Louisiana (New Orleans) ICC Second Class Stationary Refrigeration - 639-LA - Online Practice Questions

Louisiana (New Orleans) ICC Second Class Stationary Refrigeration - 639-LA - Online Practice Questions

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Louisiana (New Orleans) ICC Second Class Stationary Refrigeration - 639-LA - Online Practice Questions

Prepare for the Louisiana (New Orleans) ICC Second Class Stationary Refrigeration Exam (639-LA) with online practice questions from 1 Exam Prep. Designed for refrigeration technicians, stationary equipment operators, maintenance professionals, and individuals pursuing Second Class Stationary Refrigeration qualifications in New Orleans, this online preparation resource helps strengthen your understanding of refrigeration systems, mechanical codes, electrical controls, refrigerants, equipment operation, and maintenance procedures.

The Louisiana ICC Second Class Stationary Refrigeration - 639-LA - Online Practice Questions program includes 3 months of online access, allowing you to review important technical concepts, practice applying refrigeration knowledge, and organize preparation around your professional schedule.

Stationary refrigeration work requires a strong understanding of mechanical equipment, refrigeration cycles, safety procedures, electrical components, and equipment maintenance. Professionals responsible for operating and maintaining stationary refrigeration systems must recognize operating conditions, understand equipment functions, and apply technical knowledge to support safe and reliable system operation.

This online practice resource supports preparation alongside three important technical references: NFPA 70: National Electrical Code, 2014 Edition, International Mechanical Code, 2015, and Modern Refrigeration and Air Conditioning, 22nd Edition.

Whether you are preparing for your first examination or reviewing knowledge developed through years of refrigeration experience, online practice questions provide a structured way to reinforce important concepts, identify subjects requiring additional attention, and build confidence before examination day.

What You Get

  • Online Practice Questions: Exam-focused preparation covering technical subjects associated with Louisiana (New Orleans) ICC Exam 639-LA.
  • 3 Months of Access: Three months of access to the online practice question resource.
  • Refrigeration System Review: Reinforce knowledge of compressors, condensers, evaporators, refrigeration cycles, and cooling equipment.
  • Mechanical Code Preparation: Review important mechanical requirements involving refrigeration systems, piping, ventilation, and equipment installation.
  • Electrical and Controls Study: Strengthen understanding of electrical components, motors, control circuits, and equipment operation.
  • Maintenance and Troubleshooting: Review equipment inspections, operating procedures, preventative maintenance, and system repair concepts.
  • Flexible Study Schedule: Organize preparation around your work responsibilities and examination date.

Your three-month access period provides an opportunity to develop consistent study habits. Instead of relying exclusively on last-minute reading, you can divide important subjects into manageable sessions and concentrate on technical areas that need additional attention.

Practice questions encourage active learning by helping you interpret technical situations, recognize relevant mechanical principles, and connect refrigeration theory with practical equipment operation.

Exam Details

The Louisiana (New Orleans) Second Class Stationary Refrigeration examination is part of the International Code Council (ICC) contractor and trades examination program.

Exam 639 evaluates technical knowledge associated with stationary refrigeration equipment, mechanical systems, electrical controls, refrigerants, operating procedures, and maintenance.

  • Exam Name: Louisiana (New Orleans) Second Class Stationary Refrigeration
  • Exam Code: 639-LA
  • Exam Organization: International Code Council (ICC)
  • Testing Provider: Pearson VUE
  • Jurisdiction: New Orleans, Louisiana
  • Exam Format: Multiple-choice examination
  • Number of Questions: 30
  • Time Limit: 1 hour and 30 minutes
  • Exam Type: Open book
  • Online Practice Access: 3 months

The ICC examination outline identifies nine primary subject areas:

  • Theory, Terminology, and General Requirements – 10%: Refrigeration principles, mechanical terminology, and general equipment requirements.
  • Compressors and Types of Systems – 10%: Compressor operation, refrigeration configurations, and system characteristics.
  • Evaporators, Condensers, and Cooling Towers – 10%: Heat-transfer equipment, cooling processes, and system components.
  • Piping Inspection and Field Testing – 10%: Refrigeration piping, equipment inspection, and testing principles.
  • Air Duct and Insulation – 10%: Air distribution, mechanical insulation, and related installation concepts.
  • Electrical and Controls – 20%: Electrical components, motors, control devices, and refrigeration equipment operation.
  • Refrigerants – 10%: Refrigerant properties, applications, and system principles.
  • Operation Procedures – 10%: Refrigeration equipment operation and established operating practices.
  • Maintenance and Repairs – 10%: Preventative maintenance, inspection, troubleshooting, and repair concepts.

Electrical and Controls represents the largest examination category at 20%. Each of the remaining eight subjects represents 10% of the examination.

Understanding this distribution helps you organize your preparation. Electrical controls deserve particular attention, but every examination category contributes to the overall test.

Open Book Test

The Louisiana (New Orleans) ICC Second Class Stationary Refrigeration Exam (639-LA) is an open book test. Candidates may use approved reference materials according to ICC and Pearson VUE examination rules.

The examination contains 30 multiple-choice questions with a 90-minute time limit. Although approved reference books are available, candidates benefit from understanding the material and knowing how to locate relevant information efficiently.

The ICC examination outline identifies the following approved references:

  • International Mechanical Code, 2015
  • Modern Refrigeration and Air Conditioning, 19th Edition
  • NFPA 70: National Electrical Code, 2014 Edition

The 22nd Edition of Modern Refrigeration and Air Conditioning listed with this study product provides technical material for preparation. The ICC examination outline specifies the 19th Edition for examination reference use.

Effective open-book preparation includes:

  • Learning how mechanical and electrical code references are organized.
  • Reviewing common refrigeration terminology and equipment components.
  • Understanding the principles behind refrigeration cycles and heat transfer.
  • Practicing efficient reference navigation.
  • Recognizing electrical control and motor-related concepts.
  • Developing time-management habits for multiple-choice examinations.

Becoming familiar with your reference materials before examination day can help reduce unnecessary searching and allow more time for answering technical questions.

Licensing Steps

The City of New Orleans regulates stationary engineering activities through its Department of Safety and Permits. Stationary engineering licensing addresses the operation of designated mechanical equipment, including refrigeration and air conditioning systems.

The licensing process involves meeting applicable professional qualifications, completing the required examination, and submitting the necessary application documentation.

  1. Identify Your Classification: Determine which stationary refrigeration operating classification applies to your intended responsibilities.
  2. Review Experience Requirements: Understand the qualifications established under the City of New Orleans stationary engineering regulations.
  3. Prepare for ICC Exam 639-LA: Study refrigeration principles, mechanical requirements, electrical controls, and equipment maintenance.
  4. Register for the Examination: Follow ICC and Pearson VUE examination registration procedures.
  5. Complete the Examination: Demonstrate technical knowledge through the required multiple-choice assessment.
  6. Submit Licensing Documentation: Complete the applicable City of New Orleans stationary engineering application process.
  7. Complete City Processing: Follow the licensing authority's review and appointment procedures.

Organizing your examination preparation alongside your professional experience documentation can help make the overall licensing process more manageable.

State Requirements

The Louisiana (New Orleans) Second Class Stationary Refrigeration examination is associated with stationary engineering requirements established by the City of New Orleans.

New Orleans regulates the operation of certain boilers, engines, refrigeration systems, and air conditioning equipment through local stationary engineering provisions.

Under the City's stationary engineering ordinance, applicants for a Second Class Engineer license generally need three years of qualifying practical experience. The ordinance provides a reduced experience requirement of one and one-half years for applicants meeting its recognized technical education or apprenticeship qualifications.

The ordinance also establishes a minimum passing examination grade of 70% for stationary engineering examinations.

Second Class Stationary Engineer responsibilities are defined by equipment classifications, operating conditions, and applicable supervision requirements.

New Orleans administers stationary engineering license applications through its One Stop application system. Its licensing process includes application review, required identification, an applicant photograph, and examination documentation.

Stationary Engineer's Licenses are subject to annual renewal under the City's licensing program.

Understanding these requirements is important for professionals responsible for operating refrigeration equipment in commercial, institutional, and industrial facilities.

Reference Books

The following publications support preparation for the Louisiana ICC Second Class Stationary Refrigeration examination.

  • NFPA 70: National Electrical Code, 2014 Edition
    The National Electrical Code establishes requirements for safe electrical installations, including wiring methods, electrical equipment, motors, circuit protection, grounding, and related electrical systems. It supports preparation involving refrigeration electrical components and controls. The 2014 NEC is identified in the ICC examination reference list for Exam 639-LA.
  • International Mechanical Code, 2015
    The 2015 International Mechanical Code establishes requirements involving mechanical equipment, refrigeration systems, ventilation, piping, exhaust, and mechanical installations. It provides code-based guidance relevant to the safe installation and operation of mechanical systems. This edition is identified as an approved reference for ICC Exam 639-LA.
  • Modern Refrigeration and Air Conditioning, 22nd Edition
    This comprehensive HVAC textbook explains refrigeration fundamentals, compressors, condensers, evaporators, electrical systems, refrigerants, equipment operation, troubleshooting, and maintenance. It helps connect refrigeration theory with practical equipment applications. The ICC examination reference list specifies the 19th Edition for Exam 639-LA.

These three resources address different aspects of refrigeration preparation. The National Electrical Code supports electrical knowledge, the International Mechanical Code covers mechanical requirements, and Modern Refrigeration and Air Conditioning provides detailed technical explanations.

Studying with these publications alongside online practice questions encourages a broader understanding of stationary refrigeration equipment.

Test Information and Study Materials

The Louisiana ICC Second Class Stationary Refrigeration - 639-LA - Online Practice Questions resource supports organized preparation across the major examination subjects.

Refrigeration Theory and General Requirements

Review basic refrigeration principles, heat transfer, pressure-temperature relationships, and mechanical terminology.

Understanding the refrigeration cycle provides an important foundation for questions involving equipment performance and system operation.

Compressors and Refrigeration Systems

Compressors are essential components of vapor-compression refrigeration systems. Review compressor operation, common configurations, lubrication concepts, and the relationship between compressors and other refrigeration components.

Become familiar with how different refrigeration systems are arranged and how their components work together.

Evaporators, Condensers, and Cooling Towers

Study the operation of heat-transfer equipment and its role in refrigeration processes.

Review evaporation, condensation, cooling tower principles, airflow, and water-cooled system concepts.

Understanding these components helps connect refrigeration theory with operating conditions encountered in stationary equipment.

Refrigeration Piping and Field Testing

Refrigeration piping connects major system components and supports refrigerant circulation.

Review piping materials, installation principles, inspection procedures, and field testing concepts.

Understanding the relationship between piping integrity and refrigeration system operation can help you interpret technical questions more effectively.

Air Duct and Insulation

Air distribution systems are important components of many mechanical installations.

Study duct construction, mechanical insulation, airflow principles, and related installation requirements.

Review how insulation and duct design affect system operation and performance.

Electrical and Controls

Electrical and Controls accounts for 20% of Exam 639-LA, making it the highest-weighted examination category.

Review electrical fundamentals, motors, relays, contactors, thermostats, control circuits, protective devices, and refrigeration system electrical components.

Understanding how electrical control systems regulate refrigeration equipment can help you interpret questions involving equipment operation and system performance.

Refrigerants and System Operation

Refrigerants are essential to the heat-transfer process in refrigeration systems.

Review refrigerant characteristics, pressure-temperature relationships, refrigerant applications, and safe handling principles.

Understanding refrigerant behavior can help you recognize the operating relationships between compressors, condensers, expansion devices, and evaporators.

Operation Procedures

Stationary refrigeration equipment requires organized operating procedures and an understanding of equipment conditions.

Review system startup, normal operation, shutdown procedures, equipment monitoring, and the importance of recognizing abnormal operating conditions.

Understanding these principles supports the technical responsibilities associated with stationary refrigeration equipment.

Maintenance and Repairs

Review preventative maintenance, equipment inspection, troubleshooting principles, and common refrigeration system service procedures.

Understanding how major components interact can help you recognize possible causes of equipment performance problems.

Practice applying refrigeration knowledge to maintenance situations involving compressors, electrical controls, refrigerants, and heat-transfer equipment.

Recommended Three-Month Study Strategy

Use your three months of online practice question access to organize preparation into manageable stages:

  • Month One – Build Refrigeration Fundamentals: Review refrigeration theory, terminology, compressors, evaporators, condensers, and major system components.
  • Month Two – Strengthen Technical Knowledge: Concentrate on electrical controls, mechanical codes, refrigeration piping, refrigerants, and equipment operation.
  • Month Three – Improve Exam Readiness: Revisit challenging subjects, practice reference navigation, and review maintenance and troubleshooting concepts.

Consistent study sessions help reinforce technical knowledge while identifying areas requiring additional preparation.

When reviewing unfamiliar concepts, consult the corresponding technical reference and focus on understanding the reasoning behind the applicable principle.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps stationary refrigeration professionals approach ICC Exam 639-LA through organized study guidance, trade-focused technical review, and practice-oriented preparation.

The online practice questions encourage candidates to apply refrigeration knowledge, review important mechanical requirements, and become familiar with subjects included in the examination outline.

Rather than relying entirely on passive reading, practice-oriented learning supports a more active approach to reviewing refrigeration concepts and technical information.

1 Exam Prep supports your preparation through:

  • Structured Study Guidance: Organize preparation around the nine ICC examination categories.
  • Refrigeration-Focused Review: Reinforce knowledge of stationary refrigeration systems, components, and operating principles.
  • Practice-Oriented Preparation: Apply technical understanding through online examination-style questions.
  • Reference Navigation: Improve familiarity with mechanical, electrical, and refrigeration publications.
  • Maintenance Knowledge: Strengthen understanding of equipment service and troubleshooting principles.
  • Consistent Study Structure: Use three months of access to maintain an organized preparation schedule.

Preparing for the Louisiana Second Class Stationary Refrigeration examination provides an opportunity to strengthen technical knowledge and become more familiar with important equipment responsibilities.

1 Exam Prep offers a focused approach to reviewing refrigeration principles and working toward your examination goal with confidence.

FAQ Section

What is the Louisiana ICC Second Class Stationary Refrigeration 639-LA exam?

The Louisiana (New Orleans) ICC Second Class Stationary Refrigeration examination evaluates refrigeration theory, compressors, electrical controls, mechanical requirements, refrigerants, equipment operation, and maintenance knowledge.

How long can I access the online practice questions?

This product includes 3 months of online access, allowing you to organize your preparation around your schedule and examination goals.

Is the Louisiana ICC 639-LA examination open book?

Yes. ICC Exam 639-LA is an open-book examination. Candidates may use approved reference materials according to ICC testing policies.

How many questions are on Exam 639-LA?

The examination contains 30 multiple-choice questions covering nine technical subject areas.

How much time is allowed for the examination?

Candidates have one hour and 30 minutes to complete the examination.

What books should I study for the Second Class Stationary Refrigeration exam?

The study references listed for this product are NFPA 70: National Electrical Code, 2014 Edition; International Mechanical Code, 2015; and Modern Refrigeration and Air Conditioning, 22nd Edition. The ICC examination reference list identifies the 19th Edition of Modern Refrigeration and Air Conditioning.

Are the reference books included with this product?

This product provides online practice questions with three months of access. The listed publications are study references and are not identified as included physical books.

What examination subject has the most questions?

Electrical and Controls is the largest subject area, representing 20% of the examination.

What refrigeration subjects should I concentrate on?

Important subjects include refrigeration theory, compressors, condensers, evaporators, cooling towers, piping, electrical controls, refrigerants, equipment operation, and maintenance.

Who administers the Louisiana 639-LA examination?

The International Code Council administers the contractor and trades examination program, with testing services provided through Pearson VUE.

Is this examination associated with New Orleans licensing?

Yes. The examination is designated for the Louisiana (New Orleans) Second Class Stationary Refrigeration classification.

Does passing Exam 639-LA automatically provide a license?

No. Examination completion and license issuance are separate steps. Applicants must satisfy the licensing authority's applicable qualification, application, and documentation requirements.

Why choose 1 Exam Prep for Louisiana Second Class Stationary Refrigeration preparation?

1 Exam Prep provides online practice questions designed to support organized technical examination preparation. With three months of access and review centered on refrigeration, mechanical systems, electrical controls, and maintenance concepts, candidates can strengthen technical understanding and approach the examination with greater confidence.

Start preparing for the Louisiana (New Orleans) ICC Second Class Stationary Refrigeration 639-LA examination with online practice questions from 1 Exam Prep and take advantage of three months of focused study access.