Engineers Are Not Mechanics. It may be hard to believe, but most mechanical engineers designing your cars have no clue how to fix them. That’s because engineering and automotive repair are two very separate entities. Here’s the difference. I can’t tell you how many times I’ve told someone I’m a mechanical engineer, only for them to respond by describing the strange noise their car is making, in hopes that I can help them fix it. People assume engineers can wrench because engineering is a field devoted to understanding how things work. But as Engineering Explains’ Jason Fenske points out in the video below, knowing the theory behind how something works and grasping how to fix it are not the same.

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Nope, not even close. The Difference Between A Mechanical Engineer And A Mechanic. Mechanical engineering is a rather broad discipline whose ultimate goal is to efficiently design and optimize mechanical systems.

It’s a field that starts with a vision for a product, often requires complex mathematical analysis, and results in what is hopefully a robust, lean, well- performing part, machine or process. Becoming a mechanical engineer in the U. S. To prove this point, here’s a list of all the engineering classes I took in college, along with course descriptions courtesy of Lou’s List: Introduction To Engineering: “ENGR 1. They are introduced to the philosophy and practice of engineering through hands- on experience in developing solutions for various open- ended, realistic challenges while considering the various contexts in which these challenges occur.”Single Variable Calculus I: “The concepts of differential and integral calculus are developed and applied to the elementary functions of a single variable.

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Limits, rates of change, derivatives, and integrals. Applications are made to problems in analytic geometry and elementary physics.

For students with no exposure to high school calculus.”Intro To Chemistry for Engineers: “Introduces the principles and applications of chemistry. Adobe Reader Windows 8 Bookmarks on this page. Topics include stoichiometry, chemical equations and reactions, chemical bonding, states of matter, thermochemistry, chemical kinetics, equilibrium, acids and bases, electrochemistry, nuclear chemistry, and descriptive chemistry of the elements.”Intro Chemistry Lab: “Introduction to experimental chemistry, developing laboratory skills & safety. Students plan & implement chemistry experiments in cooperative 4- person teams using a guided inquiry approach. Process skills include developing procedures, data analysis, oral & written communication. Mathematica as a computational tool.”Single Variable Calculus II: “Includes the concepts of differential and integral calculus and applications to problems in geometry and elementary physics, including inverse functions, indeterminate forms, techniques of integration, parametric equations, polar coordinates, infinite series, including Taylor and Maclaurin series.”Introduction To Programming: “A first course in programming, software development, and computer science.

Introduces computing fundamentals and an appreciation for computational thinking.”Intro To Science and Engineering Of Materials: “Provides the scientific foundation for understanding the relations between the properties, microstructure, and behavior during use of metals, polymers, and ceramics. Develops a vocabulary for the description of the empirical facts and theoretical ideas about the various levels of structure from atoms, through defects in crystals, to larger scale morphology of practical engineering materials.”General Physics I: “First semester of introductory physics for engineers and scientists. Classical mechanics, including vector algebra, particle kinematics and dynamics, energy and momentum, conservation laws, rotational dynamics, oscillatory motion, gravitation, thermodynamics, and kinetic theory of gases.”General Physics Workshop: “A required two- hour workshop accompanying . The multivariate calculus, including partial differentiation, multiple integrals, line and surface integrals, and the vector calculus, including Green’s theorem, the divergence theorem, and Stokes’s theorem.”Applied Probability and Statistics: “Examines variability and its impact on decision- making. Introduces students to basic concepts of probability, such as random variables, probability distribution functions, and the central limit theorem.

Based on this foundation, the course then emphasizes applied statistics covering topics such as descriptive statistics, statistical inference, confidence intervals, hypothesis testing, correlation, regression modeling, statistical quality control.”Intro to Mechanical Engineering: “Overview of the mechanical engineer’s role as analyst and designer. Introduction to manufacturing tools, equipment, and processes; properties of materials relative to manufacture and design; communication through engineering graphics; engineering drawing interpretation, sectioning, auxiliary views; and analysis and design of mechanical devices. Workshop includes CAD and solid modeling.”Statics: “Basic concepts of mechanics, systems of forces and couples: equilibrium of particles and rigid bodies; analysis of structures: trusses, frames, machines; internal forces, shear and bending moment diagrams; distributed forces; friction, centroids and moments of inertia; introduction to stress and strain; computer applications.”General Physics II: Electricity & Magnetism, Optics: “Second semester of introductory physics for engineers and scientists.

Electrostatics, including conductors and insulators; DC circuits; magnetic forces and fields; magnetic effects of moving charges and currents; electromagnetic induction; Maxwell’s equations; electromagnetic oscillations and waves. Introduces geometrical and physical optics.”General Physics II Workshop: “A required two- hour workshop accompanying . Applications.”Thermodynamics: “Includes the formulation of the first and second laws of thermodynamics; energy conservation; concepts of equilibrium, temperature, energy, and entropy; equations of state; processes involving energy transfer as work and heat; reversibility and irreversibility; closed and open systems; and cyclic processes.”Strength of Materials: “Normal stress and strain, thermal strain, shear stress, shear strain; stress and strain transformations; Mohr’s circle for plane stress and strain; stresses due to combined loading; axially loaded members; torsion of circular and thin- walled closed sections; statically indeterminate systems; deformation, strains and stresses in beams; beam deflections; column stability.”Dynamics: “Kinematic and kinetic aspects of motion modeling applied to rigid bodies and mechanisms.. Use of work- energy and impulse- momentum motion prediction methods. Use of Cartesian and simple non- Cartesian coordinate systems. Rotational motion, angular momentum, and rotational kinetic- energy modeling; body mass rotational moment of inertia. Relative- velocity and acceleration.”Intro to Aerospace Engineering: “Historical introduction, standard atmosphere, basic aerodynamics, airfoils and wings, flight mechanics, stability and control, propulsion (airbreathing, rocket and space), orbital mechanics.”Fluid Mechanics: “Introduction to fluid flow concepts and equations; integral and differential forms of mass, momentum, and energy conservation with emphasis on one- dimensional flow; fluid statics; Bernoulli’s equation; viscous effects; Courette flow, Poiseuille flow, and pipe flow; boundary layers; one- dimensional compressible flow; normal shock waves; flow with friction or heat addition; isothermal flow; and applications.”Aerospace Structures: “Analyzes the design of elements under combined stresses; bending and torsional stresses in thin- walled beams; energy and other methods applied to statically determinate and indeterminate aerospace structural elements; buckling of simple structural members; and matrix and finite element analysis.”Mechanical Systems Modeling: “Presents general concepts of dynamical systems modeling and provides mathematical tools to develop and analyze models that describe input/output behaviors of physical systems.

Topics include basic elements of mechanical systems, transfer functions, frequency response, stability and poles, resonance and natural frequency, transient and time constant, steady state and DC gain, block diagrams.”Experimental Methods Lab: “The study of basic concepts and methods in engineering measurements and data analysis. Basic topics include mechanical and electrical sensors and measurement instruments, measurement uncertainty, statistic and data analysis. Additional topics include digital signal processing and data acquisition systems using Labview. Applications are to mechanical and aero/thermofluids devices.”Heat and Mass Transfer: “Analysis of steady state and transient heat conduction in solids with elementary analytical and numerical solution techniques; fundamentals of radiation heat transfer, including exchange among black and diffuse gray surfaces; free and forced convective heat transfer with applications of boundary layer theory and an introduction to mass transfer by diffusion using the heat- mass transfer analogy.”Machine Elements and Fatigue Design: “Applies mechanical analysis to the basic design of machine elements; basic concepts in statistics and reliability analysis, advanced strength of materials, and fatigue analysis; and the practical design and applications of materials to fastening systems, weldments, power screws, springs, journal and anti- friction bearings, gears, brake clutches and flexible power transmission elements.”Mechanical Engineering Lab: “Application of experimental methods to the design of experiments. Hypothesis testing and uncertainty assessment.