LP GAS TEXAS BOBTAIL TEST PAPER 2026 QUESTIONS
AND ANSWERS SCORED A+
✔✔cargo tanks unloading into bulk plant must be atleast 10 feet from the container and
positioned that the emergency shutoff valves on both truck & the container are ____
____ - ✔✔readily accessible
✔✔pressure valves must be installed on ASME containers with a WC of ____ gallons or
more used in stationary service must be vented upward away from the container and to
the open air - ✔✔125
✔✔corrosion protection system of buried containers must have ____ recommended by
the manufacturer, cathodic protection, & a means to test the system - ✔✔coating
✔✔corrosion protection system of buried containers must have coating recommended
by the manufacturer, cathodic _____, & a means to test the system - ✔✔protection
✔✔corrosion protection system of buried containers must have coating recommended
by the manufacturer, cathodic protection, & a means to ____ the system - ✔✔test
✔✔bobtail hauling hazmat must stop atleast ____ feet from the tracks but not more then
____ feet of the tracks - ✔✔15
50
✔✔propane is odorized with a substance called ____ ____ which produces a rotten egg
smell - ✔✔ethyl mercaptain
✔✔piping systems with good working order installed prior to ____ ____, _____ may
remain in service - ✔✔February 1st 2001
✔✔____ ____ provides cathodic protection - ✔✔anode bags
✔✔dot cylinders less then ____ lbs (other then industrial or forklift) shall be filled by
weight only - ✔✔100
✔✔dot cylinders less then 100 lbs (other then industrial or forklift) shall be filled by ____
only - ✔✔weight
✔✔forklift or industrial cylinders are filled by ____ ____ ____ ____ - ✔✔fixed liquid level
gauge
, ✔✔Each operator of a cargo tank motor vehicle that is subject to the emergency
discharge control requirements must carry a _____ _____ _____ ____ _____ on the
vehicle - ✔✔written emergency discharge control procedures
✔✔Expansion rate of propane liquid to vapor is ______ - ✔✔270
✔✔Proper shipping papers include
_____ name
proper ______ name
_____ class or division _____ - ✔✔identification
shipping
hazard
number
✔✔identification name, proper shipping name & hazard class or division number are
located on the ____ ____ - ✔✔shipping papers
✔✔Failure of any exam shall _____ ______ the individual from preforming any LP-GAS
related actions - ✔✔immediately disqualify
✔✔containers shall be ____ ____ ____ and ____ in accordance with the regulations of
the us dot - ✔✔designed fabricated tested marked
✔✔Failure to renew shall result in ____ of the certificate. If certificate expires person
shall _____ _____ performance of any LP-gas activity - ✔✔Experation
Immediately cease
✔✔certificate holder must complete at least ___ hrs of continuing education every ____
years - ✔✔8
4
✔✔Cylinders involved in a fire must be _____ before being refilled - ✔✔Re-qualified
✔✔____ cylinders can NOT be re-qualified after a fire - ✔✔Aluminum
✔✔Bobtail exam does not qualify an individual to connect or disconnect containers
except when preforming ____ ____or removing from service - ✔✔Pressure test
✔✔All truck tires must have a groove pattern depth of ____ on the front tires and ____
on rear tires - ✔✔4/32
2/32
AND ANSWERS SCORED A+
✔✔cargo tanks unloading into bulk plant must be atleast 10 feet from the container and
positioned that the emergency shutoff valves on both truck & the container are ____
____ - ✔✔readily accessible
✔✔pressure valves must be installed on ASME containers with a WC of ____ gallons or
more used in stationary service must be vented upward away from the container and to
the open air - ✔✔125
✔✔corrosion protection system of buried containers must have ____ recommended by
the manufacturer, cathodic protection, & a means to test the system - ✔✔coating
✔✔corrosion protection system of buried containers must have coating recommended
by the manufacturer, cathodic _____, & a means to test the system - ✔✔protection
✔✔corrosion protection system of buried containers must have coating recommended
by the manufacturer, cathodic protection, & a means to ____ the system - ✔✔test
✔✔bobtail hauling hazmat must stop atleast ____ feet from the tracks but not more then
____ feet of the tracks - ✔✔15
50
✔✔propane is odorized with a substance called ____ ____ which produces a rotten egg
smell - ✔✔ethyl mercaptain
✔✔piping systems with good working order installed prior to ____ ____, _____ may
remain in service - ✔✔February 1st 2001
✔✔____ ____ provides cathodic protection - ✔✔anode bags
✔✔dot cylinders less then ____ lbs (other then industrial or forklift) shall be filled by
weight only - ✔✔100
✔✔dot cylinders less then 100 lbs (other then industrial or forklift) shall be filled by ____
only - ✔✔weight
✔✔forklift or industrial cylinders are filled by ____ ____ ____ ____ - ✔✔fixed liquid level
gauge
, ✔✔Each operator of a cargo tank motor vehicle that is subject to the emergency
discharge control requirements must carry a _____ _____ _____ ____ _____ on the
vehicle - ✔✔written emergency discharge control procedures
✔✔Expansion rate of propane liquid to vapor is ______ - ✔✔270
✔✔Proper shipping papers include
_____ name
proper ______ name
_____ class or division _____ - ✔✔identification
shipping
hazard
number
✔✔identification name, proper shipping name & hazard class or division number are
located on the ____ ____ - ✔✔shipping papers
✔✔Failure of any exam shall _____ ______ the individual from preforming any LP-GAS
related actions - ✔✔immediately disqualify
✔✔containers shall be ____ ____ ____ and ____ in accordance with the regulations of
the us dot - ✔✔designed fabricated tested marked
✔✔Failure to renew shall result in ____ of the certificate. If certificate expires person
shall _____ _____ performance of any LP-gas activity - ✔✔Experation
Immediately cease
✔✔certificate holder must complete at least ___ hrs of continuing education every ____
years - ✔✔8
4
✔✔Cylinders involved in a fire must be _____ before being refilled - ✔✔Re-qualified
✔✔____ cylinders can NOT be re-qualified after a fire - ✔✔Aluminum
✔✔Bobtail exam does not qualify an individual to connect or disconnect containers
except when preforming ____ ____or removing from service - ✔✔Pressure test
✔✔All truck tires must have a groove pattern depth of ____ on the front tires and ____
on rear tires - ✔✔4/32
2/32
