The process of supplying a diesel engine cylinder with air at a pressure greater than atmospheric is called __________.
- A engine displacement
- B super-aspirating
- C air injection
- D supercharging
Engineer license prep
USCG Engineer License Exam Questions
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That is how many USCG engineering exam questions we have collected over the years, and we keep the question bank updated as the Coast Guard releases new engineering exam questions.
That should be great news for you. You may have heard from friends how hard the U.S. Coast Guard engineering exam can be. The questions often cover obscure facts or are designed to trick you. The only reliable way to prepare is to work through as many of these Coast Guard engineering exam questions as you can.
USCGQ.com makes it easy to study these questions in several ways:
- Search for a specific question and find its answer, useful when you have taken a test at your maritime training school and want to check your answers.
- Browse all the questions in a module and answer each multiple-choice question. You instantly see whether you were right, and the correct answer is shown when you were wrong, so you test your knowledge and learn the correct answer at the same time.
- Once you are confident, generate a real USCG engineering license exam simulation. In test mode, your results are revealed only at the end of the test.
- Print a generated test if you prefer to study offline or take a paper-based test.
Question modules
The questions cover the following modules:
General Engineering Subjects Questions
Watchkeeping, pumps and piping, hydraulics, and general plant knowledge.
1,128 questions · Start an instant quiz →
Electricity, Electronics, and Control Engineering Questions
Motors and generators, switchboards, batteries, and automation.
1,386 questions · Start an instant quiz →
Steam Plants Questions
Boilers, turbines, feed systems, and steam plant operations.
811 questions · Start an instant quiz →
Motor Plants and Auxiliary Boilers Questions
Diesel engines, fuel systems, lubrication, and auxiliary boilers.
947 questions · Start an instant quiz →
Engineering Safety and Environmental Protection Questions
Firefighting, confined spaces, pollution regulations, and safe work practices.
968 questions · Start an instant quiz →
Refrigeration and Air Conditioning Questions
Refrigeration cycles, compressors, refrigerants, and HVAC systems.
610 questions · Start an instant quiz →
Gas Turbine Plants Questions
Gas turbine theory, operation, and support systems.
277 questions · Start an instant quiz →
Which engineering credentials use these questions?
The engineering pools cover the written exams for QMED ratings, Designated Duty Engineer (DDE), and Third, Second, First Assistant, and Chief Engineer licenses, for steam, motor, and gas turbine plants. Your specific exam pulls from the modules that match your plant type and license level, so a motor-plant DDE candidate lives in General Subjects, Motor Plants, Electricity, and Safety, while a steam endorsement adds the Steam Plants module.
Most engineering modules require a passing score of 70 percent. The question style rewards hands-on familiarity, but plenty of questions test book knowledge, exact valve line-ups, regulation numbers, and specifications that only repetition with the real pool will cement.
Sample engineer exam questions
These are real questions from the U.S. Coast Guard question pool, exactly as they appear in the bank. Click through to any question to answer it and see whether you got it right.
Which of the listed types of superchargers will NOT have a volumetric capacity proportional to engine speed?
- A Exhaust gas turbocharger
- B Roots blower
- C Piston type blower
- D Vane type blower
The relative air pressure in the inlet manifold of a turbocharged diesel engine is usually __________.
- A greater than the average exhaust manifold pressure
- B less than the average exhaust manifold pressure
- C greater at the turbine wheel than at the impeller
- D greater at reduced engine speed
Engineer license exam FAQ
Q What is on the USCG engineer license exam?
Depending on your license and plant type, modules cover general engineering subjects, electricity and control engineering, motor plants, steam plants, gas turbines, refrigeration and air conditioning, and engineering safety and environmental protection.
Q What score do I need to pass the engineering exam?
Most engineering modules require 70 percent. Check your exam guide for the exact module list and question counts for your specific credential.
Q How should I study for the QMED or DDE exam?
Work the modules that match your plant type until misses are rare, keep a list of the questions you get wrong, and finish with timed exam simulations. A free account tracks your missed questions automatically.
We know it is hard work.
We have helped over 15,000 students study for their exams, and we look forward to helping you too.