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engineering leaving cert

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  • 13-06-2008 12:17am
    #1
    haywire
    Closed Accounts Posts: 9 ✭


    hey anyone av any suggestions on wants coming up


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    #2
    luke999
    Closed Accounts Posts: 72 ✭✭luke999


    Just do the past papers, questions repeat themselves all the time. And find the special topic, u need to know that. any wen ya get it give it to me too! ;-)


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    #3
    devinejay
    Registered Users Posts: 639 ✭✭✭devinejay


    Know the last four exams and marking schemes well, you'll do fine.


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    #4
    haywire
    Closed Accounts Posts: 9 ✭haywire


    ye cool luke its photovolatic cells or sumptin its not that bad


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    #5
    SRFC90
    Registered Users Posts: 1,628 ✭✭✭SRFC90


    What topics/chapters are each question based on??

    Q1 - ??
    Q2 - ??
    etc

    Thanks:)


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    #6
    luke999
    Closed Accounts Posts: 72 ✭✭luke999


    im not sure, Q5 is welding and Q6 is plastics, thats all i know. You can buy a book in ur local print shop with all the answers from past papers.

    anyone know where the special topic can be found?


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    #7
    turgon
    Closed Accounts Posts: 3,762 ✭✭✭turgon


    Q1 (a) - General questions. Designed so people wont simply zone in on the individual topics and ignore the rest.
    Q1 (b) - Special Topic: Photo cells. If anyone has the pre question for this could they post it? My teacher never gave us the answer paper back and we hadn't it done then.
    Q2 - Testing inc stress-strain diagram
    Q3 - Heat treatment and Iron-Carbon Equilibrium diagram
    Q4 -Crystal defects, other equilibrium diagrams, and allotropy
    Q5 - Welding
    Q6 - Polymers, formation and process
    Q7 - Machines: Lathe, Milling and Shaping
    Q8 - Mechanisms and other random crap. Not as predictable as ALL the others.


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    #8
    turgon
    Closed Accounts Posts: 3,762 ✭✭✭turgon


    luke999 wrote: »
    anyone know where the special topic can be found?

    www.howstuffworks.com. Great article there.


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    #9
    SRFC90
    Registered Users Posts: 1,628 ✭✭✭SRFC90


    turgon wrote: »
    Q1 (a) - General questions. Designed so people wont simply zone in on the individual topics and ignore the rest.
    Q1 (b) - Special Topic: Photo cells. If anyone has the pre question for this could they post it? My teacher never gave us the answer paper back and we hadn't it done then.
    Q2 - Testing inc stress-strain diagram
    Q3 - Heat treatment and Iron-Carbon Equilibrium diagram
    Q4 -Crystal defects, other equilibrium diagrams, and allotropy
    Q5 - Welding
    Q6 - Polymers, formation and process
    Q7 - Machines: Lathe, Milling and Shaping
    Q8 - Mechanisms and other random crap. Not as predictable as ALL the others.

    Same for both levels mate?


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    #10
    luke999
    Closed Accounts Posts: 72 ✭✭luke999


    Awwww, turgon loves me really. Thx a mill, id give you a manly hand shake if i could. Ok, lets cram.


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    #11
    slickmcvic
    Registered Users Posts: 500 ✭✭✭slickmcvic


    hers a plan for ya loadsa time left to cover it.....page no's refer to smyth and henesseys book!!



    Day 2
    Q2
    Do this Question!!
    Read Pages 151 to P181.
    Summarise and make notes under the following headings.
    Mechanical Testing
    Types of forces: Bending,Compression,Torsion,Tensio
    n, shear
    Material Properties,
    Ductility,Conductivity,mallaebilit
    y, Elasticity,plasticity, Shear Strength, Tensile Strength.

    The Tensile test
    Be able to draw and read a load/Extenion Graph.
    Be able to understand the stress strain graph and its relationship to the Load/Extension Graph.
    Tensile Testing - Draw graph - Stress v Strainl
    ProofStress & Young's Modulus
    The Izod & Charpy Tests
    Be Able to sketch & explain the stages, & Explain the difference between the 2. (Izod test piece held vertical like an "I")

    Non Destructive Testing
    NDT - name test/material (ferrous/non ferrous )/type of flaws (surface, internal )/principle of operation/diagram
    Ultrasonic/Radiographic/Magnetic Dye Penetrant
    Brinnell & Vickers TESTS(test for what?,describe operation)
    Fatigue Failure/Creep
    Be Able to sketch & explain the stages of all the above tests.

    Day 3
    Q5
    Read Welding Pages 357 >388
    Be Able to draw and describe the operation of the following in detail.
    Oxy-Acetylene Welding,
    Function of flashback arrestor Identify 3 types of flame
    Manual Metal Arc Welding
    MAGS/MIG Welding

    Be able to identify and give uses of the following.
    TAG/TIG Welding
    Submerged Arc
    Ressistance spot
    Seam welding

    **Transformer Rectifer****
    **Diagram P367 Very Important**
    Be Able to identify parts
    & describe operation of the Transformer Rectifer

    Other Topics
    robotic control advantages
    safety in welding
    Welding Symbols


    Day 4
    P113>126 & P207 >P216
    Polymers
    Study the structure of polymersTyes of bonding
    VanderWalls Forces

    Polymer Manufacturing
    Injection Moulding
    Extrusion
    Compression Moulding
    Rotational Moulding ( For Tanks,hollobjects etc.)
    Vacume Forming Etc

    Day 4
    Thermo Equilibrium Diagrams & Heat Treatment
    Be Able to label the regions of the TE Diagrms.
    (Both Lines & regions)
    Be Ale to describe & give use for processes of
    Flame Hardening
    Induction hardening
    Carburising
    Age Hardening
    Annealling
    Stres Relieving
    Normalising

    The Iron Carbon Diagram
    KNOW INSIDE OUT!!!
    BE ABLE TO LABEL AND EXPLAIN REGIONS & TERMS
    Eutectic
    Eutecoid
    allotropy

    Day 5
    Q1 Question A


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    #12
    turgon
    Closed Accounts Posts: 3,762 ✭✭✭turgon


    slickmcvic, Ive a better plan ;)

    Go onto my other thread, download the notes I posted there, Hopefully they will help you all.

    http://www.boards.ie/vbulletin/showthread.php?p=56278685#post56278685


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    #13
    powpeach
    Closed Accounts Posts: 16 ✭powpeach


    wat do i need to study to pass the thing?


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    #14
    SRFC90
    Registered Users Posts: 1,628 ✭✭✭SRFC90


    Oh no.........:(


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    #15
    HELLO132
    Registered Users Posts: 82 ✭✭HELLO132


    I'm not even bothering with ordinary Engineering(i hate it so much:mad:), i'm pretty sure i at least passed all my other subjects and i can only see myself scraping a pass if i studied. I might do a bit tommorow morning but no more than an hour :cool:


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    #16
    Brooke01
    Closed Accounts Posts: 277 ✭✭Brooke01


    is engineering hard to do for the LC ???


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    #17
    Milky Joe
    Closed Accounts Posts: 49 ✭Milky Joe


    Brooke01 wrote: »
    is engineering hard to do for the LC ???
    no! for me anyway twas good fun watching the project come together and the practical was actually enjoyable i thought! also the theory is very predictable same stuff comes up every year


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    #18
    SRFC90
    Registered Users Posts: 1,628 ✭✭✭SRFC90


    Brooke01 wrote: »
    is engineering hard to do for the LC ???

    What he's trying to say is it's rotten!


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    #19
    turgon
    Closed Accounts Posts: 3,762 ✭✭✭turgon


    Brooke01 wrote: »
    is engineering hard to do for the LC ???

    No. Just dont be stupid like everyone else, and actually do work on the theory.


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    #20
    powpeach
    Closed Accounts Posts: 16 ✭powpeach


    wat work????? i dont even know what to study!!!:(:(:(:(

    help me, i cant ****in wait to be finished


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    #21
    SRFC90
    Registered Users Posts: 1,628 ✭✭✭SRFC90


    Whats the difference between hardness and toughness?


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    #22
    Dr. Baltar
    Registered Users Posts: 1,252 ✭✭✭Dr. Baltar


    SRFC90 wrote: »
    Whats the difference between hardness and toughness?

    Hardness is the ability of a material to withstand scratching.

    Toughness is the ability of a material to withstand impacts.

    Glass is hard, but not tough. :)


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    #23
    SRFC90
    Registered Users Posts: 1,628 ✭✭✭SRFC90


    Sir Baralot wrote: »
    Hardness is the ability of a material to withstand scratching.

    Toughness is the ability of a material to withstand impacts.

    Glass is hard, but not tough. :)

    Thank you!

    And one more...metal properties

    Brittleness:

    Ductility:

    Malleability:

    :)


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    #24
    turgon
    Closed Accounts Posts: 3,762 ✭✭✭turgon


    Brittleness: A material that is very hard is usually also brittle. It will break if struck. Example hardened iron: is brittle because of the carbon needle martensite structure. Glass is hard and brittle

    Ductility: Ability to be stenched/rolled. Some metals are rolled into sheets of long tubes - these metals need to be ductile

    Malleability: Easy to work, example lead. Red hot iron is also very malleable because of its structure.


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    #25
    turgon
    Closed Accounts Posts: 3,762 ✭✭✭turgon


    PS martensite has Base Centre Tetragonal Structure!

    Just remembered there, I posted engineering notes here, including a comprehensive section on metals (as Q3) i think.

    Linky: http://www.boards.ie/vbulletin/showthread.php?p=56278685#post56278685


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    #26
    Dr. Baltar
    Registered Users Posts: 1,252 ✭✭✭Dr. Baltar


    Brooke01 wrote: »
    is engineering hard to do for the LC ???

    Engineering is not harder/easier than most other Leaving Cert subjects.
    However, there is one very big problem with it.
    In the entiire country, only one book has been printed on the subject, and this book does not cover everything on the course.

    For this reason, Engineering is difficult because most of it is your own research and work. When you take into account the fact that you also have to do a practical and a project (that takes up a lot of time for the Leaving Cert) it is really not a recommended subject (unless you really, really want to do Engineering at third level).

    Personally, I hate the damn subject and cant wait for it to be over.


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    #27
    turgon
    Closed Accounts Posts: 3,762 ✭✭✭turgon


    Sir Barolot is on the ball. When I made out notes to study I based them on the exam papers, and I had to consult the marking schemes the WHOLE time to find loads of answers not in the book. Like theres this type of welding (electro slag welding) that is really commonly asked, but not in the book.

    But if you like Engineering and making stuff, then it can be very rewarding, especcially the project.


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    #28
    Dr. Baltar
    Registered Users Posts: 1,252 ✭✭✭Dr. Baltar


    How'd it go for you guys?
    I thought that it was grand enough.
    Even the Short Questions were decent enough.
    Also, loved the Special Topic Question.

    Besides that, I thought it was difficult enough, but I reckon I'm looking at a C3.


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    #29
    SRFC90
    Registered Users Posts: 1,628 ✭✭✭SRFC90


    Sir Baralot wrote: »
    How'd it go for you guys?
    I thought that it was grand enough.
    Even the Short Questions were decent enough.
    Also, loved the Special Topic Question.

    Besides that, I thought it was difficult enough, but I reckon I'm looking at a C3.

    Is the special topic for ordinary level students?? Because i looked at it a small bit but can't remember if it was actually there or not?


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    #30
    AndyWhite
    Registered Users Posts: 156 ✭✭AndyWhite


    Did anyone by any chance download that page from the 2fm website that explained all of the questions??

    I had the link saved but they updated the website and now its gone! It was done for the 08 special topic but it would still be hand for this year with all the other questions! If anyone has it, please pm me!


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    #31
    -ilikeshorts
    Registered Users Posts: 83 ✭✭-ilikeshorts


    haywire wrote: »
    ye cool luke its photovolatic cells or sumptin its not that bad

    NO ITS NOT!!!!!!!!!!!!!!!!!!!!!!
    The special topic is on hybrid cars and stuff..

    Oh this thread is a year old phew


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