The Coffee Break Hard Trivia Quiz – A challenging selection of General Engineering Trivia questions and answers -
sometimes you just don’t know what you don’t know, but you’re sure that you did know or that you should know and when you see the answers you know that once upon a time you probably did know !

Challenge your colleagues – can they answer more than you ?


Belleville Washers are also called…

A machined surface finish may be specified as an Ra number - Ra stands for Roughness average - True or False

An oxide is a chemical compound that contains at least one oxygen atom and one other element - True or False

Considering Computer Terminology - Created in Bell Labs in the 1960's, UNIX stands for Unified Network Including External (hard drive) - True or False

the letters have no (known) meaning

Hysteresis is the dependence of a system not only on its current environment but also on its past environment - True or False

Alnico is an acronym referring to a family of iron alloys which in addition to iron are composed primarily of aluminium  (Al), nickel  (Ni) and cobalt  (Co), hence al-ni-co - True or False

A Spectrometer is a scientific instrument used to measure the wavelength of alternating electrical current - True or False

It is used to split light into an array of separate colors, called a spectrum

Piezoelectricity is the electrical charge that accumulates in solid materials due to the effect of applied sound waves - True or False

It is due to applied mechanical stress

In digital imaging - a pixel is generally defined as the smallest single component of a digital image - True or False

1/64" equals what decimal of an inch (without a calculator please)...