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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. The law that if two bodies are in thermal equilibrium with a third body then the first two bodies are in thermal equilibrium with each other






2. The square root of the variance.






3. Not having fixed limits; unrestricted; broad






4. The difference between the maximum and minimum dimensions allowed within the design of a product.






5. Change in length of an object in some direction per unit






6. Used to transport fluid in a circuit






7. A type of pneumatic pressure control valve that controls the maximum pressure in a branch of a circuit.






8. A quantity that has both a magnitude and direction.






9. A strong rope - usually made of metal - designed to have great tensile strength and to be used in structures.






10. Information fed into a data processing system or computer.






11. A systematic problem- solving strategy - with criteria and constraints - used to develop many possible solutions to solve a problem






12. The rate of change of velocity with respect to time.






13. The potential difference measured in volts. The amount of work to be done to move a charge from one point to another along an electric circuit






14. The condition or quality of being true - correct - or exact; precision; exactness.






15. A cylinder that can act under pressure in both directions (extend and retract) to move a load.






16. The geometric center of an area.






17. The calculated likelihood that a given event will occur






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






19. A sliding piece moved by or moving against fluid pressure which usually consists of a short cylindrical body fitting within a cylindrical chamber or vessel along which it moves back and forth.






20. The measurement of how difficult it is for charges to flow through a material






21. A device used to create flow in a hydraulic system.






22. Point at which the deformation is no longer directly proportional to the applied force. Hooke's Law no longer applies






23. A resource that cannot be replaced once used






24. A device used to spray an oil mist into the stream of a pneumatic system.






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






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






27. The basic unit of electric current adopted under the Systeme International d'Unites






28. A tool for systematically ranking alternatives according to a set of criteria






29. A conductor wrapped around an iron core. The two ends of the conductor are attached to a power source. When current passes through the conductor - the iron core becomes magnetized.






30. The transfer of heat through matter by molecular activity; Energy is transferred through collisions from one molecule to another






31. The process in which an electric current is used to produce a chemical reaction - such as the decomposition of water






32. The flow of electrical power or charge.






33. A part or element of a larger whole






34. The transfer of heat by the movement of a mass or substance; it can take place only in fluids






35. The fractional increase in a material's length due to stress in tension or thermal expansion






36. A diagram used to isolate a body from its environment - showing all external forces acting upon it.






37. The opposition that a device or material offers to the flow of direct current






38. Those properties of a material that reveal the elastic and inelastic reaction when force is applied - or that involve the relationship between stress and strain; for example - the modulus of elasticity - tensile strength - and fatigue limit






39. Two different sized circular objects that are attached together and turn as one.






40. The return to the input of a part of the output of a machine - system - or process






41. A type of lever that is a wheel with a groove in its rim - which is used to change the direction or multiply a force exerted by a rope or cable.






42. Bell- shaped probability distribution






43. A body subjected to a push.






44. A valve that allows flow in one direction but prevents flow in the opposite direction.






45. A system of discrete states: high or low - on or off - 1 or 0.






46. The magnitude of the total distance traveled divided by the time elapsed.






47. Used to control which path fluid takes in a circuit.






48. An energy source that will never run out






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






50. 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.







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