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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. Bell- shaped probability distribution






2. An air pump that compresses air into a receiver tank.






3. Systems that do not make use of any externally powered - moving parts - such as circulation pumps - to move heated water or air.






4. The resultant of a system of force is the vector sum of all forces.






5. The total length of path over which the particle travels.






6. A thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work






7. An energy source that will never run out






8. Anything for which a person is legally bound or responsible






9. Used to start and stop flow in a circuit






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






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






12. A straight line that comes closest to the points on a scatter plot






13. The geometric center of an area.






14. A sketch that shows an object's height - width - and depth in a single view.






15. A force system where all of the forces are applied at a common point on the body or having their lines of action with a common intersection point.






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






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






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






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 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.






21. The probability that a component part - equipment - or system will satisfactorily perform its intended function under given circumstances - such as environmental conditions - limitations as to operating time - and frequency and thoroughness of mainte






22. Frequency distibution graph






23. The sense of a vector is the direction of the vector relative to its path and indicated by the location of the arrow.






24. A part or element of a larger whole






25. A cylinder that acts under pressure in one direction only and returns automatically when the pressure is released.






26. A device used to measure flow rate.






27. A vector quantity that includes the speed and direction of an object.






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






29. Degree of conformity of a measure to a standard value.






30. A circular toothed object used to transfer rotary motion and torque through interlocking teeth






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






32. The ratio of actual strength to required strength






33. A signal having the characteristic of being continuous and changing smoothly over a given range - rather than switching suddenly between certain levels






34. The fixed point around which a lever rotates.






35. A group technique for solving problems - generating ideas - stimulating creative thinking - etc. - by unrestrained spontaneous participation in discussion






36. States that the volume of a confined gas is proportional to its temperature - provided its pressure remains constant

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37. 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.






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






39. When a material is reduced in volume by the application of pressure; the reciprocal of the bulk modulus






40. An electromagnetically operated switching device.






41. The absolute value of a number






42. Energy derived from sources that do not use up natural resources or harm the environment






43. A general agreement






44. 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






45. A group of machined or handmade parts that fit together to form a self- contained unit.






46. The elements - constituents - or substances of which something is composed or can be made; matter that has qualities which give it individuality and by which it may be categorized






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






48. A dynamo or similar machine for converting mechanical energy into electricity






49. Plant materials and animal waste used especially as a source of fuel.






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