Engineering Fundamentals
Engineering History
Products, Parts, and processes
Engineering Acronyms
Potpourri
100

In mechanics, this term describes resistance to sliding between two surfaces

What is Friction?

100

This structure notorious for its 3.97 degree tilt is the freestanding bell tower of a cathedral in its namesake Italian town

What is the leaning tower of Pisa?

100

Software development method named after the opening of a rugby game.

What is SCRUM?

100

This software tool is commonly used to create 3D models and engineering drawings.

What is CAD?

100

This is the SI base unit for length

What is meter?

200

Binary numbers are made up of only these two digits.

What are 0 and 1

200

This space shuttle disaster in 1986 was caused by O‑ring failure in cold temperatures.

What is the Challenger disaster?


200

This manufacturing process permanently joins materials by melting and fusing them together.

What is welding?

200

This acronym refers to the detailed list of components used to build a product.

What is a BOM?

200

This man-made structure is large enough that it is visible from space.

What is the Great Wall of China

300

In electrical systems, this term describes opposition to alternating current due to both resistance and reactance.

What is Impedence?

300

The first Danfoss product was this mechanical component, which helped regulate temperature.

What is a valve?

300

At Danfoss, this milestone confirms the design is mature enough to establish the supply chain and launch plans

What is M3?

300

This tool is commonly used to simulate mechanical stresses and deformation.

What is FEA (Finite Element Analysis)

300

This simple machine is an inclined plane rotated about an axis, and transforms rotational motion into linear motion.

What is a screw?

400

This statistical term measures how spread out a set of values is around the mean.

What is standard deviation?

400

Volvo engineer Nils Bohlin invented the revolutionary V-type three-point version of this safety object in 1959

What is the seatbelt?

400

This manufacturing process forms parts by forcing material into a shaped cavity under high pressure.

What is injection molding?

400

This process identifies potential manufacturing failures before production starts.

What is a PFMEA?

400

The first-ever Indy 500 was held in 1911, and won by this racer who was also well-known for his automobile engineering work

Who is Ray Harroun?

500

This law states that the algebraic sum of currents at a node in an electrical circuit is zero.

What is Kirchhoff’s Current Law?

500

This elevator system has been operating continuously at Danfoss headquarters since 1962.

What is a paternoster elevator? 

500

This is a standardized quality assurance procedure used to ensure that suppliers can consistently produce parts meeting all engineering and quality specifications before mass production begins. 

What is PPAP?

500

This acronym describes the probability‑based measure of a process’s ability to meet specifications.

What is Cpk?

500

Known as the Galloping Gertie, the failure of this bridge would inspire many engineers to look into the aerodynamics of structures

What is the Tacoma Narrows Bridge?

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