VICT-301 — Visual Inspection Concepts and Techniques Flashcards
Why is statistical tracking of the actual dimensional values of a product important regardless of whether go/no go gauge measurements are within specifications? (Multiple choice)
Question 1 options:
A) Actual values are required by CSA W.47.1.
B) Actual values are needed for the inspection and test plan (ITP).
C) Actual values may identify problems with the welding procedure specification (WPS).
D) Actual values may indicate a potential out-of-control process.
D) Actual values may indicate a potential out-of-control process.
How is the accuracy of a measurement defined? (Multiple choice)
Question 2 options:
A) How close repeated values are to each other.
B) The verification of the equipment type being used.
C) Correct substantiated readings taken at each measurement point.
D) How close repeated measurements are to the true value.
D) How close repeated measurements are to the true value.
What action is completed to ensure the caliper’s accuracy? (Multiple choice)
Question 3 options:
A) Yearly verification intervals.
B) Calibration to a national standard.
C) Taking a reading to three decimal places.
D) Multiple readings at one location.
B) Calibration to a national standard.
A root opening gauge is used to measure misalignment of a root opening after it has been welded. (True/False)
False
What issue can be confirmed by a V-WAC gauge? (Multiple choice)
Question 5 options:
A) Lack of fusion.
B) Depth of undercut.
C) Fillet weld concavity.
D) Convexity of a fillet weld.
B) Depth of undercut.
A micrometer requires the part being measured to be squeezed as tightly as possible to ensure an accurate reading. (True/False)
False
What is the minimum distance of preheat stated by CSA W59? (Multiple choice)
Question 7 options:
A) 25 mm
B) 50 mm
C) 75 mm
D) 100 mm
C) 75 mm
To measure porosity, which tool could you use? (Multiple choice)
Question 8 options:
A) A ruler.
B) A level.
C) A gauge block.
D) A straight edge.
A) A ruler.
Which tool is suited for checking a bevel angle? (Multiple choice)
Question 9 options:
A) A combination square.
B) A palmgren gauge.
C) A protractor.
D) A V-wac gauge.
C) A protractor.
It is recommended that a tape measure should be calibrated for adjustment at twelve month intervals for accuracy. (True/False)
False
How can inward and outward variations of distortion be accuratly measured? (Multiple choice)
Question 11 options:
A) With a floating straight edge touching against the convex side of the distortion.
B) With blocks of equal height and a string that clears the high points in the distortion.
C) With a floating combination square touching the convex part of the distortion.
D) All of the above.
B) With blocks of equal height and a string that clears the high points in the distortion.
Which instrument is used to check vertical dimensions and transfer points? (Multiple choice)
Question 12 options:
A) A framing square.
B) A combination square.
C) A plumb bob.
D) A protractor.
C) A plumb bob.
What is the first step in the use of a vernier caliper prior to taking a measurement? (Multiple choice)
Question 13 options:
A) Verify the material’s required measurements.
B) Zero out the tool.
C) Take reading to as many decimal places as possible.
D) Check the tolerance allowances for the material.
B) Zero out the tool.
Ambient temperature can play a part in checking the accuracy of a measurement. (True/False)
True
How many points of contact must be made with a fillet weld gauge when measuring throat thickness? (Multiple choice)
Question 15 options:
A) One point of contact.
B) Two points of contact.
C) Three points of contact.
D) Four points of contact.
C) Three points of contact
Which gauge has a scale for measuring a butt weld reinforcement and a fillet weld leg length? (Multiple choice)
Question 16 options:
A) A fillet weld gauge.
B) A palmgren gauge.
C) A Hi-Lo gauge.
D) All of the above.
B) A palmgren gauge.
What is the term used when a raised portion on the surface of a material is caused by a gas bubble? (Multiple choice)
Question 17 options:
A) Pipe.
B) Scab.
C) Blister.
D) Seam.
C) Blister.
For sectonal tickness of up to and including 1/4 in (24 mm), ASME Section VIII specifies a maximum allowable offset in a circumferential weld of: (Multiple choice)
Question 18 options:
A) t/5
B) t/4
C) 5 mm
D) No offset is permitted.
A) t/5
What discontinuity may open up when the surface of the plate is heated or when the plate is cut or welded? (Multiple choice)
Question 19 options:
A) A scab.
B) Laminations.
C) Mechanical slivers.
D) Craters.
B) Laminations.
Many standards have workmanship tolerances for groove welds. In CSA W59, what is the tolerance for the root face if not gouged? (Multiple choice)
Question 20 options:
A) Not limited
B) ± 2 mm
C) ± 5 mm
D) ± 8 mm
B) ± 2 mm
What is the maximum misalignment (offset) of abutting parts without backing bars that is permitted by CSA W59? (Multiple choice)
Question 21 options:
A) 4 mm.
B) 10% of the thinner plate or 3 mm, whichever is smaller.
C) 2 mm for a joint length less than 1 m.
D) 2 mm for a joint of any length.
B) 10% of the thinner plate or 3 mm, whichever is smaller.
What document(s) is(are) used to check on a base material’s conformation to type and grade? (Multiple choice)
Question 22 options:
A) Fabrication drawings.
B) Mill test certificates.
C) ITP.
D) Inspection travel sheet.
B) Mill test certificates.
What dimension is measured to determine the size of a concave fillet weld? (Multiple choice)
Question 23 options:
A) The shortest leg.
B) The longest leg.
C) The throat.
D) The face width.
C) The throat.
How can out of roundness of cylindrical sections be checked? (Multiple choice)
Question 24 options:
A) With the cylinder vertical, multiplying the diameter at four different points.
B) With the cylinder vertical, dividing the circumference at four different points.
C) With the cylinder horizontal, checking the radius at the top and bottop of the cylinder.
D) With the cylinder horizontal, dividing the diameter at four different points.
B) With the cylinder vertical, dividing the circumference at four different points.
Which part of a fillet weld is calculated using the formula: 0.07 x fillet weld face + 1/16 inch? (Multiple choice)
Question 25 options:
A) The fillet weld leg lengths.
B) The maximum allowable convexity.
C) The effective throat thickness.
D) The maximum allowable throat.
B) The maximum allowable convexity.
When inspecting a flare groove weld, which part of the weld is measured when the throat is inaccessible? (Multiple choice)
Question 26 options:
A) The bevel angle.
B) The face width.
C) The length of the weld.
D) The estimated penetration.
B) The face width.
Which tool can measure undercut, weld reinforcement, weld throat, reduction in groove weld thickness, and misalignment? (Multiple choice)
Question 27 options:
A) A fillet weld gauge.
B) A bridge cam gauge.
C) A combination square.
D) A bevel gauge.
B) A bridge cam gauge.
For irregular beam shapes where the flange is not normal to the web, how can warpage be checked? (Multiple choice)
Question 28 options:
A) Irregular beam shapes cannot be checked.
B) A spirit level and a straight edge should be used.
C) A plumb-line and a square should be used.
D) A special template should be made.
Possibly D
(Not C) A plumb-line and a square should be used.
What is a complete joint penetration groove weld determined by? (Multiple choice)
Question 29 options:
A) Effective throat thickness including the face reinforcement.
B) Effective throat thickness including root reinforcement.
C) Effective throat thickness excluding root and face reinforcement.
D) Depth of the thickest plate being welded.
C) Effective throat thickness excluding root and face reinforcement.
What is the minimum angle between the skewed joints for which a weld can be considered as a fillet weld? (Multiple choice)
Question 30 options:
A) 45°
B) 60°
C) 75°
D) 90°
B) 60°
What is the first task in inspecting completed welds? (Multiple choice)
Question 31 options:
A) Ensuring inspection tools are available for use.
B) Identify the weld processes used.
C) Check for post-weld heat treatment (PWHT) requirements.
D) Determine that the welds have been deposited in the correct locations.
D) Determine that the welds have been deposited in the correct locations.
Sweep in a beam is considered: (Multiple choice)
Question 32 options:
A) a slight curvature in a vertical plane.
B) a tortional difference between the top and bottom flange.
C) an arch or a curvature in the horizontal plane.
D) a curvature in the top or bottom flange of a beam.
C) an arch or a curvature in the horizontal plane
A symmetrical camber is required to be measured at one point only. (True/False)
False
When a difference exists between two radii, it is important that the misalignment is: (Multiple choice)
Question 34 options:
A) averaged over the total circumference.
B) split into two very equal gaps.
C) tacked at the point of the smallest gap first.
D) tacked at the point of the widest gap first.
A) averaged over the total circumference.
What is the maximum transition ratio for inherent misalignment? (Multiple choice)
Question 35 options:
A) 2:1
B) 3:1
C) 4:1
D) 5:1
C) 4:1