{"product_id":"washington-dc-second-class-stationary-boilers-contractor-book-package","title":"Washington DC Second Class Stationary Boilers Contractor Book Package","description":"\u003ch2 style=\"color: #d32f2f;\"\u003eWashington DC Second Class Stationary Boilers Contractor Book Package\u003c\/h2\u003e\n\n\u003cp\u003ePrepare for the \u003cstrong\u003eWashington DC Second Class Stationary Boilers examination\u003c\/strong\u003e with a comprehensive study package covering boiler operation, steam-plant systems, turbines, combustion, water treatment, electrical systems, controls, pumps, refrigeration, air conditioning, cooling towers, maintenance, safety, and engineering calculations. This package brings together ten technical references to support structured preparation for the broad range of subjects tested on the District of Columbia Second Class Stationary Boilers examination.\u003c\/p\u003e\n\n\u003cp\u003eThe examination is administered through \u003cstrong\u003ePSI\u003c\/strong\u003e for the District of Columbia Board of Industrial Trades. The current test is identified as \u003cstrong\u003e314 Washington DC Second Class Stationary Boilers\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eSecond Class stationary engineering requires knowledge extending well beyond the boiler itself. The current examination includes turbines and auxiliaries, boiler operation, environmental controls, water treatment, combustion, fuels, auxiliary equipment, engineering calculations, electrical systems, pneumatic and electronic controls, pumps, feedwater and condensate systems, refrigeration, air conditioning, cooling towers, and boiler design principles.\u003c\/p\u003e\n\n\u003cp\u003eThe books in this package provide candidates with a broad technical library for developing that knowledge before test day. The package includes resources dedicated to high-pressure and low-pressure boilers, steam-plant operation, stationary engineering, refrigeration and air conditioning, electrical fundamentals, motors, and HVAC control systems.\u003c\/p\u003e\n\n\u003cp\u003eThe Washington DC Second Class Stationary Boilers examination is a \u003cstrong\u003eclosed-book test\u003c\/strong\u003e. Candidates cannot rely on these references during the examination. The books should instead be used to build knowledge, practice calculations, understand system relationships, and develop the recall needed to answer technical questions without reference materials.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eExam Details\u003c\/h2\u003e\n\n\u003cp\u003eThe current examination is identified as \u003cstrong\u003e314 Washington DC Second Class Stationary Boilers\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe examination contains \u003cstrong\u003e80 multiple-choice questions\u003c\/strong\u003e and provides candidates with a \u003cstrong\u003e3-hour time limit\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe current PSI examination content outline is:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eTurbines, Design Auxiliaries, and Operations – 15%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eBoiler Operations, Maintenance, and Safety – 9%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eWaste to Energy Plants and Environmental\/Pollution Control – 7%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eWater Treatment – 8%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eBoiler Combustion and Fuels – 7%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eBoiler Accessories and Auxiliary Equipment – 8%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eEngineering Calculations – 7%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eElectrical – 8%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eControls—Pneumatic and Electronic – 7%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003ePumps, Feed, Hydronic, and Condensate Systems – 8%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eRefrigeration, Air Conditioning, and Cooling Towers – 8%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eBoiler Design and Principles – 8%\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eTurbines, Design Auxiliaries, and Operations\u003c\/strong\u003e is the largest individual examination category at 15%. The remaining content is distributed broadly across the major systems and responsibilities found in stationary engineering.\u003c\/p\u003e\n\n\u003cp\u003eWith 180 minutes available for 80 questions, candidates have an average of approximately \u003cstrong\u003e2.25 minutes per question\u003c\/strong\u003e. Because the examination is closed book, preparation should emphasize both technical understanding and the ability to recall important principles, operating procedures, and calculation methods efficiently.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eClosed Book Test\u003c\/h2\u003e\n\n\u003cp\u003eThe Washington DC Second Class Stationary Boilers examination is a \u003cstrong\u003eclosed-book test\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe books in this package are study materials. Candidates do not use reference books during examination 314. This makes active learning especially important. Reading should be combined with practice questions, calculations, equipment identification, system diagrams, and repeated review of weak subject areas.\u003c\/p\u003e\n\n\u003cp\u003eA candidate should be able to recognize the purpose and operation of major plant equipment without searching a reference. This includes boilers, burners, turbines, pumps, condensers, feedwater equipment, controls, refrigeration systems, cooling towers, and boiler auxiliaries.\u003c\/p\u003e\n\n\u003cp\u003eClosed-book preparation should also include memorizing or becoming fluent with frequently used engineering relationships and calculation methods. Candidates should know how to approach problems involving boiler horsepower, heat, efficiency, pressure, temperature, flow, electrical relationships, and other common stationary-engineering calculations.\u003c\/p\u003e\n\n\u003cp\u003eSafety knowledge is equally important. Candidates should understand the significance of low-water conditions, combustion problems, pressure hazards, control failures, feedwater loss, pump problems, water-treatment deficiencies, and abnormal turbine or refrigeration conditions.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eLicensing Steps\u003c\/h2\u003e\n\n\u003cp\u003eSteam and stationary engineers in Washington DC are regulated through the \u003cstrong\u003eDistrict of Columbia Board of Industrial Trades\u003c\/strong\u003e. The District recognizes multiple classes of Steam Engineer licenses, including the Class 2 credential.\u003c\/p\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdentify the Class 2 Steam Engineer credential.\u003c\/strong\u003e Candidates seeking Second Class stationary-boiler authority should apply under the applicable Washington DC Steam Engineer classification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuild the required stationary-engineering experience.\u003c\/strong\u003e District law requires Steam Engineer applicants to establish the experience and knowledge required for the class of license sought.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDocument qualifying employment.\u003c\/strong\u003e Current Stationary Engineers application instructions require an Employment Verification Letter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrepare the general application materials.\u003c\/strong\u003e The District currently requires a passport-style photograph, government-issued identification, and payment information for applicable licensing and examination charges.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSubmit the applicable application.\u003c\/strong\u003e Complete the Steam Engineer licensing process through the District's occupational and professional licensing program.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceive authorization for the applicable examination.\u003c\/strong\u003e Applicants must satisfy the Board's licensing requirements before completing the examination process.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSchedule examination 314.\u003c\/strong\u003e Washington DC industrial-trades examinations are administered through PSI.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrepare for the closed-book format.\u003c\/strong\u003e Study boiler systems, turbines, controls, pumps, water treatment, combustion, refrigeration, engineering calculations, and the other subjects in the official outline.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTake the Second Class Stationary Boilers examination.\u003c\/strong\u003e The current examination contains 80 multiple-choice questions and provides three hours.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete the remaining license requirements.\u003c\/strong\u003e Follow the District's instructions for finalizing the applicable Class 2 Steam Engineer credential after satisfying the examination and licensing requirements.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eThe examination is only one part of the licensing process. Experience documentation and the other requirements established by the Board of Industrial Trades remain part of obtaining the Washington DC Steam Engineer credential.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eState Requirements\u003c\/h2\u003e\n\n\u003cp\u003eWashington DC is a federal district rather than a state. Steam and stationary engineers are regulated locally through the \u003cstrong\u003eDistrict of Columbia Board of Industrial Trades\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eDistrict law defines a steam engineer as a person who maintains, inspects, and operates steam or hot-water boilers and related equipment. The scope can include boiler-room pumps, condensate systems, blowdown tanks, burners, fuel systems, steam and gas turbines, steam pumps, air compressors, hot-water heaters, electrical systems, chillers, refrigeration equipment, cooling towers, pumps, controls, electrical generators, and fuel-burning appliances.\u003c\/p\u003e\n\n\u003cp\u003eThis broad statutory scope helps explain why the Second Class examination covers electrical systems, refrigeration, turbines, cooling towers, pumps, controls, and engineering calculations in addition to boilers.\u003c\/p\u003e\n\n\u003cp\u003eDistrict law requires an applicant for a Steam Engineer license to establish the \u003cstrong\u003eexperience and knowledge required for the class of license sought\u003c\/strong\u003e to the satisfaction of the Board of Industrial Trades.\u003c\/p\u003e\n\n\u003cp\u003eCurrent Stationary Engineers application instructions require an \u003cstrong\u003eEmployment Verification Letter\u003c\/strong\u003e. Applicants should maintain clear records of stationary-plant employment and duties so their experience can be documented for the licensing process.\u003c\/p\u003e\n\n\u003cp\u003eThe District's current stationary-engineer instructions also state that there is \u003cstrong\u003eno waiver or reciprocity for stationary engineers\u003c\/strong\u003e. Candidates seeking the Washington DC credential should therefore plan to complete the applicable District licensing requirements.\u003c\/p\u003e\n\n\u003cp\u003eWashington DC Steam Engineer licenses currently expire on \u003cstrong\u003eSeptember 30 of even-numbered years\u003c\/strong\u003e, regardless of when during the licensing cycle the credential was obtained.\u003c\/p\u003e\n\n\u003cp\u003eThe product title includes “Contractor Book Package,” but the PSI examination described on this page is the \u003cstrong\u003eSecond Class Stationary Boilers examination\u003c\/strong\u003e associated with the individual Steam Engineer licensing program. Business or contractor licensing obligations are separate from the individual Stationary Engineer examination and credential.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eReference Books\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoiler Operator’s Workbook, ATP\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA practice-oriented resource for reviewing boiler operation, calculations, plant systems, safety procedures, and technical boiler concepts. Workbook-style study can be especially useful when preparing for a closed-book examination.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eStationary Engineering, ATP\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA broad stationary-engineering reference covering boilers, steam systems, plant equipment, operating procedures, maintenance, auxiliary equipment, controls, and other subjects relevant to stationary-plant operation.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eHigh Pressure Boilers, 6th Edition, 2019\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA detailed high-pressure boiler study reference covering boiler construction, operation, combustion, draft, feedwater, water treatment, controls, maintenance, safety, accessories, and operating procedures.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eSteam Plant Operation, 10th Edition, 2017\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA comprehensive steam-plant resource covering steam generation, turbines, boilers, combustion, auxiliary systems, feedwater, water treatment, environmental systems, plant efficiency, and operating principles.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eBoiler Operator’s Guide, 5th Edition\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA practical study resource addressing boiler operation, maintenance, controls, combustion, feedwater systems, troubleshooting, safety devices, auxiliary equipment, and common boiler-room procedures.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eModern Refrigeration and Air Conditioning, 22nd Edition\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA comprehensive HVACR study resource covering refrigeration principles, compressors, condensers, evaporators, refrigerants, air-conditioning systems, controls, troubleshooting, service procedures, and cooling-system operation. It supports preparation for the refrigeration, air-conditioning, and cooling-tower portion of the examination.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eLow Pressure Boilers, 5th Edition\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA study reference covering low-pressure steam and hot-water boiler systems, controls, accessories, burners, safety, water treatment, operation, and maintenance.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eUgly's Electrical References\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA compact resource covering electrical formulas, motors, transformers, conductors, calculations, and practical electrical information that supports preparation for the Electrical portion of the stationary-boiler exam.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eElectric Motor Control for Integrated Systems, ATP\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA focused study book covering motors, starters, relays, contactors, control circuits, schematics, troubleshooting, and integrated motor-control systems found in commercial and industrial facilities.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eHVAC Control Systems, ATP\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA technical resource addressing pneumatic and electronic HVAC controls, sensors, controllers, actuators, control sequences, system operation, and troubleshooting. It supports preparation for control-system questions on the Second Class examination.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe current PSI reference list for examination 314 includes Boiler Operator’s Workbook, Stationary Engineering, High Pressure Boilers, Steam Plant Operation, Boiler Operator’s Guide, Low Pressure Boilers, Ugly’s Electrical Reference, Electric Motor Control for Integrated Systems, and HVAC Control Systems. PSI's published list names \u003cstrong\u003eRefrigeration and Air Conditioning Technology\u003c\/strong\u003e for the refrigeration reference. The \u003cstrong\u003eModern Refrigeration and Air Conditioning, 22nd Edition\u003c\/strong\u003e included in this package serves as the package's HVACR study resource for refrigeration and air-conditioning concepts.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eTest Information and Study Materials\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eTurbines, Design Auxiliaries, and Operations\u003c\/strong\u003e represent 15% of the examination. Candidates should understand steam-turbine operating principles, governors, lubrication, condensers, auxiliary equipment, startup, shutdown, abnormal operating conditions, and the relationship between turbines and the rest of the steam plant.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBoiler Operations, Maintenance, and Safety\u003c\/strong\u003e account for 9%. Review startup and shutdown procedures, water-level control, pressure controls, safety devices, inspections, maintenance, boiler-room hazards, emergency response, and safe operating practices.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWaste to Energy Plants and Environmental\/Pollution Control\u003c\/strong\u003e represent 7%. Candidates should understand basic waste-to-energy concepts, emissions, combustion byproducts, environmental-control equipment, and pollution-control principles associated with boiler and power-plant operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWater Treatment\u003c\/strong\u003e accounts for 8%. Study scale, corrosion, dissolved solids, hardness, oxygen, pH, blowdown, condensate return, feedwater treatment, deaeration, chemical treatment, and the consequences of poor boiler-water quality.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBoiler Combustion and Fuels\u003c\/strong\u003e represent 7%. Review fuels, burners, draft, air-fuel ratios, combustion efficiency, excess air, incomplete combustion, flue gases, and safe burner operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBoiler Accessories and Auxiliary Equipment\u003c\/strong\u003e account for 8%. Candidates should know the purpose and operating principles of economizers, feedwater heaters, superheaters, deaerators, draft equipment, soot blowers, pumps, condensers, tanks, and other plant auxiliaries.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEngineering Calculations\u003c\/strong\u003e represent 7%. Practice calculations involving boiler horsepower, heat, efficiency, pressure, temperature, flow, power, electrical relationships, and other stationary-engineering quantities. Because the examination is closed book, candidates should practice solving common problems without relying on worked examples.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eElectrical\u003c\/strong\u003e represents 8%. Study electrical fundamentals, voltage, current, resistance, power, motors, transformers, protective devices, electrical safety, and common equipment found in mechanical plants.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eControls—Pneumatic and Electronic\u003c\/strong\u003e account for 7%. Review control loops, sensors, actuators, relays, motor controls, pneumatic systems, electronic controllers, sequence-of-operation concepts, and troubleshooting.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePumps, Feed, Hydronic, and Condensate Systems\u003c\/strong\u003e represent 8%. Candidates should understand centrifugal-pump principles, suction and discharge conditions, cavitation, feedwater systems, hydronic circulation, condensate return, valves, piping arrangements, and troubleshooting.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRefrigeration, Air Conditioning, and Cooling Towers\u003c\/strong\u003e account for 8%. Review refrigeration cycles, compressors, condensers, evaporators, refrigerants, chillers, cooling towers, heat rejection, airflow, water flow, and the fundamentals of commercial HVAC systems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBoiler Design and Principles\u003c\/strong\u003e represent 8%. Study firetube and watertube boilers, pressure parts, heating surfaces, circulation, steam generation, combustion chambers, fittings, safety devices, and construction principles affecting boiler operation.\u003c\/p\u003e\n\n\u003cp\u003eA strong closed-book study method is to break preparation into systems. Review boiler construction and combustion together, then water treatment and feedwater, turbines and auxiliaries, pumps and condensate, electrical and control systems, refrigeration and cooling towers, and engineering calculations.\u003c\/p\u003e\n\n\u003cp\u003ePractice explaining each system without consulting the book. If a candidate can describe what the equipment does, how it interacts with the plant, what can go wrong, and what safety concerns apply, that knowledge is more likely to remain available during a closed-book exam.\u003c\/p\u003e\n\n\u003cp\u003eScenario-based study is also useful. Review what happens during low water, flame failure, loss of feedwater, high boiler-water solids, pump cavitation, control-system failure, condenser problems, refrigeration-system faults, or abnormal turbine conditions. Understanding cause and effect can help with questions that test application rather than simple memorization.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow 1 Exam Prep Helps You Reach Your Goal\u003c\/h2\u003e\n\n\u003cp\u003e1 Exam Prep supports Washington DC Second Class Stationary Boilers candidates through organized study guidance, boiler and stationary-engineering review, practice-oriented preparation, engineering calculations, technical-system study, and confidence-building preparation structure.\u003c\/p\u003e\n\n\u003cp\u003eThe books in this package cover the major technical areas represented on the examination, including high-pressure and low-pressure boilers, steam plants, turbines, combustion, water treatment, pumps, electrical systems, motor controls, refrigeration, air conditioning, and HVAC controls.\u003c\/p\u003e\n\n\u003cp\u003eBecause examination 314 is closed book, an organized study plan is especially important. Candidates need to move beyond simply locating answers in references and build enough understanding to recognize correct principles and procedures from memory.\u003c\/p\u003e\n\n\u003cp\u003ePractice-oriented preparation can help candidates strengthen calculations, equipment knowledge, operating sequences, safety awareness, and troubleshooting skills. Reviewing missed questions and returning to weak topics can help create a more complete understanding of stationary-plant operations.\u003c\/p\u003e\n\n\u003cp\u003e1 Exam Prep focuses on helping candidates organize the broad examination content, study trade-specific systems, reinforce technical fundamentals, and develop a consistent preparation routine without guaranteeing a particular examination score, license approval, or testing outcome.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow many questions are on the Washington DC Second Class Stationary Boilers exam?\u003c\/h2\u003e\n\n\u003cp\u003eThe current examination contains \u003cstrong\u003e80 multiple-choice questions\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow much time is allowed for the examination?\u003c\/h2\u003e\n\n\u003cp\u003eCandidates receive a \u003cstrong\u003e3-hour time limit\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eIs the Washington DC Second Class Stationary Boilers exam open book?\u003c\/h2\u003e\n\n\u003cp\u003eNo. Examination 314 is a \u003cstrong\u003eclosed-book test\u003c\/strong\u003e. The books in this package are used for preparation rather than during the examination.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat is the largest section of the examination?\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eTurbines, Design Auxiliaries, and Operations\u003c\/strong\u003e is the largest individual category at \u003cstrong\u003e15%\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eDoes the examination include boiler calculations?\u003c\/h2\u003e\n\n\u003cp\u003eYes. \u003cstrong\u003eEngineering Calculations\u003c\/strong\u003e represent 7% of the current examination outline.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eDoes the exam include electrical subjects?\u003c\/h2\u003e\n\n\u003cp\u003eYes. Electrical knowledge represents 8%, while pneumatic and electronic controls represent another 7% of the examination.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eDoes the examination cover refrigeration and air conditioning?\u003c\/h2\u003e\n\n\u003cp\u003eYes. \u003cstrong\u003eRefrigeration, Air Conditioning, and Cooling Towers\u003c\/strong\u003e represent 8% of the current exam.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eDoes the exam cover turbines?\u003c\/h2\u003e\n\n\u003cp\u003eYes. Turbines, their auxiliary systems, design concepts, and operation form the largest individual examination category.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eDoes Washington DC require experience for Steam Engineer licensing?\u003c\/h2\u003e\n\n\u003cp\u003eYes. District law requires applicants to establish the experience and knowledge appropriate to the class of Steam Engineer license sought, as determined by the Board of Industrial Trades.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat application document is required for Stationary Engineers?\u003c\/h2\u003e\n\n\u003cp\u003eCurrent District Stationary Engineers application instructions require an \u003cstrong\u003eEmployment Verification Letter\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eIs reciprocity available for Washington DC stationary engineers?\u003c\/h2\u003e\n\n\u003cp\u003eCurrent District instructions state that there is \u003cstrong\u003eno waiver or reciprocity for stationary engineers\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWho regulates Washington DC stationary engineers?\u003c\/h2\u003e\n\n\u003cp\u003eStationary and Steam Engineer licensing is regulated through the \u003cstrong\u003eDistrict of Columbia Board of Industrial Trades\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWho administers the Second Class Stationary Boilers examination?\u003c\/h2\u003e\n\n\u003cp\u003eThe Washington DC examination is administered through \u003cstrong\u003ePSI\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhen do Washington DC Steam Engineer licenses expire?\u003c\/h2\u003e\n\n\u003cp\u003eCurrent District instructions state that licenses expire on \u003cstrong\u003eSeptember 30 of even-numbered years\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow long must I wait to retake a failed Second Class Stationary Boilers exam?\u003c\/h2\u003e\n\n\u003cp\u003eThe current PSI bulletin requires a \u003cstrong\u003ethree-month waiting period\u003c\/strong\u003e before retaking a failed Second Class Stationary Boilers examination.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat should I focus on when studying?\u003c\/h2\u003e\n\n\u003cp\u003eFocus on turbines, boiler operation and safety, environmental controls, water treatment, combustion, fuels, boiler auxiliaries, engineering calculations, electrical systems, pneumatic and electronic controls, pumps, feedwater and condensate systems, refrigeration, air conditioning, cooling towers, and boiler design principles.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhy choose the Washington DC Second Class Stationary Boilers Contractor Book Package?\u003c\/h2\u003e\n\n\u003cp\u003eThis package provides a broad technical study library for the subjects represented on the Washington DC Second Class Stationary Boilers examination. Its combination of boiler, steam-plant, stationary-engineering, electrical, motor-control, refrigeration, and HVAC-control resources supports structured preparation for a demanding closed-book examination covering multiple plant systems and engineering disciplines.\u003c\/p\u003e","brand":"1 Exam Prep","offers":[{"title":"Default Title","offer_id":46530885386297,"sku":"OEP-885386297","price":2195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1789\/0861\/files\/DC-SECONDCLASSSTATIONARYBOILERCONTRACTOR-BOOKS_8f306e4b-5787-43de-aaeb-4db5927ca36e.jpg?v=1789662014","url":"https:\/\/1examprep.com\/products\/washington-dc-second-class-stationary-boilers-contractor-book-package","provider":"1 Exam Prep","version":"1.0","type":"link"}