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The questions cover general regulations and common plumbing components including fixtures, faucets, and fixture fittings. Topics include water temperature limits, corrosion protection for pipes through concrete walls, frost-line depth requirements, lead and CPVC support spacing, urinal substitutions, floor drain sizing, third-party testing products, and restroom fixture ratios. It also addresses backflow protection, flashing requirements, hanger spacing, travel distances to toilets, shower compartment area, condensate corrosion resistance, slopes for condensing appliance discharge, shielding requirements, and strike plate protection.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/dewalt-plumbing-licensing-exam-guide-part-four-ipc-practice-exam-1-answer-key/319698/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/dewalt-plumbing-licensing-exam-guide-part-four-ipc-practice-exam-1-answer-key/319698.png","ImageObject",300,407,{"name":92,"@type":93},"Mason","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-28","2026-09-20",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",11,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What chapters are the IPC Practice Exam 1 questions based on?","Question",{"text":113,"@type":114},"The questions are based on Chapters 3 and 4 of the International Plumbing Code.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"What topics do the exam questions cover?",{"text":118,"@type":114},"They cover general regulations, fixtures, faucets, and fixture fittings, including installation and sizing requirements.",{"name":120,"@type":111,"acceptedAnswer":121},"How does the answer key structure the IPC Practice Exam 1 content?",{"text":122,"@type":114},"It presents multiple-choice questions with corresponding correct answers and brief study tips alongside the questions.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},319698,1790984724,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":140,"language":141,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":142,"faqs":143,"seo_title":144,"seo_description":67,"update_tm":145,"read_time":146,"preview_page_count":4},5909887256941,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","DeWALT Plumbing Licensing Exam Guide PART FOUR: Interna?onal Plumbing Code Prac?ce Exams – Prac?ce Exam \\#1  \nIPC Practice Exam \\#1  \nThe following questions are based on Chapters 3 and 4 of the International Plumbing Code and cover general regulations, fixtures, faucets, and fixture fittings.  \nStudy Tip  \nTempered water shall be a maximum of 110°F  \n1.) Pipes passing through a concrete wall must protected against corrosion. What is the minimum wall thickness of the protective sheathing?  \na. 0.008”  \nb. 0.025”  \nc. 0.075”  \nd. 0.0375”  \n2.) Exterior water supply system piping shall be installed not less than   inches below the frost line.  \na. 6  \nb. 12  \nc. 18  \nd. 24  \n3.) Sheet lead for pans shall not weigh less than   pounds per square foot.  \na. 1  \nb. 2  \nc. 3  \nd. 4  \n4.) CPVC pipe 2 inches in diameter must be horizontally supported every   feet.  \na. 3  \nb. 4  \nc. 10  \nd. 15  \nStudy Tip  \nUrinals can be subs:tuted for 67% of water closetsin assembly and  \neduca:onal occupancies.  \nUrinals can be subs:tuted for 50% of water closetsin all other occupancies.  \n5.) Urinals shall NOT be substituted for more than   of the required water closets in assembly and educational occupancies.  \na. 25%  \nb. 33%  \nc. 50%  \nd. 67%  \n6.) What is the minimum size required for a floor drain?  \na. 1½”  \nb. 2”  \nc. 2½”  \nd. 3”  \n7.) Which of the following products or materials is required to be third party tested?  \na. Plumbing appliances  \nb. Backflow prevention devices  \nc. Plumbing fixtures  \nd. All of the above  \n8.) A 10,000 sq. ft. museum has a maximum occupant load of  \n1,500 people. What is the minimum number of water closets required for female patrons?  \na. 8  \nb. 10  \nc. 12  \nd. 23  \n9.) Trenches installed parallel to footings shall not extend below the   bearing plane of the wall.  \na. 20°  \nb. 45°  \nc. 60°  \nd. 90°  \nStudy Tip  \nBackflow is pressure created in the water distribu:on system.  \n10.) A dishwasher shall be protected against backflow by a(n)  \n  .  \na. air break  \nb. air gap  \nc. vacuum breaker  \nd. check valve  \n11.) Joints at the roof and around vent pipes shall be properly flashed and made watertight by the use of   or other approved flashings or flashing materials.  \na. lead  \nb. galvanized steel  \nc. aluminum  \nd. All of the above  \n12.) 1½” inch copper tube shall have a maximum horizontal hanger spacing of   feet.  \na. 6  \nb. 10  \nc. 12  \nd. 15  \n13.) Patrons of a mall shall not be required to travel more than   feet to access toilet facilities.  \na. 100  \nb. 200  \nc. 300  \nd. 500  \n14.) Shower compartments shall have a minimum crosssectional area of    \na. 900 square feet  \nb. 900 square inch  \nc. 70 square inch  \nd. 30 square inch  \nStudy Tip  \nCondensate piping shall be of approved corrosionresistant material and not smaller than the drain connec:on to the appliance.  \n15.) Coin-operated laundries shall be provided with floor drains having a minimum outlet of   inches.  \na. 2  \nb. 3  \nc. 4  \nd. None of the above  \n16.) What is the minimum slope required for the discharge of liquid combustion by products from condensing appliances?  \na. 1%  \nb. 2%  \nc. 3%  \nd. 8%  \n17.) Which of the following pipes is not required to be protected by shield plates?  \na. Copper pipe  \nb. PVC  \nc. Galvanized steel  \nd. Brass pipe  \n18.) How many water closets must be provided for a bar with a peak expected occupancy of 400?  \na. 5  \nb. 8  \nc. 10  \nd. 12  \n19.) 15 water fountains are required to be installed in a facility. What is the maximum number of bottled water dispensers allowed to substitute these fountains?  \na. 6  \nb. 7  \nc. 8  \nd. 9  \nStudy Tip  \nWater fountains are prohibited in restrooms.  \n20.) Trough urinals are   .  \na. required  \nb. permitted  \nc. allowed only when approved by an official  \nd. prohibited  \n21.) Which of the following is used to support piping?  \na. Hangers  \nb. Anchors  \nc. Supports  \nd. All of the above  \n22.) Shower receptors shall be constructed of   materials.  \na. impervious and non-absorbent  \nb. water","cbCaifqKQ7nZ8rlp","https://ap.wps.com/l/cbCaifqKQ7nZ8rlp","pdf",939660,63,"English","# IPC Practice Exam 1 Answer Key\n## Study Tips\n## Multiple-Choice Questions (1–25)","[{\"question\":\"What chapters are the IPC Practice Exam 1 questions based on?\",\"answer\":\"The questions are based on Chapters 3 and 4 of the International Plumbing Code.\"},{\"question\":\"What topics do the exam questions cover?\",\"answer\":\"They cover general regulations, fixtures, faucets, and fixture fittings, including installation and sizing requirements.\"},{\"question\":\"How does the answer key structure the IPC Practice Exam 1 content?\",\"answer\":\"It presents multiple-choice questions with corresponding correct answers and brief study tips alongside the questions.\"}]","DeWALT Plumbing Licensing Exam Guide - PART FOUR - IPC Practice Exam 1 - Answer Key | PDF",1789946326,159]