Transport
Dimensionless Numbers
Process Control
Polymers
Music factoids
100

This universal process separates the components from a liquid mixture by selective evaporation and condensation.

What is distillation?

100

This dimensionless number is used as the criterion for determining whether pipe flow is laminar or turbulent.

What is the Reynolds Number? 

100

A control scheme that uses measured disturbances to calculate the control action.

What is feed forward control? 

100

This is the repeated unit for a polymer.

What is a monomer? 

100

These are the four groups of musical instruments typically found in a classical orchestra. 

What are strings, woodwinds, brass, and percussion?

200

This analog to Newton’s law of viscosity relates the diffusive flux to the concentration under the assumption of steady state.

What is Fick's Law?

200

This dimensionless number is used to determine the relative thickness of thermal and momentum boundary layers.

What is the Prandtl (Pr) number?

200

For a second order process, the range of values of the damping factor for which the process is stable and under damped (oscillatory).

What is between 0 to 1?

200

This common biopolymer or polynucleotide carries genetic material.

What is DNA? 

200
This American rapper has won 25 Grammy's. 

Who is Jay-Z?

300

This accumulation of unwanted material on solid surfaces of a heat exchanger is detrimental to its function.

What is fouling?

300

This dimensionless number is the ratio of convective to conductive heat transfer.

What is the Nusselt number?

300

This type of diagram (full name) provides a detailed description of the process equipment with all the valves, pumps, piping specifications and sensors located on the diagram.

What is a piping and instrumentation diagram?

300

This process, discovered by Charles Goodyear, converts rubber to a more durable form by heating in the presence of sulfur.

What is vulcanization?

300

This is the oldest documented musical instrument in the world. 

What is the Divje Babe flute, also known as the Neanderthal flute?

400

This dimensionless number, also called the mass transfer Nusselt number, represents the ratio of the convective mass transfer rate to the diffusive mass transport rate.

What is the Sherwood Number?

400

This dimensionless number represents the ratio of fluid velocity to the velocity of sound in that medium.

What is the Mach number? 

400

The maximum positive and negative change in the signal to the final control element that does not produce a measurable change to the flow rate in question.

What is valve deadband?

400

This is the region of a stress strain plot where the elastic (Youngs) modulus of an elastic material can be calculated from. 

What is the linear elastic region? (found at the start of the plot)

400

This songs has had 4.96 Billion streams on Spotify as of August 10th, 2025.

What is "Blinding Lights" by the Weeknd?

500

This dimensionless number is defined as the ratio of the advective transport rate of a physical quantity to the diffusive transport rate of the same quantity.

What is the Péclet number?

500

This dimensionless number is the ratio between inertial and gravitational forces, and is used to determine the resistance of an object moving through a fluid.

What is the Froude number? 

500

This is the build-up of the integral term in a PID controller caused by reaching constraints in the system.

What is reset windup?

500

This polymer is most commonly used in the world. 

What is PE or polyethylene? 

500

This is the tempo range in beats per minute of most "hit songs"

What is 120 to 130 bpm?

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