155 Construction Trivia Questions (Ranked from Easiest to Hardest)

Updated Date:
May 4, 2025
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Construction is an important industry that plays a critical role in the development and growth of our communities. From building homes and offices, to constructing roads and bridges, construction workers and engineers bring our plans and designs to life, shaping the built environment we live in. This dynamic industry requires a wide range of skills and expertise, from planning and design, to materials selection and project management.

Construction trivia questions are a fun and engaging way to test your knowledge of the construction industry, its processes and techniques, and the people who make it all happen. Whether you are a construction worker, an engineer, an architect, or simply someone interested in learning more about construction, construction trivia is a great way to expand your knowledge and challenge yourself.

Here are some examples of construction trivia questions: What are the key steps in the construction process? What materials are used in construction? Who are the key players involved in a construction project? What is the importance of building codes and standards? What are the different types of construction contracts? These questions and others like them offer a glimpse into the fascinating world of construction and the work that goes into creating our built environment.

155 Construction Trivia Questions Ranked From Easiest to Hardest (Updated for 2025)

1. What kind of toe boots include a protective enforcement made of metal or composite material and have been popularized in construction and manufacturing?

Answer: Steel


2. The stonework of the one of the most well-known monuments in D.C. is actually two different colors because its construction stopped due to a lack of funding and political fighting before it was complete. When they finally started building again in 1878 after the Civil War, the stones used came from a different quarry—hence the color variation. Which of D.C.’s many named-for-a-president monuments is two-toned?

Answer: Washington


3. What structure, notorious for its 3.97 degree tilt, is the freestanding bell tower of a cathedral in its namesake Italian town? The structure's tilt comes from the soft ground of its unstable foundation.

Answer: Leaning Tower of Pisa


4. Better known as the maker of Galaxy smartphones, what Korean conglomerate was also the main contractor that built Dubai's Burj Khalifa?

Answer: Samsung


5. The Basílica i Temple Expiatori de la Sagrada Família, or simply Sagrada Família, must be the most popular construction site in the world! If you’re looking to visit the unfinished church that was started in 1882, you’ll have to go to what Spanish beach city?

Answer: Barcelona


6. You’ll probably find one on an architect’s desk and a construction worker’s toolbelt, but which tool could you also make use of at home if you’ve just hung a painting on the wall and can’t tell if it’s crooked or not?

Answer: Level


7. BIM, or Building Information _____, is a 3-D presentation showing the features of a building. The “M” word refers to the making of three-dimensional representative images.

Answer: Building Information Modeling


8. What material is typically made from gypsum plaster wrapped in cardboard and often considered a fundamental material for framing a building?

Answer: Drywall


9. Reinforcements in an x-shape that help a structure be more durable can be referred to as what kind of bracing?

Answer: Cross bracing


10. What “A” word is a watercourse engineered to carry water from a source to a distribution point? Used today to describe pipes, canals, and tunnels, it was most famously used in Ancient Rome construction that stands to this day.

Answer: Aqueduct


11. A construction job that is projected to cost less than $632,000 is known as what youthful-sounding kind of Construction Project?

Answer: Minor Construction Project


12. A system of numbers and titles for organizing construction into a regular, standard order is the CSI what M-word System?

Answer: CSI Master System


13. In 2014, the first stage of construction was finished on what colored Metro line designed to provide service to Dulles Airport?

Answer: Silver


14. What kind of ball can be used to demolish a building or transport Miley Cyrus?

Answer: Wrecking


15. What megaproject, known for its delays and cost overruns, rerouted I-93 into a tunnel through the heart of downtown Boston?

Answer: Central Artery/Tunnel Project


16. Wood shrinkage is concealed in flooring by using T&G, a strong joint that stands for what thing that sounds like a Gene Simmons funk album?

Answer: Tongue and Groove


17. Archaeological researchers estimate that its initial nose was about three feet wide when it was first constructed around 2500 BC. What majestic object in Egypt is it?

Answer: The Sphinx


18. In a 2012 speech, Barack Obama compared Boulder City's Copper Mountain Solar Facility to what ginormous hydroelectric piece of infrastructure straddling the Arizona-Nevada border?

Answer: Hoover Dam


19. If you were to gut the interior of a very old house, you are likely to see a lot of lath and plaster. That’s because what now popular construction material, invented at the New York Coal Tar Chemical Company in 1890, didn’t become popular until the middle of the 20th century?

Answer: Slap board


20. What arch in London was designed by John Nash in 1828 as the state entrance to Buckingham Palace? It gets its name from the material used in its construction, sometimes also used in kitchen countertops.

Answer: Marble Arch


21. To make mortar, make a mix of water, cement/lime, and which grainy substance?

Answer: Sand


22. What “D” tool is a cylindrical pin typically used for joining together two pieces of material by fitting into a corresponding hole?

Answer: Dowel


23. What colorful document is a 2-dimensional technical drawing that has all the details of a construction project?

Answer: Blueprints


24. A temporary structure used to support or reinforce heavy objects that are being used during construction is what kind of box?

Answer: Box crib


25. What kind of proofing is a procedure to keep the drywall interior dry during a construction project?

Answer: Damp


26. What “V” Cathedral in Prague is the official seat of the Archbishop of Prague? Construction beginning in 1344, it gets its name from a 3rd century saint, the patron of actor and comedians, among others.

Answer: Vitus


27. Which L-word is a measurement of how much light you’d need to cover a space—specifically, how much light covers one square foot?

Answer: Lumen


28. Named for parts of the structure resembling giant clusters of flower petals, the Lotus Temple is not only a Bahá'í House of Worship, but also one of the more prominent landmarks in what city in India?

Answer: New Delhi


29. Please do not ingest cement as a remedy for a health ailment even though the process for letting poured concrete harden is called by what name that will make you think of medical treatments that can get rid of a disease?

Answer: Curing


30. What six-letter “V” word is a thin layer of higher-quality wood used to cover an inferior sheet of wood, and is also a porcelain coating placed on the surface of an imperfect tooth?

Answer: Veneer


31. Savannah International Airport in Georgia is thought to be home to the only runway in the U.S. that includes what two objects within it? They were discovered during construction and federal law generally prohibits moving them without the permission of next of kin.

Answer: Marked gravestones


32. Construction of the Hoover Dam helped mitigate some effects of the Depression, but on March 17, 1931, what activity was legalized in the state of Nevada to boost the economy? 

Answer: Gambling


33. What is the generic term for building material used to buffer a structure against unwanted inclement temperature, acoustics, fire, or impact?

Answer: Insulation


34. Passed in 1910, the "Height of Buildings Act" was an act of Congress that limited the height of buildings in what American city?

Answer: Washington


35. The cornerstone was laid on July 4, 1848, but construction was halted due to a lack of funds and the intervention of the Civil War. The obelisk's capstone was set on December 6, 1884. The structure was officially opened on October 9, 1888. What is it?

Answer: Washington Monument


36. What “H” palace in London began construction in 1514 for Cardinal Thomas Wolsey, chief minister of King Henry VIII?

Answer: Hampton Court Palace


37. If you’re building a roof, what’s the word for the low wall you’d want to put up to make sure people don’t fall off?

Answer: Parapet


38. What term is used for the opening in a sloping roof, the framing of which projects out to form a vertical wall suitable for windows or other openings?

Answer: Dormer


39. London, Manchester, and Stockton-on-Tees all opened bridges in the year 2000 named for what M-word?

Answer: Millennium


40. The 19th century American improvement on the 18th century English coach wrench became widely used in the early 20th centuries but has since fallen out of favor due to the rise of the shifting spanner/wrench. What was mammalian-sounding of this now-less-popular invention?

Answer: Monkey wrench


41. Although a concrete structure of its size had never been built before, and some techniques were unproven, what project was opened in 1936 in the Black Canyon after five years of construction?

Answer: Hoover Dam


42. Bevel edge, masonry, mortise, dovetail, and skew are five types of what metal tool whose sharpened edge is used to chip or carve into solid material?

Answer: Chisel


43. Abraham Lincoln is the rightmost face on Mount Rushmore. What president is depicted next to him?

Answer: Theodore Roosevelt


44. Denver's International Airport features a giant statue which famously fell and killed its sculptor, Luis Jimenez, during construction. With glowing red eyes and a blue exterior, it's a definitely exaggerated depiction of what animal?

Answer: Mustang (Horse)


45. Which uniquely designed cultural building found in the Southern Hemisphere, designed the Danish architect Jorn Utzon, commenced building in 1959, had several political wrangles during the construction, and was finally opened in 1973?

Answer: Sydney Opera House


46. Snore! What Elon Musk-founded tunneling firm raised $118 million in venture capital funding in April 2018?

Answer: The Boring Company


47. Which sleepy-sounding term describes a layer of Earth that makes a good foundation for a structure? Just ask Fred Flintstone.

Answer: Bedrock


48. It sounds like a body count, but what’s the term for a building’s load that really refers to the entire weight of a finished structure (usually in pounds per square foot) before it starts being used? It’s also called “static” or “permanent” loads," as they don’t change much (if at all) over time.

Answer: Dead


49. Known as breeze blocks in the UK, what two-word term is used in the U.S. for concrete masonry units that use fly ash or bottom ash as aggregate material?

Answer: Cinder blocks


50. Which state is in the name of a framing method where a corner is made in a house with some extra space so that insulation can be added? They’re sometimes called three stud corners.

Answer: California


51. If you’ve worked in construction for most of your life (or you have a benevolent coworker who has), you may know that in 1997, the North American Industry Classification System (NAICS code) replaced what Industry Classification (shortned to SIC), which had been in use since 1937?

Answer: Standard


52. What actor helped to fund the construction of the iconic Los Angeles Theatre so that it would be opened in time for the premiere of the movie "City Lights" in 1931?

Answer: Charlie Chaplin


53. What is the typical seven-letter term for the person on a construction team that may train employees, ensure appropriate use of equipment by employees, communicate progress on the project to a supervisor, and maintain the employee schedule?

Answer: Foreman


54. At a towering 406 feet, Nagarjuna Sagar Dam is the world’s tallest masonry dam built in 1969 in what heavily-populated Asian country?

Answer: India


55. A Pennsylvania organization that provides technical standards for a variety of construction materials and products is the American Society For _____ And Materials? Its a method of proofing whether or not the standards are correct.

Answer: American Society For Testing And Materials


56. Since 2016, the tallest building in Indianapolis has been known by what official name? This is also the name of the tallest building in San Francisco and the name of an enterprise software company.

Answer: Salesforce


57. With its famous dome by engineer Filippo Brunelleschi, the cathedral known as "Il Duomo" dominates the skyline of what Tuscan city?

Answer: Florence


58. In the famous 1983 Australian court case Commonwealth vs. Tasmania, the Federal Government won a 4:3 majority in a clash over the construction of what type of energy project?

Answer: Hydroelectric dam


59. A construction procurement method by which contractors are awarded the bid based on quality measurements from previous work is the Best _____ Method? Its also the term for the worth of something.

Answer: Best Value Method


60. Founded by Jerome Increase, what four-letter construction company completes his name and produced the first backhoe loader in the U.S.?

Answer: Case


61. In 2025, Cadillac Fairview plans to finish construction on a downtown neighborhood in Montreal, Quebec, Canada, known as _____ Windsor? Its also four-letter shorthand for a four-sided figure.

Answer: Quad Windsor


62. A written document that modifies a project’s plans is what kind of order?

Answer: Change order


63. Aggregate is a particulate material made up of sand or crushed stone, and is mixed with cement to create what “C” building material?

Answer: Concrete


64. What “J” term describes a horizontal structural member used in framing to span an open space, often between beams? It kind of sounds like the last name of Colin, co-host of Weekend Update with Michael Che on “Saturday Night Live.”

Answer: Joist


65. Kampatimar Shankariya, an Indian serial killer of the 1970s, was known for hitting his victims with what construction tool for getting nails into place?

Answer: Hammer


66. What person is responsible for monitoring the buildings to which they are assigned during a construction project?

Answer: Building Manager


67. The stud in a wall that runs from floor to ceiling is sometimes referred to as what kind of regal sounding stud?

Answer: King Stud


68. The faster alternative to “deconstruction,” what’s the other D-word for the science of safe, efficient, and controlled tear-downs of buildings (dynamite optional)?

Answer: Demolition


69. Which type of construction is used for building power stations, factories, mines, warehouses, and quarries?

Answer: Industrial


70. What technique uses concrete blocks to prevent ocean waves from damaging breakwaters and other seaside structures?

Answer: Accrodpode


71. Which word for the front part of a building means “face” in French? Hint: If you’re smiling at your architect so they won’t see how mad you are that the project is over budget, you'd be putting one on.

Answer: Facade


72. What’s the term for the empty space under a building between the ground and the first floor? Despite its name, you would not let a baby hang out in one.

Answer: Crawl space


73. Claw, club, and dead blow are all examples of what type of construction tool?

Answer: Hammers


74. What is the name of the temporary supports that are put in place to maintain a structure until the construction is finished?

Answer: Falsework


75. A building’s HVAC system is a key part of making it safe and comfortable for people to be in—in other words, you can breathe easy and you’re not too hot or too cold. What does the acronym HVAC stand for?

Answer: Heating, Ventilation, and Air Conditioning


76. What “B” chisel is designed to crack rather than to cut through items?

Answer: Bolster


77. Short for "reinforcing bar," what term is used for a steel rod with ridges for use in reinforced concrete?

Answer: Rebar


78. Which architectural term that begins with “C” describes a triangular support that is placed in a gap or space, like in an arched entryway?

Answer: Corbel


79. During the planning phase of a project, you’ll need to determine what kind of square footage of the space—in other words, the usable areas in a space?

Answer: Assignable


80. Which B-term describes a big, motorized, tracked, heavy machine with a metal blade on the front to push material?Another name for it is a “crawler."

Answer: Bulldozer


81. Which number equipment group is designated as being part of the structure—think kitchen cabinets—that can’t be moved? It’s also called fixed equipment.

Answer: 1


82. What do you call the support piece of material (e.g., wood, steel, stone) that goes across the top of a door, window, or fireplace? It’s a type of beam.

Answer: Lintel


83. Pipes, floors, and even car seat covers are often made from polyvinyl chloride, better known by which acronym?

Answer: PVC


84. What’s another name for civil engineering that's especially fitting, since it often involves the construction of “weighty” infrastructure like airports and bridges?

Answer: Heavy


85. Which roof feature might look a bit out of place but is not, in fact, a “bug” in the design; rather, the added slope is there to help rainwater drain?

Answer: Cricket


86. If you’re not sure how long a project will take or how much it will cost, your best estimate can be laid out with a what kind of Order of Magnitude (ROM for short)?

Answer: Rough


87. What’s the common term for the technical drawing an architect makes that shows the plan for a building? The documents got the color their name suggests through a printing process called cyanotype.

Answer: Blueprint


88. Which type of lift that sounds like it would be loud to operate raises workers off the ground using a bucket and crane?

Answer: Boom


89. Wembley Stadium in London was rebuilt and opened in 2007. However, the project numerous delays and financial bailouts. Which Australian construction company was tasked with building this new stadium?

Answer: Multiplex


90. Which confusing term refers to a chute that can block sound or redirect wind flow, particularly in a structure like an attic?

Answer: Baffles


91. What do you call the part of a rafter (think something like a truss) that goes beyond the wall line? The term is nautical—it’s also a float that helps keep a boat from overturning in the water.

Answer: Outrigger


92. Which groovy, cool, and/or anatomical construction term refers to the outside point where two sloped sides of a roof meet?

Answer: Hip


93. What kind of window has a hinge at the side and opens either out or in, often with a crank?

Answer: Casement


94. In an effort to ensure pedestrian safety, Cincinnati undertook a construction initiative that will have 20+ speed things that sound very comfy installed on city roads. They’re similar to speed humps, but with wheel cutouts to help emergency vehicles pass through.

Answer: Cushions


95. If you live in a place that gets chilly winters and your house tends to be drafty, what kind of “stripping” can you put around windows and doors to help keep the heat in and the cold out and save on your energy bills? Caulk is one option, but there are a ton of do-it-yourself kits out there with foam, tape, and other winterization tools.

Answer: Weather


96. Scheduled to open in 2026, the international airport under construction in Western Sydney will be named in honor of which pioneering Australian aviator known as "The Angel of the Outback?"

Answer: Nancy Bird Walton


97. A word meaning "a construction or creation from a diverse range of available things" gives its name to what popular downtown Pittsburgh theater company behind the immersive theater piece STRATA?

Answer: Bricolage Production Company


98. An emerging technology in construction/architecture might be reminiscent of a sci-fi plot or Stephen King novel, as it involves building which kind of air-tight enclosure around a city so that the weather (and, perhaps, citizens?) could be controlled. It’s kinda like being in a snow globe.

Answer: Dome


99. Hand tools like spades, as well as big machinery like backhoes and bulldozers, can be used to prep the land for something to be built on it. Which part of the construction process involves these tasks? It's also a word you'd hear around an archeological dig.

Answer: Excavation


100. What coverage ensures contractors are allowed to recover costs incurred for correcting a design defect that is discovered after construction but before the defect causes a liability claim?

Answer: Rectification


101. The tallest building in Africa is the Iconic Tower in the New Administrative Capital of what country? It stands 1,292 feet (393.8 meters) tall.

Answer: Egypt


102. Starting with “G,” what sort of chart shows schedule of activities for a project including start and finish dates, critical and non-critical activities, slack time, and predecessor relationships?

Answer: Gantt Chart


103. Now buried under the ground west of the Junípero Serra Museum, what was the first permanent European structure built in what would become California? Construction began in 1769 by soldiers and priests from Mexico (then called New Spain).

Answer: The Presidio


104. Despite its nondescript name, Rocky Mountain Construction is a builder of exciting roller coasters, including the Jersey Devil, a ride at which Six Flags theme park?

Answer: Great Adventure


105. What famous building constructed in the 1790s had its Washington D.C. site chosen and designed by Irish architect James Hoban?

Answer: White House


106. What phenomenon is when the expansion of iron in a structure causes damage to surrounding building elements?

Answer: Oxide jacking


107. IAEE is an international nonprofit that holds important conferences on seismic safety in design and keeps and updates the world list of member countries' seismic regulations. What does IAEE stand for?

Answer: International Association for Earthquake Engineering


108. What kind of joint absorbs heat to help prevent thermal issues like cracking concrete?

Answer: Expansion


109. What type of roof has two slopes on each side, with the lower slope being nearly vertical and the upper slope nearly horizontal?

Answer: Mansard


110. When it comes to home construction, "R-values" indicate the efficiency and effectiveness of what feature of the building?

Answer: Insulation


111. What insurance coverage, required in some countries, provides coverage to rectify a total or partial collapse of a structure for up to 10 years following construction?

Answer: Decennial liability


112. A job that exceeds $632,000 in cost is known as a what type of Construction Project?

Answer: Capital


113. First designed by Antoni Gaudí and set to be finished around 2026, what is the name of the building in Barcelona that has been under slow construction since 1882?

Answer: Sagrada Familia


114. What architectural style, sometimes associated with urban decay and totalitarianism and prevalent from the 1950s to the 1970s, was an extension of modernism, but primarily a reaction to nostalgia in 1940s architecture?

Answer: Brutalism


115. The Washington Monument is the tallest non-communications structure in D.C. and was the tallest monument in the U.S. until the completion of the San Jacinto Monument in 1939 in what state?

Answer: Texas


116. Which Z-word refers to the division of land into different parts that each have their own rules about how they can or cannot be developed?

Answer: Zoning


117. Kongo Gumi, a construction company, is believed to be the oldest business (it was formed in 578 AD) that’s still operating today. What country is it in?

Answer: Japan


118. Designed by American architect César Pelli, Petronas Towers in Kuala Lumpur was named the tallest building in the world in 1998 by the Council on Tall Buildings and Urban Habitat. In what Southeast Asian country is this record-breaking building located?

Answer: Malaysia


119. What company is the world's leading producer of access equipment, and is known for its signature orange construction lifts?

Answer: JLG Industries


120. What 363-mile traverse was opened in 1825 and was mocked during construction as a "big ditch" or "folly" but ended up dramatically transforming the transportation network in the United States?

Answer: Erie Canal


121. One of the world's largest construction projects, Al Maktoum or the Dubai World Central, is what kind of infrastructure?

Answer: Airport


122. What fixture on a roof helps make sure that rainwater drains, usually down a pipe that runs along the side of a building? They come in various types including K-Style, Half-Round, and Box-Style.

Answer: Gutter


123. With Norman Foster as one of its main architects, the building found in London at 30 St Mary Axe has been dubbed with what food-based nickname due to its shape?

Answer: The gherkin


124. Philadelphia's City Hall was designed to be the world's tallest building when construction began in the 1870s, but by the the time it was finished, both the Washington Monument and one other structure had surpassed the municipal structure. However, City Hall did claim the title of tallest habitable building. What is the Parisian structure that passed City Hall's height before its completion?

Answer: Eiffel Tower


125. What is the clown-friendly type of building construction in which the studs extend from the foundation to the rafter plate, or the full height of the structure?

Answer: Balloon framing


126. What popular toy set made of modular metal beams, nuts, bolts, and other construction materials, was invented in 1913 and is now produced by the company Meccano?

Answer: Erector Set


127. What water-spewing monument in Paris’s 5th arrondissement was part of Baron Haussmann’s reconstruction of the city during French Second Empire, was originally conceived as a tribute to peace by architect Gabriel Davioud, but was ultimately requested to simply cover up an end wall of a nearby building?

Answer: Fontaine Saint-Miche


128. What controversial structure, built along China's Yangtze River, became the world's largest power station in 2012 and also the world's largest concrete structure?

Answer: Three Gorges Dam


129. Considered the largest structure ever made from adobe is a sprawling citadel in the city of Bam in the province of Kerman in what country? The structure dates back to at least 500 BC.

Answer: Iran


130. What term for a measurement between two points (say, length or width) sounds like a sci-fi phrase for a parallel universe?

Answer: Dimension


131. Also the name of a lively dance, what three-letter term is used for a device that holds a piece of work and guides a tool operating on it?

Answer: Jig


132. In what island nation would you find the oldest free-standing structures on earth? The buildings are megalithic temples, the oldest which date back to between 3600 and 3200 BCE.

Answer: Malta


133. What term beginning with “A” is a molding attached to one of a pair of swinging double doors and against which the other door strikes?

Answer: Astragal


134. In 2003, what reality show on Fox followed Evan Marriott, a construction worker, who tried to determine whether the women vying for his affections really liked him or were just interested because they mistakenly believed he had a lot of money?

Answer: Joe Millionaire


135. Buckingham Palace has 760 of them, and the Empire State Building has 6,514 of them. What are they?

Answer: Windows


136. What classic kiddie-lit book by Virginia Lee Burton features title characters who are a construction worker and a piece of construction equipment he calls Mary Anne?

Answer: Mike Mulligan and His Steam Shovel


137. In which city would you see La Sagrada Familia, a Roman Catholic church still under construction 140 years after the initial work began?

Answer: Barcelona


138. Which D-word that sounds like it’s dying describes the walls that you can put up between two residential spaces or between a private space and a public one?

Answer: Demising


139. The building regarded as the world’s first skyscraper, the Home Insurance Building, was built in 1884 in which American city?

Answer: Chicago


140. Standing at 462 meters tall and holding the title of Europe’s tallest building, the Lakhta Center is found in which non-capital European City?

Answer: St Petersburg


141. In bricklaying, what word proceeds “bond” in term meaning a pattern of bricks in a wall in which each course consists of alternate headers and stretchers? This word means relating to a region of Belgium known as Flanders.

Answer: Flemish


142. What “C” term in construction refers to an angled surface or line that cuts off a corner? In spite of the contraction it sounds like, this surface is capable of doing it.

Answer: Cant


143. The American ______ Association (ASA) is an organization that supports the rights of workers who are hired to do a specific job within a contract (essentially, they have a contract within a contract)?

Answer: Subcontractors


144. The cut of a file is defined by how fine the file’s teeth are. What “B” word, often used as an insult, is used for a file of an intermediate cut?

Answer: Bastard


145. “M,” “scissor,” and “gable” are all examples of which type of triangular roof frame structures?

Answer: Truss


146. Hybrit engineers and manufactures what colorful kind of steel, which has a lower carbon footprint from its production?

Answer: Green Steel


147. In the 2010s, the size of photovoltaic power stations to generate and store solar energy increased dramatically. Back in 2012, the largest project completed in Arizona had a capacity of 247 MegaWatts. Two power stations with capacity for more than 2,000 MegaWatts each came next, both of which are located in what country?

Answer: India


148. In 1994, after decades of discussions and planning, construction began on what dam that became the world's largest dam structure upon its completion in 2006?

Answer: Three Gorges


149. Which subfield of engineering that is a type of civil engineering would include working on foundations for buildings, mining, and off-shore construction?

Answer: Geotechnical


150. DPC keeps moisture from rising out of the ground and into a building. You definitely need the layer when you’re working with masonry. What does DPC stand for?

Answer: Damp-Proof Course


151. In 1952, what Canadian electric company owner with a “K” name teamed up with his friends Ephraim Diamond and Joseph Berman to form the Cadillac Construction Company?

Answer: Jack Kamin


152. The Topping Out Ceremony involves placing what at the top of the completed frame of a new building, or possibly the completed building itself?

Answer: A tree


153. What beachy slang term refers to the miners and construction workers who built a large portion of New York City's infrastructure?

Answer: Sandhogs


154. In the UK, the Building Safety Act 2022 increased the length during which a homeowner can make claims for defects in construction from six to how many years?

Answer: 15


155. Inspired by how coral reefs make minerals, LBM (such as biocement and self-replicating concrete) has become popular in construction and design. What does LBM stand for?

Answer: Living Building Material

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