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






2. The heat required to raise the temperature of water at a pressure of 225 kPa from 0






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






4. A parallelogram with adjacent sides of unequal lengths






5. As the cosine decreases - the...






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






7. A body having a gravitational force of 2000 N - is pulled along a horizontal surface at constant speed by a rope that makes an angle of 20






8. Area of a segment






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






10. The total direction traveled by the piston within a cylinder power stroke - if pressure is being applied during the stroke






11. Combines easily with many other elements - improves atmospheric corrosion resistance - increases strength - amounts of 0.15-0.25%






12. All sides equal - all angles are equal and opposite sides parallel - divided into 6 ISOSCELES triangles - each angle in an octagon is 135 - A = 4.83s2






13. Compounds classified as salts may have the following characteristics






14. A quadrilateral with no parallel sides






15. Aka stray current electrolysis - caused be an external source of current - non intended paths due to poor electrical conductor






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






17. A parallelogram with four equal sides






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






19. Acute angle






20. Work done(J)/time(second) - unit of watts - 1 watt = 1 joule/second






21. 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






22. A polygon with 6 sides A = 0.433s2 for equilateral triangle - therefore a hexagon A = 6 x 0.433s2 or A = 2.6s2






23. Factor of safety






24. Energy can be...






25. The force that is equal in magnitude but opposite in direction to the resultant force is called






26. Is seen in equations involving logarithms - it means that the formula is converting from one base system to another.






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






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






29. Quantity of heat required to change the temp of a unit mass of a substance by 1 degree






30. Malleable cast iron is produced by...






31. Force






32. Steam engines - steam turbines - gas turbines and internal combustion engines are examples of...






33. The parts/fraction of steam that is dry is called dryness fraction - o expressed as a fraction - percentage or decimal






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






35. The rate at which heat flow through a slab of a material does not depend on...






36. PFDs






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






38. coefficient of expansion






39. A triangle with two equal sides






40. One is the trigonometric value of...






41. A closed plane figure bounded by straight sides






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






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






44. H2SO4 is the chemical formula for...






45. coefficient of volumetric expansion

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46. 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






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






48. When classifying beams - the term simple beam refers to a beam






49. Resistance to wear - abrasion and penetration






50. The temperature of saturated steam vapor at 980 kPa is...







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