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- 1. Multiple ChoiceWhat is one reasons to use oxy-fuel welding?High CostNot ProtableFast ProcessNo Electricity Required
- 2. Multiple ChoiceYou have began to heat two pieces of metal when should you move forward?When the two puddles coalesceWhen both pieces get hotWhen both pieces turn redWhen its time
- 3. Multiple ChoiceWhat is a neutral flame?A working flamean oxidizing flameA carbonizing flameA cutting flame
- 4. Multiple Choice_______ is a difference between oxygen and acetylene tank.Oxygen tank is hallow and acetylene is not.Oxygen tank is NOT hollowAcetylene is stable.Oxygen tank is red.
- 5. Multiple ChoiceT or F: Cylinders with compressed gas can be dangerous so we always chain cylinders to the wall or the cart.TrueFalse
- 6. Multiple ChoiceWhat is the difference between a cutting torch and a welding tip?One is used to weld, and the other is used to cutA cutting torch uses oxygen and a welding tip does not.A welding tip uses oxygen and a cutting torch does not.They both use oxygen
- 7. Multiple ChoiceWhat is the difference between a cutting torch and a welding tip?A cutting torch uses oxygen and a welding tip does not.A cutting torch uses acetylene and a welding tip does not.One is for cutting and the other for welding.One of them attaches to the torch handle the other doesn't
- 8. Multiple ChoiceHow much pressure should the regulator read for oxygen and acetylene when welding?Oxygen 25 Acetylene 10Oxygen 30 and Acetylene 10Oxygen 15 and Acetylene 7Oxygen 10 and Acetylene 7
- 9. Multiple ChoiceWhat is PSIPressure per Square InchPressure per Surface InsidePause per square inchPause per surface inside
- 10. Multiple ChoiceWhat are the TWO types of flames other than neutral flame?Carbon and OxygenCarburizing and OxidizingGood FlameWorking Flame and Neutral Flame
- 11. Multiple ChoiceAt what height should you always keep your torch?1/2 Inch3/4 Inch1/4 Inch1/8 Inch
- 12. Multiple ChoiceIt is dangerous to weld something that is flammable because?It can explodeToo much flameYou don't know what is flamableIt's not dangerous
- 13. Multiple ChoiceT or F: Brazing is a non-fusion weldTrueFalse
- 14. Multiple ChoiceT or F: You should never change the gas tanks without assistance or permission from an instructor.TrueFalse
- 15. Multiple ChoiceT or F: You must wear shoes made of cloth in the welding shop.TrueFalse
- 16. Multiple ChoiceT or F: It is okay to wear a T-Shirt while welding.TrueFalse
- 17. Multiple ChoiceT or F: A hollow acetylene tank can be compressed above 15 PSI.TrueFalse
- 18. Multiple ChoiceThe first thing you should do when SETTING UP to weld is ______.Check RegulatorsOpen tank valvesTurn off tank valvesLight the torch
- 19. Multiple ChoiceWhen turning off your flame, what is the first step?Turing off the acetyleneTurning off the oxygenTuring off the tankTurning off the regulator
- 20. Multiple ChoiceYou have extinguished your flame, and turned off the tanks, what is the next step?Turning off the tankOpening the torch valves to bleed the line.Backing off the regulatorOpening the tanks
- 21. Multiple ChoiceThe part of the oxy-fuel welder that is responsible for regulating tank and line PSI is called the ____________.RegulatorValveGaugeCart
- 22. Multiple ChoiceThe _______ must be turned on before we can light the torch?Acetylene torch valveOxygen torch valveAcetylene tank but not the oxygen tankThe oxygen tank valve
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