Oxy/Acetylene Cutting Torch Parts

An oxygen cylinder when filled at 70°F will contain a pressure of about 2,200-2,500 psi.

• True

• False

The maximum working pressure that acetylene gas can be used safely is ________ psi

• 5

• 10

• 15

• 30

The _______ ________ is used to increase or decrease the gas pressure delivered to the torch from the regulator.

• idle screw

• adjusting screw

• cylinder screw

• thumb screw

A __________ occurs when the flame goes out with a loud pop.

• flashback

• kickback

• flameback

• backfire

A lighter should be used to light the oxy-fuel torch

• True

• False

Number 90 is called _____________.

• junction

• cutting attachment head

• mixing tube

• tube connector

Number 93 is called ____________.

• preheat oxygen adjustment knob

• acetylene adjustment knob

• cutting oxygen knob

• brass knob

Number 92 is called _____________.

• oxygen tube

• acetylene tube

• mixing tube

• support tube

Number 91 is called _______________.

• locking lever

• mixing lever

• preheat oxygen lever

• cutting oxygen lever

Number 87 is called _______________.

• cylinder pressure gauge

• high pressure gauge

• working pressure gauge

• regulator dial