| I. FUNDAMENTAL KNOWLEDGE (25% of exam)
Gas Category 1: Combustion
1. Knowledge of principles of combustion
2. Knowledge of consequences of incomplete combustion Gas Category 2: Heat/Heat Protection
1. Knowledge of heat transfer principles
2. Knowledge of heat distribution methods
3. Knowledge of required clearances to combustibles
4. Knowledge of required clearances to noncombustibles
5. Knowledge of floor protection Gas Category 3:
Safety Guidelines/Consequences of Action
1. Knowledge consequences of improper installations
2. Knowledge of the causes and effects of carbon monoxide (CO)
3. Knowledge of hazardous materials
4. Knowledge of safety guidelines for installation Gas Category 4: Construction Fundamentals
1. Knowledge of basic home construction
2. Knowledge of techniques for protecting client property in the work area
3. Knowledge of construction factors that affect installation
4. Knowledge of chase construction and weatherization II. INSTALLATION KNOWLEDGE (75% of exam)
Gas Category 5. Regulation and Instructions
1. Knowledge of the relationship between codes, standards, and manufacturer
2. Knowledge of jurisdictional roles and responsibilities Gas Category 6: Fuel Delivery
1. Knowledge of gas fuel characteristics
2. Knowledge of gas line piping and fittings
3. Knowledge of gas line sizing
4. Knowledge of natural gas supply pressure
5. Knowledge of LP supply pressure Gas Category 7. Appliance
1. Knowledge of appliance types
2. Knowledge of acceptable modifications to appliance
3. Knowledge of factors affecting the choice of an appliance selection
4. Knowledge of factors affecting the choice of an appliance location
5. Knowledge of appliance installation procedure
6. Knowledge of installation compatibility for aftermarket add-ons
7. Knowledge of installation requirements for inserted appliances into prefabricated fireplaces
8. Knowledge of gas appliance categories
9. Knowledge of gas code requirements and standards
10. Knowledge of gas appliance ignition systems
11. Knowledge of basic electrical circuitry as its relates to gas appliance and accessories
12. Knowledge of natural and LP gas conversion
13. Knowledge of specialty gauges needed for gas appliance installation and service Gas Category 8: Draft and Ventilation Principles
1. Knowledge of ventilation and indoor air quality
2. Knowledge of draft principles
3. Knowledge of resistance to flow in chimney/venting systems
4. Knowledge of factors exterior to the house affecting draft
5. Knowledge of house characteristics contributing to negative pressure problems
6. Knowledge of ventilation principles Gas Category 9: Gas Venting Requirements
1. Knowledge of inspection and cleaning requirements for chimney/venting systems
2. Knowledge of purpose, use, and compatibility of chimney/venting components
3. Knowledge of chimney/venting installation procedures
4. Knowledge of vent termination requirements for gas appliances
5. Knowledge of gas venting system/chimney types
6. Knowledge of gas direct vent systems
7. Knowledge of liner systems for gas appliances
8. Knowledge of sizing requirements for gas venting systems
9. Knowledge of gas vent configurations
10. Knowledge of gas vent rise-to-run calculation
11. Knowledge of gas log set venting requirements Gas Category 10: Post Installation Inspection and Service
1. Knowledge of appliance break-in procedures
2. Knowledge of operating procedures for appliances
3. Knowledge of gas appliance safety controls and devices
4. Knowledge of gas leak safety procedures
5. Knowledge of burner control devices
6. Knowledge of maintenance requirements for gas
7. Knowledge of causes and solutions to common gas appliance performance problems
8. Knowledge of combination gas control valves and components
9. Knowledge of test and burn procedures for gas appliances
10. Knowledge of troubleshooting procedures for testing gas appliances and venting systems |
