NM LP-3S RETAIL SALE OF LP GAS
CERTIFICATION EXAMINATION TEST 2026
◉ What is the minimum height required above a garage floor for the
burners and other possible ignition sources on a warm air furnace ?
Answer: 18 "
◉ What is governed by NFPA # 58 Answer: containers , piping and
equipment used to deliver LP - gas for use as a fuel highway
transportation of LP - gas the design , construction , installation , and
operation of marine and pipeline terminals that receive LP - gas
◉ What is the color coding for propane gas piping ? Answer: light
green
◉ Natural gas and propane piping must be labeled Answer: at a
minimum of every 10 feet at all changes of directions at every gas
shutoff valve
◉ On an installation with dual fuels , you must obtain written
permission from : Answer: local fire officials and applicable utilities
✓
, ◉ the minimum depth below grade of CSST used underground is
Answer: 18 " ✓
◉ On CSST tubing of 1.5 and 2 inches having a UV stabilized jacket ,
tubing materials appropriate for outdoor conditions and attached by
an appropriate method to the roof structure . Blocks are to shall be
supported on blocks constructed of be spaced not more than ____
inches apart . The method used to attach the CSST to the block shall
not damage the plastic coating Answer: 48
◉ On CSST tubing Under 1.5 inch Support : Answer: Continuously on
rail, rail shall be supported every 6'
◉ On rooftop units ( or similar ) , the maximum length of CSST
tubing not supported shall not exceed ____ inches Answer: 30
◉ On gas pressure boosters , a pressure regulator shall be provided
to maintain a constant outlet pressure and be installed immediately
downstream of the booster except when the pressure booster is
equipped with an integral pressure regulator Answer: True
◉ The following is required when utilizing gas pressure boosters :
Answer: Must meet product acceptance requirements The serving
gas supplier has written authorization must be located in well
ventilated spaces and be accessible for examination , maintenance or
replacement
CERTIFICATION EXAMINATION TEST 2026
◉ What is the minimum height required above a garage floor for the
burners and other possible ignition sources on a warm air furnace ?
Answer: 18 "
◉ What is governed by NFPA # 58 Answer: containers , piping and
equipment used to deliver LP - gas for use as a fuel highway
transportation of LP - gas the design , construction , installation , and
operation of marine and pipeline terminals that receive LP - gas
◉ What is the color coding for propane gas piping ? Answer: light
green
◉ Natural gas and propane piping must be labeled Answer: at a
minimum of every 10 feet at all changes of directions at every gas
shutoff valve
◉ On an installation with dual fuels , you must obtain written
permission from : Answer: local fire officials and applicable utilities
✓
, ◉ the minimum depth below grade of CSST used underground is
Answer: 18 " ✓
◉ On CSST tubing of 1.5 and 2 inches having a UV stabilized jacket ,
tubing materials appropriate for outdoor conditions and attached by
an appropriate method to the roof structure . Blocks are to shall be
supported on blocks constructed of be spaced not more than ____
inches apart . The method used to attach the CSST to the block shall
not damage the plastic coating Answer: 48
◉ On CSST tubing Under 1.5 inch Support : Answer: Continuously on
rail, rail shall be supported every 6'
◉ On rooftop units ( or similar ) , the maximum length of CSST
tubing not supported shall not exceed ____ inches Answer: 30
◉ On gas pressure boosters , a pressure regulator shall be provided
to maintain a constant outlet pressure and be installed immediately
downstream of the booster except when the pressure booster is
equipped with an integral pressure regulator Answer: True
◉ The following is required when utilizing gas pressure boosters :
Answer: Must meet product acceptance requirements The serving
gas supplier has written authorization must be located in well
ventilated spaces and be accessible for examination , maintenance or
replacement
