welding exam review - part 1
Acetylene can never exceed what working PSI?
15 PSI
Approximately how much pressure does a fully filled oxygen cylinder hold?
2200 psi
What does E7018 stand for
A basic electrode designed to improve deposition rate and bead appearance for welding mild and low alloyed steels under conditions of high restraint
What is flashburn? And what part of your body does it burn?
A burn to the eye produced by Arc Welding
What are the five welding joints?
Butt joint, corner joint, lap joint, tee joint and edge joint
What color is an oxygen hose?
Green
plug and slot welds are commonly used on what joint?
Lap joint
MSDS or SDS sheets are what?
Material Safety Data Sheets that explain different chemicals and hazardous materials. These sheets list information such as precautions and possible hazards of a chemical substance
Should acetylene and gas ever be used while it is lying on its side?
No
What does OSHA stand for and what do they do
Occupational Safety and Health Administration. They assure safe and healthful working conditions for working men and women by setting and enforcing standards and by providing training, outreach, education and assistance
You should never use what on torch fittings, hoses, regulators and cylinders
Oil
Shade lenses should be used for what type of welding
Oxyfuel welding and cutting
What color is a fuel gas hose?
Red
What is the primary element of every welding symbol?
Reference line
A burn that causes skin to blister is what kind of burn
Second Degree
What is SMAW-
Shielding Metal Arc Welding = Arc welding process in which metal is cut by melting it with the heat of an arc between a covered electrode and the base metal
What side of the reference line of a weld symbol is the other side?
above the reference line
What is a Hot Work Permit needed for?
any temporary operation involving open flames or producing heat, sparks, or both in an occupied tenant space
What is the difference between a back weld and a backing weld
backing weld is done before back weld
Areas less than 10,000 cubic feet per welder or that have ceilings less than 16 feet high require what kind of ventilation
forced
Is acetylene and liquid or gas inside the tank?
gas
Can oxygen be stored with flammable gases
no