1. CHEMISTRY

2. Copyright Kaplan AEC Education, 2008 PROBLEM #1 A 0.4157 g sample containing sodium carbonate (Na 2 CO 3 ) and inert impurities requires 37.46 ml of 0.1023 molar HCl for titration. The percentage by weight of sodium carbonate in the sample is most nearly (a) 48.86%(c) 97.72% (b) 100%(d) 24.43%

3. Copyright Kaplan AEC Education, 2008 PROBLEM #2 The weight, in grams, of chromium that will be plated from a solution of Cr(NO 3 ) 3 by a current of 6.0 amp in 2.0 hours is most nearly (a) 3.9 (b) 7.8 (c) 15.6 (d) 23.4

4. Copyright Kaplan AEC Education, 2008 PROBLEM #3 When the equation below is balanced, what will be the coefficient of H 2 O? C 6 H 6 + O 2  CO 2 + H 2 O (a) 1(c) 6 (b) 2(d) 15

5. Copyright Kaplan AEC Education, 2008 PROBLEM #4 A sample of methane gas has a volume of 1.50 liters at 25  C and 1 atm pressure. What volume will it occupy at 50  C and 1 atm pressure? (a)1.63 liters(c) 0.75 liters (b) 3.0 liters(d) 1.0 liter

6. Copyright Kaplan AEC Education, 2008 PROBLEM #5 The molarity of a 20 weight percent NaCl solution which has a density of 1.15 g/ml is most nearly (a) 0.34(b) 0.39(c) 7.86(d) 3.93

7. DYNAMICS

8. PROBLEM #1 Projectile problem: A projectile is launched with an initial speed of v 0 =100 ft/s at  =30 ° to the horizontal, what is the horizontal distance, L, covered by the projectile when it lands again?

9. PROBLEM #2 A truck of weight W = 4000 lbf moves down a  =10° incline at an initial speed of u 0 = 20 ft/s. A constant braking force of F brk =1200 lbf is experienced by the truck from a time, t = 0. What is the distance covered by the truck before it stops from the time that the braking force is applied?

10. PROBLEM #3 Find the tension, T, in the string and the angular acceleration, , if at the position shown the sphere of mass, m= 10 kg, has a tangential velocity of v 0 =4 m/s. R = 0.6 m, and  0 =30 .

11. PROBLEM #4

12. PROBLEM #5

13. ELECTRICITY AND MAGNETISM

14. PROBLEM #1

15. PROBLEM #2

16. PROBLEM #3

17. PROBLEM #4

18. PROBLEM #5

19. ENGINEERING ECONOMICS

20. Copyright Kaplan AEC Education, 2008 An appliance store advertises that a refrigerator can be purchased for $900 cash, or no money down and 24 equal monthly payments of $40. If you paid for the refrigerator with the 24 monthly payment plan, the effective yearly interest rate on your purchase is closest to (a)5.5% (b)5.8% (c)6.2% (d)6.5% Time Value of Money

21. Copyright Kaplan AEC Education, 2008 An appliance store advertises that a refrigerator can be purchased for $900 cash, or no money down and 24 equal monthly payments of $40. If you paid for the refrigerator with the 24 monthly payment plan, the effective yearly interest rate on your purchase is closest to (a)5.5% (b)5.8% (c)6.2% (d)6.5% PROBLEM #1

22. Copyright Kaplan AEC Education, 2008 PROBLEM #2 A company is considering purchasing a new machine for $650,000 that will increase the firm’s net income by $150,000 per year over the next 5 years. If the company wishes to obtain a 15% return on its investment, the minimum salvage value of the machine at the end of the 5-year useful life should be closest to (a)$275,000 (b)$295,000 (c)$315,000 (d)$335,000

23. Copyright Kaplan AEC Education, 2008 PROBLEM #3 A company is considering two mutually exclusive alternative projects to enhance its production facility. The respective financial estimates for each project are as follows Project AProject B Initial Cost75,000105,000 Annual Savings16,000 24,000 Salvage Value 9,000 0 If the useful life of Project A is 4 years, with a MARR of 15%, the useful life in years of Project B that makes both projects equally desirable is most nearly (a)4 (b)5 (c)6 (d)7

24. Copyright Kaplan AEC Education, 2008 PROBLEM #4 A company is considering two alternative forklifts with equal useful lives and the following characteristics AB Initial Cost25,00032,000 Total Annual Costs 4350 2500 Given an interest rate of 10%, the service life in years at which both machines have the same equivalent uniform annual cost (EUAC) is most nearly (a)5 (b)7 (c)9 (d)11

25. Copyright Kaplan AEC Education, 2008 PROBLEM #5 A compact car costs approximately $21,000 today. If a comparable car cost $15,000 ten years ago, the average annual inflation in compact car prices over the past ten years is closest to (a)2.6% (b)3.0% (c)3.4% (d)3.8%

26. ETHICS

27. PROBLEM #1

28. PROBLEM #2

29. PROBLEM #3

30. PROBLEM #4

31. HYDRAULICS

32. PROBLEM #1

33. PROBLEM #2

34. PROBLEM #3

35. PROBLEM #4

36. PROBLEM #5

37. THERMODYNAMICS

38. Copyright Kaplan AEC Education, 2008 PROBLEM #1

39. Copyright Kaplan AEC Education, 2008 PROBLEM #2

40. Copyright Kaplan AEC Education, 2008 PROBLEM #3

41. Copyright Kaplan AEC Education, 2008 PROBLEM #4

42. Copyright Kaplan AEC Education, 2008 PROBLEM #5

43. MATHEMATICS

44. PROBLEM #1

45. PROBLEM #2

46. PROBLEM #3

47. PROBLEM #4

48. PROBLEM #5

49. MECHANICS OF MATERIALS “STRENGTH”

50. Copyright Kaplan AEC Education, 2008 PROBLEM #1

51. Copyright Kaplan AEC Education, 2008 PROBLEM #2

52. Copyright Kaplan AEC Education, 2008 PROBLEM #3

53. Copyright Kaplan AEC Education, 2008 PROBLEM #4

54. Copyright Kaplan AEC Education, 2008 PROBLEM #5

55. MECHANICS OF MATERIALS “PROPERTIES”

56. Copyright Kaplan AEC Education, 2008 PROBLEM #1

57. Copyright Kaplan AEC Education, 2008 PROBLEM #2

58. Copyright Kaplan AEC Education, 2008 PROBLEM #3

59. Copyright Kaplan AEC Education, 2008 PROBLEM #4

60. Copyright Kaplan AEC Education, 2008 PROBLEM #5

61. STATICS

62. Copyright Kaplan AEC Education, 2008 PROBLEM #1

63. Copyright Kaplan AEC Education, 2008 PROBLEM #2

64. Copyright Kaplan AEC Education, 2008 PROBLEM #3

65. Copyright Kaplan AEC Education, 2008 PROBLEM #4

66. Copyright Kaplan AEC Education, 2008 PROBLEM #5

67. PROBABILITY & STATISTICS

68. Copyright Kaplan AEC Education, 2008 PROBLEM #1

69. Copyright Kaplan AEC Education, 2008 PROBLEM #2

70. Copyright Kaplan AEC Education, 2008 PROBLEM #3

71. Copyright Kaplan AEC Education, 2008 PROBLEM #4

72. Copyright Kaplan AEC Education, 2008 PROBLEM #5