Mechanical Engineering
The ratio of lateral strain to axial strain.
What is Poisson's Ratio?
The law represented by V=IR, which relates voltage, current, and resistance.
What is Ohm’s Law?
The permanent weight of a structure, including its fixtures.
What is a dead load?
The type of bonding characterized by a sea of delocalized electrons.
What is metallic bonding?
The derivative of x^2
What is 2x?
The principle stating that an increase in a fluid's velocity results in a decrease in pressure.
What is Bernoulli’s Principle?
The unit of capacitance in the International System of Units.
What is the Farad
A structure designed to resist lateral pressure from soil or water.
What is a retaining wall?
The point at which a material begins to deform plastically.
What is yield strength?
The integral of 3x^2 dx.
What is x^3+C?
The equation A1V1=A2V2, used to describe fluid flow through a pipe
What is the Continuity Equation?
The component that stores electrical energy in an electric field.
What is a capacitor?
The formula I=(1/12)bh^3, used to calculate the moment of inertia of a rectangular section.
What is the Moment of Inertia Equation?
Materials that fracture with little or no plastic deformation.
What are brittle materials?
The second derivative of x^4.
What is 12x^2?
The equation PV=nRT describing the relationship between pressure, volume, and temperature of a gas.
What is the Ideal Gas Law?
The component that allows current to flow in one direction while blocking it in the other.
What is a diode?
The phenomenon where saturated soils lose strength during an earthquake.
What is soil liquefaction?
The crystal structure commonly found in steel, depending on temperature.
What is Body-Centered Cubic (BCC) or Face-Centered Cubic (FCC)?
The value of ∫122x dx.
What is 3?
The equation τ=μ(du/dy) which relates fluid viscosity to shear stress
What is the Viscosity Equation?
The phenomenon in which a changing magnetic field induces an electric current in a conductor.
What is electromagnetic induction?
he typical compressive strength range of standard concrete after 28 days.
What is 20 MPa to 40 MPa?
The maximum stress a material can withstand under cyclic loading without failure.
What is the fatigue limit?
The partial derivative of f(x,y)=x^2y+3y^2 with respect to y.
What is x^2+6y?