in a portion of a building, the tubing shall be joined by brazing with filler metals having a minimum melting point of _____.
All fuel oil piping materials shall be rated for the ____ fo the system and shall be compatible with the type of liquid.
operating tempertatures and pressures
IMC Chapter 14 specifically regulates the design and installation inteded to use solar energy for heating and cooling, domesrtic hot water heating, swimming pool heating or ____ heating.
Potable water supplies to solar systems shall be protected against contamination in accordance with ______.
International Plumbing Code
Where all of the solar piping system is a part of the potable water distribution system and all components of the solar system piping are listed for potable water use, cross connection protection measures are ______.