Fundamental Insulation 1 Piping Course Practice Exam

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• Choose the correct definition of CONVECTION as used in the insulation industry. It is one of the three primary mechanisms of heat transfer that is defined as
• Why is it important to verify clearance to electrical and other services when insulation is installed?
• Self-sealing laps are an integral part of which component?
• Contact hangers are not suitable for low-temperature pipe because they
• How does insulation affect worker safety around hot pipes?
• When canvassing an elbow, which action should you take?
• What is the most important thing for the insulation mechanic to know about bore coatings?
• For cold piping insulation, what is the most important consideration?
• when applying field- cut blanket insulation that is to be secured with chicken wire you should __________
• Which statement about pin placement for insulation sheets is accurate?
• Bungee cords and other commonly used temporary holding devices all operate on the principle of
• Which insulation is produced primarily in 3-foot lengths with or without jacketing and comes pre-slit and hinged from the manufacturer?
• How can poor insulation lead to energy losses in a piping system?
• What is an isometric drawing and how is it used in insulation work?
• If you use a block of wood to support the weight of a pipe at a clevis hanger, you should, at least?
• When making a channel in the middle of a piece of semi-rigid piping covering, which practice is important?
• How does insulation influence condensate formation on cold piping?
• Which insulation product is ideal for difficult-to-access areas such as voids in walls?
• To lay out 45-degree and 90-degree angles for a branch on an equal tee, which option correctly reflects the comprehensive method?
• Which of the following is NOT a limitation of PVC jacketing?
• Which material can be used to secure the inner layer of cellular glass?
• Which of the following best defines heat?
• You need insulation that provides a vapor barrier and a high comprehensive strength. What is the best material to use
• Corrosion under insulation (CUI) is best defined as which of the following?
• For measuring a long flat vertical axis over 20 feet, which instrument is preferred?
• Which statement about R-value is true?
• This material is considered to be an almost perfect vapor barrier.
• Trammel points are most similar to which tool?
• What is dew point, and why is it relevant to piping insulation?
• Which statement about jacket integrity testing is true?
• When steam has cooled enough to convert back to hot water, this process is called
• When insulating piping at an unequal tee, which technique can be used to mark the required arc?
• Why is moisture-tight sealing around joints and terminations important?
• Choose the correct list of five functions of insulation.
• Which insulation material has the best K factor among common insulation materials?
• What is the primary function of the exterior jacket in an insulated piping system?
• What aspects do proper piping labels help with in terms of traceability?
• What is the purpose of jacketing on insulation?
• Which jacketing material is noted for the best hygienic properties?
• Tapes used for insulation should be applied at what ambient condition?
• How does ambient weather affect insulation installation in outdoor environments?
• Which consequence is most likely if insulation continuity is compromised at joints?
• Usually a steel tape rather than a folding rule will be used when measuring a surface, in which cases?
• If allowed to dry, insulating cement could be re-wetted and used again.
• When boxing in a valve, which practice should you avoid?
• In reinforcing mastic with chicken wire, what is the minimum thickness of the first coat of mastic?
• The adhesive material is applied to one side; then the joined surfaces must be held in place until dry. Which type is used?
• For a short radius elbow, the radius is what in relation to the diameter?
• Which is a typical consequence of inadequate insulation workmanship?
• In the typical insulation installation sequence, when is the jacket installed?
• How does insulation contribute to hot-pipe temperature control?
• Name two practical checks you would perform during commissioning of insulated piping.
• In which situation might a vapor barrier not be used on piping insulation?
• Elastomeric foam insulation is particularly suitable for cold services because of which property?
• Normally a contact hanger is used on plumbing or moderate temperature piping, but if you need to maintain a vapor barrier, how far should the rod be insulated?
• If the pipe surface is kept well above the dew point, what is the expected outcome regarding condensation?
• Choose the correct definition for HEAT as used in the insulation industry.
• For piping that can reach 1500 degrees and requires non-combustible insulation, which material is best?
• Why re-insulate during plant expansion or relocation?
• In addition to reducing heat transfer, what is another benefit of piping insulation?
• Expansion joints in pipe insulation are __________
• When applying insulation to a reducer, which arrangement is correct?
• What is the function of an end closure in insulation work?
• What is meant by 'service temperature' in insulation selection?
• What is the recommended practice for cleaning pipe surfaces before insulation installation?
• When mitering an elbow cover, which statement is correct?
• For staples to be most effective, they should
• Choose the correct definition of COLD as used in the insulation industry.
• which tool would be used to cut a 6-inch circular hole in a piece of rigid flat insulation material
• What is the role of a vapor barrier in insulated piping?
• A lacing needle would be used_____
• Which of the following is an example of rigid insulation?
• Which device would be used to hold insulation temporarily due to elasticity?
• The primary advantage of self-sealing laps is that
• What term describes the liquid formed when steam condenses?
• What is the purpose of insulating supports with thermal breaks in piping installations?
• The void/space left between a fitting or valve and the insulation may be packed with?
• For measuring a flat horizontal axis between 18 and 20 feet long, which instrument is preferred?
• Bore coatings are primarily intended to protect insulation from abrasion caused by substrate movement. Which option describes a complementary purpose of bore coatings?
• What is the typical purpose of jacket seam sealant tape?
• Expansion joints in pipe insulation are typically filled with which material?
• Which design consideration helps ensure continuity of the insulation system around joints and valves?
• In insulation work, what is the purpose of a lacing needle?
• A sleeve is a circular length of plastic or metal that
• Polyurethane foam_____
• The actual outside diameter of a 16-inch pipe is
• Is stainless steel the strongest form of wire?
• Which insulation type is ideal for filling irregular spaces behind walls?
• Which option describes pipe-covering insulation that is factory hinged for installation?
• When and why would you install a vapor barrier on cold piping?
• R Factor is a measure of how much a material resists conduction.
• Which system category would include fixtures such as hot water tanks and roof drains?
• True or False: Black annealed wire is recommended for cellular insulation and is the most expensive form of wire.
• This jacketing material offers the best hygienic properties
• Which tool would you probably use to mark off 1 inch distances on an arc?
• When canvassing an elbow, you should not do which of the following?
• In determining insulation thickness for piping, which factor is primarily considered?
• Which statement correctly contrasts canvas and glass cloth used in insulation wrapping?
• When insulating around a flange connection, which is important?
• This type of welded pins are forced through the insulation and then welded. Which is it?
• Cloth jacketing may be dipped before it is applied. What is the lagging dip ratio?
• Choose the definition of a K FACTOR as used in the insulation industry.
• This insulation material is designed to stretch lengthwise and be used with mastics.
• Hot and cold water, roof drains and hot water tanks are all examples what type of system?
• When using a hand crosscut saw to cut pipe covering insulation, the line to be cut should be drawn on the ______ of the insulation.
• This adhesive material is used on cellular foams. It is applied to both surfaces to be joined.
• Which statement best describes the function of chicken wire in blanket insulation installation?
• What conditions promote corrosion under insulation (CUI)?
• Which principle describes heat transfer when two objects at different temperatures come into contact?
• True or false: insulation in unexposed (concealed) areas must have a neat and pleasant appearance.
• What safety equipment should be worn when cutting or installing insulation?
• Two pipes of different sizes may be connected by which fitting?
• Which insulation material is noted for its superior K factor?
• Which material is best for insulating elbows on a high-temperature line with cloth jacketing?
• When cutting a curved line in a semi-rigid insulation, the cut should be made____
• When preparing a three-piece elbow to achieve a 90-degree bend, what angle should each cut be?
• Which statement defines conduction?
• What should be avoided when insulating around a flange connection?
• True or false: When using unjacked insulation, joints should always be staggered.
• When applying pipe covering to a main line that has multiple branches, you need to cut and position each section so that each branch is at an open joint
• True or false: S-slips help to support the weight of metal jacketing to vertical lines and tanks.
• Rigid sheet insulation is best described as which form?
• For mitering the branch section of an equal tee, which of the following methods can be used to lay out 45-degree and 90-degree angles on a cutting surface?
• A set of calipers would likely be used to measure the diameter of what size pipe?
• In boxing in a valve, which practice aligns with proper insulation procedure?
• When finishing insulated pipe with plastic jacketing, you should ______
• What is the role of heat tracing in a system with insulation, and how do they interact?
• What material is used to secure field-cut blanket insulation when it is installed on piping?
• Which tool is typically used to measure the outer diameter of pipes in the 3 to 4 inch range?
• The second layer of unjacked pipe covering (on hot work) should consist of half-sections cut into ____.
• Describe a method to measure insulation thickness on a pipe in the field.
• Which pair of jacket materials is commonly used for piping insulation?
• When saddling in pipe covering at an unequal tee:
• What is the purpose of insulation around cryogenic piping?
• For crosscutting insulation with a hand saw, the cut line should be drawn along which joints?
• What is thermal bridging and how can it be mitigated in piping systems?
• Which insulation type has fibers arranged to be easily worked and is suitable for the exterior of rectangular and round ducts and irregular spaces where temperature and condensation must be controlled?
• Which inspection step verifies there are no voids in the insulation?
• What is the typical sequence of insulation installation on a new piping run?
• Why is ongoing maintenance space important in insulated piping systems?
• Which tape is recommended for sealing butt joints when applying un-jacketed flexible sheets?
• Which jacketing material most often comes factory applied to insulation?
• Which insulation material is described as inexpensive with good thermal resistance?
• IPS is the abbreviation for in piping terminology?
• Cellular glass is considered to be a vapor barrier.
• During the pin welding process, which of the following is NOT a safety precaution?
• When is oversized pipe covering appropriate?
• When mitering an elbow cover, the miter size should not be affected by the saw kerf.
• If a line is exactly ______ it is said to be 'plumb'.
• Which tool would be most likely used when measuring a large surface with a curved vertical axis?
• Which tool is typically used to cut curved lines in semi-rigid insulation?
• Distinguish between rigid and flexible insulation with an example.
• Which item would be attached to the plumb bob to establish a vertical line on a surface?
• What is another name for a key hole saw
• Why is surface preparation important before installing insulation?
• How does lower thermal conductivity influence insulation performance?
• Which visual cue is most reliable for indicating potential moisture intrusion within the jacket?
• One coat of cement differs from insulating cement in that which property is unique to it?
• For measuring a curved vertical axis that is 13 feet long, which instrument is preferred?
• In which situation should insulation the hanger rod be used to maintain a vapor barrier?
• Which component helps support the weight of metal jacketing on vertical piping and tanks?
• To obtain the outside diameter of copper pipe from the inside diameter, you should add which amount?
• What is the role of design temperature in selecting insulation thickness?
• What is the recommended method for insulating around a valve to prevent gaps?
• How do you read an isometric drawing to plan insulation work?
• Why is condensation a concern in cold piping insulation?
• What is the adhesive to water ratio used in the lagging dip for cloth jacketing?
• Before storing insulation on a project, what should be done first?
• Which material is stated as best for high-temperature piping requiring non-combustibility?
• Which feature does a sleeve provide?
• What non-destructive methods can help assess insulation condition in service?
• How should insulation be installed around valves and flanges?
• Flexible-wrap pipe insulation is best sealed at the butt joints with which tape?
• When preparing metal jacketing for insulation, how should the metal piece be rolled?
• When applying un-jacketed flexible sheets, you should
• One important difference between canvas and glass cloth is that____
• Which information is typically included in an isometric drawing for piping insulation?
• How many rolls does a slip roller have?
• Which of the following is an example of flexible insulation?
• On an insulated pipe with an outer diameter of 10 inches, approximately what length of canvas would you need to cover it properly?
• When establishing a vertical line on a tank face from a given point on a baseline, _____ would be attached to the plumb bob in and held perpendicular to the surface.
• Which insulation type is designed for exterior ducts and irregular spaces due to temperature and condensation control?
• Precipitators are designed to remove what from coal fired boilers?
• Why is it important for the mechanical insulator to be able to identify various piping and equipment of the heating system
• What is an expansion joint sleeve and why must insulation accommodate it?
• How should seams and joints in insulation be treated?
• How would you identify a good insulation job from a visual inspection?
• One important fact about staples is that they should do what when inserted?
• If allowed to dry, this material could be re-wetted and used again.
• Which statement best describes the relationship between insulation thickness and target performance?
• In insulation terminology, the K factor is best described as:
• A diameter tape would be used to measure the circumference of which items?
• Dividers can be used to mark off equal distances on which shapes?
• What is the minimum length of the wooden block used on a clevis hanger?
• True or False: tape can be used instead of bands to secure the inner layer of cellular glass.
• Which factor is essential when determining insulation thickness to meet thermal resistance?
• What test methods are commonly used to verify jacketing integrity?
• Which statement about factory-applied jacketing is accurate?
• What is the primary function of a vapor barrier when insulating cold piping?
• Describe a basic quality control checklist for field insulation installation.
• Which statement best defines convection?
• Which item is not typically part of a field insulation quality control checklist?
• To calculate the outside diameter of copper pipe and tubing, you must add what to the inside diameter?
• An open joint in insulation installation means the joint is left uncapped.
• On a sewing machine, the walking foot is designed to perform what function?
• Which tool would be the one most likely used drawing an angle of 65 degrees?
• How do you determine insulation thickness for a piping segment?
• Why is proper labeling of insulated piping important?
• This fiberglass insulation product is ideally suited for the application on tanks, vessels, large diameter pipes, and other round or irregular shaped equipment
• Which insulation material is known for high-temperature capability and fire resistance?
• What energy-related benefits does thermal insulation provide in process plants?
• R Factor is a measure of what?
• True or false: copper or copper-clad wire should not be used against iron because of corrosion caused by electrolysis.
• What is the difference between mechanical fastening and adhesive bonding in jacketing?
• What is the purpose of an expansion joint sleeve and how should insulation be treated there?
• Regarding S-clips, the length of the template should be equal to the length of the butt lap specified.
• When plotting pins for holding 2' x 4' sheets of insulation, the correct pin placement to hold these sheets are ___ and ___ pins.
• Squaring the edge of a piece of insulation is usually done when
• Explain why patching or re-insulating damaged areas is important.
• Which of the following would indicate a poor insulation job during a visual inspection?
• What is the primary function of piping insulation in a process system?
• This insulation product is ideal for HVAC ducts and other power and process equipment where rigid boxes are specified.
• What component controls the flow of gas or liquid within a pipe?
• Which of the following is NOT a function of insulation?
• Which tool would be used to measure a long distance on a curved vertical axis?