ELE 146 UPDATED ACTUAL Exam
Questions and CORRECT Answers
Contacts are used in: - CORRECT ANSWER - Contactors
Who should remove a lock-out / tag-out? - CORRECT ANSWER - Only the person who
installed it
Which of the following is not a rule of drawing a ladder diagram? - CORRECT
ANSWER - At least 2 loads per line
The contact shown in the figure is a(n) ___________ ? - CORRECT ANSWER - True
One application of interlocking is to cause both the forward and reverse coils of a reversing
contactor to be energized at the same time. - CORRECT ANSWER - False
A Hand-Off-Automatic (H-O-A) circuit requires a selector switch with __________ positions. -
CORRECT ANSWER -3
A __________ is often used to allow an operator or technician to change a machine from the
automatic mode to the manual mode. - CORRECT ANSWER - Selector switch
When batteries are wired in Series, you are increasing the Voltage. - CORRECT
ANSWER - True
A disconnect is a switch that will: - CORRECT ANSWER - Manually remove power from
a circuit or apply power to a circuit
To quickly determine if a circuit is hot, what is the simplest tool to use? - CORRECT
ANSWER - Voltage meter
, The measured unit of electromotive force is a __________. - CORRECT ANSWER - Volt
What are the three fundamental particles contained in atoms? - CORRECT ANSWER -
Protons, electrons and neutrons.
Which particle has a negative charge? - CORRECT ANSWER - Electrons
What unit is used to measure resistance? - CORRECT ANSWER - Ohms
. What device allows current to flow in only one direction? - CORRECT ANSWER -
Diode
What type of fuel is used to produce the most amount of electricity? - CORRECT
ANSWER - Coal
What electrical devices consume the largest share of produced electricity? - CORRECT
ANSWER - 3 phase motors
Voltage is measured in volts (V), but what letter is used to represent voltage? - CORRECT
ANSWER -E
What device converts AC voltage to DC voltage? - CORRECT ANSWER - rectifier
What are the two types of AC voltage? - CORRECT ANSWER - single phase AC, three
phase AC
. Current is measured in amperes (A), but what letter is used to represent current? - CORRECT
ANSWER -I
Questions and CORRECT Answers
Contacts are used in: - CORRECT ANSWER - Contactors
Who should remove a lock-out / tag-out? - CORRECT ANSWER - Only the person who
installed it
Which of the following is not a rule of drawing a ladder diagram? - CORRECT
ANSWER - At least 2 loads per line
The contact shown in the figure is a(n) ___________ ? - CORRECT ANSWER - True
One application of interlocking is to cause both the forward and reverse coils of a reversing
contactor to be energized at the same time. - CORRECT ANSWER - False
A Hand-Off-Automatic (H-O-A) circuit requires a selector switch with __________ positions. -
CORRECT ANSWER -3
A __________ is often used to allow an operator or technician to change a machine from the
automatic mode to the manual mode. - CORRECT ANSWER - Selector switch
When batteries are wired in Series, you are increasing the Voltage. - CORRECT
ANSWER - True
A disconnect is a switch that will: - CORRECT ANSWER - Manually remove power from
a circuit or apply power to a circuit
To quickly determine if a circuit is hot, what is the simplest tool to use? - CORRECT
ANSWER - Voltage meter
, The measured unit of electromotive force is a __________. - CORRECT ANSWER - Volt
What are the three fundamental particles contained in atoms? - CORRECT ANSWER -
Protons, electrons and neutrons.
Which particle has a negative charge? - CORRECT ANSWER - Electrons
What unit is used to measure resistance? - CORRECT ANSWER - Ohms
. What device allows current to flow in only one direction? - CORRECT ANSWER -
Diode
What type of fuel is used to produce the most amount of electricity? - CORRECT
ANSWER - Coal
What electrical devices consume the largest share of produced electricity? - CORRECT
ANSWER - 3 phase motors
Voltage is measured in volts (V), but what letter is used to represent voltage? - CORRECT
ANSWER -E
What device converts AC voltage to DC voltage? - CORRECT ANSWER - rectifier
What are the two types of AC voltage? - CORRECT ANSWER - single phase AC, three
phase AC
. Current is measured in amperes (A), but what letter is used to represent current? - CORRECT
ANSWER -I
