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For the U.S. Coast Guard DDE exam. Diesel, fuel, cooling, electrical, engineering math and 15 common engine problems. Each topic on its own page: the drawing first, then what to remember. PDF by email, ready to print. 66 illustrated pages.
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Every page has one big drawing and a box with the numbers and steps you need to know:
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These are real pages from the book. The table of contents is the full one: 8 parts and 62 topics.
You're on a practice question about the 4-stroke cycle: how many degrees of crankshaft rotation per power cycle? You've kept four-stroke mains running for years, and the answer just won't come.
The question bank gives you the answer and a few dense lines: intake, compression, power, exhaust, valve events, crank angles. All words, and not one picture of the piston moving.
In the book, the 4-stroke cycle is one page: four cylinders drawn side by side, one per stroke, valves open or shut, the crank turning. Underneath, in a box: 4 strokes, 2 revolutions, 720°.
Same with the fuel system tank to injector, the closed cooling loop, the reduction gear, Ohm's law and paralleling generators: each one has its own page.
You look at the drawing, you see why it's 720°, and you answer without going back to the manual.
The license and the exam, engineering math, the diesel engine, engine room systems, marine electricity, safety and pollution prevention, troubleshooting and the final review: 66 pages, all illustrated.
Think of it this way:
You're on watch and one cylinder's exhaust temperature keeps climbing while the others hold steady. You need to know where to look first.
You open the page and it's drawn: the cylinder, the injector, the valves and the turbo, with symptom → cause → fix laid out in order.
Same with low oil pressure, high jacket water temperature, black, white and blue smoke, water in the lube oil and a generator with no voltage: each one on its own page.
Designated Duty Engineer Illustrated is 8 parts and 66 illustrated pages, closing with the most frequent math and electrical mistakes, the whole engine room on one page and an exam-day checklist.
What you see drawn, you don't have to memorize.
What a DDE endorsement lets you do, the exam modules at the REC, how to read a multiple-choice question and the 4-step math method.
Conversions, tank volume and soundings, fuel consumption and endurance, horsepower and kilowatts, pressure and head, pump capacity, temperatures and specific gravity, each solved in the same 4 steps.
The 4-stroke and 2-stroke cycles, main engine parts, compression and ignition, valve timing, firing order, turbo and aftercooler, governor and starting systems.
Fuel tank to injector, filters and water in fuel, lube oil, closed cooling and keel coolers, raw water and zincs, reduction gear, shafting, pumps, bilge, compressed air and hydraulic steering.
Ohm's law, series and parallel, AC and three-phase, generators and paralleling, breakers, ground faults, batteries, motors and controllers.
Fire triangle and classes, fixed CO2, enclosed space entry, lockout/tagout, oil discharges, the oily water separator and Oil Record Book, MSDs, garbage, emissions and rest hours.
15 common engine problems, from won't crank to a generator with no voltage, always symptom → cause → fix.
The most frequent math and electrical mistakes, the whole engine room on one page and the checklist for exam day.
At the end of the book: Engineering math worked in 4 steps, 15 common engine problems from symptom to fix, and the whole engine room on one page.
Practice questions in the style of the DDE exam modules, each with the answer explained and the page of the book where the topic is drawn.
The most frequent mistakes in engineering math, electrical and systems questions, one card each, to review the night before.
📄 This is a digital PDF book sent to your email: nothing is printed or shipped.
PDF by email: We email you Designated Duty Engineer Illustrated as a PDF, together with the two free books. It's a single payment: no installments, no extra charges.
Every system you already work on, drawn one topic per page, so the theory finally matches what you see in the engine room.
The math in the same 4 steps every time and the final review pages, so you go over everything the week before without digging through a question bank.
A printed reference for the watch: fuel, cooling, electrical and the 15 troubleshooting pages, ready to explain the why to anyone who asks.
📄 This is a digital PDF book sent to your email: nothing is printed or shipped.
Try Designated Duty Engineer Illustrated for 30 days, bonus books included.
We refund everything if the file won't open, if the book isn't what you see here, if you were charged twice or if the email doesn't arrive. Just email us.
You pay once. No subscriptions.
Yes. It's built for the U.S. Coast Guard DDE exam at the REC, not a generic course. It doesn't teach you how to work on an engine: it draws the theory behind what you already do. Question banks give you the questions; this shows you the system behind them, and the math goes in the same 4 steps every time.
From 46 CFR Part 11, 33 CFR Parts 151, 155 and 159, MARPOL Annex I and the National Maritime Center exam guidance. Every rule number is marked so you can check it against the current edition.
No. It's an independent illustrated study book. It isn't issued or endorsed by the U.S. Coast Guard or the NMC, and it doesn't give you a certificate or count as an approved course.
No. It's study material to understand and review the topics. It doesn't replace approved training, sea time or your vessel's manuals.
No. They're exam-style questions written for this book, each with the answer explained and the page where the topic is drawn.
The book and the 2 bonus books come as PDFs by email, to the address you enter at checkout.
No. It's a one-time payment. No subscription.
Yes. The PDF is made to print, so you can keep a copy on board or at home.
You have 30 days. We refund everything if the file won't open, if the book isn't what you see on this page, if you were charged twice or if the email doesn't arrive: just email us.
No more rereading pages that don't stick.
The fuel system, tank to injector: you see it drawn and you've got it.
You walk into the REC knowing where everything is.
Drawings make studying faster.
The book is right below.
One-time payment: US$ 27 · Guarantee: 30 days · PDF by email
YES, I WANT DESIGNATED DUTY ENGINEER ILLUSTRATED FOR US$ 27📄 This is a digital PDF book sent to your email: nothing is printed or shipped.
