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LEED O&M MOCK EXAM: Questions, Answers, and Explanations, A Must-Have for the LEED AP O+M Exam, Green Building LEED Certification, and Sustainability [Kindle Edition]

Gang Chen
3.9 out of 5 stars  See all reviews (7 customer reviews)

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Book Description

Pass the LEED O&M Exam, Get Your Building LEED Certified, Fight Global Warming, and Save Money!

LEED (Leadership in Energy and Environmental Design) is one of the most important trends in development and is revolutionizing the construction industry. It has gained tremendous momentum and has a profound impact on our environment.

From this book, you will be able to:
1. Identify your weakness through practice questions
2. Learn to work well under the pressure of timed tests
3. Check your responses against the solutions
4. Understand the solutions for the difficult questions through the explanations
5. Fully understand the scope, difficulty level, and format of the LEED O&M Exam
6. Learn how to pass the LEED O&M Exam

There is NO official GBCI book on the LEED O&M Exam. LEED O&M Mock Exams fills in the blanks and demystifies LEED. The book includes 200 questions and simulates the real exam in every aspect, including scope, difficulty level, format, and number of questions in each LEED category. It includes questions, answers, and explanations. This book is small and easy to carry around. You can read it whenever you have spare minutes. It is an indispensable resource for ordinary people, developers, brokers, contractors, administrators, architects, landscape architects, engineers, interns, drafters, designers, and other design professionals.

Gang Chen is a LEED AP and a licensed architect in California. He is also the internationally ac-claimed author of other fascinating books, including: Architectural Practice Simplified, Planting Design Illustrated, and the LEED Exam Guide series, which includes one guide book for each of the LEED exams.

Sample Questions for "LEED O&M Mock Exam"

101.A project team needs to submit a minimum of ( ) of water for WEc1: Water Performance Measurement.
a. 60%
b. 70%
c. 80%
d. 90%

102. For a multitenant building, a project team needs to involve a minimum of ( ) of the total gross floor space.
a. 60%
b. 70%
c. 80%
d. 90%

103. For an office building seeking LEED O&M certification, a project team needs to address all of the following for SSc2, Building Exterior and Hardscape Management Plan except:
a. building exterior cleaning.
b. painting used on the building exterior for a detached parking garage.
c. snow and ice removal.
d. hardscape cleaning.

You can find 200 questions, answers, and explanations in this book.

Editorial Reviews


Must read...
Chock full of mock test questions that simulate the actual exam to a tee. This book should be your first stop on the road to your LEED AP O&M...and then your last stop...Highly recommended.
--Neil Rosen, AIA, member of USGBC's ERB

From the Author

Latest trend for LEED ExamsRecently, there are quite a few readers run into the versions of the LEED exams that have many questions on refrigerants (CFC, HCFC, and HFC), the following advice will help you answer these questions correctly:

For more information, see free pdf file of "The Treatment by LEED of the Environmental Impact of HVAC Refrigerants" that you can download at link below:

This is a VERY important document that you need to become familiar with. Many real LEED exam questions (CFC, HCFC, and HFC, etc.) come from this document. You need to download it for free and read it at least 3 times.

Pay special attention to the Table on ODP and GWP on page 3. You do not have to remember the exact value of all ODPs and GWPs, but you do need to know the rough number for various groups of refrigerants."

This latest trend regarding refrigerants (CFC, HCFC, and HFC) for LEED Exams
has a lot to do with LEED v3.0 Credit Weighting. EA (including refrigerants) is the biggest winner in LEED v3.0, meaning the category  has MORE questions than any other areas for ALL the LEED exams. See pages 36 to 38 of my book, LEED GA Exam Guide quoted below:

How are LEED credits allocated and weighted?
Answer: They are allocated and weighted per strategies that will have greater positive impacts on the most important environmental factors:  CO2 reductions and energy efficiency.

They are weighted against 13 aftereffects of human activities, including carbon footprint / climate change (25%), indoor-air quality (15%), resource/fossil-fuel depletion (9%), particulates (8%), water use/water intake (7%), human health: cancer (7%), ecotoxity (6%), eutrophication (5%), land use/habitat alteration (5%), human health: non cancer (4%), smog formation (4%), acidification (3%), and ozone depletion (2%).

These 13 aftereffects were created by the U.S. Environmental Protection Agency (EPA), and are also known as "TRACI
", a mnemonic for "Tool for the Reduction and Assessment of Chemical and Other Environmental Impacts."

1) The USGBC used a reference building to estimate environmental impact in the 13 categories above.

2) The USGBC also used a tool developed by the National Institute of Standard and Technology (NIST) to prioritize the TRACI

3) The USGBC also created a matrix to show the existing LEED credits and the TRACI
 categories, and used data that quantify building impacts on human health and environment to allocate points for each credit.

The points for Energy and Transportation credits have been greatly increased in LEED 2009, primarily because of the importance to reduce carbon or greenhouse gas emissions. Water Efficiency is also a big winner in the credits, doubling from 5 to 10 points for some LEED rating systems.

In addition to the weighting exercise, the USGBC also used value judgments, because if they only used the TRACI-NIST tool, some existing credits would be worth almost nothing, like the categories for human health and indoor air quality. The USGBC wanted to keep the LEED system somewhat consistent and retained the existing credits including those with few environmental benefits. So each credit was assigned at least one point in the new system.

There are NO negative values or fractions for LEED points.

20% reduction of indoor water-use used to be able to gain points, now this is a prerequisite in LEED 2009.

USGBC and GBCI seem to enjoy confusing LEED exam takers and making their lives miserable

One thing that I notice is that USGBC and GBCI tend to spread their information everywhere, but not in one place. They seem to enjoy confusing LEED exam takers and making their lives miserable.

For example, they have some information regarding the responsible party and project phase or case studies that are part of their workshops, but not in their reference guide; they also have a lot of information that is at the GBCI and USGBC websites, but not anywhere else, such as CIR guidelines, MPRs and related requirements, etc.

I just finished writing " LEED Green Associate Exam Guide" (published on 12/22/11), "LEED GA Mock Exams " (published on 3/9/12), "LEED BD&C Exam Guide" (published on 1/26/12), "LEED ID&C Exam Guide" (published on 1/28/12), "LEED ID&C Mock Exam" (published on 1/28/12) and "LEED O&M Exam Guide" (published on 1/27/12). Another thing that I notice is that because USGBC has expanded the LEED systems so much, they have to have different task groups to write different reference guides, but they are NOT even consistent between reference guides for different LEED systems. It seems like their tasks forces do not even talk to each other and coordinate: For example, ALL LEED systems were based on the platform set by LEED NC, but for EAp2, LEED CI only listed 2 related credits as synergies, but the LEED NC has included MANY more credits for synergies for the same credit, and most of them DO apply to LEED CI also, but the LEED ID+C reference guide misses these credits. Page 121 of LEED Interior Design and Construction Reference Guide also mistakenly listed EAp1 as IEQp2 under Domestic hot water systems for Table 1.

If you are taking the LEED GA Exam, you can take USGBC courses or workshops. You should take USGBC classes at both the 100 (Awareness) and 200 (LEED Core Concepts and Strategies) level to successfully prepare for the exam A one-day course can cost $445 if you register early enough, and can be as expensive as $495 if you miss the early bird special. You will also have to wait until the USGBC workshops or courses are offered in a city near you.

The problem is: when you go there, after you spend 8 hours and close to $500 for each workshop, the instructor will tell you that the workshops are NOT for LEED exam prep. Come on, you have just spent so much money and time and go through the trouble for the workshops, and they just tell you now the workshops are NOT tailored for the LEED exams? Give me a break.

So, I think third party books are absolutely necessary and they are much more helpful than the USGBC publications and workshops or GBCI and USGBC websites alone.

You can find sample texts and other information on the LEED Exam Guides Series in customer discussion sections under each of my book's listing on Amazon.

Product Details

  • File Size: 219 KB
  • Print Length: 172 pages
  • Publisher: ArchiteG, Inc. (September 20, 2010)
  • Sold by: Amazon Digital Services, Inc.
  • Language: English
  • ASIN: B0043VDVU8
  • Text-to-Speech: Enabled
  • X-Ray:
  • Word Wise: Not Enabled
  • Lending: Enabled
  • Amazon Best Sellers Rank: #1,482,516 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
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Customer Reviews

3.9 out of 5 stars
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Most Helpful Customer Reviews
3 of 3 people found the following review helpful
4.0 out of 5 stars Hard Core Study Resource May 10, 2011
Format:Paperback|Verified Purchase
Excellent study review. Do not expect this to take you through a step by step guide to guaranteed success. It is a succinct study guide. LEED is a real challenge, and this text will carry you into the heart of what the exam writers will be asking of you.
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4 of 5 people found the following review helpful
5.0 out of 5 stars LEED O&M Mock Exam January 15, 2011
This is one of several books in the LEED prep series by Gang Chen. It is well organized and comprehensive. This is not an overview text. It focuses directly on the questions that will be asked on the exam. In addition to mock exams for both parts of the test, Gang Chen provides a chapter on Frequently Asked Questions, that provide additional free resources that can aid in your certification process. Get the book, study it and take the test. You will be glad you did.
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3 of 4 people found the following review helpful
4.0 out of 5 stars LEED O & M EXAM PREPARTION TOOL November 23, 2010
Gang Chen's LEED O & M Mock Exam continues his series of user-friendly preparation tools for LEED professional qualification examinations. He provides clear guidance on how to prepare for each of the exams. O & M is relatively new in the LEED standards development process. Thus, there are a limited number of focused preparation texts. Gang Chen does not seek to be the sole source for the user. He is careful to articulate a reasonable course of study - in terms of time for study and appropriate resources. The Appendixes provide web links for supplemental materials, including a cautionary note about verifying current electronic addresses. He notes that different people have different learning styles, but favors repeated study for core concepts and memorization. This is realistic for the LEED examinations. This reviewer warns that "reading is fundamental" and the test-taker must read all questions carefully.

Gang Chen provides two mock exams with explanation of the correct answers. From this reviewer's experience, these seem true to the form and philosophy of the LEED exams. Both the Preface and Chapter Three of LEED O & M Mock Exam are especially interesting as FAQs provides essential information to many adult learners confronting professional exams for the first time after years as a practitioner.
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1 of 1 people found the following review helpful
4.0 out of 5 stars Dependable resource that will help you greatly August 31, 2011
Format:Kindle Edition
I have successfully used Gang Chen's books as study guides for both the LEED BD+C and ID+C so he was my first stop when I started looking for materials to study for the LEED O&M exam. This is not a full book; instead it is a sample test along with helpful information that will assist you in preparing for the LEED O&M exam. I particularly like his sample tests because they help me determine where my gaps in knowledge and weaknesses are as I prepare to take the exam and I can then spend extra time studying in those areas.
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More About the Author

Thank you for visiting my Amazon profile. You may want to check out my books listed on Amazon's Gang Chen Page. You can click on "Visit Amazon's Gang Chen Page" on the upper-left-hand corner to access the page.

The following is my bio:
Gang Chen holds a Master Degree from School of Architecture, University of Southern California (USC), Los Angeles, and a Bachelors Degree from the Department of Architecture, South China University of Technology. He has over 20 years of professional experience. Many of the projects he was in charge of, or participated in, have been published extensively in Architecture, Architectural Record, The Los Angeles Times and The Orange County Register, etc. He has worked on a variety of unusual projects, including well-known large-scale healthcare and hospitality projects with over one billion dollars in construction costs, award-winning school design, highly-acclaimed urban design and streetscape projects, multi-family housing and high-end custom homes, and regional and neighborhood shopping centers.

Gang Chen is a LEED AP BD+C, a licensed architect in California and a member of American Institute of Architects (AIA). He is also a bestselling author of "ARE Mock Exams Series," "LEED Exam Guides Series," "Architectural Practice Simplified," "Planting Design Illustrated," and other books on various LEED exams, ARE Exams, architecture, and landscape architecture(

Check out FREE tips and info for all ARE Exams at, you can post jpeg files of your vignettes or your questions for other users' review.


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