Licensing Exams by Trade Name - Home Link

Mississippi

Mechanical Contractor

Apply for the License
Mississippi Board of Contractors (MSBOC)
2679 Crane Ridge Drive, Suite C
Jackson, MS  39216
Phone:  (601) 354-6161
Exam Provider
PSI Services LLC
3210 E. Tropicana Ave
Las Vegas, NV  89121
Phone:  (800) 557-0619
Exam Type
OPEN  BOOK
Exam Content
Subject Areas# of
Questions
Boilers & Hydronics6
Gas Systems10
Cleanouts3
Plumbing Fixtures & Equipment5
Water Heaters2
Piping, Valves & Controls5
Sheet Metal & Ducts6
Water Supply5
Hangers & Supports4
Drain, Waste & Vent5
Backflow2
Traps & Interceptors4
Developed Length3
Isometric Analysis8
Safety4
Joints & Connections3
General Plumbing Regulations3
Fire Sprinklers4
Refrigerants & Refrigeration4
Heating & Cooling Principles4
Load Calculations5
Testing, Adjusting & Balancing1
HVAC Equipment4
Total number of test questions:
100
Time allowed (hours):
4.0

In addition to the Mississippi trade-specific examination, you are required to pass the Law & Business Management Exam offered by PSI unless waived through reciprocity.

Books Allowed in the Exam
1.
Modern Refrigeration and Air Conditioning, 19th, 20th or 21st Edition, Althous, Turnquist, Bowditch, Bracciano
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2.
Code of Federal Regulations, 29 CFR Part 1926 (OSHA), GPO [or] (OSHA) Selections by PSI, 2013
Buy from PSI
3.
International Fuel Gas Code, 2018, ICC
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4.
HVAC Duct Construction Standards - Metal and Flexible, 3rd Edition, SMACNA
Buy at Amazon
5.
Manual N: Load Calculation for Commercial Summer and Winter Air Conditioning, 5th Edition, 2008, ACCA
Buy at Amazon
6.
International Mechanical Code, 2018, ICC
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7.
International Plumbing Code, 2018, ICC
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8.
NFPA 58: Liquefied Petroleum Gas Code, 2011, NFPA
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9.
NFPA 13: Standard for the Installation of Sprinkler Systems, 2002, NFPA
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10.
ACCA Ductulator (Duct Slide Rule), ACCA
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11.
Manual D: Residential Duct Systems, 2016, 3rd Edition, ACCA
Buy at Amazon
12.
Pipefitter’s Handbook, 3rd Edition, 1967, Forrest Lindsey
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NOTICE:  The version (4th) shown in the PSI bulletin for reference #11 appears to be incorrect.

Available Study Materials
PSI OSHA Selections
Study Guide
$54.95

Sample questions are based on the PSI publication titled “29 CFR PART 1926 Selections, as of June 2013” (highlighted in green above).

This file contains approx. 800 sample questions.

REMINDER:  PSI uses this book for many exams they offer.  Not all sections of this code will apply to your exam.

We also include a table showing the relationship between our questions and OSHA code sections.  Corrections to the original PSI publication are noted.

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