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IEC Midterm Exam 2024 Actual Questions with Verified Answers, 100% Guarantee Pass
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IEC Midterm Exam 2024 Actual Questions with Verified Answers, 100% Guarantee Pass
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IEC Midterm Exam.pdf file:///C:/Users/HP/Desktop/SSSSSSS/IEC%20Midterm%20ExamIEC Midterm Exam Questions & Answers VERIFIED
1. In a 60 Hertz system, the voltage will go to "0" times per second?
ANS 120
2. What type of magnet is used for the coil in a relay?
ANS electromagnet
3. flow equals current flow.
ANS electron
4. law states "charged bodies attract or repel each other with a force that is directly
proportional to the product of the charges and inversely proportional to the square of the
distance between them."
ANS Coulomb's
5. If the RMS value is 125 volts, what is the peak value?
ANS 176.75
6. Which of the symbols, shown below, is used to represent an inductor in a schematic
circuit?
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ANS one that looks like a curly fry
7. Electrical current is the flow of .
ANS electrons
8. Which of the formulas, shown below, is correct to find the total of three capacitors
in a series circuit?
ANS CT=1/(1/C1 + 1/C2 + 1/C3)
9. Which of the formulas, shown below, is correct to find the equivalent of three inductors in
a parallel circuit?
ANS LT=1/(1/L1 + 1/L2 + 1/L3)
10. Compliance with Lockout/Tagout prevents an estimated fatalities each
year.
ANS 120
11. A lockout can be removed by .
ANS only the person who applied it
12. Use only Lockout/Tagout devices authorized for the particular equipment. These
devices are to be .
ANS I, II & III
13. OSHA's Lockout/Tagout standards outline required measures for control- ling
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hazardous energies.
ANS all of these
14. Insure that Lockout/Tagout devices identify the .
ANS individual
15. is the property of an electrical circuit that opposes any change in current.
ANS Inductance
16. In an AC circuit containing resistance plus inductance, or resistance plus capacitance,
or resistance plus inductance and capacitance, the opposition to current flow is called .
ANS impendance
17. The presence of inductive reactance in a circuit affects current flow.What is the
designated symbol for inductive reactance?
ANS XL
18. In an inductive circuit, the current the applied voltage.
ANS lags
19. Impedance is represented by the letter .
ANS z
20. In a purely capacitive circuit, current is said to the applied source
voltage.
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