Welding 101 Practice Test

These questions are part of the practice quiz. Start practicing

• In aluminum welding, why is shielding gas used and what gas is common?
• Which of the following is a gaseous combustible?
• What is the correct sequence of the PASS method?
• What filler metals are commonly used for welding mild steel in Welding 101, and how do they differ?
• Which health effects are associated with welding fumes exposure?
• Torch tip size controls which weld characteristics?
• In TIG welding, what is the purpose of using DCEN vs DCEP, and when is AC used?
• What is the consequence of excessive heat input on weld microstructure?
• ANSI Standard Z87.1 is the required standard for what?
• Welding with wet gloves is allowed.
• What should be done with a damaged gas cylinder?
• Which factor controls weld bead width, penetration and speed?
• What basic steps are involved in preparing a weld for painting or coating?
• Which role conducts training classes and evaluates students?
• Which statement correctly contrasts lack of penetration with lack of fusion in welds?
• EMF (electromagnetic field) is described as what kind of radiation with potential health effects?
• Which statement best describes the typical applications of oxyacetylene welding?
• What is the purpose of a flashback arrestor?
• How do fumes from welding affect health, and what are basic mitigation steps?
• What is a butt joint, and what edge preparation might it require for a full-penetration weld?
• What affects the temperature of oxy-fuel flames?
• What is slag removal and why is it necessary in flux-based welding?
• What is PWHT and when is it typically applied?
• What is the primary purpose of the Lock Out Tag Out safety procedure?
• Explain the concept of interpass temperature and why it matters.
• In SMAW welding, what does 'position' mean, and name a common welding position?
• Which materials require fluxes to be welded?
• What do ANSI and AWS stand for?
• Welding rod size and torch manipulation control which?
• What is undercut, and why is it undesirable?
• ANSI Standard Z87.1 governs eye protection in welding environments?
• In oxyfuel cutting safety, sparks can travel up to how far?
• Out of position welding includes which positions?
• What is the primary role of flux in flux-based welding?
• What is ultraviolet radiation?
• How does shielding gas choice influence MIG weld bead shape and penetration?
• Which designation is the mid-level welding inspector?
• Which welding process has the highest fume production due to the flux-containing electrode?
• Explain the effect of travel speed on bead shape in SMAW.
• Which role conducts experiments using new welding techniques, procedures and practices?
• What is the chemical formula for propane?
• What is a long-term health effect of welding fumes overexposure?
• Which role is most likely to be involved in experiments with new welding techniques, procedures and practices?
• What is oxyacetylene welding?
• What causes hydrogen-induced cracking and what are common mitigation steps?
• Torch angle affects which aspects?
• Which statement best describes a secondary voltage shock?
• Gas Metal Arc Welding is also known by which abbreviation?
• What is a major function of fluxes in welding?
• Define heat input and provide its practical impact on weld quality.
• What is the difference between a fillet weld and a groove weld in terms of geometry and filler metal use?
• Explain the concept of a weld throat and its relation to weld strength.
• What is a cap bead and why is it important in multi-pass welds?
• Type C fires
• Which of the following is true about preheating carbon steel before welding?
• Arc welding is defined as?
• Mild steel welds are easiest to weld because of which feature?
• Which role is defined as inspecting equipment, storage facilities, and material handling procedures?
• Which statement best describes lack of fusion and a typical corrective action?
• What is plasma arc cutting (PAC) used for?
• What lens shade number is recommended to use when welding?
• Ohms is the unit for what electrical property?
• Which statement about torch tip size is true?
• Which eye protection is recommended for welding?
• Which statement about welding flux usage is true?
• How would you interpret a basic weld symbol with a fillet on the arrow side of the reference line?
• What creates the heat in electric arc welding?
• What is slag, and how does slag inclusion occur?
• Which practice helps ensure you are using the correct gas product for the welding process?
• What is the purpose of a root pass in multi-pass welding?
• Which PPE item is primarily intended to guard against noise during welding environments?
• In oxyfuel welding, the secondary flame is the orange portion of the flame.
• Which welding symbol on drawings indicates a fillet weld?
• Which role is responsible for training, supervising and evaluating CWI and CAWI?
• Wattage indicates what?
• For a closed-root weld, what is the main focus of inspection?
• Which statement best describes the role of shielding gas in MIG welding?
• What is the purpose of a visual inspection in weld quality control?
• What is open circuit voltage?
• Which role inspects equipment, storage facilities, material handling and procedures?
• Which protective equipment helps reduce exposure to arc radiation?
• Oxyfuel cutting uses which combination to produce a cutting flame?
• What does a backing bar provide for thick-section welds, particularly regarding root penetration?
• In MIG welding, what is the difference between the push and drag technique, and when is each typically used?
• Which role is the conduit for information concerning new technologies that can improve the productivity, reliability and quality of the weld process?
• What types of PAC cutting are listed?
• Natural gas is primarily which hydrocarbon component?
• In welding drawings, how is a fillet weld typically represented, and what does the leg length indicate?
• Which best describes lack of fusion in a weld, and a typical corrective action?
• Which flame types are considered best for soldering and brazing?
• Infrared radiation is a type of electromagnetic radiation that is:
• In aluminum welding, what technique helps reduce porosity due to oxide layer?
• Type A fires
• Which of the following are examples of combustibles?
• What is the meaning of 1G, 2G, 3G welding positions, and why is this naming system used?
• How can distortion be minimized when welding thick sections?
• Can humans conduct electricity?
• Which action helps prevent slag inclusions in a weld?
• Name two nondestructive tests used to evaluate weld quality besides visual inspection.
• What is an advantage of soldering and brazing?
• Certified Welding Inspectors(CWI) can supervise and train CAWI.
• What can IR cause?
• Which statement correctly describes both primary and secondary voltage shocks?
• What is the typical function of a backing bar in welding, and when is it used?
• How does a multi-pass weld compare to a single-pass weld in terms of strength and fill for thick members?
• Which statement correctly contrasts oxy-fuel welding and arc welding in terms of heat source?
• Which statement best describes a primary voltage shock?
• What is the role of electrical safety in arc welding, and what basic precautions should be observed?
• Which statement about ferrous metals is true?
• What is the difference between an open root weld and a closed root weld, and how does it affect inspection focus?
• What is a root gap in a butt weld, and what is a typical acceptable range?
• Why is controlling heat input important in welding?
• Which gas is described as methyl acetylene-propadiene, or MAPP gas?
• Lock out tag out is a safety procedure used to ensure equipment is not used while under repair or maintenance.
• Which statement correctly describes the advantages of torch brazing and soldering?
• What is a bend test and what does it assess?
• What is the purpose of backfilling the crater at the end of a weld?
• In oxy-fuel welding, which feature describes the secondary flame?
• Which role shall train, supervise and evaluate CWI and CAWI?
• How does higher carbon equivalent generally affect weldability?
• In electrical terms, Voltage is best described as what?
• Tungsten Inert Gas (TIG) welding uses what as an electrode and what metals is it commonly used for joining?
• What is the purpose of preheating in welding hydrogen-sensitive materials?
• Which statement best describes a single stage regulator?
• Which role is responsible for setting up and operating robotic welding machines?
• After an area is deemed confined, what tests should be performed?
• What information does a Safety Data Sheet provide?
• Which factor is most associated with porosity formation in a weld?
• What issues can moisture absorbed by welding electrodes cause in a weld?
• A welder is best defined as what?
• Arc radiation consists of which wavelengths?
• Which PPE item is essential to shield the welder's eyes and face from UV and infrared radiation during welding?
• Which factor most commonly governs whether post-weld heat treatment is required?
• Which of the following options best describes a typical application of SMAW (stick) welding?
• What information does the Safety Data Sheet provide?
• In a fillet weld symbol, what does the leg length specify?
• Methacetylene propadiene is abbreviated as what?
• What should you do to the area in front of the welding table before starting?
• What is the typical shielding gas for MIG welding carbon steel?
• What is the difference between short-circuit transfer and spray transfer in MIG/MAG welding?
• Which role is a person with a college degree and professional certification qualified to specify necessary weld requirements?
• After turning on the PAC system, what is the next step?
• Flux-Cored Arc Welding (FCAW) is best described as what?
• Why is proper electrode storage important for low-hydrogen electrodes?
• Which welding process is commonly referred to as MIG welding?
• What are the three components of fire?
• Which item is not considered proper welding personal protective equipment (PPE)?
• In TIG welding, when is AC used and why?
• What is a tack weld symbol used for?
• Which steels are easily welded without flux and most frequently gas welded?
• Which MIG transfer method uses a continuous spray of molten metal at higher current for deeper penetration?
• Shielded Metal Arc Welding (SMAW) is also known as what, and what characterizes it?
• Welding instructors conduct training classes and evaluate students.
• In MIG welding, which position is the push technique most commonly used?
• Ferrous metals are defined as metals that contain what?
• What are the short-term effects of overexposure to welding fumes?
• Oxygen gas is required for which biological process?
• Acetylene gas is produced from reacting calcium carbide with what?
• Which PPE combination protects the feet and legs from sparks and heat during welding?
• Which flame type is most appropriate for soldering and brazing?
• Which statement about gas cylinders is true?
• In PAC system setup, what is the first action to perform?
• In oxy-fuel welding, which feature describes the primary flame?
• What does open circuit voltage indicate about the welding system?
• During PAC system setup, which action ensures electrical safety to the work piece?
• Type ABC
• Which statement about Ohms in circuits is correct?
• Why is preheating sometimes used when welding thick sections?
• How does surface contamination influence porosity in welding?
• What does amperage measure?
• Which statement about torch tip size is true?
• What is fit-up and why is it critical?
• Type B fires
• Which statement describes a welder?
• Which statement best describes a typical application of GMAW (MIG) welding?
• Why is preheating carbon steel before welding commonly practiced, and what effect does it have on the weld?
• Senior Welding Inspector(SCWI) shall train, supervise and evaluate CWI and CAWI.
• What does a groove weld symbol indicate on a drawing?
• Which extinguisher is suitable for Class A fires involving ordinary combustibles?
• Which statement about welding mild steel and low alloy steel is true?
• An area is considered confined if it is large enough for a worker to fit and has limited or restricted means for entry and exit.
• Which step involves identifying where to cut on the material?
• What does carbon equivalence indicate in welding steel?
• Which of the following is not a component of fire?
• What is porosity, and what are typical causes in welding?
• Which gas burns hotter than propane?
• Gas Metal Arc Welding (GMAW) is described as
• Which statement describes a single-stage regulator's pressure behavior?
• What can UV cause?
• Propylene gas formula is which of the following?
• What is crater cracking, and how can it be prevented?
• After lining up the torch with the cut lines, what is the next action?
• Which title serves as conduit for information about new technologies that can improve weld process productivity and quality?
• Which hazards are produced by plasma arc cutting?