Download Gas 3 Exam Practice Questions and Answers Verified by Expert 100% Correct and more Exams Advanced Education in PDF only on Docsity! Gas 3 Exam Practice Questions and Answers Verified by Expert 100% Correct . Which of the following lists best describes the key safety categories to be considered by a Gas Technician? a. personal, site, tools, equipment, others, OHSA, deadlines B. personal, tools, equipment, others, deadlines, Ontario Gas code requirements C. personal, tools, equipment, others, site, OHSA, Ontario Gas Utilization Code D. personal, tools, equipment, others, safety rule books, Ontario Gas Utilization Code - Answer C. personal, tools, equipment, others, site, OHSA, Ontario Gas Utilization Code How would a gas technician demonstrate a concern for the safety of others? A. By always wearing approved work boots, hard hat and safety glasses. B. By demonstrating the correct use of a new tool to a co-worker .C. By letting others climb ladders first. D. By letting others learn from their mistakes. - Answer B. By demonstrating the correct use of a new tool to a co-worker. What should a gas technician do when a new piece of equipment is introduced for use? A. Carefully examine the equipment and determine how to use it properly. B. Ask a co-worker to help determine how to use it properly. C. Get a copy of the user's manual and read it before using the equipment. D. Refuse to work with new equipment until someone else has used it. - Answer Get a copy of the user's manual and read it before using the equipment. What does OHSA stand for? A. Ontario Health & Standards Act B. Ontario Health & Safety Act C. Occupational Health & Safety Act D. Occupational Health & Standards Act. - Answer C. Occupational Health & Safety Act Which of the following regulates workplace safety? A. The Province of Ontario B. The Ontario Gas Utilization Code C. The National Fire Code D. The National Building Code - Answer A. The Province of Ontario What should MSDS sheets be used for by a technician? A. To be aware of flammable, corrosive, or explosive substances. B. To know what materials are available for the technicians' use .C. To know the best brand of product to purchase. D. To be aware of the best source of lubricants for machinery on site. - Answer A. To be aware of flammable, corrosive, or explosive substances. Which phrase is true? A. The Ontario Gas Utilization Code requires a technician to report a hazardousinstallation within three working days of completion. B. The Occupational Health and Safety Act requires that hazards be reported within 72hours. C. The industry does not demand that hazards be reported for correction. D. The hazard is the responsibility of the person who is aware of it. - Answer D. The hazard is the responsibility of the person who is aware of it. 8. Which of the following is true? A. When lifting, it is best to use your back muscles as they are the strongest .B. When lifting, it is best to lift by bending your knees and using your leg muscles. C. When lifting with someone else you should be back to back. D. When lifting a heavy load that is too heavy, lift and carry it small distances at a time. - Answer B. When lifting, it is best to lift by bending your knees and using your leg muscles. 9. Why should garbage and debris be removed from a job site? A. To present a neat appearance. B. To prevent possible slips, trips or falls. C. To reduce the possibility of tool loss in debris. D. To reduce the likelihood of rodents on the job site. - Answer B. To prevent possible slips, trips or falls. .B. To measure the diameter of a drill. C. To measure the length of a drill. D. To measure the length of a drill bit. - Answer Diameter of a Drill bit 25. The boiling point of water is: A. 0 °F (-18°C) B. 68 °F (20°C) C. 200 °F ( 93°C ) D. 212 °F (100°C) - Answer D. 212 °F (100°C) 23. To determine the indicated gas pressure on a water-filled "U" tube manometer. A. read the amount of water column displaced on the pressure side. B. read the amount of water column displaced on the atmospheric side .C. read the amount of water column displaced on the pressure side and add it tothe amount displaced on the atmospheric side. D. read the amount of water column displaced on the pressure side and subtract itfrom the amount displaced on the atmospheric side. - Answer C. read the amount of water column displaced on the pressure side and add it tothe amount displaced on the atmospheric side. 24. Reading of 7.0" w.c equals: A) 1/4 psig. (1.72kPal) B) ½ psig. (3.45 kPa) C) 3/4 psig.(5.17kPa) D) 1 psig. (6.9kPa) - Answer A. 1/4psig. (1.72 kPa) 36. Propane and natural gas are composed mainly of which of the following elements? A. carbon and nitrogen B. carbon and hydrogen C. carbon and oxygen D. carbon and sulphur - Answer B. carbon and hydrogen The flame temperature of propane is approximately: A. 1500 °F (816°C) B. 1500°C (2732°F) C. 3650 °F (2010°C) D. 3650°C (6602°F) - Answer C. 3650 °F (2010°C) 38. The ignition temperature of propane is :A. 920 °F -1020 °F (493 F - 549°C) B. 920°C -1020°C. (1688 F-1868 °F) C. 1210 F - 1260 °F. (654°C - 682°C) D. 1210°C - 1260°C. (2210°F - 2300°F) - Answer A. 920 °F -1020 °F (493 F - 549°C) 40. The boiling point of propane at atmospheric pressure is: A. -44 °F (-42.2°C) B. -10 °F (-23.3°C) C. 0 F°F (-17.7°C) D. 32 °F (0°C) - Answer 41. When propane changes from a liquid to a vapour, it expands and its volume increasesby: A. 5 times. B. 17 times. C. 185 times. D. 270 times. - Answer 270 times 43. When one pound of propane burns, it releases approximately: A. 2,500 Btt u .B. 11,700 Btu. C. 21,600 Btu. D. 60,000 Btu. - Answer C. 21,600 Btu. 44. The products of propane combustion are primarily. A. H and H20 and heat. B. H20 and CO and heat. C. H20, CO2 and heat. D. H and C and heat. - Answer C. H20, CO2 and heat.