EE98J STUDY GUIDE UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

EE98J STUDY GUIDE UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS

Question:
1. What is the K factor for copper conductors?
Answer:
12.9

Question:
2. What is the K factor for aluminum conductors?
Answer:
21.2

Question:
3. How many watts are in 1 horsepower?
Answer:
746 Watts

Question:
4. What is the frequency of a T.V. signal?
Answer:
6 MHz

Question:
5. What is the multiplier for a 10 degree conduit bend?
Answer:
5.76

Question:
6. What is the multiplier for a 15 degree conduit bend?
Answer:
3.86

Question:
7. What is the multiplier for a 22-1/2 degree conduit bend?
Answer:
2.61

Question:
8. What is the multiplier for a 30 degree conduit bend?
Answer:
2.0

Question:
9. What is the multiplier for a 45 degree conduit bend?

,Answer:
1.41

Question:
10. What is the penalty for a conduit offset angle greater than 5 degrees?
Answer:
-2 points

Question:
11. What is the penalty for a dogleg in a conduit bend?
Answer:
-2 points

Question:
12. What is the penalty for a kink in a conduit bend?
Answer:
-7 points

Question:
13. What is the hard hat rating required?
Answer:
20 kV

Question:
14. What is the voltage rating required for a switch with a box connected?
Answer:
600V

Question:
15. Who determines when listed equipment can be taken out of its listing?
Answer:
The AHJ (Authority Having Jurisdiction)

Question:
16. What is the formula for voltage drop in a 3-phase system?
Answer:
Vd = [ ■ 3 (K)(L)(I)] / CM

, Question:
17. What is the formula for total resistance in a series circuit?
Answer:
Rt = R1 + R2 + R3 + ...

Question:
18. What is the formula for total resistance in a parallel circuit with two resistors?
Answer:
Rt = (R1 * R2) / (R1 + R2)

Question:
19. What is the power factor formula?
Answer:
PF = Watts / (V * I * ■ 3 * eff) for 3-phase

Question:
20. What is the formula to solve for the maximum length between source and load?
Answer:
L = (Vd * CM) / (2 * K * I)

Question:
21. What is the penalty for a 1/4 inch to 1/2 inch conduit measurement error?
Answer:
-1 point

Question:
22. What is the penalty for a 1/2 inch to 1 inch conduit measurement error?
Answer:
-4 points

Question:
23. What is the penalty for a conduit measurement error greater than 1 inch?
Answer:
-7 points