ELE 146 Exam with accurate detailed solutions ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Contacts are used in: - correct answer✔✔Contactors ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Who should remove a lock-out / tag-out? - correct answer✔✔Only the person who installed
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it
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Which of the following is not a rule of drawing a ladder diagram? - correct answer✔✔At
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least 2 loads per line ||\\//|| ||\\//|| ||\\//|| ||\\//||
The contact shown in the figure is a(n) ___________ ? - correct answer✔✔True
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One application of interlocking is to cause both the forward and reverse coils of a reversing
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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
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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
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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
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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
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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
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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
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
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
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