Oxy-Fuel Flashcards

1
Q

Before Attaching the regulator to a new cylinder, always _____ the cylinder by quickly opening and closing the cylinder valve.

A

Crack

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2
Q

Should oil or other lubricants be used on fittings or connections?

A

No

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3
Q

What would happen if a cylinder was unchained or moved with the cylinder cap on?

A

It would become a projectile
Could cause an explosion
Would rocket around the room

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4
Q

Why should oxygen never be used as compressed air?

A

Makes you highly flamable

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5
Q

Why can you not connect different regulators to different lines?

A

Male female situation

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6
Q

Fuel gasses have _____ or left handed threads.

A

Reverse

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7
Q

When opening the cylinder valve, where should you stand?

A

To the side

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8
Q

What three things could damage a hose?

A
  • Sharp edges
  • Oil
  • Flames/heat
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9
Q

Never release fuel gases into a confined area where they may cause a fire or _____.

A

Explode

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10
Q

Use what to detect leaks in equipment/hoses?

A

Soapy Water

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11
Q

What are the safety valves on cylinders designed to do?

A

Let gasses out

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12
Q

How far should Oxygen and Fuel valves be opened?

A

Oxygen - all the way

Fuel - One full turn

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13
Q

What PSI amount should acetylene never be used at?

A

15+ PSI

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14
Q

What is backfire?

A

When the cutting torch makes a pop or snap sound

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15
Q

What is a flashback?

A

Where fire burns inside the torch

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16
Q

How should cylinders be stored?

A
  • Chained Upright
  • At Least 20ft From Combustibles
  • Caps On
  • Full Separate From Empty
  • Oxygen Separate From Propylene By A Fire Wall
17
Q

When Cutting what shade of tint do you need?

A

3-5

18
Q

When cutting, a person needs to wear ____?

A
  • Gloves
  • Apron
  • Boots
  • Flame Resistant Clothing
19
Q

T or F

Matches or cigarette lighters can be used to ignite the oxy-acetylene torch.

A

F

20
Q

T or F

Galvanized steel and burning paint do not give off toxic fumes.

A

F

21
Q

T or F

It is okay to weld or cut on containers that have held flammable or toxic substances.

A

F