WorksheetsOxygen Acetylene Cutting
Total questions: 30
Worksheet time: 2hrs 11mins
This would be an example of a __________________ tank.
Oxygen
Acetylene
Carbon dioxide
Argon
This would be an example of a _______________________ tank.
Acetylene
Propane
Argon
Oxygen
When setting the acetylene regulator for cutting 1/4 thick steel what should the pressure be set to ?
30 PSI
60 PSI
10 PSI
20 PSI
When setting the oxygen regulator to cut 1/4 inch steel what should the regulator be set to ?
30 PSI
60 PSI
10 PSI
20 PSI
What is the proper way to open an oxygen bottle ?
Half way
1/4 turn
1/8 turn
All the way open
What is the proper way to open an acetylene bottle ?
1/4 turn
1/8 turn
1/2 turn
All the way open
When lighting the torch head assembly what valve or (valves) must be open in order to light it properly
Just acetylene valve partly open
Just oxygen valve partly open
Both oxygen and acetylene valves 1/2 turn
Both oxygen and acetylene valves wide open
When properly shutting down the torch head assembly what valve should be shut down first ?
Oxygen valve
Acetylene valve
It does not matter
Both at the same time
Pure oxygen is a molecule and is called _________________.
air
O2
O3
gas
Acetylene is a hydrocarbon molecule H2C2, the H & C stand for ________ __________.
helium & carbon
hydrogen & carbon
hydrogen & copper
helium & copper
To light the torch, the __________ valve must be opened first.
air
gasoline
fuel
oxygen
The acetylene is adjusted so the smoke disappears.
True
False
The oxygen valve is opened on and adjusted to obtain a __________ flame
purple
feather
hot
neutral
When shutting down the torch, the fuel gas is turned off first.
True
False
With the oxygen and acetylene properly adjusted the temperature of the flame is ____________ degrees.
60,000
2,800
6,000
4,000
When starting to cut steel, the blue cones are off the plate 1/8" and waiting for the steel to turn red.
True
False
At the _____________ temperature, steel is ready to burn.
high
kindling
burning
red
When the steel is hot enough, the cutting oxygen lever is pushed and the steel starts to ___________.
burn
oxidise
widdle
melt
What is the maximum working pressure of Acetylene?
5
13
14
15
16
What color is the Oxygen hose?
Red
Orange
Yellow
Green
What color is the Fuel Gas hose?
Red
Orange
Yellow
Green
Never open any Oxygen valve all the way.
True
False
Always start with the fuel gas first when operating the torch.
True
False
Never cut directly on concrete or gravel.
True
False
Never apply what to valves or gauges of compressed oxygen cylinders?
water
oil or grease
soapstone
tape
Oxygen Cylinders are compressed up to what PSI?
1000
2500
4000
5000
Why do we need a Regulator on the Gas Cylinder?
To make sure no gas leaks from the cylinder
To regulate the pressure of gas released from the cylinder
To prevent gas from flowing backwards back into the cylinder
To regulate the temperature of the Gases
What is the tool name shown in fig
Spark lighter
Work piece
Nozzle cleaner
What is welding?
Join two metal parts together by heat
Join two metal parts together by nail
Join two metal parts together by glue
Join two metal parts together by oil
15. How should gas cylinders be transported to a workstation?
a. Carried by hand with one worker on each end of the cylinder
b. Lying flat in a cylinder cart or truck
c. Rolled carefully by a qualified worker from the storage area
d. In an upright position on a hand truck or bottle cart
