Test your basic knowledge |

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. The term _____ is used as a measure of the quantity of matter.






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






3. 1. In a right angle triangle - the sine of an acute angle is equal to...






4. Is the rate a body moves in a specific direction - direction must be specified - velocity(m/s) = displacement(m)/time(s)






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






6. Mechanical efficiency






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






8. 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






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






10. Protons have a mass number of...






11. Ability to withstand deformation above elastic limit under compression without failure






12. P & IDs






13. Expansion of a gas is said to be adiabatic when expansion takes place at...






14. Work per power stroke (J)






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






16. Sine Rule






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






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






19. Cosine rule






20. Resistance to wear - abrasion and penetration






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






22. Energy can be...






23. Of a process or change taking place at constant temperature - PV = C






24. A scalar quantity is one which has only magnitude and can be fully described by...






25. Velocity ratio is...






26. The dryness fraction of steam at a pressure of 400 kPa and a heat content of 2500 kJ/kg is...






27. Area of a segment






28. A 6 m long cantilever beam carries a concentrated load of 45 kN at its free end. What is the shear force at the wall?






29. 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






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






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






32. Pythagoras' Theorem






33. According to Hooke's Law - the stress in an elastic body is directly proportional to the strain if...






34. Copper fails due to...






35. A gas occupies 8.62 m3 at 1800 kPa and 26






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






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






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






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






40. A closed plane figure bounded by straight sides






41. A straight line that joins 2 points or circumference






42. Moist hydrogen sulphide environment - hydrogen sulphide must be present - water - even trace amount - high strength steel - steel must be under tensile stress - either applied or residual






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






44. The most common scale in use is the...






45. Reflex angle






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






47. Any two angles whose sum is 90






48. Kinetic energy (Ek)






49. Right angle






50. Compounds classified as salts may have the following characteristics