#1. A bundle of conduit is 36 feet long. If 2/3 of it is installed, how many feet are installed?
#2. A bundle of conduit is 55 feet long. If 3/5 of it is installed, how many feet are installed?
#3. A bundle of conduit is 60 feet long. If 4/5 of it is installed, how many feet are installed?
#4. A bundle of conduit is 40 feet long. If 1/4 of it is installed, how many feet are installed?
#5. A monthly tool payment of $120 increases by 15%. What is the new payment amount?
#6. A monthly tool payment of $80 increases by 25%. What is the new payment amount?
#7. A monthly tool payment of $200 increases by 10%. What is the new payment amount?
#8. A material cost of $150 is reduced by 20%. What is the new cost?
#9. A material cost of $90 is reduced by 15%. What is the new cost?
#10. A material cost of $250 is reduced by 10%. What is the new cost?
#11. Solve for x: 2x + 3x = 25
#12. Solve for x: 4x + 1x = 30
#13. Solve for x: 3x + 5x = 32
#14. Solve for x: 3x + 5 = 26
#15. Solve for x: 5x + 9 = 39
#16. Solve for x: 4x + 4 = 36
#17. A storeroom has 3 shelves with 5 stacks on each. Each stack holds 4 boxes. How many boxes are there in total?
#18. A storeroom has 4 shelves with 4 stacks on each. Each stack holds 6 boxes. How many boxes are there in total?
#19. A service van travels at 45 miles per hour for 3 hours. How far does it go?
#20. A service van travels at 55 miles per hour for 2.5 hours. How far does it go?
#21. A service van travels at 35 miles per hour for 4 hours. How far does it go?
#22. The current (amps) readings are 8, 10, 12, 10. What is the average current (amps)?
#23. The voltage (volts) readings are 118, 122, 120, 116. What is the average voltage (volts)?
#24. The time (minutes) readings are 15, 18, 17, 20. What is the average time (minutes)?
#25. A cable tray is shared between lighting and receptacle circuits in a ratio 3:2. If 25 cables are in the tray, how many are lighting cables?
#26. A cable tray is shared between lighting and receptacle circuits in a ratio 4:3. If 28 cables are in the tray, how many are lighting cables?
#27. A cable tray is shared between lighting and receptacle circuits in a ratio 5:1. If 36 cables are in the tray, how many are lighting cables?
#28. The sequence of measurements is 6, 10, 14, 18. What measurement comes next?
#29. The sequence of measurements is 9, 15, 21. What measurement comes next?
#30. The sequence of measurements is 5, 10, 15, 20, 25. What measurement comes next?
#31. Evaluate: 7 + 3 × (9 − 4)
#32. Evaluate: 10 + 2 × (8 − 6)
#33. Two apprentices pull cable at 10 feet/hour and 8 feet/hour. Working together for 5 hours, how many feet do they pull?
#34. Two apprentices pull cable at 14 feet/hour and 9 feet/hour. Working together for 4 hours, how many feet do they pull?
#35. Three resistors of 4, 6, 10 ohms are connected in series. What is the total resistance?
#36. Three resistors of 5, 7, 9 ohms are connected in series. What is the total resistance?
#37. A circuit has 4 A of current and 20 Ω of resistance. What is the voltage?
#38. A circuit has 3 A of current and 30 Ω of resistance. What is the voltage?
#39. A 48 V source is applied to a 12 Ω load. What is the current?
#40. A 36 V source is applied to a 9 Ω load. What is the current?
#41. A circuit draws 10 A at 120 V. What is the resistance?
#42. A circuit draws 4 A at 96 V. What is the resistance?
#43. A total current of 24 A is evenly divided among 3 parallel branches. How much current flows in each branch?
#44. A total current of 18 A is evenly divided among 2 parallel branches. How much current flows in each branch?
#45. A total current of 30 A is evenly divided among 5 parallel branches. How much current flows in each branch?
#46. If 10 outlets require 25 feet of cable, how many feet are needed for 15 outlets (at the same rate)?
#47. If 8 outlets require 20 feet of cable, how many feet are needed for 30 outlets (at the same rate)?
#48. A job instruction says: ‘Keep all walkways clear of cords and tools.’ What is the main reason for this rule?
#49. A memo states: ‘Submit all material requisitions by 3:00 p.m. each day.’ What should workers do?
#50. A safety notice reads: ‘Do not bypass guards on power tools.’ What does this mean?
#51. A procedure says: ‘Verify test instruments on a known live source before and after use.’ What is the purpose of this step?
#52. A project note states: ‘Follow the latest revision of the drawings.’ What must a worker ensure?
#53. A supervisor writes: ‘All incident reports must be completed before leaving the site.’ What is expected?
#54. A safety rule says: ‘Do not use metal ladders near energized conductors.’ What is the safest action?
#55. A toolbox talk states: ‘Communicate before switching off power to shared circuits.’ What should be done?
#56. A written instruction says: ‘Label all new circuits at the panel.’ What is required?
#57. A job plan notes: ‘Use caution tape to mark open floor penetrations.’ What is the purpose of the tape?
#58. A checklist item reads: ‘Confirm lockout devices are removed only by the person who applied them.’ What should be verified?
#59. A notice says: ‘Maintain three points of contact when climbing ladders.’ What does this require?
#60. A breaker panel has breakers rated 15 A, 20 A, 20 A, and 30 A. What is the total of the breaker ratings?
#61. A conduit run is 42 feet long. It must be shortened by 25%. What is the new length after shortening?
#62. An electrician installs 9 fixtures each day for 5 days. How many fixtures are installed in total?
#63. Three wire reels contain 120 feet, 75 feet, and 55 feet of wire. How many feet of wire are there altogether?
#64. A circuit has two resistors of 8 Ω and 12 Ω in series. What is the total resistance?
#65. The readings on a meter are 10.2 A, 9.8 A, and 10.0 A. What is the average current?
#66. A ladder is 20 feet long and leans against a wall so that it reaches 16 feet high. How many feet of ladder extend beyond the top of the wall if the wall is 14 feet high?
#67. A total of 60 receptacles must be installed equally on 4 floors. How many receptacles are installed on each floor?
#68. A toolbox weighs 18 kg when empty and 32 kg when filled with tools. How much do the tools weigh?
#69. A worker spends 2.5 hours on layout, 3 hours on conduit, and 2 hours on pulling wire. How many hours are spent in total?