Canadian Welding Bureau (CWB) Level I Practice Exam

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• Why is preheating a base metal sometimes required before welding?
• When using a combination of weld symbols, the order of progression starts closest to which feature?
• In a fillet weld, what is the effect of increasing leg length and what is the potential drawback if it gets too large?
• If a joint requiring complete penetration is accessible from only one side, which symbol is used?
• When should an NDT designation be centered on the reference line?
• Where should the leg length of a fillet weld be measured?
• The tail of the welding symbol is used to indicate the welding process.
• Can multiple types of NDE be identified on one symbol on any side or in the centre of a reference line symbol?
• Which label in a welding symbol communicates information intended for field work rather than fabrication?
• Hydrogen-induced cracking prevention?
• Where on a welding symbol will you find the length of an intermittent fillet weld?
• What is slag and what role does it play during welding?
• Which welding process uses a continuously fed wire electrode and shielding gas?
• Where is the length of a test section indicated?
• Poor slag control during welding most commonly results in which defect?
• Which term describes the component known as the 'effective throat' of a fillet weld?
• In ISO 2553 symbolic representation, what does the dashed line indicate?
• Where is the fillet weld's size shown?
• Where are units of measure typically found in welding documentation?
• Which is the correct sequence of operations when using multiple reference lines in welding symbols?
• True or False: A fillet weld symbol has the vertical line to the left of the symbol.
• What is electrode coating used for in shielded arc welding processes?
• Where would the length of a test section be indicated?
• The pitch of a fillet weld is defined as which distance?
• In FCAW, flux-related functions contribute to the weld deposit?
• If the same examination type is to be performed on both sides of a joint, where must the letter designation appear?
• Groove weld size will always exceed the effective throat size for a partial joint penetration groove weld.
• Define butt joint and fillet weld.
• The arrow side/other side significance will depend on the direction of the arrow.
• Which weld joint is used to join a solid round bar to a plate with flush welds on both sides along its length?
• How can weld spatter be controlled?
• How is the fillet weld throat thickness calculated when the leg length is L?
• Name a common cause of weld cracking and how it can be prevented.
• What is the difference between parent metal and filler metal?
• How is a request for test all around in the field indicated on a reference line?
• When multiple weld symbols are used, the progression starts closest to the reference line.
• What does GTAW stand for?
• On a welding drawing, which element carries the joint design?
• Why should electrodes be stored dry and in their original packaging?
• Which portion of project documents communicates the unit system used for dimensions?
• Fillet weld gauge is used to measure which dimension(s)?
• When is a backing weld applied?
• GMAW stands for?
• The main element of any welding symbol is which of the following?
• Which type of symbol is used to express that a weld is to be completed in the field?
• Which statement about field testing symbol placement is correct?
• What is porosity in a weld and what typically causes it?
• Which welding process uses a non-consumable tungsten electrode?
• True or False: Groove weld size and the throat size for a partial joint penetration groove weld must be included in the welding symbol.
• Where on a welding symbol will you find the length of an intermittent fillet weld?
• Which statement is true regarding units of measure in welding drawings?
• What does penetration mean in the context of a groove weld?
• A welding symbol reference line can have multiple arrows.
• In welding fabrication, which document most commonly specifies units of measure for dimensions?
• Which process uses a non-consumable tungsten electrode?
• In Shielded Metal Arc Welding, what is the function of the flux coating on the electrode?
• True or False: ISO 2553 System A symbolic representation consists of one solid and one dashed reference line in parallel.
• For a plug weld, where is the depth of filling indicated on the welding symbol?
• What is the heat-affected zone (HAZ)?
• Dry storage of electrodes helps prevent which welding problem?
• What is the primary purpose of a Welding Procedure Specification (WPS)?
• What type of symbol denotes that a weld is to be completed in the field?
• What is undercut in a weld?
• Which process uses a non-consumable electrode?
• Which statement describes the correct sequence of operations when multiple reference lines exist in a welding symbol?
• Which statement correctly describes the location of the pitch measurement for an intermittent fillet weld?
• True or False: Arrow side significance will have the weld symbol on the top of the reference line.
• When multiple NDE tests are required, where can the test quantity be found?
• Which side of the welding symbol indicates the length of an intermittent fillet weld?
• Which information cannot be provided by a weld symbol?
• Where is the test all around symbol centered when indicating a field test?
• True or False: Groove weld size and effective throat size for a partial joint penetration groove weld must be included in a welding symbol.
• Where is the depth of filling shown for a plug weld symbol?
• Weld spatter is defined as what?
• How is the strength of a fillet weld determined?
• Arc length affects which weld characteristics?
• Fillet welds join two surfaces at a right angle with what type of bead?
• When is a backing weld applied?
• What is a weld bead?
• Can multiple types of NDE be identified on one symbol on any side or in the center of a reference line symbol?
• Which welding process is typically used for high-deposition-rate welds and outdoor work due to flux-cored electrode?
• True or False: The tail of a welding symbol is optional.
• Which element in a welding drawing most directly communicates the units for all dimensions?
• Which statement best describes ISO 2553 System A reference lines?
• Which welding process is often chosen for high-quality welds on thin materials and requires precise control?
• What is a main reason for proper electrical grounding in welding safety?
• What does SMAW stand for and what is its basic principle?
• Where is the size of the root opening of a weld joint shown?
• Which side of the symbol indicates the length of the test section?
• PWHT is used to do what?
• Where can the test quantity be found when multiple NDE tests are required?
• In groove welds, the root gap is defined as which of the following?
• If the same examination type is to be performed on both sides of the joint, the letter designation must appear on both sides.
• How is a welding symbol read on a drawing (arrow and reference line)?
• Where is the fillet weld's size shown?
• FCAW stands for?
• An intermittent weld is characterized by what feature?
• What is represented by a filled (black) semi-circle appearing on a reference line?
• In a fillet weld with a flat profile, how is the actual throat defined?
• When multiple reference lines are used, which line should be considered first when interpreting the welding symbol?
• What does a broken arrow on a welding symbol indicate?
• What is the difference between visual inspection and documentary inspection in welding quality control?
• Which statement correctly describes the meaning of the dashed line in ISO 2553 drawings?
• When is a back weld applied in the welding symbol sequence?
• Why is achieving adequate penetration important in groove welding?
• True or False: A weld symbol provides the necessary information to complete the joint preparation.
• Which weld type is used in joining a solid round bar to plate, filled flush on both sides down its length?
• Why is cleaning slag and scale from a weld important before inspection?
• What type of weld joint is used in joining two solid round bars, filled flush on both sides down their length?
• Which part of the symbol is the primary element that carries the wind of the three key components: arrow, reference line, and tail?
• In FCAW, flux provides functions?
• Regarding staggered intermittent fillet welds, which statement is true?
• Which statement about arc stability is true?
• What is the meaning of a black flag at the intersection of the reference line and the arrow line oriented on the top side of a welding symbol?
• What is the function of the ground clamp in welding?
• What are multiple reference lines used for with a welding symbol?
• What is tack welding used for?
• Which category of symbol is used to express that a weld is to be completed in the field?
• If you notice a defect during visual inspection, what is the correct course of action?
• A reference line symbol can carry multiple NDE types on which locations?
• In backing weld usage, it is typically applied under which condition?
• When is a back weld applied?
• If you need to confirm the units for all dimensions on a part, which document should you consult?
• For a surfacing weld, which dimension is found on its reference line?
• If a backing bar is to be removed, how is this noted in the symbol?
• Name a common low-hydrogen electrode used for structural steel welding.
• If there is no side significance for NDT, where is the NDT designation centered?
• Which electrode material reduces hydrogen-induced cracking risk?
• Root gap in groove welds is defined as what?
• When more than one NDE test is required, what position is commonly used for the test quantity?
• Which of the following is a practical safety practice for welding cords and cables?
• Which groove weld option corresponds to a round bar to plate joint with flush fill along its length?
• A staggered intermittent fillet weld has arrow side significance.
• Which term describes the deposited weld metal formed during welding?
• Which measurement is found on the reference line for a surfacing weld?
• Cruciform weldment typically involves how many joints?
• The pitch between intermittent weld segments is typically shown in relation to which element on the symbol?
• In a basic fillet weld, how does increasing leg length affect strength and what is a potential drawback?
• Arc length is the distance between which two things?
• Where would the welding process be indicated on a welding symbol?
• What characterizes an intermittent weld?
• The pitch of a fillet weld is defined as what distance?
• Which part of the symbol is commonly used to indicate field welding?
• Which statement best describes the role of shielding, deoxidizers, and alloying elements in electrode coating for shielded metal arc welding?
• Which statement about PWHT is correct?
• Which of the following describes how the NDE designation can be shown on a symbol?
• What does 'fit-up' refer to in welding?
• How should you measure the leg length of a fillet weld?
• To verify measurement units on a schematic, which source is most appropriate?
• Where should the field test around flag be attached when using a test all around symbol?
• A weld that uses a bevel with a flare for a round-bar to plate joint is best described as which?
• What is burn-through?
• For a surfacing weld, which dimension is shown on the reference line?
• How many joints can be found in a cruciform weldment?
• What is the purpose of welding inspection records, WPS, and PQR in quality control?
• True or False: The order of progression for weld symbols starts from the far end away from the reference line.
• The weld all-around symbol is a supplementary symbol which circles the weld symbol on the reference line.
• Which set lists the four common welding processes a Level I welder should know?
• GTAW stands for?
• What are the three key elements of a welding symbol?
• Where would the length of a test section be indicated?
• Burn-through occurs due to what condition?
• What is the purpose of a chipping hammer in welding?
• Where is a percentage of NDE requested?
• Which statement correctly differentiates groove welds from fillet welds?
• On a plug weld, where is the depth of filling indicated?
• What is lack of fusion in a weld, and what is a common cause?
• True or False: When using a combination of weld symbols, the order of progression starts closest to the reference line.
• A plug weld is a weld made in an elongated circular hole in one member of a joint fusing that member to another member.
• Interpass temperature is defined as what?
• Which weld type is formed by filling a circular hole through one member to join to another?
• What is considered the main element of a welding symbol?
• True or False: The tail of a welding symbol is optional.
• Name a common low-hydrogen electrode used for structural steel welding.
• Which groove configuration combines a bevel with a flare for a round-bar to plate joint?
• What are slag inclusions and how can they occur?
• Where is the test quantity for multiple NDE tests indicated on the symbol?
• Which process uses a flux core electrode to provide shielding?
• For understanding the units used in engineered dimensions of a welded part, which document is primary?
• Which item is essential eye and face protection when welding?