Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
|
Goggle are worn when using oxyacetylene equipment to protect the eyes from:
a) light b) heat c) sparks and slag d) all of the above |
d) all of the above
|
|
|
Technician A says it is acceptable to carry a disposable lighter in your pocket when using oxyacetylene equipment. technician B says nylon clothing is much better to wear than cotton when using oxyacetylene equipment. which technician is correct?
a) Technician A b) Technician B c) both technicians d) Neither technician |
d) Neither technician
|
|
|
To check for leaks in oxyacetylene equipment you should use:
a) a match b) a lighter c) soap and water d) any of the above |
c) soap and water
|
|
|
Shop ventilation is adequate when cutting which of the following with oxyacetylene equipment?
a) Galvanized sheet metal b) a cadmium coated muffler c) a piece of metal joined with lead-tin solder d) none of the above |
d) none of the above
|
|
|
If grease is exposed to pure oxygen, the grease can explode:
a) without ignition b) only if a spark ignites it c) only if a flame ignites it d) any of the above |
a) without ignition
|
|
|
When oxygen from a cylinder is being used, the valve should be opened:
a) fully b) no more than 2 turns c) no more than 1 turn d) no more than 1/2 turn |
a) fully
|
|
|
Fusible plugs in acetylene cylinders are located:
a) in the top of the cylinder b) in the bottom of the cylinder c) both a) and b) d) neither a) or b) |
c) both a) and b)
|
|
|
Acetylene should be drawn from an acetylene cylinder only when the cylinder is:
a) Located with the words UP ONLY pointing up b) upright c) on its side d) upside down |
b) upright
|
|
|
As cylinder pressure decreases, the outlet pressure from a pressure regulator:
a) does down b) remains constant c) goes up d) does up at first then down |
b) remains constant
|
|
|
Oxygen hoses use with oxyacetylene equipment are:
a) yellow b) orange c) red d) green |
d) green
|
|
|
Acetylene hoses used with oxyacetylene equipment are:
a) red b) green c) orange d) purple |
a) red
|
|
|
All fittings used for oxygen use in oxyacetylene equipment:
a) All identified with an annular groove b) are left-hand thread c) both a) and b) d) neither a) or b) |
d) neither a) or b)
|
|
|
Flashback arrestors used with oxyacetylene equipment are installed in:
a) the oxygen line b) the acetylene line c) both a) and b) d) neither a) or b) |
c) both a) and b)
|
|
|
When you are finished using oxyacetylene equipment:
a) The oxygen and acetylene should be shut off at the cylinders and the regulators should be left alone b) The oxygen and acetylene should be shut off at the torch valves and the regulators should be left alone c) The oxygen and acetylene should be shut off at the cylinders and the torch valves and the regulators should be left alone d) The oxygen and acetylene should be shut off at the cylinders and the regulators should be backed out completely |
d) The oxygen and acetylene should be shut off at the cylinders and the regulators should be backed out completely
|
|
|
The most suitable flame to use when heating with oxyacetylene equipment is:
a) An acetylene flame b) Carbonizing flame c) An oxidizing flame d) a neutral flame |
d) a neutral flame
|
|
|
When using oxyacetylene equipment for heating, the acetylene regulator is adjusted to:
a) The pressure used when balancing the torch b) The pressure recommended by the manufacturer c) 7 kPa (1 psi) per tip size d) 105 kPa (15 psi) per tip size |
a) The pressure used when balancing the torch
|
|
|
A Backfire that occurs when using an oxyacetylene heating tip might occur because:
a) oxygen pressure is higher than acetylene pressure b) Acetylene pressure is higher than oxygen pressure c) Oxygen pressure is too low d) Acetylene pressure is too low |
d) Acetylene pressure is too low
|
|
|
The material that can be cut easily using an oxyacetylene torch cutting attachment is:
a) carbon steel b) stainless steel c) copper d) aluminum |
a) carbon steel
|
|
|
When used for cutting, an oxyacetylene torch is:
a) Always held at 90° to the material b) Inclined more for thin material c) Inclined more for thick material d) Held at a 45° angle to start the cut and straightened to 90° as the cut progresses |
b) Inclined more for thin material
|
