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The weld bead in SMAW is formed by the Correct Answer - Electrode wire core mixing with molten base metal. Which American Welding Society (AWS) specification(s) cover the most common electrodes for welding carbon (mild) steel and low-alloy, high strength steels? Correct Answer - A5.1 and A5.5 The rated tensile strength of the deposited weld metal from the E7018 electrode is: Correct Answer - 70,000 All SMAW electrodes used for code-governed work must have the AWS classification number p...

american society of mechanical engineers (ASME) Correct Answer - The boiler and pressure vessel code is published by the_______. American National Standards Institute (ANSI) Correct Answer - The private organization that does not actually prepare standards, but instead adopts standards that it determines are of value to the public interest is called the Jump the chain of command Correct Answer - if you are directed to perform work that you believe is unsafe and your immediate supervisor di...

SMAW Correct Answer - shield metal arc welding AWS Correct Answer - American Welding Society What does the AWS do? Correct Answer - Set standards, creates terms, gives certifications Disadvantages of SMAW Correct Answer - 1. Low electrode efficiency rate (65%) 2. Low deposition rate 3. Slow travel speed 4. Sub end loss 5. High amount of slag produced Advantages of SMAW Correct Answer - 1. Low cost 2. Very portable 3. Additional shielding gas is not required 4. Can be used in ...

Acetylene Correct Answer - A highly unstable fuel gas with the chemical formula C2H2, used for welding, brazing, and flame cutting processes. Acoustic Emission Testing (AE) Correct Answer - An NDE method that utilizes a class of phenomena whereby transient elastic waves are generated by the rapid release of energy from localized sources within a material. Alloy Correct Answer - A solid solution of a metal containing two or more metals or non-metals. Alloy Steel Correct Answer - A soluti...

GMAW Correct Answer - Name used by the American Welding Society for Gas Metal Arc Welding GMAW is also know as... Correct Answer - Metal Inert Gas (MIG) or Metal Active Gas (MAG) depending on gas used for shielding The GMAW process was developed and made commercially available when? Correct Answer - 1948 The GMAW process was introduced when? Correct Answer - the 1920's early commercial applications were used to weld aluminum with what inert gas? Correct Answer - Argon or Helium W...

Cables too small Correct Answer - Cable could overheat and damage machine Cable too large Correct Answer - Resistance will jump, increase amps Cable too long Correct Answer - Voltage drop causing insufficient penetration What shade lvl do you weld SMAW with Correct Answer - At least 10 Who standardized electrodes? Correct Answer - American welding society(AWS) What do the first 2 or 3 #'s stand for In electrodes? Correct Answer - Tensil strength in tens of thousands psi What d...

Why is usage of the term gmaw preferrable to Mig for gas metal arc welding Correct Answer - When G M A W process first started being used it was used to weld aluminum using argon gas for shielding as a result the process of was known as Mig for metal inert gas welding later introduction of CO2 and O2 to the shielding gas resulted in the American welding Society preferred term G M A W or gas metal arc welding What maintains the Ark in machine welding Correct Answer - Machine What feeds the ...

The oxy-fuel process uses oxygen and what other types of gases? Correct Answer - Acetylene/Natural Gas/Mapp Gas/Propane What size CRR (cold roll rod) should be used when using a 1/2" "die?" Correct Answer - 1/2 inch What is the most common fuel gas used for oxy-fuel welding? Correct Answer - Acetylene What type of thread and hose color are fuel gases associated with? Correct Answer - Left handed thread, red hose What type of welding process is SMAW? Correct Answer - Fusion What...

Which of the following is NOT a welding position? a. Flat b. Horizontal c. Back hand d. Overhead Correct Answer - c. Back hand which number and letter combination does the AWS assign to the flat welding position? a. 1G b. 2G c. 3G d. 4G Correct Answer - a. 1G Which of the items listed below is NOT normally used to hold a weld joint to prevent it from warping or changing shape during welding? a. Clamps b. Jigs c. Fixtures d. Slip-joint pliers Correct Answer - d. Slip-joint pl...

A weld is formed when the materials ________. a. liquefy and separate b. develop pockets of oxygen c. coalesce into a single continuous solid d. becomes porous Correct Answer - c. coalesce into a single continuous solid Which of the following is the hottest burning gas? a. acetylene b. butane c. methane d. propane Correct Answer - a. acetylene The _______ is the junction of the weld face and the base metal. a. Weld root b. Backing weld c. Weld toe d. Groove weld Correct Answ...