the soft, white stone used to mark metal
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soap stone
The cutting tips used with liquefied fuel gases must have at least ______ preheat holes.
a. four
b. five
c. six
d. seven
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, six
The attachment on the top of a fuel gas cylinder that allows the gas to flow only in
one direction is called a _______.
a. single-stage regulator
b. two-stage regulator
c. flashback arrestor
d. check valve
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check valve
a loud snap or pop as a torch flame is extinguished
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backfire
When pure oxygen is combined with fuel gases, the pure oxygen produces ______.
a. argon
b. hydrogen
c. a colorless, odorless, and tasteless gas
d. a high-temperature flame needed for flame cutting
Give this one a try later!
Give this one a try later!
soap stone
The cutting tips used with liquefied fuel gases must have at least ______ preheat holes.
a. four
b. five
c. six
d. seven
Give this one a try later!
, six
The attachment on the top of a fuel gas cylinder that allows the gas to flow only in
one direction is called a _______.
a. single-stage regulator
b. two-stage regulator
c. flashback arrestor
d. check valve
Give this one a try later!
check valve
a loud snap or pop as a torch flame is extinguished
Give this one a try later!
backfire
When pure oxygen is combined with fuel gases, the pure oxygen produces ______.
a. argon
b. hydrogen
c. a colorless, odorless, and tasteless gas
d. a high-temperature flame needed for flame cutting
Give this one a try later!
