ELE 146 Exam 2026 WITH 100%
ACCURATE ANSWERS
Contacts are used in: - Precise Answer ✔✔Contactors
Who should remove a lock-out / tag-out? - Precise Answer ✔✔Only the person who installed it
Which of the following is not a rule of drawing a ladder diagram? - Precise Answer ✔✔At least 2
loads per line
The contact shown in the figure is a(n) ___________ ? - Precise 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. - Precise Answer ✔✔False
A Hand-Off-Automatic (H-O-A) circuit requires a selector switch with __________ positions. -
Precise Answer ✔✔3
A __________ is often used to allow an operator or technician to change a machine from the
automatic mode to the manual mode. - Precise Answer ✔✔Selector switch
When batteries are wired in Series, you are increasing the Voltage. - Precise Answer ✔✔True
A disconnect is a switch that will: - Precise 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? - Precise Answer
✔✔Voltage meter
The measured unit of electromotive force is a __________. - Precise Answer ✔✔Volt
What are the three fundamental particles contained in atoms? - Precise Answer ✔✔Protons,
electrons and neutrons.
Which particle has a negative charge? - Precise Answer ✔✔Electrons
What unit is used to measure resistance? - Precise Answer ✔✔Ohms
. What device allows current to flow in only one direction? - Precise Answer ✔✔Diode
What type of fuel is used to produce the most amount of electricity? - Precise Answer ✔✔Coal
, What electrical devices consume the largest share of produced electricity? - Precise Answer
✔✔3 phase motors
Voltage is measured in volts (V), but what letter is used to represent voltage? - Precise Answer
✔✔E
What device converts AC voltage to DC voltage? - Precise Answer ✔✔rectifier
What are the two types of AC voltage? - Precise Answer ✔✔single phase AC, three phase AC
. Current is measured in amperes (A), but what letter is used to represent current? - Precise
Answer ✔✔I
. What are the two types of current? - Precise Answer ✔✔Alternating and direct
Resistance is measured in ohms (Ω), but what letter is used to represent resistance? - Precise
Answer ✔✔R
If resistance is increased in a circuit, does current increase or decrease? - Precise Answer
✔✔decreases
If 12 V is applied to a circuit that has a resistance of 500 Ω, how many milliamperes (mA) will
flow through the circuit? - Precise Answer ✔✔24 milliamperes (mA)
If 230 V and 6.25 A are measured in a heating element, how much resistance (in Ω) does the
heating element have? - Precise Answer ✔✔36.8 ohms
Which type of diagram helps when troubleshooting because it shows a logical path to take that
helps solve a problem? - Precise Answer ✔✔flow charts
Which type of diagram shows physical details, such as the length and height of an object, as
seen by the eye? - Precise Answer ✔✔pictorial drawing
Which type of diagram uses symbols to show the interconnections of components in electronic
circuits? - Precise Answer ✔✔schematic diagram
. Which type of diagram shows the logic of an electrical circuit drawn with vertical power lines
and circuit components drawn on horizontal lines between the power lines? - Precise Answer
✔✔line diagram
What are the five parts of a basic electrical circuit? - Precise Answer ✔✔power source,
conductor, control switch, protection device, load
What are the two basic types of circuit protection devices? - Precise Answer ✔✔circuit breakers
and fuses
In electrical switches, what do the abbreviations NO and NC stand for? - Precise Answer ✔✔O :
ACCURATE ANSWERS
Contacts are used in: - Precise Answer ✔✔Contactors
Who should remove a lock-out / tag-out? - Precise Answer ✔✔Only the person who installed it
Which of the following is not a rule of drawing a ladder diagram? - Precise Answer ✔✔At least 2
loads per line
The contact shown in the figure is a(n) ___________ ? - Precise 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. - Precise Answer ✔✔False
A Hand-Off-Automatic (H-O-A) circuit requires a selector switch with __________ positions. -
Precise Answer ✔✔3
A __________ is often used to allow an operator or technician to change a machine from the
automatic mode to the manual mode. - Precise Answer ✔✔Selector switch
When batteries are wired in Series, you are increasing the Voltage. - Precise Answer ✔✔True
A disconnect is a switch that will: - Precise 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? - Precise Answer
✔✔Voltage meter
The measured unit of electromotive force is a __________. - Precise Answer ✔✔Volt
What are the three fundamental particles contained in atoms? - Precise Answer ✔✔Protons,
electrons and neutrons.
Which particle has a negative charge? - Precise Answer ✔✔Electrons
What unit is used to measure resistance? - Precise Answer ✔✔Ohms
. What device allows current to flow in only one direction? - Precise Answer ✔✔Diode
What type of fuel is used to produce the most amount of electricity? - Precise Answer ✔✔Coal
, What electrical devices consume the largest share of produced electricity? - Precise Answer
✔✔3 phase motors
Voltage is measured in volts (V), but what letter is used to represent voltage? - Precise Answer
✔✔E
What device converts AC voltage to DC voltage? - Precise Answer ✔✔rectifier
What are the two types of AC voltage? - Precise Answer ✔✔single phase AC, three phase AC
. Current is measured in amperes (A), but what letter is used to represent current? - Precise
Answer ✔✔I
. What are the two types of current? - Precise Answer ✔✔Alternating and direct
Resistance is measured in ohms (Ω), but what letter is used to represent resistance? - Precise
Answer ✔✔R
If resistance is increased in a circuit, does current increase or decrease? - Precise Answer
✔✔decreases
If 12 V is applied to a circuit that has a resistance of 500 Ω, how many milliamperes (mA) will
flow through the circuit? - Precise Answer ✔✔24 milliamperes (mA)
If 230 V and 6.25 A are measured in a heating element, how much resistance (in Ω) does the
heating element have? - Precise Answer ✔✔36.8 ohms
Which type of diagram helps when troubleshooting because it shows a logical path to take that
helps solve a problem? - Precise Answer ✔✔flow charts
Which type of diagram shows physical details, such as the length and height of an object, as
seen by the eye? - Precise Answer ✔✔pictorial drawing
Which type of diagram uses symbols to show the interconnections of components in electronic
circuits? - Precise Answer ✔✔schematic diagram
. Which type of diagram shows the logic of an electrical circuit drawn with vertical power lines
and circuit components drawn on horizontal lines between the power lines? - Precise Answer
✔✔line diagram
What are the five parts of a basic electrical circuit? - Precise Answer ✔✔power source,
conductor, control switch, protection device, load
What are the two basic types of circuit protection devices? - Precise Answer ✔✔circuit breakers
and fuses
In electrical switches, what do the abbreviations NO and NC stand for? - Precise Answer ✔✔O :
