How to get your Marine Engineer’s MEC3 Certificate of Competency
How to pass your Marine Engineer Exam without algebra
By Captain Scott Fratcher MEC3 / Yachtmaster Ocean
"If your working toward a marine engineer's license or certificate of competency this is the book for you!"
"The best, most current information on passing your marine engineer exams"
A book specifically written to help you pass your marine engineers exam, and get your first job.
Good up to MEC3 or Y3.
* How to pass your exam without using algebra
* Effective study techniques
* Learning to competently use the scientific calculator
* 1000 practice exam questions (largest list anywhere)
* MEC3 marine engineer test questions
* Y4 marine engineer test questions
* Difference between a mec3 and a Y4 or Y3
* Alternative methods to solve difficult exam question
* Preparing for oral exams
* Amassing needed sea time
* Tackling phobias to pass the STCW training
* Avoiding exam formula traps
* Getting your first job and making the big bucks
And much, much more! http://www.lulu.com/content/paperbac...etency/4016296
Read how to get a job as a marine engineer here
In 2008 Scott Fratcher sat for his MEC3 marine engineer exams. He quickly realized that even with 20 years in the field experience and doing his engineering part in setting the "Round the world speedboat" record the algebra portion of the exam was a killer!
What was needed was an alternative method of answering the exam questions that did not revolve around algebra, but still answered the exam questions.
Scott found almost every question could be answered through
* basic principles
* and a few specialty methods developed just for the tests.
Using these techniques Scott Fratcher finished his two hour exam in under 45 minutes being the first candidate to leave the marine exam room. Using these techniques Scott Fratcher scored 95% on his exam when he only needed 60% for a passing score.
Scott put the systems used to pass the marine engineer exam together into a new book that has helped engineers just like you to pass their exams first time!
Scott Fratcher also covers how to get your first job and getting through the STCW courses. http://www.lulu.com/content/paperbac...etency/4016296
25 of 1000 sample test questions
The questions listed here are of a general nature. They come from classes, study groups, Internet searches and just about any other place where a student can scrape together engineers test questions.
It should be noted that each test is different and each test is written by a different examiner. The test is written from the syllabus and this means anything could be asked in a test.
Still you should have a pretty good idea how to solve each of these problems as they are straight out of the syllabus.
Remember to look at each question and in your practice answer-
* make sure you answered the question and
* found the trap.
Of course not every question has a trap, but most have at least one.
Remember these questions can be worked out as a group. Once you have worked out a problem change the numbers and values just a bit and work the problem again. Compare each others answers till you have a clear method of arriving at the same answers.
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Now the questions
1. What is meant by the term Relative Density?
2. A tank measuring 4x5x8 meters high contains oil at a RD of .988 up to the half way sounding. This oil is transferred to a completely full cylindrical tank of height h meters and a diameter .5m. What force and pressure act on the circular base of the cylindrical tank?
3. A ten meter long beam is simply supported at each end. At 4 meters from the left hand end is a load of 25Kn and three meters from the other end. Draw the space diagram and the shear force and the bending moment diagrams, showing the necessary calculations.
4. The tractive resistance of a vehicle (force to overcome the friction, tyre rolling resistance, etc) is 145 N/tonne. The vehicle is a 1.75 ton mass. What acceleration will be achieved by a force of 3Kn driving effort?
5. A piece of metal of mass 4.2 kg at 135 degrees C is quenched in an oil bath of 22 liters at 32 degrees C. Oil density is 853 kg/cub.m. Specific heat for the oil is 3.77 Kj/kg K, and for the metal is 448 J/kg K. What is the final temperature of the oil and the metal?
6. A metal disk has a diameter of 3.4 m at zero degrees Celsius. Find the area of the disc at 62 C. Linear coefficient of expansion is .0000118 per degree C.
7. An oxygen bottle with the volume of 5.5 cubic meters contains oxygen at 132 bar absolute, and the temperature 25 degrees C. What is the volume of gas at STP? And the mass of gas knowing that R+8311.3J/kg K ?
8. What is meant by Center of Buoyancy?
9. A rectangular tank measuring 3m x 5m x 9m high is filled with oil of RD.903 to a heighth of .5 m up in the air vent. The floor plate is supported on four longitudinal griders. Calculate the load on the bottom plate and what is the load in kn on each girder?
10. An overhead gantry crane in the engine room has a total mass of 530 kg, supported on four wheels of 250mm diameter. If the coefficient of friction between the wheels and tracks is .36. Calculate the following. The frictional loss at each wheel. The total power to overcome this loss, if the crane travels at 14 meters/minute.
11. If a ships crane just lifts a container off the warf, what would happen to the center of gravity of the ship? Under what conditions would the Transverse Metacentre (M) of a ship go below the Centre of Gravity?
12. A ship of 9000DWT takes in 200 tons of fuel oil (RD .953) shared between two wing takes 12.8 meters above the keel. Calculate the vertical change in the ships center of gravity above the keel.
13. Devine angular acceleration.
14. An engine driven alternator starts up from rest at 745 rpm in a period of 2.5 minutes. Calculate the angular acceleration of the alternator, and the total number of revolutions before it is up to rated speed.
15. Define velocity ratio.
16. A crane lifts a load of 25 tones up a height of 14 meters in four minutes ignoring all losses, calculate power required to lift the load. For an effort of 20.53 kn, what is the mechanical advantage? If the system efficiency is 73%, what distance does the effort have to travel?
17. Give an example each of a shipboard use of an adiabatic process and an isothermal process.
18. Use a sketch to show the sinoidial effect built in a generator. Show all voltages, and currents.
19. For a bi-metallic temperature sensor, describe the operation with the aid of a simple sketch.
20. For a metallic sphere with a radius of 14cm, what quantity of heat is required to raise the temperature from 13c to 80c? Consider the metal density as 18.02 gm/cm3 and specific heat as long as 105.5 J/Kg K.
21. A metal piece of mass 3.7 Kg at 1150 C is quenched into an oil bath of 12 liters at 24C. The oil density is 889 Kg/m3. Find the final temperature in C of both the oil and the metal piece, assuming the there are no heat lossto the surroundings during the above process. Take specific heat for oil as 3.77 KH/Kg K and the specific heat for metal as 442J/Kg K.
22. A boiler burns fuel oil that is composed of 86.7% Carbon, 8,9% Hydrogen, 3.5% Sulphur and the balance moisture. The Oxygen content in air is 21%. Calculate the stoichiometric quantity of air necessary to burn 1 Kg of fuel. And the total quantity of air/hour delivered to burn 125 Kg/hr of fuel, if we know that the boiler is working with an excess air coefficient of 1.75.
23. What is meant by ‘superheat’?
24. State one disadvantage and one advantage of having a small amount of superheat for a refrigerant vapors entering the compressor suction.
25. Calculate the delivery pressure of an air conditioning system compressor if we know that the polytropic compression process has an index of 1.21 and the following characteristics: Suction pressure 1.44bar, Suction Volume 113 cm3 and delivery volume 23 cm3.
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Y4 vs. MEC3 question
I found your info online and was hoping that with all your expertise
you could help me, I am also downloading your book
I was wondering if you could help me with the following.
I am a New Zealander currently employed as Chief Engineer on a big yacht. I am going through the process of gaining my MCA Y4 chief engineers ticket. From what I have gathered from others my Y4 ticket will not be recognized outside Europe.
I was talking to another Chief Engineer last week and he was going
through the same issues and also looking into the possibility of doing
the NZ Engineering MEC3 ticket which he thought was not only
accepted but cross referenced to a relvent class with the MCA
What would your recommendations be considering that I will be coming
back to NZ to settle and would rather take the courses that make the
most sense for my future, although they need to be relevant to what i
am doing over here at the same time ,
A ny ideas or help would be greatly appreciated.
I look forward to your response
Toby-This is a no brainier - Go to Auckland and take the MEC3 course.
First being Kiwi you get reduced rates at class and can qualify for student assistance.
Second and much more important, the MEC3 allows all the Y4 options plus
* fish boats,
* all types of ships (cargo, processing, tankers, coastal freighters, etc)
* research vessels,
and a heap of other options that a Y4 simply does not include.
Consider, your into yachts right now, and that's good. Me too, I'm captain of charter cat in the Pacific, but what if you get tired of yachts, or the yacht market crashes? With an MEC3 you still have a heap of options in the Marine world, while the Y4 guys will have to sell their limited services to whatever yachts are still hiring.
Third- If you keep climbing the ladder of engineer certificates you'll max out at Y1 in the yacht world, but an MEC1 has another level above MEC1. I think it's called "ships supervisor", so if you find you enjoy the classes you can continue to study for a long time.
Forth- Once you leave Europe the term Y4 engineer gets a lot of blank stares. "A what?" I often hear. Same with an MEC3 in the yacht world, but an MEC3 is an official STCW qualification. In other words it's the lowest world wide accepted engineer's license (certificate). If an employer does not recognize MEC3 simply use the STCW term of, ... don't quote me but I think it's iii/3. That is a world wide accepted STCW qualification.
Last piece of advice - While your back getting your MEC3 take your Yachtmaster Ocean course also. It allows you to be mate on the same boats you engineer on and opens other options for you. The cat I'm on now needed an engineer more than a captain as it's a highly technical vessel, but if I did not have my Yachtmaster Ocean the insurance company would have balked.
Working in Alaska we always took the engineers that had a deck license first. Just in case we lost a deck officer we could switch crew and keep the boat going till we could find a new mate.
Tip-On your next ocean passage have the mate pull out his sextant and take a set of running sun sights and a sunrise compass course. Keep careful notes and save the calculations. Make sure you get the ships stamp on the pages. This will qualify for the "Ocean Sights" part of your Ocean ticket meaning you'll only have to take the five day course and your Yachtmaster Offshore will be quickly upgraded to Ocean.
Hope this helped.
Thanks for asking and downloading the engineer exam book.
Scott Fratcher bio
Scott Fratcher has 20 years marine engineer experience, a Certificate of competency marine engineer third class and holds a RYA Yachtmaster Ocean Commercial. Scott Fratcher served as Chief Engineer for the 2007 Earthrace round the world speedboat record attempt and consulted for the 2008 record breaking performance.
Note-In the download version you can better read the sketches and formula sheets
Don't miss the free report "How to get a job as a marine engineer" http://www.lulu.com/content/paperbac...etency/4016296