Chapter 20 Flashcards
Oxygen and Acetylene gas cylinders should be stored:
secured
vertical
side-by-side
horizontal
secured
vertical
side-by-side
What lens shade should be used for oxyacetylene welding?
Shade 5
Any sunglasses will work
Shade 4
Shade 3
Shade 5
What are the 3 flame zones when lighting and setting the torch?
oxidizing cone
outer envelope
blue flame
inner cone
acetylene feather
outer envelope
inner cone
acetylene feather
Why is the acetylene cylinder valve only opened one half turn?
It is only opened half way so it can quickly be turned off in case of and emergency.
When lighting the torch, which gas is turned on first?
Acetylene
Oxygen
acetylene
When shutting down the torch, which torch valve do you shut last?
Acetylene
Oxygen
oxygen
In the video, acetylene pressure was set at ______ psi for welding.
7
5
6
6
What type of motions should be made with the torch when welding?
back and forth
zig zag
circular
straight line
zig zag
circular
True or False
The right gauge of a regulator tells you how much “fuel” is flowing through the hose to the torch.
False
When dealing with oxyacetylene equipment, red represents ______________.
oxygen
acetylene
acetylene
When setting up oxyacetylene welding equipment, green represents ___________.
oxygen
acetylene
oxygen
Never allow acetylene to get above ______ psi when oxyacetylene welding.
10
5
6
15
15
Which safety equipment is needed when oxyacetylene welding?
leather gloves
long pants
long-sleeve shirt
closed-toed shoes
protective eye shield
all of the above
all of the above
In the video, it was suggested to set the pressure of the oxygen to ________ psi for welding.
5-15
5-10
10-15
5-10
