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List different types of metal transfer in mig welding - Short circuit , pulse spray Define push angle - A travel angle where the electrode is angled to point in What is gas drift - When shielding gas goes away When should safety glasses be worn - At all times The connecting nut that mounts the acetylene hose on the welding torch is what kind of thread - Reverse threaded What are tack welds are used for - Temperary welds to hold in place What does the coating of the electrode provide - Shi...

The approximate temperature of a SMAW arc is _____ degrees F A) B) 10,000-10,500 C) D) - A) Which of the following is not a type of DC welding machine A) Motor or engine-drive DC generator B) Motor or engine-driven DC generator with an AC rectifier C) An AC transformer with a DC rectifier D) Motor pr engine-driven generator with a DC rectifier - B) Motor or engine-driven DC generator with an AC rectifier The average no-load voltage in a DC arc welding circuit is _____ volts A) 10...

used on drawings, project specifications, and welding procedure specifications (WPS) to convey the design specifications of welds. - Welding Symbols When the weld symbol is on both ____________of the reference line, the information applies to both sides of the joint or surface to which the arrow is pointing. - the top and the bottom _______________ appear on both sides of the reference line when a double fillet or double groove weld is specified. - Symbols ______________ shows symbols for ...

In the past, GTAW was called_________________. Today the, the nonstandard TIG, is still used, including in the control nomenclature marked on some welding machines. - (TIG) Tungsten Inert Gas, welding A combination on the arc and the gas generates substantial levels of __________________, which reacts with the oxygen in the area of the weld. - ultraviolet light or(UV) UV radiation can ionize oxygen in the atmosphere near the weld, which can lead to a rise in ozone and ___________________ - ...

The ___________ is a rod of similar composition to the base metal that is usually handheld and manually fed into the leading edge of the weld puddle. - filler metal __________ produces high quality welds without slag or oxidation. - GTAW Since there is ___________, there can be no corrosion due to flux entrapment, so no postweld cleaning is necessary. An exception is the slag LEFT by some flux-cored rods, which must be removed. - no flux Either the _________________ must be an approved shad...

When overlapping stringer beads, use a work angle of ______ to _____ degrees toward the first stringer bead to obtain proper tie-in. - 10-15 The general rule is that the arc length should be _________________ when striking an arc in SMAW welding. - same as the rod. Concentrated magnetic fields in the base metal cause the arc to __________. - deflect Use a __________ motion to control the weld puddle when depositing an E6010 electrode stringer bead. - whipping A ________ bead is a weld bea...

welding current is transferred from the electrode holder and into the workpiece through the ______ - Wire Core of the Electrode The harmful oxygen and hydrogen present in the atmosphere surrounding a molten SMAW weld is pushed away by the __________ - gaseous shield of carbon dioxide The purpose of the specifications written by the American Welding Society (AWS) is to set standards that all manufacturers must follow when manufacturing _____ - Welding Consumables The number placed at the en...

A jet of compressed air passing through the electrode holder and its head blows the molten metal away. - (A-CAC) This (A-CAC) process can be used in _______________ on any metal that will conduct electricity, such as carbon steel, stainless steel, cast iron, and copper, as well as their alloys. - All positions It is primarily used to ___________________, ______________, ______________, and to prepare ________________. - gouge weld grooves, back-gouge welds, defective welds, cracks for weldi...

A waste by product of molten metal. - Dross A fourth state of matter (not solid, liquid, or gas) created by heating a gas to such a high temperature that it boils electrons off the gas molecules (ionization). - Plasma The plasma arc cutting process type most commonly . used. - Transferred Arc Process When operating plasma arc cutting equipment, it is acceptable to wear a hat made out of ______. - 100% cotton The unit of measure used for the intensity of an electric current; often abbreviat...

The oxyfuel cutting process creates oxides that mix with molten iron and produce dross, which is blown from the cut by a jet of _______________ - Pure oxygen Carbon Dioxide, Argon, and Nitrogen are all gases that are suitable for ________. - Purging explosive fumes from containers A lighter than air compound of carbon and hydrogen that is formed by dissolving calcium carbide in water is __________. - Acetylene Safety devices used on regulators, hoses, and torches to prevent reverse gas flo...

The distance from the molten tip of the SMAW electrode to the surface of the molten weld pool should be - One electrode diameter Which of the following is an INCORRECT statement about an E7018 electrode? - They are suitable for flat position and horizontal fillet only Of the following, which is NOT a requirement for the SMAW process? - Gas supply Which of the following electrodes would you select to produce a weld with shallow penetration? - E6013 Which one of the following electrodes is ...

One of the primary uses for air-carbon arc cutting (A-CAC) is___. - To gouge weld grooves, to backgouge welds, and to gouge out defective welds When the electrode is gripped in the torch handle, the electrode tip should be no further from the heads than ___. - 6" (15 cm) Electrodes designed for A-CAC use are copper coated and contain an arc-stabilizing ingredient referred to as ___. - A rare-earth metal One of the procedures to prevent fires or explosions during A-CAC work is to make sur...

What use is oxyfuel cutting best suited for? - ferrous metals The stream of high pressure cutting oxygen that is directed from an oxyfuel torch causes to metal to instantly _____? - oxidize The recommended range of tinting for either the face shield or the safety glass lenses used during an oxyfuel cutting operation is ______? - 3-6 Most welding environment fires occur during _____? - Oxyfuel gas welding or cutting When preparing a tank or vessel that might have contained flammable materia...

burn to the skin produced by brief exposure to intense radiant heat and ultraviolet light - Arc burn the permanent joining of metallic parts to form an electrically conductive path that will assure electrical continuity and the capacity to safely conduct any current likely to be imposed on it - Bonded an alloy of iron combining iron and usually less than 1 percent carbon to provide hardness - Carbon steel the flow of an electrical current across an air gap or gaseous space - Electric arc c...

Which of these modern methods use a flux-coated consumable welding rod? A. SMAW B. GTAW C. FCAW D. GMAW - A. SMAW In which of these processes is acetylene used? A. Gas tungsten arcwelding B. Carbon arc cutting C. Flux score arcwelding D. Oxy fuel cutting - D. Oxy fuel cutting In the oxyfuel cutting process, which of the following is used as a fuel gas? A. Oxygen B. Propane C. Nitrogen D. Argon - B. Propane Apprenticeship programs in the United States must be registered with A. NC...

Companies with strong safety cultures usually have lower - turnover which of these is a true statement regarding safety? safety is a learned behavior and attitude, safety is a consciousness comes naturally to most individuals, safety primarily depends on workers in the field, or safety does not normally require training - safety is a learned behavior and attitude Poor lighting, excessive noise, and inadequate guards for moving parts are examples of what? - unsafe conditions the activity th...

In the SMAW method, what kind of consumable electrode is used to place the weld? - flux coated What is the most common fuel gas used for oxyfuel cutting? - acetylene The Department of Labor's ______________________ sets the minimum standards for training programs across the country. These must be registered with the US Dept. of Labor. - Office of Apprenticeship Welders should never wear clothing made from _____________________ or other synthetic fibers. - polyester While welding, _____...

the demonstration that welds made following a specific procedure can meet prescribed standards - welding procedure qualification a discontinuity or imperfection that renders a part of the product or the entire product unable to meet minimum acceptable standards or specifications - defect the type of discontinuity that is identified by cracking in the base metal near the weld, but under the surface - underbead cracking metals that have the ability to be made harder by heating and then cooli...

Which of the following positions demonstrates air-fluid levels? 1. Upright 2. Lateral decubitus 3. Lateral a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3 - A What is the purpose of rotating the patient's shoulders anteriorly for the PA projection of the chest? a. This motion rotates the scapulae out of the lungs. b. This motion reduces magnification of the heart shadow. c. This motion makes the position more comfortable for the patient. d. This motion place...

Which of the following statements are correct regarding the link between radiation dose and genetic effects? 1) The link has been demonstrated in human studies. 2) The link has been demonstrated in animal studies. 3) Increased risk to humans cannot be predicted with respect to an individual. - 2 & 3 only Which of the following changes in kilovoltage (kVp) will result in the greatest reduction of patient dose, when milliampere-seconds (mAs) is adjusted to compensate for the change? - Incre...