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Power 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. Sensible heat + total latent heat - mc(specific heat) x delta t + mLf/mLe - Lf = latent heat of fusion - Le = latent heat of evaporation






2. A parallelogram with adjacent sides of unequal lengths






3. 1.not showing temperatures or pressures 2. piping ID numbers and sizing 3. all instrumentation 4. piping details






4. Resistance to corrosion - improved properties at high and low temperatures - lowers coefficient of expansion






5. Resistance to wear - abrasion and penetration






6. Negative terminal of the rectifier must always be connected to the structure that is being protected






7. A displacement of 9 m north of point A - and another of 6 m west of point A can be added to give a resultant displacement from point A of...






8. A = arc length x radius / 2 - A = (pi/360) x pir2 - length of radii and angle between radii known






9. Pythagoras' Theorem






10. As the cosine decreases - the...






11. The most common thread used in North America on fasteners such as bolts - is the...






12. A closed plane figure bounded by straight sides






13. A 1 N weight has a kinetic energy of 1 J when its speed is...






14. The ratio of the weight of an object being moved along a surface and the force that maintains contact between the object and the surface u = tan(thada) - coefficient of friction is equal to the tangent of friction angle






15. A closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it A = piab or A = pi(1/2D)(1/2d) - same as = (pi/4)D/d






16. Pm = mean effective pressure (Pa) - A= area of piston (m2) - L= length of stroke (m) - N= number of power strokes per second






17. A straight line that joins 2 points or circumference






18. 1. Info for sizing equipment 2.compare plant performance against design: flow rates - efficiencies - recovery efficiencies






19. A pinch of salt is added to a glass of water. The result is...






20. Whether a material will break under sudden impact or hard blow






21. If 10 m3 of a gas at a pressure of 20 kPa (gauge) and a temperature of 10






22. In the equation 0.004 + D = 0.0042 - the value of D is...






23. A quadrilateral with no parallel sides






24. Steam turbine bearings are usually made of...






25. The most common material used in making large industrial diesel engine pistons is...






26. Being made of 2 or more substances creating unique characteristics and properties when combine






27. Force






28. The ratio of the density of a substance to the density of a standard substance at the same temperature and pressure - the ratio of the density of the substance to the density of the substance to the density of water






29. Stainless fails due to...






30. The working stress of a material that has an ultimate strength of 490 MPa and a safety factor of 7 would be...






31. Means that the sum of the matter leaving the plant equals the sum of the matter entering






32. If a right- angle triangle has an angle of 28O 37' and the hypotenuse is 120 mm - the length of the opposite side is...






33. The factor of safety is always expressed...






34. Pre- construction - shows graphically the mechanical design engineer's work - during construction - proper location - reference to all equipment - after construction - training reference anddetails of process - utility and electrical systems






35. Use of the equation PV = a constant - means the numerical result of pressure times volume for a compression or expansion process will






36. Is the required to change a unit mass from a gas to liquid or liquid to a gas






37. The ability to return to its original shape after an external force has been removed






38. Resists oxidation - high strength at high temperatures - increases hardness and abrasion resistance without increasing brittleness - increases response to heat treatment - increases depth of hardness penetration - at 12% chromium steel with not tarni






39. coefficient of expansion






40. Sine Rule






41. A body can be put into equilibrium by applying an additional force equal in magnitude but opposite in direction to the...






42. Acute angle






43. PFDs






44. A automobile travels at 60 miles per hour. Expressed in metres per second - this would be equivalent to...






45. Compounds classified as salts may have the following characteristics






46. Change in tempereature where no heat in transferred - PV(supercript v) = C






47. Ratio of the opposite to the adjacent side of a right- angled triangle






48. Is the heat being added or removed to/from a substance without a change of state - still having a changing in temp






49. Obtuse angle






50. The moment of a force about a point is...






Can you answer 50 questions in 15 minutes?



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