2009 Journeyman Mechanical N31 Exam Practice Questions and Study Guide

2009 Journeyman Mechanical N31 Exam 
Practice Questions and Study Guide and Study Guide Workbook
Paperback Version
Based on the ICC International Mechanical Code and the International Fuel Gas Code 2009
820 Code Questions
8 Complete Self Timed Exams
 
There are 50 Code Questions on the 2009 Journeyman Mechanical N31 Exam 
That is equivalent to taking the exam over 8 Times!