IBEW NINETH SIMULATION

#1. A spool contains 45 feet of wire. If 2/3 of the wire is used, how many feet are used?

15.0

30

22.5

45.0

#2. A spool contains 36 feet of wire. If 3/4 of the wire is used, how many feet are used?

27

21.6

9.0

36.0

#3. A spool contains 50 feet of wire. If 1/5 of the wire is used, how many feet are used?

10.0

10

20.0

8.333333333333334

#4. A spool contains 80 feet of wire. If 4/5 of the wire is used, how many feet are used?

53.333333333333336

80.0

16.0

64

#5. A weekly material budget of $200 is increased by 10%. What is the new budget?

210

180.0

20.0

220.00000000000003

#6. A weekly material budget of $150 is increased by 15%. What is the new budget?

165

22.5

127.5

172.5

#7. A weekly material budget of $240 is reduced by 20%. What is the new budget?

192

288.0

48.0

260

#8. A weekly material budget of $180 is reduced by 25%. What is the new budget?

45.0

205

135

225.0

#9. Solve for x: 3x + 5 = 26

-7

7

10

4

#10. Solve for x: 4x + 8 = 32

6

-6

9

3

#11. Solve for x: 5x − 7 = 38

18

9

13

5

#12. Solve for x: 6x − 10 = 38

12

16

4

8

#13. An order includes 4 light fixtures at $18 each and 10 switches at $6 each. What is the total cost?

60

147

132

72

#14. An order includes 5 light fixtures at $15 each and 12 switches at $4 each. What is the total cost?

123

75

138

48

#15. A worker buys 6 receptacles at $10 each. What is the total cost?

60

70

16

50

#16. A worker buys 9 switches at $8 each. What is the total cost?

72

64

17

80

#17. A worker buys 14 lamps at $6 each. What is the total cost?

90

20

78

84

#18. A service van travels at 40 miles per hour for 3 hours. How many miles does it travel?

120

160

80

119

#19. A service van travels at 55 miles per hour for 2.5 hours. How many miles does it travel?

192.5

137.5

82.5

136.5

#20. A service van travels at 65 miles per hour for 1.5 hours. How many miles does it travel?

104.5

32.5

162.5

97.5

#21. A job site is 90 miles away. If the van averages 45 mph, how long does the trip take?

0.5

4050

1.6363636363636365

2

#22. A job site is 120 miles away. If the van averages 60 mph, how long does the trip take?

2

7200

0.5

1.7142857142857142

#23. The current (amps) readings are 10, 12, 11, 13. What is the average current (amps)?

10

46

11.5

13

#24. The voltage (volts) readings are 118, 121, 119, 122. What is the average voltage (volts)?

122

480

118

120

#25. The ratio of apprentices to journeymen is 2:3. If there are 25 workers, how many are apprentices?

15

5

10

15.0

#26. The ratio of electricians to helpers is 3:4. If there are 35 workers, how many are electricians?

7

20

15

20.0

#27. Find the next number in the sequence: 6, 9, 12, 15, 18, ?

18

24

27

21

#28. Find the next number in the sequence: 9, 13, 17, 21, ?

33

25

29

21

#29. Find the next number in the sequence: 7, 12, 17, 22, ?

27

37

22

32

#30. Evaluate: 5 + 4 × 6 + 2

31

37

25

56

#31. Evaluate: 7 + 3 × 5 + 4

39

34

54

26

#32. Evaluate: (8 + 2) × 7 − 5

120

17

27

65

#33. Evaluate: (6 + 5) × 4 − 3

77

29

41

23

#34. An electrician pulls cable at 14 feet per hour. How many feet can be pulled in 4 hours?

56

42

70

18

#35. An electrician pulls cable at 18 feet per hour. How many feet can be pulled in 3 hours?

36

21

72

54

#36. Two workers pull cable at 12 and 10 feet per hour. Working together for 4 hours, how many feet do they pull?

48

40

88

66

#37. Two workers pull cable at 16 and 14 feet per hour. Working together for 3 hours, how many feet do they pull?

60

90

42

48

#38. Resistors of 4 Ω, 7 Ω, 9 Ω are in series. What is the total resistance?

9

28

16

20

#39. Resistors of 5 Ω, 6 Ω, 8 Ω are in series. What is the total resistance?

19

8

14

30

#40. A circuit has 4 A of current through a 20 Ω resistor. What is the voltage across it?

80

16

24

84

#41. A circuit has 5 A of current through a 18 Ω resistor. What is the voltage across it?

23

95

90

13

#42. A 48 V source is applied across a 12 Ω load. What is the current?

576

0.25

2.1818181818181817

4

#43. A 36 V source is applied across a 9 Ω load. What is the current?

324

4

1.894736842105263

0.25

#44. A circuit draws 12 A at 120 V. What is the resistance of the circuit?

0.1

8.571428571428571

10

1440

#45. A circuit draws 6 A at 96 V. What is the resistance of the circuit?

0.0625

12.0

16

576

#46. A total of 24 A is equally divided among 3 parallel branches. How much current flows in each branch?

0.125

72

8

6.0

#47. A total of 18 A is equally divided among 2 parallel branches. How much current flows in each branch?

36

0.1111111111111111

9

6.0

#48. A total of 30 A is equally divided among 5 parallel branches. How much current flows in each branch?

6

150

5.0

0.16666666666666666

#49. If 10 outlets require 30 feet of cable, how many feet are needed for 15 outlets at the same rate?

43

450

15

45

#50. If 8 outlets require 24 feet of cable, how many feet are needed for 16 outlets at the same rate?

40

384

8

48

#51. A safety rule states: ‘Do not work alone when performing tasks with a high risk of shock or arc flash.’ What should a worker do?

Work alone to avoid distractions

Arrange for another qualified person to be present

Ask a passerby to check in at the end of the day

Begin work and call someone only if a problem occurs

#52. A memo says: ‘Secure all extension cords above walkways when possible.’ What is the main purpose?

To store extra cords overhead

To keep cords out of walking paths and reduce tripping hazards

To make cords easier to see in photos

To keep cords closer to the ceiling lights

#53. A job instruction reads: ‘Verify panel schedules match actual circuit connections.’ What should be done?

Ignore discrepancies between labels and circuits

Check that each panel label accurately reflects the circuit it controls

Label only the first few circuits

Rewrite the schedule from memory

#54. A procedure states: ‘Inspect personal protective equipment before each use.’ What is required?

Use PPE until it fails during work

Share PPE without checking fit

Check PPE for damage and defects before using it

Inspect PPE only when it is new

#55. A written policy says: ‘Only trained personnel may operate man lifts.’ What must an untrained worker do?

Practice using the lift after hours

Avoid operating the man lift until properly trained

Operate the lift slowly without training

Ask a coworker to operate it remotely

#56. A notice reads: ‘Store heavy items on lower shelves.’ What is the main reason for this requirement?

To keep shelves looking symmetrical

To keep lighter items close to the floor

To make it easier to count inventory

To reduce the risk of items falling and causing injury

#57. A toolbox talk states: ‘Always identify all energy sources before beginning lockout/tagout.’ What should workers do?

Lock out only the main breaker

Rely on tags but not on locks

Ignore secondary control circuits

Determine every source of energy that needs to be controlled

#58. A safety bulletin says: ‘Use caution when working near overhead power lines.’ What is the safest practice?

Work as close as possible for efficiency

Maintain required clearance distances from overhead lines

Touch lines briefly to ensure they are insulated

Ignore clearance rules if wearing gloves

#59. A job briefing notes: ‘All hot work must have a current permit posted.’ What should workers ensure?

Permits are completed after the work is finished

Permits are used only for welding, not grinding

Permits are optional if the shift is short

A valid hot-work permit is posted before starting hot work

#60. A written instruction says: ‘Use only nonconductive tools when working inside live panels.’ What must be done?

Use any available tools for speed

Use metal tools with insulated handles only

Select tools designed to minimize electrical conduction

De-energize the panel instead of using tools

#61. A safety guideline reads: ‘Report unusual sounds or smells from electrical equipment.’ What is expected?

Wait to see if the smell goes away

Ignore unusual signs until failure occurs

Notify supervision when equipment seems abnormal

Turn up the radio to cover sounds

#62. A checklist item states: ‘Confirm all temporary barriers are removed after work is complete.’ What must be checked?

That more barriers are added for decoration

That cones, tape, and signs used for the task are taken down

That barriers are moved to another job without notice

That barriers remain to block other trades

#63. A panel has breakers rated 15 A, 20 A, 20 A, and 25 A. What is the total of the breaker ratings?

75

80

85

70

#64. A conduit run is 42 feet long. If 13 feet are removed, how many feet of conduit remain?

28

30

26

29

#65. An apprentice installs 11 fixtures each day for 4 days. How many fixtures are installed in total?

48

42

44

40

#66. A job requires 63 outlets to be installed evenly on 3 floors. How many outlets go on each floor?

24

18

21

20

#67. A worker spends 1.75 hours on layout, 3 hours on installation, and 1.25 hours on cleanup. How many hours are worked in total?

6.0

5.75

6.5

5.5

#68. Three resistors of 6 Ω, 8 Ω, and 12 Ω are connected in series. What is the total resistance?

30

26

24

20

#69. A cord reel contains 85 feet of cord. If 31 feet are pulled out, how many feet remain on the reel?

50

49

54

60

ARE YOU READY?

LET’S PRACTICE!

Results

#1. A spool contains 45 feet of wire. If 2/3 of the wire is used, how many feet are used?

#2. A spool contains 36 feet of wire. If 3/4 of the wire is used, how many feet are used?

#3. A spool contains 50 feet of wire. If 1/5 of the wire is used, how many feet are used?

#4. A spool contains 80 feet of wire. If 4/5 of the wire is used, how many feet are used?

#5. A weekly material budget of $200 is increased by 10%. What is the new budget?

#6. A weekly material budget of $150 is increased by 15%. What is the new budget?

#7. A weekly material budget of $240 is reduced by 20%. What is the new budget?

#8. A weekly material budget of $180 is reduced by 25%. What is the new budget?

#9. Solve for x: 3x + 5 = 26

#10. Solve for x: 4x + 8 = 32

#11. Solve for x: 5x − 7 = 38

#12. Solve for x: 6x − 10 = 38

#13. An order includes 4 light fixtures at $18 each and 10 switches at $6 each. What is the total cost?

#14. An order includes 5 light fixtures at $15 each and 12 switches at $4 each. What is the total cost?

#15. A worker buys 6 receptacles at $10 each. What is the total cost?

#16. A worker buys 9 switches at $8 each. What is the total cost?

#17. A worker buys 14 lamps at $6 each. What is the total cost?

#18. A service van travels at 40 miles per hour for 3 hours. How many miles does it travel?

#19. A service van travels at 55 miles per hour for 2.5 hours. How many miles does it travel?

#20. A service van travels at 65 miles per hour for 1.5 hours. How many miles does it travel?

#21. A job site is 90 miles away. If the van averages 45 mph, how long does the trip take?

#22. A job site is 120 miles away. If the van averages 60 mph, how long does the trip take?

#23. The current (amps) readings are 10, 12, 11, 13. What is the average current (amps)?

#24. The voltage (volts) readings are 118, 121, 119, 122. What is the average voltage (volts)?

#25. The ratio of apprentices to journeymen is 2:3. If there are 25 workers, how many are apprentices?

#26. The ratio of electricians to helpers is 3:4. If there are 35 workers, how many are electricians?

#27. Find the next number in the sequence: 6, 9, 12, 15, 18, ?

#28. Find the next number in the sequence: 9, 13, 17, 21, ?

#29. Find the next number in the sequence: 7, 12, 17, 22, ?

#30. Evaluate: 5 + 4 × 6 + 2

#31. Evaluate: 7 + 3 × 5 + 4

#32. Evaluate: (8 + 2) × 7 − 5

#33. Evaluate: (6 + 5) × 4 − 3

#34. An electrician pulls cable at 14 feet per hour. How many feet can be pulled in 4 hours?

#35. An electrician pulls cable at 18 feet per hour. How many feet can be pulled in 3 hours?

#36. Two workers pull cable at 12 and 10 feet per hour. Working together for 4 hours, how many feet do they pull?

#37. Two workers pull cable at 16 and 14 feet per hour. Working together for 3 hours, how many feet do they pull?

#38. Resistors of 4 Ω, 7 Ω, 9 Ω are in series. What is the total resistance?

#39. Resistors of 5 Ω, 6 Ω, 8 Ω are in series. What is the total resistance?

#40. A circuit has 4 A of current through a 20 Ω resistor. What is the voltage across it?

#41. A circuit has 5 A of current through a 18 Ω resistor. What is the voltage across it?

#42. A 48 V source is applied across a 12 Ω load. What is the current?

#43. A 36 V source is applied across a 9 Ω load. What is the current?

#44. A circuit draws 12 A at 120 V. What is the resistance of the circuit?

#45. A circuit draws 6 A at 96 V. What is the resistance of the circuit?

#46. A total of 24 A is equally divided among 3 parallel branches. How much current flows in each branch?

#47. A total of 18 A is equally divided among 2 parallel branches. How much current flows in each branch?

#48. A total of 30 A is equally divided among 5 parallel branches. How much current flows in each branch?

#49. If 10 outlets require 30 feet of cable, how many feet are needed for 15 outlets at the same rate?

#50. If 8 outlets require 24 feet of cable, how many feet are needed for 16 outlets at the same rate?

#51. A safety rule states: ‘Do not work alone when performing tasks with a high risk of shock or arc flash.’ What should a worker do?

#52. A memo says: ‘Secure all extension cords above walkways when possible.’ What is the main purpose?

#53. A job instruction reads: ‘Verify panel schedules match actual circuit connections.’ What should be done?

#54. A procedure states: ‘Inspect personal protective equipment before each use.’ What is required?

#55. A written policy says: ‘Only trained personnel may operate man lifts.’ What must an untrained worker do?

#56. A notice reads: ‘Store heavy items on lower shelves.’ What is the main reason for this requirement?

#57. A toolbox talk states: ‘Always identify all energy sources before beginning lockout/tagout.’ What should workers do?

#58. A safety bulletin says: ‘Use caution when working near overhead power lines.’ What is the safest practice?

#59. A job briefing notes: ‘All hot work must have a current permit posted.’ What should workers ensure?

#60. A written instruction says: ‘Use only nonconductive tools when working inside live panels.’ What must be done?

#61. A safety guideline reads: ‘Report unusual sounds or smells from electrical equipment.’ What is expected?

#62. A checklist item states: ‘Confirm all temporary barriers are removed after work is complete.’ What must be checked?

#63. A panel has breakers rated 15 A, 20 A, 20 A, and 25 A. What is the total of the breaker ratings?

#64. A conduit run is 42 feet long. If 13 feet are removed, how many feet of conduit remain?

#65. An apprentice installs 11 fixtures each day for 4 days. How many fixtures are installed in total?

#66. A job requires 63 outlets to be installed evenly on 3 floors. How many outlets go on each floor?

#67. A worker spends 1.75 hours on layout, 3 hours on installation, and 1.25 hours on cleanup. How many hours are worked in total?

#68. Three resistors of 6 Ω, 8 Ω, and 12 Ω are connected in series. What is the total resistance?

#69. A cord reel contains 85 feet of cord. If 31 feet are pulled out, how many feet remain on the reel?