ESCO ELECTRICAL CERTIFICATION FINAL
PAPER UPDATED SCRIPT PREMIUM
QUESTIONS AND PREMIUM SOLUTIONS
FULLY REVIEWED
⩥ A.Opposition to alternating current.
Answer: What is impedance?
⩥ B.Repel each other.
Answer: Like charges will
⩥ B.A conductor.
Answer: Any material that will readily release electrons is called:
⩥ B. I.
Answer: The symbol for current is:
⩥ D. All the above
light
heat
magnetism.
,Answer: Electricity can produce:
⩥ B.Green.
Answer: The safety ground conductor is usually colored:
⩥ B.A negative charge.
Answer: An electron has:
⩥ D.Silicon.
Answer: Which of the following materials would be best suited for use
as a semi-conductor?
⩥ A.Ohmmeter.
Answer: Which of the following meters must use internal power to
check a load or circuit?
⩥ B.Only the control relay would operate.
Answer: What would be the result if a 24 volt, 20 ohm contactor coil
was wired in series with a 24 volt, 200 ohm control relay?
⩥ C. 2880.
Answer: Three defrost heaters, each 15 ohms, are wired in parallel to a
120 volt power supply. How many Watts are consumed?
, ⩥ B.Measure low resistance then return to a high reading.
Answer: When testing a capacitor with an analog or digital ohmmeter,
the meter should:
⩥ A.60 ohms.
Answer: How much resistance must be placed in a 120 volt circuit to
limit the current to 2 amps?
⩥ A.Opposition to electron flow.
Answer: What is resistance?
⩥ A. A hot conductor.
Answer: In electrical wiring, a black colored wire indicates:
⩥ D .2300.
Answer: How many watts are used by a heater operating on 460 volts
and drawing 5 amps?
⩥ D .Both A and B.
Answer: How are fuses sized?
⩥ A.5%.
PAPER UPDATED SCRIPT PREMIUM
QUESTIONS AND PREMIUM SOLUTIONS
FULLY REVIEWED
⩥ A.Opposition to alternating current.
Answer: What is impedance?
⩥ B.Repel each other.
Answer: Like charges will
⩥ B.A conductor.
Answer: Any material that will readily release electrons is called:
⩥ B. I.
Answer: The symbol for current is:
⩥ D. All the above
light
heat
magnetism.
,Answer: Electricity can produce:
⩥ B.Green.
Answer: The safety ground conductor is usually colored:
⩥ B.A negative charge.
Answer: An electron has:
⩥ D.Silicon.
Answer: Which of the following materials would be best suited for use
as a semi-conductor?
⩥ A.Ohmmeter.
Answer: Which of the following meters must use internal power to
check a load or circuit?
⩥ B.Only the control relay would operate.
Answer: What would be the result if a 24 volt, 20 ohm contactor coil
was wired in series with a 24 volt, 200 ohm control relay?
⩥ C. 2880.
Answer: Three defrost heaters, each 15 ohms, are wired in parallel to a
120 volt power supply. How many Watts are consumed?
, ⩥ B.Measure low resistance then return to a high reading.
Answer: When testing a capacitor with an analog or digital ohmmeter,
the meter should:
⩥ A.60 ohms.
Answer: How much resistance must be placed in a 120 volt circuit to
limit the current to 2 amps?
⩥ A.Opposition to electron flow.
Answer: What is resistance?
⩥ A. A hot conductor.
Answer: In electrical wiring, a black colored wire indicates:
⩥ D .2300.
Answer: How many watts are used by a heater operating on 460 volts
and drawing 5 amps?
⩥ D .Both A and B.
Answer: How are fuses sized?
⩥ A.5%.
