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peter g3 76 exam Questions With Expert
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two undesirable products of incomplete combustion are A) CO and aldehydes B) CO and N C) CO2 and aldehydes D) CO and heat - โ โ A which substance is inert and passes through the combustion zone absorbing heat A) carbon dioxide B) ethyl mercaptan C) oxygen D) nitrogen - โ โ D propane is a A) manufactured gas B) hydrocarbon C) distillate fuel D) naphthalene fuel - โ โ B at 60 F (15.5C) a pound of propane produces how many cubic feet of gas
A) 2.
B) 4.
C) 8.
D) 10.10 - โ โ C
propane shall have a distinctive odour content to ensure it is readily detectable in the atmosphere down to concentrations of A) 5% of the lower explosive limit B) 20% of the lower explosive limit C) 35% of the lower explosive limit D) 50% of the lower explosive limit - โ โ B 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 - โ โ A which phrase is true A) the ontario gas utilization code requires a technician to report a hazardous installation within 3 working days of completion B) the occupational health and safety act requires that hazards be reported within 72 hours
D) scrap metal is stacked in a corner away from your work - โ โ D an employer is A) responsible for ensuring that safety instruction is provided to workers B) not responsible for ensuring that safety instruction is provided to workers C) responsible for ensuring that workers arrive safely on a job site D) responsible for providing all safety clothing to workers - โ โ A which of the following lists best describes the key safety categories considered by a gas technician A) personal, site, tools, equipment, others, OHSA, deadlines B) personal, tools, equipment, others, deadines, 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 - โ โ C what should a gas technician do when a new piece of equipment is introduced for us 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 - โ โ B what should a gas tech 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 - โ โ C 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 - โ โ C 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 - โ โ A which of the following is true
D) find a doctor or qualified practitioner who will give a second opinion concerning the injury - โ โ B how many classes of fire extinguishers are listed A) 3 B) 4 C) 5 D) 6 - โ โ C which of the following are the key pieces of PPE A) hard hats, gloves, ear plugs, dust mask, safety glasses, work boots, face shields B) ladders, hand tools, power tools C) protective clothing, hand tools, face shields, hats D) grounded extension cords, safety glasses, safety boots, hard hat - โ โ A what type of fastener would you use to join 2 electrical conductors A) electrical coupling B) BX connector C) marrette D) electrical tape - โ โ C the fastener used to connect a hose to a fan coil unit is A) a gear clamp
B) copper bailing wire C) electrical tape D) a grappler bar - โ โ A shot for powder activated guns is stored A) in a locked, secure compound B) in a dry, secure location C) in the upright position in a secure compound D) in a locked refrigerator cooler - โ โ B what is the purpose of a drill gauge A) to measure the diameter of a drill bit B) to measure the diameter drill C) to measure the length of a drill D) to measure the length of a drill bit - โ โ A 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 to the amount displaced on the atmospheric side
B) wood C) plastic D) concrete - โ โ D lead shields are generally used to anchor fasteners to A) steel B) wood C) plastic D) concrete - โ โ D copper wire should be skinned with A) a knife B) pliers C) side cutters D) a wire stripper - โ โ D by definition, the specific gravity of gas (vapour) is A) the weight of the gas as compared to the weight of air B) the weight of the gas as compared to the weight of an equal volume of air C) the volume of the gas compared to the equal weight of an equal volume of air D) the volume of the gas as compared to the weight of air - โ โ B
the specific gravity of propane vapour is A) greater than that of air B) less than that of air C) the same as that of natural gas D) less than that of natural gas - โ โ A the specific gravity of propane A) 0.6" w.c B) 1" w.c C) 1.52" w.c D) 3.5" w.c - โ โ C the lower and upper flammable limits of propane are A) 2.0 % - 11.0% B) 2.4 % - 9.5% C) 4.0 % - 14.0% D) 5.5% - 14.5% - โ โ B the heat content of 1 cubic foot of propane is approximately A) 1,000 BTU B) 2,500 BTU C) 10,000 BTU D) 25,000 BTU - โ โ B
D) the relative density of air - โ โ C the boiling point of propane at atmospheric pressure is A) -44F (-42.2C) B) -10F (-23.3C) C) 0F (-17.7C) D) 32F (0C) - โ โ A when propane changes from a liquid to a vapour, it expands and its volume increases by: A) 5 times B) 17 times C) 185 times D) 270 - โ โ D one imperial gallon of propane weighs A) 5.1 pounds B) 8.5 pounds C) 10 pounds D) 25 pounds - โ โ A when one pound of propane burns, it releases approximately A) 2,500 BTU B) 11,700 BTU
C) 21,600 BTU
D) 60,000 BTU - โ โ C
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 - โ โ C as the temperature of liquid propane in a tank increases, the vapour pressure of the propane A) increases B) decreases C) remains the same D) fluctuates - โ โ A the amount of CO2 produced per cubic foot of propane burned is A) 7.6 cu ft B) 3.0 cu ft C) 18.5 cu ft D) 12.0 cu ft - โ โ B the amount of air required to BURN 1 cubic foot (0.028 cu m) of propane is approximately
carbon monoxide is a product of the incomplete combustion of A) nitrogen B) oxygen C) a hydrocarbon D) an inorganic compound - โ โ C air is about A) 50% nitrogen and 50% oxygen B) 60% nitrogen and 40% oxygen C) 70% nitrogen and 30% oxygen D) 80% nitrogen and 20% oxygen - โ โ D a luminous flame is caused by A) premixing air and fuel prior to combustion B) not premixing air and fuel prior to combustion C) a low ignition temperature D) the presence of carbon monoxide - โ โ B a bunsen flame is caused by A) premixing air and fuel prior to combustion B) not premixing air and fuel prior to combustion C) a low ignition temperature D) the presence of carbon monoxide - โ โ A
the specific gravity of natural gas is A) a greater than that of air B) less than that of air C) the same as that of propane D) greater than that of propane - โ โ B natural gas and propane are composed mainly of A) carbon and nitrogen B) carbon and hydrogen C) carbon monoxide and nitrogen D) carbon dioxide and hydrogen - โ โ B the flame temperature of natural gas is approximately A) 2500 F (1371C) B) 2500 C (4532F) C) 3500 F (1927C) D) 3500 C (6332F) - โ โ C the theoretical boiling point of natural gas at atmospheric pressure is A) -259F (-162C) B) -44F (-42C) C) 0F (-18C) D) 32F (0C) - โ โ A
C) 2,100F (1,149C)
D) 3,000F (1,649C) - โ โ B
the specific gravity of natural gas A) 0. B) 1. C) 1. D) 2.00 - โ โ A the major constituents of flue gases after the proper combustion of natural gas in the air are A) CO, H20, N2, excess air, and heat B) H20, N2, primary air, and heat C) CO2, H20, N2, 02, and heat D) 02, CO, N2, H20, and heat - โ โ C a bunsen flame is characterized by its A) blue appearance B) yellow appearance C) orange appearance D) green/orange appearance - โ โ A the 2 main hydrocarbons which form natural gas are A) methane and ethane
B) butane and propane C) ethane and butane D) methane and propane - โ โ A what theoretical gas to air ratio is necessary to achieve perfect combustion with atmospheric natural gas burner A) 1 part of natural gas to 10 parts of air B) 5 parts of natural gas to 5 parts of air C) 5 parts of natural gas to 15 parts of air D) 20 parts of natural gas to 1 part of air - โ โ A carbon monoxide is produced through A) perfect combustion B) complete combustion with excess air present C) incomplete combustion D) incomplete mixing of theoretical air and primary air - โ โ C the products of complete combustion of natural gas in air are A) carbon monoxide, water vapour, and heat B) carbon dioxide, water vapour, and heat C) aldehydes, water vapour, and heat D) nitrous oxide, water vapour, and heat - โ โ B
