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WorksheetsINTERNATIONAL FUEL GAS CODE (Part 2)
Total questions: 28
Worksheet time: 14mins
CHAPTER 5: CHIMNEY & VENTS -
501.1 General :Scope
The construction, repair, maintenance and approval of masonry chimneys shall be regulated by the International ________________ Code .
Houses
Building
Repair
Maintenance
CHAPTER 4 : GAS PIPING AND INSTALLATION
416 : Overpressure Protection Device
For appliance designed to operate at 14 inches w.c. or less, overpressure protection devices are required only if the service supply pressure exceeds _________psi.
1 psi
2 psi
3 psi
4 psi
CHAPTER 4 : GAS PIPING INSTALLATIONS
415.1 - Support of Piping
The maximum spacing between hangers supporting ¾ -inch steel gas piping is _________ feet.
6 feet
7 feet
8 feet
9 feet
CHAPTER 4 : GAS PIPING INSTALLATION
413.4.3 Compressed Natural Gas Motor Vehicle Fuel-Dispensing Facilities
Where residential compressed natural gas (CNG) fueling appliances are located indoors, a methane gas detector shall be located within____________ inches of the highest point of the room or space.
3 inches
5 inches
6 inches
9 inches
CHAPTER 4 : GAS PIPING INSTALLATIONS
SECTION 412-Liquefied petroleum gas motor vehicle fuel-dispensing facilities
Self-service LP-gas motor vehicle dispensing systems shall be provided with an emergency shutoff switch located within _________feet of but not less than________ feet, from dispensers.
100 feet, 20 feet
150 feet, 20 feet
100 feet, 25 feet
150 feet, 25 feet
CHAPTER 4 : GAS PIPING INSTALLATION
413.3.4 - Residential Fueling Installations
For residential CNG fueling appliances installed indoors, the capacity shall not exceed ___________ standard cubic feet per minute of natural gas.
3
4
5
6
CHAPTER 4 : GAS PIPING INSTALLATIONS
406. - Inspection, Testing and Purging
The highest end of the scale for mechanical gauges used to measure test pressures must not be greater than ________ times the test pressure.
3 times
5 times
10 times
15 times
CHAPTER 4 : GAS PIPING INSTALLATIONS
406 - Inspection, Testing and Purging
The test pressure for gas piping shall be not less than 1 ½ time the proposed maximum working pressure, but not less than ________psig, irrespective of design pressure.
3 psig
55 psig
100 psig
125 psig
CHAPTER 2 : DEFINITIONS
202 - General Definition
The installation of pipe, valves or fittings installed on a premise or in a building and utilized to convey fuel gas.
Fuel Piping
Water Piping
Gas Piping
Air Piping
CHAPTER 2 : DEFINITIONS
202 - General Definitions
Any location is considered to be a fire hazard for flammable vapors, dust, combustible fibers or other highly combustible substances.
Hazardous Location
Dangerous Place
Prohibited Location
Uninhabitable Location
CHAPTER 3 : GENERAL REGULATIONS
305 - Installations
Appliances located in public garages, motor fuel-dispensing facilities, repair garages or other areas frequented by motor vehicles shall be installed a minimum of ________feet above the floor.
12 feet
10 feet
8 feet
6 feet
CHAPTER 2 : DEFINITIONS
202- General Definitions
A metal-to-metal compression ___________ in which a conical spread is made on the end of a tube that is compressed by a _________ nut against a mating flare.
joint,
flare
joint,
flame
bonded,
flare
bonded,
flake
CHAPTER 3 : GENERAL REGULATIONS
306 - Access and Service Space
Where obtaining outdoor combustion air through horizontal ducts, each opening shall have a minimum free area of not less than 1 square inch per ________ Btu/h of total input rating of all appliance closure.
2000 Btu/h
2500 Btu/h
3000 Btu/h
4000 Btu/h
CHAPTER 3 : GENERAL REGULATIONS
304 - Combustions, Ventilations and Dilution
For indoor combustion air, the volumes of spaces in different stories shall be considered as ___________ ___________ where connected by openings indoors or floors having a total minimum free area of 2 square inches per 1,000 Btu/h of total input rating of all appliances
Communicating Spaces
Combining Spaces
Conducting Spaces
Contributions Spaces
CHAPTER 3 : GENERAL REGULATIONS
304 - Combustion, Ventilations and Dilution
One permanent opening for obtaining outdoor combustion air shall have a minimum free area of 1 square inch per ________Btu/h of the total input rating of all appliances located in the enclosure.
1000 Btu/h
2000 Btu/h
3000 Btu/h
4000 Btu/h
CHAPTER 3 : GENERAL REGULATIONS
304 : Combustions, Ventilations and Dilution
Outdoor combustion air provided by a mechanical air supply system requires a supply rate not less than ________ cubic feet per minute per 1000 Btu/h of total input rating of all appliances located within the space.
0.25 cubic
0.35 cubic
0.45 cubic
0.55 cubic
CHAPTER 3 : GENERAL REGULATIONS
304 - Combustions, Ventilations and Dilution Air
Each of the appliances shall be __________with the mechanical combustions air supply system to prevent main burner operation when the mechanical air supply system is not in operation
interconnected
interlocked
international
intercom
CHAPTER 3: GENERAL REGULATIONS
304 - Combustion, Ventilations, and Dilution Air
The standard method for calculating indoor combustion air cannot be used where the air infiltration rate is known to be less than ______________ air changes per hour (ACH).
0.30
0.40
0.50
0.60
CHAPTER 4 : GAS PIPING INSTALLATIONS
403 - Piping Materials
For flanged joints, materials for __________ shall be capable of withstanding the design temperature and pressure of the piping system and the chemical constituents of the gas being conducted.
gaskets
bolts
valves
fittings
CHAPTER 4 : GAS PIPING INSTALLATIONS
403 - Piping Materials
Field drilled and tapped pipe fittings are permitted under limited conditions when the work is performed by the ____________ _____________.
foreman instructions
manager instruction
company supplier
gas supplier
CHAPTER 4 : GAS PIPING INSTALLATIONS
403 : Piping Materials
The maximum size of a metallic threaded fitting is ___________ inches.
4 inches
5 inches
6 inches
7 inches
CHAPTER 4 : GAS PIPING INSTALLATIONS
403- Piping Materials
The type of metallic piping joint used shall be suitable for the ________________- ______________ conditions.
mechanical strength
press connect
Pressure temperature
pressure expansion
CHAPTER 4 : GAS PIPING INSTALLATIONS
403 - Piping Materials
Pipe, tubing and fittings shall be free from cutting burrs and ______________ in structure or threading, and shall be thoroughly brushed, and chip and scale blown.
defects
good quality
useful
dangerous
CHAPTER 4 : GAS PIPING INSTALLAMENTS
403: Piping Materials
_________ _________ and __________ __________ __________ plastic pipe, tubing and fitting shall not be used to supply fuel gas.
polyvynil chloride (PVC)
Chlorinated polyvynil chloride (CPVC)
Molecularly Oriented PVC
(PVC-O)
High Impact PVC (PVC-Hi)
CHAPTER 4 : GAS PIPING INSTALLATIONS
403: Piping Materials
_________ - _____________ pipe shall not be use for gas piping.
wrought iron
cast iron
alloy
copper
CHAPTER 3 : GENERAL REGULATIONS
305 - Installations
Equipment and appliance having an ignition source shall be elevated such that the source of ignition is not less than____________ inches above the floor in hazardous locations and public garages, private garages, repair garages, motor fuel-dispensing facilities and parking garages.
12
15
18
21
CHAPTER 2 : DEFINITIONS
202 : General Definitions
A completely self-contained appliance for heating air through metal to the air, and designed to supply heated air through ducts to spaces remote or adjacent to the appliance location.
furnace
furnace central
furnace enclose
furnace plenum
CHAPTER 2 : DEFINITIONS
202 : General Definitions
An air compartment or chamber to which one or more ducts are connected and that forms part of an air distribution system.
furnace
furnace central
furnace plenum
furnace enclosed
