21. All of the equilating areas should be securely tighten with a wrench EXCEPT: a. Regulator to Tank b. Hose to Regulator c. Cutting Tip to Torch d. Hoses to Torch 22. When the oxy -acetylene torch is lit.which flame is described by having excess acetylene? a. Acetylene Flame b. Carburizing Flame c. Oxidizing Flame d. Neutral Flame 23. When the oxy-acetylene torch is lit, which flame is described by having excess oxygen? a. Acetylene Flame b. Carburizing Flame c. Oxidizing Flame d. Neutral Flame 24. When no oxygen has been introduced and the flame is large/orange which flame are you looking at? a. Acetylene Flame b. Carburizing Flame c. Oxidizing Flame d. Neutral Flame 25. Which flame is the ideal flame you should use to cut with? a. Acetylene Flame b. Carburizing Flame c. Oxidizing Flame d. Neutral Flame 26. When turning on the oxy-fuel setup, what should you do first? a. Turn the torch valves to the open position b. Double check that are valves are closed and that the adjusting screw is loose c. Tighten the adjusting screw and light the torch d. Record the pressures that are displayed on the gauges 27. When shutting down the machinery, there may be pressure in the gauges even if the bottle is off. Why is this? a. Thé cylinder valve Isn't turned off properly b. The cylinder has a leak c. There is still gas pressure in the hoses that needs to be released d. The hoses have a leak 28. What is the name of the tool that is used to light the torch? a. Lighter b. Sparker c. Flint Striker d. Lighting Switch . 29. When operating the oxy-fuel machinery, the hoses should be located __ a. In front of you so you can see them at all times b. Behind you to prevent any sparks from melting the hoses c. To the side so that the instructor can ensure they aren't in the way d. Hanging off your shoulder so they are completely out of the way 80. T/F: Acetylene tanks are more dangerous than oxygen tanks.

Question

21. All of the equilating areas should be securely tighten with a wrench EXCEPT: a. Regulator to Tank b. Hose to Regulator c. Cutting Tip to Torch d. Hoses to Torch 22. When the oxy -acetylene torch is lit.which flame is described by having excess acetylene? a. Acetylene Flame b. Carburizing Flame c. Oxidizing Flame d. Neutral Flame 23. When the oxy-acetylene torch is lit, which flame is described by having excess oxygen? a. Acetylene Flame b. Carburizing Flame c. Oxidizing Flame d. Neutral Flame 24. When no oxygen has been introduced and the flame is large/orange which flame are you looking at? a. Acetylene Flame b. Carburizing Flame c. Oxidizing Flame d. Neutral Flame 25. Which flame is the ideal flame you should use to cut with? a. Acetylene Flame b. Carburizing Flame c. Oxidizing Flame d. Neutral Flame 26. When turning on the oxy-fuel setup, what should you do first? a. Turn the torch valves to the open position b. Double check that are valves are closed and that the adjusting screw is loose c. Tighten the adjusting screw and light the torch d. Record the pressures that are displayed on the gauges 27. When shutting down the machinery, there may be pressure in the gauges even if the bottle is off. Why is this? a. Thé cylinder valve Isn't turned off properly b. The cylinder has a leak c. There is still gas pressure in the hoses that needs to be released d. The hoses have a leak 28. What is the name of the tool that is used to light the torch? a. Lighter b. Sparker c. Flint Striker d. Lighting Switch . 29. When operating the oxy-fuel machinery, the hoses should be located __ a. In front of you so you can see them at all times b. Behind you to prevent any sparks from melting the hoses c. To the side so that the instructor can ensure they aren't in the way d. Hanging off your shoulder so they are completely out of the way 80. T/F: Acetylene tanks are more dangerous than oxygen tanks.

Answer 1

21. c. Cutting Tip to Torch22. b. Carburizing Flame23. c. Oxidizing Flame24. a. Acetylene Flame25. d. Neutral Flame26. b. Double check that are valves are closed and that the adjusting screw is loose27. c. There is still gas pressure in the hoses that needs to be released28. b. Sparker29. a. In front of you so you can see them at all times30. T

Answer 2

## Step1For question 21, the question is asking which of the given options should not be tightly secured with a wrench. The correct answer is the one that does not require a tight connection.## Step2For question 22, the question is asking which flame is described by having excess acetylene when the oxy-acetylene torch is lit. The correct answer is the one that matches the description.## Step3For question 23, the question is asking which flame is described by having excess oxygen when the oxy-acetylene torch is lit. The correct answer is the one that matches the description.## Step4For question 24, the question is asking which flame is described by having no oxygen introduced and the flame is large/orange. The correct answer is the one that matches the description.## Step5For question 25, the question is asking which flame is the ideal flame to use for cutting. The correct answer is the one that matches the description.## Step6For question 26, the question is asking what should be done first when turning on the oxy-fuel setup. The correct answer is the one that matches the description.## Step7For question 27, the question is asking why there may be pressure in the gauges even if the bottle is off when shutting down the machinery. The correct answer is the one that matches the description.## Step8For question 28, the question is asking what is the name of the tool used to light the torch. The correct answer is the one that matches the description.## Step9For question 29, the question is asking where the hoses should be located when operating the oxy-fuel machinery. The correct answer is the one that matches the description.## Step10For question 30, the question is asking whether acetylene tanks are more dangerous than oxygen tanks. The correct answer is the one that matches the description.

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