Propane vapor is - Study guides, Class notes & Summaries

NATE Gas Heating Exam Verified Questions and answers 2023 Latest Update Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% - correct answer C: 78% Many pre-1992 furnaces have efficiencies around . A: 10% B: 40% C: 60% D: 80% - correct answer C: 60% Today, furnaces with AFUE ratings greater than are available. A: 85% B: 90% C: 100% D: 110% - correct ...

If an appliance cannot be converted to another fuel ex. propane to natural gas, it must be a ___ appliance - Answer-"Dedicated" Appliance The "10ft-2ft-3ft" rule is a reference to what? - Answer-It means that chimneys must be 3ft above the highest point of where it passes through, while still being 2ft higher than any portion of roof within 10ft How many feet must a type B or L vent terminate, at minimum, above the highest connected appliance draft hood or flue collar? - Answer-5 feet ...

1. Propane has many advantages as a fuel source, including:: A. It burns slowly because of its low pump-octane B. It is stationary and non-portable C. It is a clean-burning, non-toxic fuel D. It leaves a high-residue as it burns 2. If a service technician is asked to perform a task that he or she is not fully trained or qualified for, the best action is to:: A. Say nothing, gather up his or her tools and supplies, and quietly leave the site B. Attempt to perform the task to the best of his ...

Why is it important to know the specific gravity of propane vapor? Why is it important to know the specific gravity of propane liquid? Which three different types of tanks are used to be deliver propane to a bulk plant? Which product of incomplete combustion has a pungent odor? _________________ - ️️Aldehydes Which organization is devoted to code development for fire prevention and safety? Which organization is a federal enforcement agency for health and safety? Which NFPA standard app...

EPA SECTION 608 CORE (2021-2022 revision) A disposable cylinder should be reduced to what pressure before scrapping? a. 0 psig b. 20 psig c. 50 psig d. 80 psig A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? a. Add R-22 after the repair is complete. b. Retrofit the unit to R-407C. c. Use recovered or recycled R-22 from the same owner. d. Top off the unit with R-410a. A refillable cylinder must not be filled above what ...

Name 3 characteristics of propane - ANSWER colorless, odorless, tasteless What is the initial boiling point of propane - ANSWER -44 degrees What does one gallon of liquid propane weigh in pounds - ANSWER 4.2 pounds How heavy is propane vapor compared to air? Propane liquid to water? - ANSWER 1.5 > 1. 1 and 1/2 more than air (SO4 < H20)

Chemistry IGCSE Oxford AQA organic chemistry Summary Questions and Answers 2023 Updated Crude oil is a mixture of... - CORRECT ANSWER -A very large number of compounds Most of the compounds in crude oil are... - CORRECT ANSWER -hydrocarbons What are hydrocarbons? - CORRECT ANSWER -Molecules made up of hydrogen and carbon atoms only How are the many kinds of hydrocarbons separated? - CORRECT ANSWER -They are separated into fractions, each of which contains molecules with a similar numbe...

CETP Certification Exam Questions With 100% CORRECT ANSWERS Latest 2024 (GRADED) If a service technician is asked to perform a task that he or she is not fully trained or qualified for, the best action is to: A. Say nothing, gather up his or her tools and supplies, and quietly leave the site B. Attempt to perform the task to the best of his or her abilities C. Promise the customer that he or she will return once trained. D. Tell the customer that he or she cannot perform the task, but will ...

CETP Pre-Certification Exam Questions With CORRECT ANSWERS Latest 2024 (GRADED) Propane has many advantages as a fuel source, including: A. It burns slowly because of its low pump-octane B. It is stationary and non-portable C. It is a clean-burning, non-toxic fuel D. It leaves a high-residue as it burns If a service technician is asked to perform a task that he or she is not fully trained or qualified for, the best action is to: A. Say nothing, gather up his or her tools and supplies, and...

_____________ is the sum of the rated btu/hr input for each propane appliance connected to the vapor distribution system. Answer - Total gas demand Where do you record the ratings of the btu/hr input for a customers current appliances? Answer - Customer gas appliance use profile form _____________ is used to determine the amount of propane required to operate appliances at a reduced demand, and assumes full cycle happen typically, and don't operate simultaneously. Answer - Effective sy...