ESCO ELECTRICAL CERTIFICATION
EXAM WELL RESEARCHED
COMPLETE QUESTIONS WITH 100%
DETAILED VERIFIED AND CORRECT
ANSWERS ACTUAL BRAND-NEW
EXAM ALREADY GRADED A+
The symbol for current is: - ....ANSWER...B. I
Electricity can produce: - ....ANSWER...D. All the above
light
heat
magnetism
The safety ground conductor is usually colored: -
....ANSWER...B.Green
An electron has: - ....ANSWER...B.A negative charge
Which of the following materials would be best suited
for use as a semi-conductor? -
....ANSWER...D.Silicon
1
,Which of the following meters must use internal power
to check a load or circuit? -
....ANSWER...A.Ohmmeter
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? - ....ANSWER...B.Only the control relay would
operate
Three defrost heaters, each 15 ohms, are wired in
parallel to a 120 volt power supply. How many Watts
are consumed? - ....ANSWER...C. 2880
When testing a capacitor with an analog or digital
ohmmeter, the meter should: -
....ANSWER...B.Measure low resistance then return to a
high reading
How much resistance must be placed in a 120 volt
circuit to limit the current to 2 amps? -
....ANSWER...A.60 ohms
What is resistance? - ....ANSWER...A.Opposition to
electron flow
2
, In electrical wiring, a black colored wire indicates: -
....ANSWER...A. A hot conductor
What is the correct formula for determining wattage? -
....ANSWER...A.W = E x I
A parallel circuit consists of three resistors; R1 = 30
ohms, R2 = 15 ohms, R3 = 10 ohms. If the current
through R2 = 4 amps, what is the source voltage? -
....ANSWER...B.60 volts
Three 300 ohm resistors are wired parallel. What is the
total resistance? - ....ANSWER...A.100 ohms
Amps can be calculated by: -
A. E/R
B.W/E
C.The square root of W/R
3
EXAM WELL RESEARCHED
COMPLETE QUESTIONS WITH 100%
DETAILED VERIFIED AND CORRECT
ANSWERS ACTUAL BRAND-NEW
EXAM ALREADY GRADED A+
The symbol for current is: - ....ANSWER...B. I
Electricity can produce: - ....ANSWER...D. All the above
light
heat
magnetism
The safety ground conductor is usually colored: -
....ANSWER...B.Green
An electron has: - ....ANSWER...B.A negative charge
Which of the following materials would be best suited
for use as a semi-conductor? -
....ANSWER...D.Silicon
1
,Which of the following meters must use internal power
to check a load or circuit? -
....ANSWER...A.Ohmmeter
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? - ....ANSWER...B.Only the control relay would
operate
Three defrost heaters, each 15 ohms, are wired in
parallel to a 120 volt power supply. How many Watts
are consumed? - ....ANSWER...C. 2880
When testing a capacitor with an analog or digital
ohmmeter, the meter should: -
....ANSWER...B.Measure low resistance then return to a
high reading
How much resistance must be placed in a 120 volt
circuit to limit the current to 2 amps? -
....ANSWER...A.60 ohms
What is resistance? - ....ANSWER...A.Opposition to
electron flow
2
, In electrical wiring, a black colored wire indicates: -
....ANSWER...A. A hot conductor
What is the correct formula for determining wattage? -
....ANSWER...A.W = E x I
A parallel circuit consists of three resistors; R1 = 30
ohms, R2 = 15 ohms, R3 = 10 ohms. If the current
through R2 = 4 amps, what is the source voltage? -
....ANSWER...B.60 volts
Three 300 ohm resistors are wired parallel. What is the
total resistance? - ....ANSWER...A.100 ohms
Amps can be calculated by: -
A. E/R
B.W/E
C.The square root of W/R
3
