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Category: Engineering Trivia

The Coffee Break Quiz - A challenging selection of General Engineering 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 ?

  1. The sine wave is a mathematical curve that describes a smooth repetitive oscillation . - True or False
  2. The lux ( lx) is the SI  unit of sound - True or False
  3. Before the development of Rare Earth Magnets - Magnets made from Alnico alloys were the strongest type of magnet available - True or False
  4. Diamond saw blades are very hard - but do not have diamonds fixed to the cutting edge - True or False
  5. A semiconductor is a device designed to neutralize lighting strikes created by violent thunderstorms - True or False
  6. In computing - Moore's law is the observation that over the history of computing hardware, the number of transistors on integrated circuits doubles approximately every two years - True or False
  7. In digital imaging - "The Pixel" is the person who re arranges digital artwork - True or False
  8. Epicyclic gearing is also called planetary gearing - True or False
  9. 1/32" equals what decimal of an inch - a) 0.000 3125  b) 0.003 125  c) 0.031 25  d) 0.312 5
  10. The "Bar" is a unit of pressure - 1 bar is approximately equal to the atmospheric pressure on the Earth at sea level  - True or False

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Category: Engineering Trivia

The Coffee Break Quiz - A challenging selection of General Engineering 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 ?

  1. A dynamo is an electrical generator that produces direct current without the use of a commutator - True or False
  2. Astronomy is the science that deals with the study of celestial objects  - True or False
  3. In Mechanical Engineering - The Geneva drive gear mechanism is also called a Maltese Cross - True or False
  4. In the transportation industry - were would you find a “Blimp” - a) Underwater b) Underground  c) In the air d) On rough terrain
  5. In computer terminology - ADSL is the abbreviation for "All Direct System Lever" - True or False
  6. 1 Bar (unit of pressure) equals 29.53 Hg - True or False
  7. Manhole covers are typically made circular so that they can not fall down the hole.  The Reuleaux Triangle also has this characteristic - True or False
  8. A turbocharger is a smaller secondary internal combustion engine attached to a larger primary engine which creates an increase in power - True or False
  9. In woodworking , rasps are used for drilling holes in rough timber - True or False
  10. Iron Oxide may also be called Ferric Oxide - True or False


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Category: Engineering Trivia

The Coffee Break Quiz - A challenging selection of General Engineering 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 ?

  1. 1/16" equals what decimal of an inch - a) 0.000 625  b) 0.006 25 c) 0.062 5 d) 0.625
  2. The Bar is a SI unit of pressure - True or False
  3. The rotor of a Wankel engine has curved sides of constant width and is therefore a Reuleaux Triangle - True or False
  4. Mars is the sixth planet from the Sun  - True or False
  5. In Mechanical Engineering - Taps and Dies are used to create screw threads - True or False
  6. The Lux is the SI  derived unit  of Luminance - True or False
  7. The intelligence  of machines and robots and the branch of computer science  that aims to create it is known as - a) Super Computerised Knowledge  b) Artificial Intelligence  c) IT Extreme Knowledge  d) Computer Processing Power
  8. What name is given to a device which delivers an ignition source to the compressed fuel/air mixture in the compression chamber of an internal combustion engine - a) Ignitor  b) Conductor   c) Lighter  d) Spark Plug
  9. In maths, a prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself - True or False
  10. In Engineering - fatigue is the progressive and localized structural damage caused by a material being subjected to cyclic loading - True or False

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Category: Engineering Trivia

The Coffee Break Quiz - A challenging selection of General Engineering 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 ?

  1. In Mechanical Engineering - The Geneva drive gear mechanism converts a continuous rotary motion into a reciprocating action - True or False
  2. 1/2" is equal to how many millimeters - a) 0.127  b) 1.270  c) 12.700  d) 127.000 
  3. The Wankel Engine uses a unique variation of a reciprocating motion design - True or False
  4. It is possible to drill a square hole - True or False
  5. Which planet is often called "The Red Planet" - a) Mars  b) Jupiter  c) Venus  d) Mercury
  6. The Radian is the SI  derived unit for a Plane Angle - True or False
  7. Thinking machines and artificial intelligence appear in Greek mythology - True or False
  8. The capacity of an internal combustion engine is calculated by the volume of the exhaust gasses per stroke - at ambient pressure and temperature - True or False
  9. An Autoclicker is a device used to sterilize equipment  by subjecting them to high pressure saturated steam - True or False
  10. The number 10 to the power of minus 6 has the unit symbol "micro" - True or False

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Details
Category: Engineering Trivia

The Coffee Break Quiz - A challenging selection of General Engineering 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 ?

  1. 1/4" is equal to how many millimeters - a) 635  b) 63.5  c) 6.35 d) 0.635
  2. Rare Earth magnets were first developed by the ancient Chinese - True or False
  3. In physics, an orbit is defined as the shortest distance between to points in space - True or False
  4. In 1951, the German  engineer Felix Wankel began development of what - a) Splitting the atom  b) Space Travel  d) Sound Absorption technology  d) a Rotary engine
  5. In Mechanical Engineering - Plug, Taper and Bottoming taps are used for - a) Screw Cutting  b) Pipe Crimping  c) Hole Punching  d) Spark Erosion
  6. The Henry is the SI derived unit of Inductance - True or False
  7. In maths and computer science, the binary numeral system, represents numeric values using two symbols twice - therefore a total of 4 individual symbols - True or False
  8. Refraction is the change in direction of a wave due to a change in its medium - True or False
  9. Trapped Key Interlocking is a method of ensuring safety in industrial environments by forcing the operator through a predetermined sequence using a defined selection of keys, locks and switches - True or False
  10. A latch is a type of mechanical device designed to prevent two (or more) objects or surfaces from joining together - True or False


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Details
Category: Engineering Trivia

The Coffee Break Quiz - A challenging selection of General Engineering 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 ?

  1. In fluid dynamics, a vortex is a region within a fluid where the flow is mostly a reciprocal motion about an imaginary axis - True or False
  2. In Euclidean plane geometry, a quadrilateral is a polygon with eight sides and eight corners - True or False
  3. In Mechanical Engineering - When cutting a screw thread into a hole, the hole will always be drilled a larger diameter than the nominal thread size - True or False
  4. The joule is a derived unit of luminous intensity in the International System of Units True or False
  5. The first known description of a binary numeral system was recorded by an Indian scholar in approximately the 4th century BC - True or False
  6. Flame Hardening is a processes in which the surface of a steel component is heated to a high temperature then allowed to cool slowly - True or False
  7. Optics is the branch of physics which involves the behaviour and properties of Sound - True or False
  8. A toggle bolt is a fastener typically used for for hanging items on hollow walls such as drywall . - True or False
  9. The Apollo program was the second human spaceflight program carried out by NASA - True or False
  10. The number 10 to the power of 24 has the unit symbol "yotta" - True or False

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Category: Engineering Trivia

The Coffee Break Quiz - A challenging selection of General Engineering 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 ?

  1. A parallelogram is a quadrilateral with two pairs of parallel sides - True or False
  2. Polarization is a property of electromagnetic waves that can oscillate with more than one orientation - True or False
  3. In Mechanical Engineering - A Feeler Gauge is a tool used to measure gap widths or clearance between two adjacent parts - True or False
  4. The number 10 to the power of 6 has the unit symbol "mega" - True or False
  5. In electronics digital circuit theory -  sequential logic is a type of logic circuit whose output depends not only on the present value of its input signals but on the past history of its inputs - True or False
  6. The Doppler effect states that there is no change in frequency of a wave or periodic event for an observer  who moves relative to its source - True or False
  7. The Apollo program for human spaceflight used the Saturn family of rockets - True or False
  8. An accelerometer is a device that measures angles - True or False
  9. In Civil Engineering, a mix of sand, gravel and crushed stone is typically called Agradoor - True or False
  10. Vostok Station in Antarctica has the lowest ever recorded temperature in the world - is it a) -69.2 deg C  b) -79.2 deg C  c) 89.2 deg C  d) 99.2 deg C

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Details
Category: Engineering Trivia

The Coffee Break Quiz - A challenging selection of General Engineering 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 ?

  1. The Pascal is the SI derived unit of Mass - True or False
  2. In Optics, a prism is a transparent optical element with flat, polished surfaces that does not  refract  light  - True or False
  3. In electronics, a latch is a circuit  that has two stable states and can be used to store state information - True or False
  4. In physics, the force which attracts a body downwards towards the center of the earth is called - a) Gravy  b) Grave  c) Gravitas  d) Gravity
  5. Project Gemini was the third  human spaceflight  program carried out by NASA  - True or False
  6. Scaffolding is always a permanent structure which is used to support people and material in the construction  or repair of buildings and other large structures - True or False
  7. The highest mountain in North America is Mount McKinley in Alaska - True or False
  8. Who was the Roman God of thieves, commerce and travellers - a) Jupiter  b) Mercury  c) Apollo  d) Vulcan
  9. What name is given to the curve  that a hanging chain or cable assumes under its own weight  when supported only at its ends.- a) Catenary  b) Century  c) Corrobori  d) Chord
  10. The number 10 to the power of 21 has the unit symbol "mega" - True or FalseSEE NEXT PAGE FOR ANSWERS

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Details
Category: Engineering Trivia

The Coffee Break Quiz - A challenging selection of General Engineering 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 ?

  1. In Process Engineering - Heat Exchangers are also called Air Conditioners - True or False
  2. The Strain Gauge was invented by Edward E. Simmons  and Arthur C. Ruge  in 1938 - True or False
  3. In Fluid Mechanics the Boundary Layer is the plane of fluid adjacent to the surface of an object around which the fluid is flowing - True or False
  4. The logarithm of 1000 to base 10 is 10 - True or False
  5. In Engineering - A flywheel is used to balance the overhang of static cantilevered beams - True or False
  6. A sheave is a wheel or roller with a domed top surface which is typically used as a counterweight - True or False
  7. Al-Kufrah in Libya is the driest recorded place on earth - True or False
  8. The number 10 to the power of minus 3 has the unit symbol "micro" - True or False
  9. The Ohm is the SI  derived unit of Electrical Resistance - True or False
  10. In electronics Engineering, an Algorithm is a set of mathematical "rules" applied to an input and is typically used to describe a section of computer code which performs a specific function - True or False

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Details
Category: Engineering Trivia


The Coffee Break Quiz - A challenging selection of General Engineering 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 ?

  1. The Steradian is the SI derived unit  of Frequency - True or False
  2. The number 10 to the power of minus12 has the unit symbol "pico" - True or False
  3. Project Mercury was the first human spaceflight  program of the United States . - True or False
  4. G-force is a term used in vacuum technology which is felt as negative pressure and measured by a Deceleromenter - True or False
  5. Bamboo is frequently used as scaffolding material in many Asian countries - True or False
  6. In Computer Engineering, an Algorithm is a set of mathematical "rules" applied to an input and is typically used to describe a section of computer code which performs a specific function - True or False
  7. Death Valley in California has the highest ever recorded temperature in the world - is it - a) 46.7 deg C  b) 56.7 deg C  c) 66.7 deg C  d) 76.7 deg C
  8. In Engineering design CAD refers to "As Built" drawings and stands for "Change After Done" - True or False
  9. 1 mile equals 1.609 km - True or False
  10. In Electrical Engineering - Solenoids are important because they can create controlled magnetic fields and can be used as electromagnets  - True or False



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