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 ?


The Vernier scale was invented in its modern form by Greek mathematician Pythagorus - True or False

It was invented in 1631 by the French mathematician Pierre Vernier

An Incandescent light bulb (or globe)  is an electric light produced by a filament wire heated to a high temperature by an electric current passing through it, until it glows - True or False

An instrument for measuring the Pressure and Velocity of wind is called an Anemograph – True or False

Steel became known as Pig Iron because the medieval steel workers had a diet high in pork - True or False

The ingot molds formed a branch structure which resembled piglets suckling on a sow (mother pig)

The Abacus is a measuring instrument used in parts of Asia for measuring the weight of foods such as rice - True or False

It is a calculating tool used primarily for performing simple arithmetic processes

A Semiconductor device used to amplify and switch electronic signals and electrical power is called a Transistor - True or False

5/16" (inch) equals 0.4375" (inch) as a decimal - True or False

It is 0.3125"

Sulphur (S) is also known as Brimstone – True or False

In machinery - Flywheels have a significant moment of inertia  and thus resist changes in rotational speed - True or False

A machined surface finish may be specified as an RMS number - RMS stands for Roughness Median Size - True or False

RMS stands for Root Mean Square