As thickness of steel increases, preheat and oxygen flow ________
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Increase as cutting speed decrease
It is possible to cut air-hardening steels containing up to 6% chromium if they are
________
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Preheated
The method used principally for welding very heavy sections is ________
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Backhand
When stopping welding for a short period of time, the first thing to be turned off
should be the ________
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Torch fuel-gas valve
The type of flame generally used in welding steel is the ________
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Neutral
The most satisfactory method of welding sheets and light plates in all positions is
________
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Forehand
Almost all low-alloy steels can be cut without difficulty if the chromium content is no
more than _________
Give this one a try later!
Increase as cutting speed decrease
It is possible to cut air-hardening steels containing up to 6% chromium if they are
________
Give this one a try later!
Preheated
The method used principally for welding very heavy sections is ________
, Give this one a try later!
Backhand
When stopping welding for a short period of time, the first thing to be turned off
should be the ________
Give this one a try later!
Torch fuel-gas valve
The type of flame generally used in welding steel is the ________
Give this one a try later!
Neutral
The most satisfactory method of welding sheets and light plates in all positions is
________
Give this one a try later!
Forehand
Almost all low-alloy steels can be cut without difficulty if the chromium content is no
more than _________
