Oxy-fuel Equipment And Procedures Part B

Question 1

What materials are suitable for cutting with oxyacetylene?

Answer 1

Ferrous metals suck as steel

Question 2

What materials are not suitable for cutting with oxyacetylene?

Answer 2

Non-ferrous metals such as copper,brass, bronze, aluminum and their alloys.

Question 3

What are 3 ways you can start a cut on a round shaft?

Answer 3

Chisel a Nick, drill Nick, bead of arc weld

Question 4

To start your cut the pre heat cones should be how far away from the material?

Answer 4

The pre heat cones should be about 1/16 inch from the surface.

Question 5

What are 3 types of flame?

Answer 5

Carbonizing,neutral, and oxidizing.

Question 6

Carbonizing flames are rich in?

Answer 6

Acetylene

Question 7

Neutral flames have no excess of?

Answer 7

Acetylene or oxygen

Question 8

Oxidizing flames are rich in?

Answer 8

Oxygen

Question 9

Neutral flames are refereed to be the most?

Answer 9

Common flame to use

Question 10

What is the rupture disc breaking point?

Answer 10

3200 psi breaking point

Question 11

Rose buds are used for?

Answer 11

Lots of heat

Question 12

Why are torches only hand tightened?

Answer 12

Don’t damage the o-rings

Question 13

2 functions for regulators are?

Answer 13

Reduce tank pressure to working pressure. Maintain pressure

Question 14

Where does back fire happen at?

Answer 14

In the mixer assembly in the torch

Question 15

Where does flash back happen at?

Answer 15

Always beyond the mixer our in the flash back arrestors