Test your basic knowledge |

Principles Of Engineering

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A cylinder that can act under pressure in both directions (extend and retract) to move a load.






2. Maximum stress that a material will withstand without permanent deformation






3. An energy source that will never run out






4. The ratio of useful energy output to the total energy input - or the percentage of the work input that is converted to work output.






5. The type of charge an atomic particle has






6. A general agreement






7. A device for making - breaking - or changing the connections in an electrical circuit.






8. A specialized heavy- duty computer system used for process control in factories - chemical plants - and warehouses






9. If one object exerts a force on another object - then the second object exerts a force of equal streangth in the opposite direction on the first object.

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10. Conversion of a digital signal to its analog equivalent - such as a voltage.






11. The change of motion of the body is proportional to the net force imposed on the body and is in the direction of the net force.

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12. Any of numerous natural and synthetic compounds of usually high molecular weight consisting of up to millions of repeated linked units - each a relatively light and simple molecule






13. Crude or processed material that can be converted by manufacture - processing - or combination into a new and useful product; something with a potential for improvement - development - or elaboration






14. A support that prevents translation in any direction






15. The turning effect of a force about a point equal to the magnitude of the force times the perpendicular distance from the point to the line of action from the force.






16. The contact of a relay that is open when the coil is de- energized






17. A toothed wheel whose teeth engage the links of a chain.






18. Used to start and stop flow in a circuit






19. Information encoded in a digital form - which is usually stored in an assigned address of a data memory for later use by the processor.






20. Any of various elementary mechanisms including the lever - the wheel and axle - the pulley - the inclined plane - the wedge - and the screw.






21. Absolute temperature scale






22. The ratio of actual strength to required strength






23. A measure of how easily a material can be twisted






24. The force per unit area exerted by a fluid against a surface






25. An inclined plane wrapped around a cylinder - forming the path and pitch.






26. A part of a design brief that challenges the designer - describes what a design solution should do without describing how to solve the problem -






27. A condition where there are no net external forces acting upon a particle or rigid body and the body remains at rest or continues at a constant velocity.






28. A limit to a design process. Constraints may be such things as appearance - funding - space - materials - and human capabilities






29. The absolute value of a number






30. A part of the physical world as described by its thermodynamic properties such as temperature - volume - pressure - concentration - surface tension - and viscosity.






31. The volume of fluid that moves through a system in a given period of time.






32. A law that states that the internal energy in a system remains constant and the change in thermal energy of a system is equal to the work done on the system.






33. Measure of data scatter






34. A device that holds the compressed air in a pneumatic system.






35. A control circuit in which the system output has no effect on the control






36. A type of system that uses circulating pumps and fans to collect and distribute heat.






37. The absolute pressure of a confined gas is proportional to its temperature - provided its volume stays constant

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38. Energy caused by the movement of electrons.






39. A set of all possible outcomes or events in an experiment that cannot be further broken down.






40. A photo- sensitive resistor whose resistance decreases as the light striking the unit increases.






41. Graphical representation of a material's mechanical properties






42. Measure of variation equal to the sum of the deviations of each value from the mean.






43. A control system that considers the output of a system and makes adjustments based on that output.






44. A machine for producing power in which a wheel or rotor is made to revolve by a fast- moving flow of water - steam - gas - or air






45. The flow of electrical power or charge.






46. Amount of difference between a value and the mean.






47. A force that produces or tends to produce rotation or torsion.






48. A truss that lies in a single plane often used to support roofs and bridges






49. The ability to get answers to questions through a conscious - organized process. The answers are usually - but not necessarily - quantitative






50. The direction of a vector is defined by the angle between a reference axis and the arrow's line of direction.