CTR 156CT Propane Practice Test

These questions are part of the practice quiz. Start practicing

• Which statement best summarizes the overall safety approach when propane leaks are suspected?
• Which of the following is NOT a step to determine the total filled weight of a cylinder?
• What does AHJ stand for in propane regulations?
• How does propane differ from other LPG components?
• What is the correct fill practice for propane cylinders?
• What is the main function of a propane regulator?
• Why should propane cylinders be kept away from oxidizers?
• Which area should you test with soap-and-water to check for leaks when installing a propane system?
• Why should you avoid using a flame when testing for leaks?
• What should you do if you hear a persistent hissing sound near a propane valve?
• Where should propane cylinders be stored relative to heat sources?
• If you see an 'S' next to the date on a cylinder, the cylinder must be requalified _________ from that date?
• Which of the following is a common use of propane?
• How is a leak tested after installing a propane connection?
• What is the risk of using improvised hoses for propane systems?
• A person can be inside a motorhome while the tank is being filled.
• What is the effect of a propane regulator on cylinder pressure?
• When propane equipment is exposed to cold weather, which action helps ensure safe operation?
• Which addition is required along with propane vapor and air for combustion to occur?
• What should you do if a cylinder valve is hard to open?
• How often are hydrostatic tests typically required for propane cylinders?
• When filling by weight, the scale set point should equal which combination?
• What is the safest storage scenario for propane cylinders in or near a building?
• Where should propane be stored relative to other chemicals?
• Which PSI value listed on the ASME data plate can be filled?
• Which statement is true regarding cylinder filling rules?
• What is the first action if you detect a propane leak indoors?
• What is the primary purpose of a propane regulator?
• What are the supplier's responsibilities regarding cylinder safety?
• Which statement about ignition sources during autogas filling is correct?
• What should you do if you see a propane flame at a connector?
• To protect the valves, portable cylinders use a what?
• Hydrostatic testing for portable propane cylinders is typically required every how many years?
• What are common outdoor storage corrosion concerns for propane cylinders?
• What characterizes a properly burning propane flame?
• During pre-fill visual inspection you discover the O-ring on the service valve is damaged. What should you do?
• What information must accompany a propane cylinder during transport?
• Which statement about the autogas system pump is correct?
• Why purge gas from the system before leak testing?
• Problems that prevent filling a cylinder include: Cracks or leaks; Out-of-date requalification; Bulging, denting, or gouging. Which option completes the list?
• What happens if propane is released into a confined, poorly ventilated space?
• How should propane equipment be grounded or bonded?
• Propane autogas dispensing systems typically use a ________ to fuel the vehicle.
• What are common signs of a leaking propane hose connection?
• Which practice helps minimize static electricity when connecting hoses and fittings?
• How should propane equipment be inspected in cold weather?
• Permanently mounted tanks used in motor homes are built to which specifications?
• What should you do if you cannot locate the cylinder label?
• How should a cylinder valve be closed?
• Which of the following statements about propane storage is true?
• LPG is a mixture of propane and other hydrocarbons such as butane.
• What should you do if you observe moisture or corrosion at the cylinder neck or valve?
• What should you do with damaged cylinders?
• During storage or transport, what should be kept on the cylinder's valve?
• Which odorant is added to propane to aid leak detection?
• Which statement about propane cylinder color coding is correct?
• Propane is flammable in air within what range?
• What is the function of a cylinder pressure-relief device?
• How many times do you need to complete the purging process?
• If you smell propane but do not see a vapor cloud, what should you do?
• The marking 'Alloy steel' on a cylinder indicates that the cylinder is made of what material?
• What information is typically checked on a cylinder label before use?
• When identifying propane cylinders, you should rely on which of the following rather than color alone?
• Which action should be performed before using a platform scale?
• What does LPG stand for?
• Which statement about platform scales is true?
• What steps should you take before connecting a regulator to a cylinder?
• How can you detect a propane leak if there is no odor?
• Which of the following best describes the information you should verify to ensure regulator-to-appliance compatibility?
• What is the safest storage scenario for propane cylinders in or near a building?
• What should be included in a basic propane emergency plan?
• What is the purpose of a check valve in propane equipment?
• Leaks, cracks, or bulging are often discovered during which type of cylinder inspection?
• The two common types of propane dispensing set-ups include horizontal tank dispensers and what?
• What should you do if a regulator becomes hot to touch?
• Why is it important to verify the cylinder design code specification markings on the cylinder before filling?
• What action best reduces risk if a regulator overheats?
• What is the function of a relief valve on a propane tank?
• What is the primary safety objective when working with propane?
• The E marking on a cylinder date indicates requalification is due in five years from that date.
• Why should propane be used only in well-ventilated spaces?
• What should you do if a propane cylinder is knocked over or damaged in the field?
• After repairing a leak in a propane system, what should you do next?
• How can you verify regulator-to-appliance compatibility?
• What is the recommended practice to minimize static electricity when connecting hoses and fittings?
• What is a typical warning sign of a propane leak around a valve?
• Which of the following is typically NOT the responsibility of a propane dispenser operator?
• What should you inspect on a propane hose before use?
• If a cylinder shows bulging during inspection, what is the proper action?
• Why is ventilation critical when using propane indoors?
• Is it correct to use a fire extinguisher at the dispenser to fight a propane fire?
• Which valve is opened on the ASME tank during filling?
• ___________________ is added to propane to increase the likelihood that a leak will be detected.
• Why is it important to have odorant in propane?
• What does the hydrostatic test date on a cylinder label indicate?
• What hazard arises from overfilling a propane cylinder?
• Whether you can fill by weight or by volume is determined by which regulations?
• What is the proper handling of a damaged or fallen propane cylinder?
• What is the role of a pigtail in propane connections?
• If propane gas leaks in an enclosed space, what hazard may occur?
• What are signs of a damaged propane hose or connection?
• What does a blue-green stain on the brass valve indicate?
• What is the proper action if a cylinder valve is damaged or a cylinder is involved in a fire?
• Before beginning the autogas refueling process, which of the following actions should be taken?
• Cylinders may not be filled if they are past their ____ date.
• What is the first step when performing maintenance on a propane system?
• If you hear gas hissing from a propane hose connection, what should you do?
• What is the main hazard of using propane indoors?
• What steps should you take to prepare for replacing a propane cylinder at a site?
• What risk does using a damaged regulator present?
• The maximum permitted filling limit for a cylinder filled by volume is determined by:
• Which of the following is a common damage type to check for on cylinders?
• Can you sell a 20 lb Autogas cylinder to a customer to take back to their car to fill it where it ran out of fuel?
• Which statement describes the purpose of bonding and grounding in propane work?
• What does tare weight represent on a cylinder?
• Which standards commonly govern propane safety in workplaces?
• Which statement about storage and handling of propane cylinders is true?
• New cylinders that have NOT been vacuum-purged by the manufacturer and cylinders that have been opened to the atmosphere must be _______ prior to filling.
• How should propane cylinders be stored in a yard or shop?
• How should you address a small propane fire involving a cylinder if you are trained to do so?
• What safety practice involves connecting conductors to prevent static electricity in propane work?
• Which of the following is NOT the responsibility of a U-Haul propane dispenser operator?
• How should propane cylinders be secured during storage or transport?
• During an uncontrolled propane release, where is the best place to evacuate?
• Which fire extinguisher types are appropriate for propane fires?
• If a regulator is suspected to leak, what should you do?
• If a cylinder warning label is not legible or if the paper or plastic sleeve is removed during inspection, what should you do before releasing the cylinder to the customer?
• How far from the propane dispenser do you need to evacuate in the event of an uncontrolled release?
• Why should propane cylinders not be stored in an unventilated closed room?
• In indoor propane use, what hazards can occur?
• How should a damaged or fallen propane cylinder be treated?
• What is the chemical formula for propane?
• Which testing method is mentioned for cylinder safety?
• How often must cylinders be requalified?
• How often should propane equipment be inspected?
• What precautions are required during the transportation of propane cylinders?
• Why is propane a hazard in enclosed spaces?
• Why is regular inspection of hoses and quick-connect fittings essential?
• Which of the following items is typically recorded in a propane cylinder maintenance log?
• What is the proper sequence to shut down propane after use?
• What is the function of a pigtail in propane connections?
• If you see an "E" next to the date on a cylinder, the cylinder must be requalified how many years from that date?
• Which storage scenario near a building is generally restricted for propane cylinders?
• Which factor governs whether to fill by weight or by volume?
• Which device signals when the cylinder has reached the desired fill level during volume filling?
• Which accessory protects the valves on portable cylinders?
• Which device on a vehicle-mounted ASME tank indicates the maximum liquid level?
• When filling a cylinder by volume and a white mist begins to escape from the fixed maximum liquid level gauge, you need to immediately __________.
• Tare weight is required when calculating cylinder filling by which method?
• What are common causes of regulator leaks?
• Which statement best describes the regulatory device for pressure relief in propane systems?
• If a cylinder valve is hard to open, which action is recommended?
• What is the state of propane inside a full cylinder at typical ambient temperatures?
• Propane is stored and transported as a liquid.
• During filling, fullness is indicated by which sign?
• During a cylinder inspection, which condition would lead to disallowing filling?
• Which safety practice helps prevent leaks during propane transfer?
• NFPA 58/59 pertain to propane in what context?
• How should old propane cylinders be disposed of?
• What are common causes of regulator failure to deliver gas?
• Which action is not recommended during filling operations?
• How can you verify propane flame efficiency visually?
• Which indicator is associated with the fixed maximum liquid level gauge on an ASME tank?
• At room temperature, propane is in what state?
• What is the recommended shutdown practice after finishing propane work?
• If a cylinder has cracks or leaks, what should you do?
• When filling by volume, the meter register is used to determine when the cylinder is full of liquid propane.
• Why is mercaptan added to propane?
• In the autogas dispensing system, what is the purpose of the pump?
• The permanent marking '4BA240' tells you that the cylinder is made of ___________.
• What is the recommended evacuation direction during an uncontrolled propane release?
• What is the primary purpose of purging air or moisture from cylinders prior to filling?
• When the operator is not in attendance, the dispenser should be:
• Which information should be recorded in a propane cylinder maintenance log?
• Tare weight is used when calculating cylinder filling by weight to determine the net weight of propane by subtracting the cylinder's tare from the gross weight.
• If a leak is suspected but the source cannot be located, what is the safest course of action?
• Which action is not allowed during autogas refueling safety?
• Cylinders must be labeled clearly with what information?
• Gloves and other PPE are required when filling containers because of the ______ of liquid propane.
• Which organization regulates transportation safety for propane?
• In volume filling using fixed maximum liquid level gauge, who determines when the maximum permitted filling limit is reached?
• How should oxygen, fuel gas, and oxidizers be stored near propane?
• When filling a cylinder by volume, the cylinder will be full when ________.
• Which statement about cylinder labeling is true?
• What device relieves excess pressure in a propane cylinder?
• Which information is NOT typically checked on a cylinder label before use?
• Which organization sets standards for pressure vessels used in motor home propane systems?
• If a nozzle with a threaded connection is being used, it must be firmly attached and properly threaded before beginning any filling process.
• What information should be verified on a cylinder label regarding testing?
• If the warning label on a cylinder is unreadable, what is the proper action before releasing it?
• Make sure there are no ignition sources within _______ feet of the autogas filling area.
• In a consumer cylinder, how is propane stored?
• How should propane cylinders be secured during storage and transport?
• What does hydrostatic testing of propane cylinders verify?
• What immediate steps should you take if you detect a propane leak indoors?
• __________ control the flow of propane through the piping system of a dispenser.
• One gallon of liquid propane yields roughly how many cubic feet of gas?
• Why is it important to purge air when charging a system into an appliance?
• When connecting a regulator to a cylinder, what is the recommended tightening method?
• Which device is used to determine when an ASME tank has been adequately filled?
• All cylinders must be filled outdoors or in an approved filling area.
• What is the chemical formula for propane?
• Which statement about the ASME data plate on a vehicle-mounted tank is true?
• Which statement best describes how a threaded nozzle should be prepared before filling?
• What is the approximate expansion ratio of liquid propane to propane gas at room temperature?
• How do you determine regulator compatibility with a cylinder and appliance?
• All new propane cars have quick connect nozzles.
• Which of the following is a direct indicator that an ASME tank has reached its maximum liquid level and will stop the flow?
• If a regulator shows signs of damage, what is the recommended action?
• Which action is inappropriate when a propane cylinder is damaged in the field?
• What is the flammable range of propane in air by volume?
• How should you respond to a propane cylinder that is hot or shows signs of damage?
• Where should propane cylinders be kept with respect to ignition sources?
• Why is having written propane handling procedures important?
• If a cylinder shows bulging, denting, or gouging, what should you do?
• The proper mixture of propane vapor, air, and ______ is needed for propane to burn.
• Bonding and grounding propane equipment is intended to prevent what?
• Before filling a cylinder, verify that it is a propane cylinder by ___________.
• A blue-green stain on the brass portion of the cylinder valve is evidence of contact with which substance?
• Which distance must ignition sources be kept away from the autogas filling area?