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 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


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






3. The act or process of measuring






4. For making steal is done in a pear shaped vessel that refines molten iron from a blast furnace and scrap into steel






5. Stainless fails due to...






6. Malleable cast iron is produced by...






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






8. Force






9. Cosine rule






10. Kinetic energy (Ek)






11. A triangle with two equal sides






12. Orthographic projection means...






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






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






15. A straight line that joins 2 points or circumference






16. 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...






17. 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






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






19. 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






20. When heat is supplied to a liquid in sufficient quantity to change the liquid to a vapour without changing the temperature - the heat supplied is known as...






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






22. coefficient of superficial (area) expansion






23. Protons have a mass number of...






24. The precise measurement of heat flow out of a system for chemical and physical processes






25. 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






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






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






28. H2SO4 is the chemical formula for...






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






30. Acute angle






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






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






33. 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)






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






35. Area of a segment






36. Mechanical efficiency






37. A triangle with no two sides of equal length






38. 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






39. 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






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






41. Four pieces of iron are heated in a furnace to high temperatures. The one at the highest temperature would appear






42. A parallelogram with adjacent sides of unequal lengths






43. Factor of safety






44. 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






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






46. 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?






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






48. A quadrilateral with no parallel sides






49. Work per second






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