G2 Gas Technician Module 10
Questions with 100% Correct Answers |
Verified | Latest Update 2026
The working pressure differential between the gas meter outlet and the appliance regulator
inlet at furthest appliance from meter - CORRECT ANSWERS Define pressure drop
0.5" w.c. - CORRECT ANSWERS What is the Max pressure drop >7" w.c. NG
1" w.c. - CORRECT ANSWERS What is the Max pressure drop 7" - 14" w.c. NG
After piping system is installed and before any appliance is connected to it. - CORRECT ANSWERS
When do you do a high pressure test?
1. Isolate the piping system - CORRECT ANSWERS
2. Cap or plug open ends - CORRECT ANSWERS
3. Insert a pressure gauge at one end of the system - CORRECT ANSWERS
4. Pressurize system with air or inert gas to specified test pressure. - CORRECT ANSWERS
How do you do a High pressure test
1. High pressure test prior to connecting appliance. Disconnect piping at gas meter and before appliance
valve train. - CORRECT ANSWERS
, 2. Leak test with meter and appliance connected under normal operating pressure. Use a manometer or
lowest volume test dial on meter. 10 min duration - CORRECT ANSWERS
3. Leak test using a liquid solution under normal operating pressure. Check all fittings. - CORRECT
ANSWERS
4. Can also check system with manometer in an existing system which measure in. of W.C. this is for
systems up to 14" W.C. - CORRECT ANSWERS Three tests required by code when installing
1. 3" in diameter - CORRECT ANSWERS
2. Max range shall exceed test pressure by at least 15% but less then 300% - CORRECT ANSWERS
3. Pressure gauge shall read in increments of 2psig or 2% of maximum dial reading of pressure gauge.
Whichever is less. - CORRECT ANSWERS High pressure test gauges must be:
Annex H - CORRECT ANSWERS Purging practices are located in which Annex?
The break point pointing on the same side as the appliance - CORRECT ANSWERS Manual
shut off valves shall be installed with?
Outdoor use only. - CORRECT ANSWERS What location can you install a #3.16 manual shut
off valve?
1. Type of fuel - CORRECT ANSWERS
2. Supply pressure - CORRECT ANSWERS
Questions with 100% Correct Answers |
Verified | Latest Update 2026
The working pressure differential between the gas meter outlet and the appliance regulator
inlet at furthest appliance from meter - CORRECT ANSWERS Define pressure drop
0.5" w.c. - CORRECT ANSWERS What is the Max pressure drop >7" w.c. NG
1" w.c. - CORRECT ANSWERS What is the Max pressure drop 7" - 14" w.c. NG
After piping system is installed and before any appliance is connected to it. - CORRECT ANSWERS
When do you do a high pressure test?
1. Isolate the piping system - CORRECT ANSWERS
2. Cap or plug open ends - CORRECT ANSWERS
3. Insert a pressure gauge at one end of the system - CORRECT ANSWERS
4. Pressurize system with air or inert gas to specified test pressure. - CORRECT ANSWERS
How do you do a High pressure test
1. High pressure test prior to connecting appliance. Disconnect piping at gas meter and before appliance
valve train. - CORRECT ANSWERS
, 2. Leak test with meter and appliance connected under normal operating pressure. Use a manometer or
lowest volume test dial on meter. 10 min duration - CORRECT ANSWERS
3. Leak test using a liquid solution under normal operating pressure. Check all fittings. - CORRECT
ANSWERS
4. Can also check system with manometer in an existing system which measure in. of W.C. this is for
systems up to 14" W.C. - CORRECT ANSWERS Three tests required by code when installing
1. 3" in diameter - CORRECT ANSWERS
2. Max range shall exceed test pressure by at least 15% but less then 300% - CORRECT ANSWERS
3. Pressure gauge shall read in increments of 2psig or 2% of maximum dial reading of pressure gauge.
Whichever is less. - CORRECT ANSWERS High pressure test gauges must be:
Annex H - CORRECT ANSWERS Purging practices are located in which Annex?
The break point pointing on the same side as the appliance - CORRECT ANSWERS Manual
shut off valves shall be installed with?
Outdoor use only. - CORRECT ANSWERS What location can you install a #3.16 manual shut
off valve?
1. Type of fuel - CORRECT ANSWERS
2. Supply pressure - CORRECT ANSWERS
