Which of the following is a correct statement regarding the selection and/or connection of shielding-gas
cylinders to the welding equipment?
a. The shielding gas selection is not important; all of the available gases do an equal job in all welding
applications.
b. Remove the cylinder's protective cap, momentarily crack the cylinder valve open to blow out any dirt,
and then close it.
c. Install the regulator/flowmeter assembly first, then crack the cylinder valve open to blow out any dirt
and debris.
d. When using argon as a shielding gas, special precautions and respirators are required due to its
toxicity.
b
You might also like to view...
Puritan religious beliefs allowed all of the following EXCEPT
A. drinking alcohol. B. eating plentifully. C. challenging religious authority. D. making love discreetly. E. singing songs.
Softwood lumber is from conifers (evergreens), while ____________________ lumber is from
deciduous trees.
Fill in the blank(s) with the appropriate word(s).The section of the furnace that reaches the highest temperature is the:
a. convection section b. radiant section c. shock bank d. firebox
When aiming headlights using a light screen, how far should the lights be from the screen?
A) 25 ft B) 8 ft C) 1 ft D) 12 ft