Interior Gas Piping Safety Inspection Manual: Questions and Answers, Exams of Engineering

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INTERIOR GAS PIPING SAFETY INSPECTION

MANUAL 2024-2025. QUESTIONS &

CORRECT ANSWERS. GRADED A+

100% LEL IS EQUIVALENT TO - ANS5% GAS

A SEPERATE DEVICE MUST BE INSTALLED TO PROTECT THE SYSTEM FROM VACUUM AND? -

ANSBACKPRESSURE

A UNION BEFORE THE APPLIANCE VALVE IS CONSIDERED AN - ANSAOC

ALL GAS INSPECTIONS SHALL BE DONE WITH THE CGI AND DETECTION SET AT _______ % -

ANS0.1% GAS DETECTION

ALL PIPING AFTER THE METER OUTLET FITTING IS CALLED? - ANS"FUEL GAS", "AHJ PIPING" OR

"HOUSE" PIPING

ALL PIPING AND CONNECTIONS FROM THE POE TO THE OUTLET SIDE OF THE METER ARE

REQUIRED TO FOLLOW THE REGULATIONS SET FORTH BY? - ANSUS DOT PHMSA "PIPELINE

SAFETY & HAZARDOUS MATERIALS ADMIN" AND IN NYS ITS ENFORCEMENT ARE IS NYS PUBLIC

SERVICE COMMISSION

ALL PIPING FROM THE GAS MAIN UP TO THE OUTLET SIDE OF THE GAS METER IS REGULATED BY

WHAT AGENY? - ANSDOT PHMSA

ALWAYS CONFIRM THE _____________________ OF THE LOCATION YOU ARE AT THE

________________________ NUMBER - ANSADDRESS AND THE BIN#

ALWAYS PURGE YOUR CGI BEFORE STARTING AND INSPECTION IN A - ANSGAS FREE

ATMOSPHERE

ANY INDICATION OF GAS OR ODOR IN FREE AIR SPACE WHEN ENTERING A BUILDING IS

CONSIDERED AN EMERGENCY AND YOU MUST CALL _________? FROM A SAFE SPACE - ANS

ANY LEAK INDICATED ON THE CGI MUST BE? - ANSIMMEDIATELY NOTIFIED TO THE UTILITY

AOC IS ALSO REFERRED TO AS A - ANS"SUBSTANDARD CONDITION"

AOC MEANING? - ANSABNORMAL OPERATING CONDITIONS

BEFORE STARTING YOU INSPECTION MAKE SURE YOUR CGI CALIBRATION IS NOT

"__________________" - ANSEXPIRED

BOUNDARY CONDITION #1 REQUIRES STANDARDS THAT ARE _________________ THAN

BOUNDARY CONDITION #2? - ANSHIGHER

CAN A FLEX CONNECTOR BE USED ON A STATIONARY APPLIANCE? YES/NO - ANSNO

CGI CAN DETECT ANY COMBUSTIBLE GAS HOWEVER THE CGI WOULD HAVE TO BE -

ANSCALIBRATED FOR THAT SPECIFIC GAS

CGI IS DESIGNED SPECIFICALLY FOR LMP AND IS CAPABLE OF DETECTING BOTH ____________

AND _______________? - ANSNATURAL GAS AND CARBON MONOXIDE

CGI MEANING - ANSCOMBUSTION GAS INDICATOR

CGI MUST BE CALIBRATED BY THE MANUFACTURER REQUIREMENTS OR EVER ______________

DAYS MINIMUM? - ANS90 DAYS FOR NYS, FOR THE PS-200 ITS 30 DAYS

CLASS A CONDITION IS - ANS1. LEAKING GAS THAT CANT BE STOPPED

2. ANY NOT PROPERLY VENTED APPLIANCE SPILLING CO

3.DEFECTIVE AND OBSTRUCTED VENTING SYSTEMS

4.DEFECTIVE HEAT EXCHANGERS SPILLING CO

CO IS COLORLESS AND _______________ AND ________________ - ANSTASTELESS AND

ODORLESS

CO IS VERY DEADLY IN ________ AND IS CALLED THE "___________" - ANSSMALL AMOUNTS,

THE SILENT KILLER

CO STANDS FOR - ANSCARBON MONOXIDE

COMBUSTABLE GAS INDICATOR IS A DEVICE THAT - ANSIS CAPABLE OF DETECTING AND

MEASURING NATURAL GAS CONCENTRATIONS IN THE ATMOSPHERE.

COMPRESSION COUPLINGS (DRESSER) COUPLINGS CAN ONLY BE INSTALLED. ALL OTHER

LOCATIONS IS CONSIDERED AND AOC. - ANSAFTER THE SERVICE HEAD VALVE AND SERVICE

REGULATOR.

COMPRESSION FITTINGS UPSTREAM OF SERVICE REGULATOR ARE "_______________" AND

CONSIDERED AN "___________________" - ANSNOT ALLOWED, AND CONSIDERED AN AOC

CON ED PROCEDURE MANUAL IS CALLED? - ANSYELLOW BOOK

CORROSION SEVERITY #1: NONE OR VERY MINIMAL MEANS? - ANSTHE PIPE HAS LITTLE TO NO

CORROSION VISIBLE.

CORROSION SEVERITY #2: LOW CORROSION IS WHEN? - ANSBARE/UNCOATED PIPE COVERED

WITH BOTH MILL SCALE AND RUST. FOR PAINTED PIPE UP TO 3% SURFACE AREA WITH RUST.

CORROSION SEVERITY #3: MEDIUM CORROSION IS WHEN? - ANSBARE/UNCOATED PIPE

COMPLETED COVERED IN RUST, LITTLE PITTING VISIBLE, MIGHT HAVE WALL LOSS. FOR PAINTED

PIPE 3% TO 33% SURFACE AREA WITH RUST.

CORROSION SEVERITY #4: HIGH CORROSION IS WHEN? - ANSTHE PIPE IS COMPLETELY RUSTED

AND SHOWS PITTING AND WALL LOSS. FOR PAINTED PIPE 33% TO 50% SURFACE AREA.

CORROSION SEVERITY IS BROKE UP INTO 4 MAIN PARTS? - ANS1. NONE OR VERY MINIMAL

2.LOW CORROSION SEVERITY

3.MEDIUM CORROSION SEVERITY

4.HIGH CORROSION SEVERITY

DOT JURISDICTIONAL PIPING ALWAYS ENDS AT THE CONNECTION POINT ON THE

"_______________________" SIDE OF THE GAS METER - ANSOUTLET

DOT JURISDICTIONICAL PIPING ENDS? - ANSAT THE OUTLET FITTING OF THE GAS METER

DOT PIPING MUST MEET ALL THE STANDARDS OF - ANS1. PHMSA

2. NYSDPS

3. AHJ & GAS COMPANY

DUST PARTICLES PRODUCE WHAT COLOR FLAME - ANSORANGE

FEDERAL CODES REQUIRE EACH METER AND REGULATOR WHETHER INSIDE OR OUTSIDE A

BUILDING, MUST BE INSTALLED IN? - ANS1. READIBLE ACCESSIBLE LOCATION 2.PROTECTED

FROM CORROSION AND DAMAGE. UPSTREAM REGULATOR MAYBE BURIED

GAS PIPING MUST BE PROPERLY SUPPORTED AND CAN NEVER BE USED A MEANS OF? -

ANSSUPPORT

GMI INSTRUMENT MODEL # BEING REFERNCED IN THIS BOOK IS THE - ANSPS200-LMP

HIGHEST LEVEL OF 12800PPM CAN KILL YOU WITHIN - ANS3 MINUTES OF EXPOSURE

IF A GAS METER IS BURIED BEHIND A WALL YOU MUST - ANSCONTACT THE UTILITY

IMMEDIATELY

IF A LEAK IS FOUND ON POE PIPING DO NOT _________ AND REPORT IT TO THE UTLITY

IMMEDIATELY. DO NOT TRY TO FIX IT. - ANSTOUCH OR MOVE IT

IF BOUNDARY CONDITION #1 OR #2 IS MET ALL PURGING MUST BE DIRECTED WHERE? -

ANSOUTDOORS

IF LMP ENCOUNTERS ANY CONDITION THAT MAY IMPACT PERSONAL/PUBLIC SAFETY AND CANT

BE MADE SAFE THEN HE MUST - ANSEXIT THE BUILDING WHILE ASSISTING IN BUILDING

EVACUATION AND MADE SAFE. THEN IMMEDIATE NOTIFICATION OF 911 AND THE UTILITY.

IF POE PIPING IS CORRODED AND THE "__________________" PIPING IN IT IS VISIBLE YOU

MUST NOTIFY THE UTILITY - ANSPLASTIC

IF YOU RECIEVE ANY POSITIVE READING OF GAS IN THE ATMOSPHERE IN THE PUBLIC AREAS

YOU MUST - ANSSTOP IMMEDIATELY AND TAKE A MAKE SAFE ACTION

ILLEGAL CONNECTIONS CAN CONSIST OF THE FOLLOWING? - ANS1. CROSS CONNECTIONS

DOWNSTREAM OF METER

2.DIVERSION OF SERVICE

3.USING WRONG MATERIALS AND PARTS

IN AN EMERGENCY SITUATION, YOU ARE TO REMAIN ON SITE UNTIL YOU ARE? - ANSRELIEVED

BY UTILITY, POLICE OR FIRE DEPT.

INDOOR DISCHARGE OF PURGED GASSES MUST BE THROUGH AN APPLIANCE BURNER THAT IS

NOT LOCATED IN? - ANSTHE COMBUSTION CHAMBER. THE BURNER MUST HAVE A CONSTANT

ELECTRONIC SOURCE OF IGNITION.

INDOOR LEAK SURVEY INSPECTIONS CONSIST OF INSPECTING - ANSVISIBLY ACCESSIBLE INDOOR

GAS PIPING, REGULATORS, METERS, POE, FITTINGS, RELIEF VENTS

INSIDE PIPE LEAK INSPECTION CONSISTS OF TWO PARTS - ANS1. INSPECT DOT JURSIDICTIONAL

PIPING

2. INSPECT AHJ JURISDCITIONAL PIPING

INSTRUMENTS TO DETECT CO HAVE ALARMS PRESET TO? - ANS35 PPM

IS TODAYS NATURAL GAS TOXIC? YES OR NO - ANSNO

LDC STANDS FOR - ANSLOCAL DISTRIBUTION COMPANY

LIGHT SURFACE OXIDE IS WHAT? - ANSSLOW RUSTING OF PIPE WITH NO METAL LOSS

LMP MUST SUBMIT REPORT TO NYC DOB WITHIN - ANS60 DAYS

LOCAL DISTRIBUTION COMPANIES (LDC'S) ARE REQUIRED? - ANSTO PERFORM PERIODIC LEAK

SURVEYS AND VISUAL INSPECTIONS IN ACCORDANCE WITH FEDERAL AND STATE

REQUIREMENTS.

MERCAPTAN IS SULFUR BASED AND GIVES THE GAS A SPECIFIC ODOR SIMILAR TOO? -

ANSROTTEN EGG ODOR

MERCAPTAN ODOR FADE - ANSOCCURS WHEN THE PIPE MATERIALS ABSORB THE MERCAPTAN

LEAVING THE GAS ODORLESS

MERCAPTAN ODOR MASKING - ANSWHEN OTHER ODORS IN THE AREA ARE STRONGER THAN

THE MERCAPTAN AND MASK IT.

METAL LOSS IN AN AREA CAUSED BY ATMOSPHERIC CORROSION SHOWS UP ON THE PIPE AS

GENERAL CORROSION, LOCALIZED CORROSION OR ________________________? - ANSPEELING

AND SCALING

METER HEADERS NEED __________________ FROM IMPACT? - ANSPROTECTION

METER SETS IN CORROSIVE ENVIROMENTS CAN EVEN OCCUR WHEN CHEMICALS ARE PRESENT

IN THE ATMOSPHERE IN THE FORM OF? - ANSCHEMICAL VAPORS

METER SETS IN UNCONDITIONED ROOMS WHERE TEMPERATURE FLUCTUATES CAN ACCELERATE

THE CORROSION PROCESS WHY? - ANSALLOWING WATER VAPOR TO CONDESE AND CAUSE

MOISTURE AND INTERACT WITH OXYGEN SPEEDING UP CORROSION

METERS INSTALLED INSIDE MUST BE IN A VENTILATED SPACE AND NOT LESS THAN - ANS3 FEET

FROM AN IGNITION SOURCE OR HEAT SOURCE

METERS THEMSELVES NEED TO BE INSPECTED FOR BROKEN? - ANSDIALS

NATIONAL GRID PROCEDURE MANUAL IS CALLED? - ANSBLUE BOOK

NATURAL GAS IS LIGHTER THAN? - ANSAIR

NATURAL GAS IS MADE UP OF - ANS85 TO 95% METHANE, AND 3 TO 7% ETHANE (OTHER

HYDROCARBONS)

NATURAL GAS IS ODORLESS AND THEREFORE "____________" IS ADDED TO GIVE IT ITS SMELL -

ANSMERCAPTAN

NATURAL GAS WILL ONLY IGNITE AT HOW MANY DEGREES? - ANS1100 TO 1200 DEGREES

FAHRENHEIT

NEVER USE GAS ITSELF TO CLEAR A LINE, YOU MUST USE AN INERT GAS LIKE NITROGEN OR A

DEVICE CALL A "_____" - ANSPIG

NO BRASS PIPING IS ALLOWED ON HOUSE LINE AND IS CONSIDERED AN - ANSAOC

NYC DOB GAS PIPING INSPECTION FORMS ARE AS FOLLOWS? - ANSGPS-1 AND GPS-

NYC LOCAL LAW 2016-152 - ANSBUILDING GAS PIPING MUST BE PERIODICALLY INSPECTED

EVERY 5 YEARS UNLESS THE BUILDING USING GAS IS LESS THAN 10 YEARS OLD.

ONCE A LMP CLOSES A HEAD SERVICE VALVE OR METER VALVE THEY SHOULD DO WHAT TO

TURN IT BACK ON? - ANSCALL THE UTILITY COMPANY

ONCE SERVICE HAS BEEN INTERRUPTED TO A BUILDING IT MUST BE PUT BACK INTO SERVICE IN

CONJUCTION WITH BOTH THE? - ANSUTILITY COMPANY AND LMP

OPEN FLAMES, LIKE CIGARETTES, LIGHTERS, LANTERNS, PILOT LIGHTS ARE CONSIDERED -

ANSOPEN FLAME IGNITION SOURCES

OSHA Permissible Exposure Limit FOR CO IS _______PPM? - ANS50 PPM FOR 8HOURS PERFORM A CGI SELF-CHECK PRIOR TO STARTING AN INSPECTION WHICH CONSISTS OF - ANS1. BATTERY CHECK

2. FILTERS AND PROBES
3. TIGHTNESS
4. SET AT .1% GAS DETECTION PIPING AFTER THE METER OUTLET IS CONSIDERED NON DOT JURSIDICTIONAL PIPING AND ITS ENFORCEMENT IS BY? - ANSLOCAL AUTHORTY HAVING JURISDICTION PLUMBER REPORT SHOULD INCLUDE ILLEGAL CONNECTIONS, GAS LEAK, CORROSION, AND MUST NOTIFY THE FOLLOWING THREE ENTITIES - ANS1. OWNER, 2. UTILITY AND 3. DOB POE IS USUALLY WHERE CORROSION SEVERITY IS AT ITS? - ANSHIGHEST. MOST COMMON AREA IS AT THE POE WHERE PIPE DEGRADES. EVEN THE SLEEVE IF ITS ROTTED IS CONSIDERED A HIGH CORROSION SEVERITY. POE MEANS - ANSPOINT OF ENTRY. AND GAS PIPING AT THE POE MUST BE SEALED INTO THE BUILDING PPM MEANING - ANSPARTS PER MILLION PS-200 CAN DETECT NATURAL GAS AT THE THIS LEVEL - ANS0.1% OR 1000PPM PURGE END POINTS MUST BE MONITORED NOT BE SMELL BUT WITH A - ANSCGI - COMBUSTIBLE GAS INDICATOR

PURGING GAS PIPING REQUIREMENTS ARE DIVIDED INTO TWO CONDITIONS WHICH ARE? -

ANS1. BOUNDARY 1 CONDITION: DESIGN PRESSURE MORE THAN 2PSI

2. BOUNDARY 2 CONDITION: PIPE DIAMETER AND LENGTH COMBINATIONS

PURGING OUTDOORS YOU MUST BE AT LEAST THIS FAR AWAY FROM THE FOLLOWING ITEMS? -

ANS1. 10 FEET FROM BUILDING OPENING

2. 10 FEET FROM IGNITION SOURCE

3. 25 FEET FROM MECHANICAL INTAKE

REGULATOR INSTALLED INSIDE MUST BE LOCATED? - ANSAS CLOSE AS POSSIBLE TO THE POINT

OF SERVICE LINE ENTERING THE BUILDING

RELIEF VENTS FROM SERVICE REGULATORS MUST TERMINATE TO THE OUTDOORS AND THE

FOLLOWING 3 THINGS? - ANS1. RAIN AND INSECT RESISTANT, 2. IN AN AREA WHERE GAS CAN

ESCAPE FREELY, 3. PROTECTED FROM SUBMERGENCE IN FLOOD AREAS.

RELIEF VENTS SHOULD USUALLY BE AT LEAST _____ INCHES FROM ANY OPENING? - ANS

RELIEF VENTS SHOULD USUALLY BE AT LEAST ______ INCHES FROM AN IGNITION OR HEAT

SOURCE? - ANS

ROUTINE REPORTING LEAK SURVEY AND VISUAL INSPECTION RESULTS MUST BE SUBMITTED TO

THE UTILITY VIA APPS IN REAL TIME AND ALSO NYCDOB FORMS? - ANSGPS-1 AND GPS-

SEALING POE'S PREVENTS - ANSGAS MIGRATION FROM OUTSIDE INTO THE BUILDING

SERVICE LINE DEFINITION? - ANSA DISTRIBUTION LINE THAT TRANSPORTS GAS FROM A

COMMON SOURCE OF SUPPLY TO AN INDIVIDUAL CUSTOMER AND ENDS AT THE OUTLET SIDE

OF THE GAS METER.

SEVERE CORROSION TO GAS PIPING REQUIRES IMMEDIATE NOTIFICATION TO THE

____________________? NOT 911 - ANSUTILITY

SEVERE EMERGENCY CONDITIONS REQUIRE REPORTING IMMEDIATELY AND CAN BE DONE IN 3

WAYS - ANS1. CELL PHONE

2.FIELD DATA INSTRUMENT THE CGI

3.OTHER

SPECIFIC GRAVITY OF NATURAL GAS IS - ANS.60 TO.

SUBSTANDARD CONDITIONS AT THE METER HEADER CONSIST OF? - ANS1. METERS WITH NO

SHUT-OFFS

2. NO ACCESS TO SHUT-OFF VALVES

3. NO LOCKS ON METERS

4. UNAUTHORIZED USE OF HEAD SERVICE VALVE

SUBSTANDARD CONDITIONS FOR OUTDOOR METERS CAN INCLUDE INADEQUATE DEPTH OF

COVER, VEHICLE PROTECTION, AND IMPROPER _______________________________? -

ANSMETER LOCATIONS

SUBSTANDARD CONDITIONS REGARDING REGULATORS CAN BE AS FOLLOWS? - ANS1. RELIEF

NOT VENTED TO THE OUTSIDE

2. NO SCREEN IN THE RELIEF VENT.

3.INPROPERLY SIZED RELIEF LINE.

4. TO CLOSE TO AN IGNITION SOURCE WHEN VENTED

5. BLOCKED VENTS.

SUBSTANDARD OR ILLEGAL CONNECTION MATERIALS CAN BE? - ANSBRASS FITTINGS

COPPER FITTINGS

MUTIPLE COMPRESSION COUPLINGS

OPEN ENDED PIPING

DRESSER COUPLINGS DOWNSTREAM OF METER

SYMPTOMS OF CO EXPOSURE - ANSHEADACHES, DIZZINESS, DISORIENTATION, NAUSEA, AND

FATIGUE

TASK "86" - ANSINTERIOR JURISDICTIONAL PIPING SAFETY INSPECTIONS

TASK 87 - ANSCONDUCTING INTERIOR JURISDICTIONAL PIPING CONSTRUCTION AND

MAINTENANCE ACTIVITIES.

TASK 87 - ANSREQUIRES REPAIRS TO DOT JURSIDICTIONAL PIPING

THE DOT JURISDICTIONAL PIPING IS ALSO REQUIRED TO FOLLOW THE REQUIREMENTS OF THE

LOCAL UTILITY COMPANIES WHICH ARE _________________ AND ___________________? -

ANSCON ED AND NAT GRID

THE EXPLOSIVE LIMITS OF NATURAL GAS ARE BETWEEN ____% AND _____% - ANSUEL 15% GAS

AND LEL 5% GAS

THE FOLLOWING SAFETY PRECAUTIONS MUST BE TAKEN TO PUT GAS BACK INTO SERVICE. -

ANS1. ISOLATE ALL END USE EQUIPMENT

2.CONDUCT A PIPE TIGHTNESS TEST AKA GAS TEST

3.SOAP TEST ALL CONNECTIONS MADE TO JURISDICTIONAL PIPING

4.NEED NYC DOB GAS AUTHORIZATION

5. FOLLOW UTILITY PROCEDURES

THE HEAD SERVICE VALVE IS NOT ALLOW TO BE TURNED OFF BY THE LMP UNLESS? -

ANSSPECIFICALLY INSTRUCTED BY THE UTILITY COMPANY

THE PIPING DOWNSTREAM OF GAS METER OUTLET IS REGULATED BY? - ANSNYS PSC & LOCAL

GAS COMPANIES & PLUMBING CODES

THE REGULATION SPECIFYING THE QUALIFICATION PROCESS IS OFTERN REFERRED TO AS -

ANSOPERATOR QUALIFICATION OR "OQ"

THE VALVE AT THE POE IS CALLED THE? - ANSHEAD SERVICE VALVE

THEFT OF GAS SERVICES REQUIRES IMMEDIATE NOTIFICATION TO THE ____________________?

NOT 911 - ANSUTILITY

THIS PIPING MATERIAL AND BRASS CAN NOT BE USED ON THE HOUSE LINE AND IS CONSIDERED

AN AOC - ANSCOPPER

TO TEST THE PIPING THE PROBE SHOULD BE ROUGHLY _______ INCHES ABOVE THE PIPE, AND

CLOSE PROXIMITY TO METER, REGULATOR, VALVES ETC. - ANS6 INCHES

TYPES OF AOCS - ANSFLEX TO BYPASS METER

LOCKS REMOVED FOR LOCKED METER VALVE

SUSPECTED UNAUTHORIZED OPERATION OF HEAD SERVICE VALVE

CONFIRMED THEFT OF SERVICE

OPEN HOUSE PIPING NO LOCK ON METER VALVE

FLEX HOSES THROUGH A WALL

MULTIPLE FLEX HOSES IN SERIES

FLEX HOSES CONNECTING SEGMENTS OF PIPE.

FLEX CONNECTOR ON A STATIONARY APPLIANCE

TYPES OF ARCING IGNITION SOURCES FOUND IN A HOME - ANSDOORBELLS, FLASHLIGHTS,

BREAKERS, OUTLETS, PHONES, SMOKE DETECTORS, APLIANCES, THERMOSTATS, GARAGE

OPENERS, TOOLS

TYPES OF ELECTRICAL SPARK IGNITION SOURCES - ANSARCING AND STATIC ELECTRICITY

UEL MEANS? LEL MEANS? - ANSUPPER EXPOSURE LIMIT - 15% GAS

LOWER EXPOSURE LIMIT - 5% GAS

VALVES PLAY AN IMPORTANT ROLE IS A GAS SYSTEM WHY? - ANSTHEY ALLOW THE SHUT-DOWN

AND ISOLATION OF CERTAIN PARTS OR ALL PARTS OF A GAS SYSTEM

WHAT ARE THE TWO PRIME AREAS OF INTEREST WITHIN THE CODES WHICH HAVE TO DO WITH

INSIDE INSPECTIONS? - ANS1. GAS LEAK SURVEYS & 2.ATMOSPHERIC CORROSION

WHAT IS "DOT JURISDICTIONAL PIPING"? - ANSFOR INSIDE METERS ITS THE PIPING FOR THE

BUILDING WALL TO THE OUTLET FITTING OF THE GAS METER.

WHAT IS AN ATMOSPHERIC CORROSION INSPECTION? - ANSATMOSPHERIC CORROSION IS THE

GRADUAL DESTRUCTION OR ALTERATION OF A METAL OR ALLOY BY CONTACT WITH

SUBSTANCES PRESENT IN THE ATMOSPHERE, SUCH AS OXYGEN, CO2, WATER, SULFUR AND

CHLORINE.

WHAT IS THE PRIMARY COMMON CAUSE OF ATMOSPHERIC CORROSION? - ANSMOISTURE AND

OXYGEN

WHAT MANUAL IS A GREAT TOOL FOR PURGING GAS PIPING? - ANSAGA PURGING MANUAL

WHAT NFPA CODE COVERS PURGING OF GAS PIPING BOUDARY CONDITIONS CRITERIA AND

PROCEDURE? - ANSNFPA 54-

WHAT ORGINZATION INSIDE DOT REGULATES THE GAS PIPING? - ANSPIPELINE AND HAZARDOUS

MATERIALS SAFETY ADMIN. (PHMSA)

WHAT TYPE OF CONNECTION IS CONSIDERED AN ILLEGAL? EXCEPT ON A REMOVABLE

APPLIANCE - ANSFLEX HOSE

WHAT TYPE OF GAS IS USED AS AN INERT GAS SLUG? - ANSNITROGEN

WHEN A GAS METER IS INSIDE THE DOT JURISDICTIONAL PIPING? - ANSAT THE OUTLET SIDE OF

THE METER EVEN INSIDE THE BUILDING.

WHEN A HEAD SERVICE VALVE OR METER VALVE IS CLOSED IT SHOULD ALSO BE? - ANSLOCKED

BY THE UTILITY COMPANY

WHEN A LEAK IS DISCOVERED LMP MUST TAKE A "MAKE SAFE" ACTION SUCH AS THE

FOLLOWING FIVE.... - ANS1. CALL 911 OR UTILITY FROM A SAFE LOCATION

2. VENTILATION

3. EVACUATION

4. SHUT GAS AT APPLIANCE

5. SHUT GAS METER ONLY IF DIRECTED BY MUNICIPALITY

WHEN DOING AN INSPECTION LMP MUST DO THE FOLLOWING - ANS1. RECORD ALL FINDINGS

2. TRY TO ACCESS ALL VISIBLE GAS PIPING.

3. DOCUMENT AREAS WHICH COULD NOT BE INSPECTED.

WHEN DOING AN INSPECTION LOOK FOR THESE PIPE AREAS FOR CORROSION? - ANS1. POE

2.UNDER INSULATION

3.UNDER DISBONDED COATINGS

4.AT PIPE SUPPORTS

5.IN SPLASH ZONES

6.AT DECK PENETRATIONS

7. SOIL TO AIR INTERFACES

WHEN GAS AND AIR ARE MIXED PROPERLY DURING COMBUSTION THE COLOR OF THE FLAME IS

- ANSBLUE

WHEN PURGING A GAS "INTO SERVICE" YOUR CGI READING SHOULD BE AT _______%? -

ANS95%

WHEN PURGING A GAS "OUT OF SERVICE" YOUR CGI READING SHOULD BE BETWEEN? - ANS0%

AND 3%

WHEN THE CONCENTRATION OF GAS IS 15% AT THE UEL IT MEANS THERE IS - ANSINSUFFICIENT

AIR TO BURN

WHEN THE CONCENTRATION OF GAS IS 5% AND 100%LEL IT MEANS THERE IS -

ANSINSUFFICIENT GAS TO BURN

WHEN YOU HAVE A YELLOW FLAME IT MEANS - ANSINCOMPLETE COMBUSTION, NOT ENOUGH

AIR, PRODUCES MORE CO

WHEN YOU SEE AN ILLEGAL CONNECTION YOU MUST ALWAYS? - ANSTAKE ACTIONS TO

PROTECT PEOPLE AND PROPERTY. SEE SOMETHING SAY SOMETHING

WHEN YOU WALK INTO THE BUILDING TEST BEGINS BY IMMEDIATELY TESTING THE

________________ IN PUBLIC AREAS - ANSATMOSPHERE