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






2. The amount of heat required to completely melt 25 kg of ice from a temperature of -10






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






4. coefficient of expansion






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






6. 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






7. A triangle with no two sides of equal length






8. Dangerous because a crack starts slowly and propagate slowly - exceed breaking strength and the metal fails suddenly - stress must be tensile can be produced by an external load or residual stress - condensed moisture and change in temperature






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






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






11. A triangle with two equal sides






12. A parallelogram with adjacent sides of unequal lengths






13. Micro organisms promote corrosion...






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






15. Is a number that appears naturally in some higher- level mathematics is 2.71828 (correct to 5 decimal places)






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






17. Malleable cast iron is produced by...






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






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






20. The relationship between the pressure and volume of a gas at constant temperture; when volume increase - pressure decreases.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


21. Acute angle






22. PVn(super script n) = C






23. A parallelogram with four equal sides






24. PV=nRT - Boyle's law and Charle's law combined






25. Any two angles whose sum is 90






26. Work per power stroke (J)






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






28. Cosine rule






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






30. Copper fails due to...






31. A 10 m long steel pipe when heated to increase its temperature by 85






32. Testing metals and nonmetals of low to medium hardness. uses a ball that is pressed into material and basis calculations on the diameters of ball and indentation.






33. One is the trigonometric value of...






34. Resistance to wear - abrasion and penetration






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






36. 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






37. Safe working stress is determined by...






38. The pressure that should be used when calculating power - pressure is not constant throughout a power stroke - decreases as gas/steam expands






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






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






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






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






43. A closed plane figure bounded by straight sides






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






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






46. u = initial velocity (m/s) - v = final velocity (m/s) - t = time (s) - s = distance (m) - a = acceleration (m/s/s) - g = acceleration due to gravity (m/s/s)






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






48. coefficient of volumetric expansion

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


49. PFDs






50. In a pipe if no fluid is added or removed - flow must remain constant - due to the product of area and velocity being constant - flow must be the same going in as coming out of pipe