LP-Gas Texas Bobtail Questions and Answers | Latest Update | Graded Pass

LP-Gas Texas Bobtail Questions and Answers | Latest Update | Graded Pass required for all piping systems that serve _______ psig appliance systems. normally operated at 11 in WC pressure - ANSWER 1/2 required for all piping systems that serve 1/2 psig appliance systems. normally operated at ______ in WC pressure - ANSWER 11 above group LP-gas containers must not be located within ____ feet of the vertical plane beneath overhead electric power lines that are over _____ volts - ANSWER 6 600 Fire Extinquishers must have minimum capacity of _____ lbs dry chemical with a ___ : ___ rating - ANSWER 18 B:C Cargo Tank Inspection and Tests V= ____ ____ inspection every __ years K= ____ test every ____ years P= ____ test every ____ years I= ____ ____ inspection every __ years - ANSWER external visual inspection 1 year leak test 1 year pressure test 5 years internal visual inspection 5 years what is the lower limit of combustibility of odorized LP-gas - ANSWER 1/5 A propane leak can - ANSWER Displace Oxygen an causes suffocation Bulk plant emergency shutoff for 4001 gal aggregate wc or more shall have - ANSWER opening of 1 1/4 in or more pneumatically operated ESV pneumatically operated internal valves back-check valves for into tank only Thermal element must be located within ____ ft of the ESV and can NOT BE _____ - ANSWER 5 painted All underground pipe, metallic or poly must be covered by ____ inches or ____ inches if damage is likely - ANSWER 12 18 Outdoor metallic piping shall have ___ pressure limits - ANSWER no Polyethylene piping systems shall be limited to ____ psig - ANSWER 30 Polyethylene piping shall be used _______ only - ANSWER underground Texas school leak tests must last a minimum of ____ minutes - ANSWER 30 LPG form ____ must be keep on file for ____ years - ANSWER 30 5 Texas school leak tests must be done every ____ years - ANSWER 2 The term NQT on cargo tanks means - ANSWER Non-Quenched Tempered Single family home pressure testing must last a minimum of ___ minutes - ANSWER 10 Pressure testing and inspection should be no less than ____ hour for every ____ feet - ANSWER 1/2 500 cylinders with ____ lbs propane through ____ lbs propane capacity for vapor service shall have overfilling prevention device and a fixed liquid level gauge - ANSWER 4.2 40 cylinders with 4.2 lbs propane through 40 lbs propane capacity for vapor service shall have ____ ____ ____ and a ____ ____ ____ _____ - ANSWER overfilling prevention device fixed liquid level gauge cylinders are designed with atleast ____ psig service pressure - ANSWER 240 LP-Incident/accidents notify ____ by telephone within ____ hours following discovery - ANSWER AFS 2 methods for conducting leak test on schools ____ of 1st stage regulator ____ the 1st stage & 2nd stage regulator ____ of the final stage regulator - ANSWER upstream between downstream scales must be registered by ____ ____ ____ ____ - ANSWER Texas department of Agriculture ESV - ANSWER emergency shutoff valve cathodic protection testing on buried containers must be done within ____ days of installation. then every 12 to 18 months after initial test. follow up intervals not to exceed 36 months. repairs must be done within 180 days - ANSWER 180 cathodic protection testing on buried containers must be done within 180 days of installation. then ____ to ____ months after initial test. follow up intervals not to exceed 36 months. repairs must be done within 180 days - ANSWER 12 18 cathodic protection testing on buried containers must be done within 180 days of installation. then every 12 to 18 months after initial test. follow up intervals not to exceed ____ months. repairs must be done within 180 days - ANSWER 36 cathodic protection testing on buried containers must be done within 180 days of installation. then every 12 to 18 months after initial test. follow up intervals not to exceed 36 months. repairs must be done within ____ days - ANSWER 180 ____ ____ pipe can not be used for LPG - ANSWER cast iron ignition sources must be turned off and atleast ____ feet away from point of transfer - ANSWER 25 ignition sources must be ____ ____ and atleast 25 feet away from point of transfer - ANSWER turned off emergency discharge control remote must work reliably from a distance of atleast ____ feet and tested daily - ANSWER 150 emergency discharge control remote must work reliably from a distance of atleast 150 feet and tested ____ - ANSWER daily when the driver is outside of the cab, shipping papers must be kept ____ or in the _____ - ANSWER on the seat door pouch