BOILERSHIFT EXAM PREP — ONE BOOK PER EXAM
BOILER OPERATOR EXAM PREP
Exam prep for Ohio & Maryland — six books, every licensed grade, more states in production.
The Ohio Ladder — Low-Pressure · High-Pressure · Stationary Steam Engineer
Practice questions, worked problems, and two full mock exams in every book — every answer verified against the codes your state actually adopted.
OHIO — 3 BOOKS
MARYLAND — 3 BOOKS
MORE STATES — IN PRODUCTION
The Accuracy Standard
Read the Standard »Answers re-verified
We don't print from memory. Every answer gets checked before the book ships.
Adopted editions
Checked against the code editions Ohio law adopts — not just the newest ones on the shelf.
Keys checked entry by entry
We re-check both full mock-exam answer keys, line by line.
The Shelf
One book per exam. One exam per book.
More states are on the way — same shelf, same standard, same checking.