Pre-Engineering Exam Study Guide – General Already Passed!!!

What are the major engineering fields? - Civil Mechanical Electrical Chemical Aerospace Structural What major functions do engineers perform? - 1. Research- making new discoveries and finding uses 2. Development- production of a functionable device/ process 3. Design- creating/optimizing/ making easier to produce/ improving performance 4. Production/Testing- mass production + quantity control 5. Construction- Production on a site 6. Operations- managing facilities and networks 7. Sales- consumer creator link, creating a market 8. Management- be in charge of a program, department or company 9. Consulting- solving problems What type of education is required to be an engineer? - 1. Bachelors degree at an accredited school (ABET or CAEB) 2. Exams- Fundamentals of Engineering test-Engineering in Training (EIT) 3. Practice for 4 years- principles and practice exam- licensed engineer What important ethics are related to engineering situations? - Engineers use knowledge and skill for the advancement of human welfare. They need to be honest and impartial, increasing the reputation of the engineering profession. Who do engineers interact with? (Other technical personnel on the job) - Engineers Scientists Technologists Technicians Craftsmen What important milestones have occurred during the progression of the engineering field? - Henry Fords assembly line Wright brothers first flight Thomas Edison's light bulb Robert Goddards' liquid fuel rockets What are the important principles of the problem solving process? - identification of a need, problem definition, researching, constraints, criteria, alternative solutions, analysis What are the steps in the design process? - Identify the need, research and gathering info, develop solution (alternative solutions), choose a solution (analysis), construct a prototype, test and evaluate How to analyze solution/ identifying strengths and weaknesses? - Efficiency Cost Safety Functionality Availability of materials Durability How to develop details of a solution? - Scale model 3D model (dynamic simulation) Orthographic or Isometric drawings CAM or Slicing to Gcode CNC machining + 3D printing How to develop, test, and redesign prototypes? - Test for safety and durability Test for efficiency How to explain components of set up, machining, casting, molding, welding, and finishing? - Turning- lathe Milling- makes square objects Casting- turns liquid into a solid using a mold Welding- arc, spot, MIG, TIG Finishing- grinding, sanding, painting and coating How to identify and use common hand measuring tools - Straight edge- ruler VC (vernier caliper)- measures inside/outside distances How to identify and properly use fasteners? - Machine screws- hex nuts Wood screws- course thread/pointy Sheet metal- pointed heads, sharp fine threads How to estimate and measure the size of objects using SI and US units? - 1 inch = 2.54 cm 1 Liter of water = 1 kilogram ~2.2 lbs 1 gal water = 7-8 lbs How to explain the role and quality control in manufacturing? - -Controls the quality -6 Sigma- stands for manufacturing for standardization -Manufacturing tolerances