36433717
Questão 1
Questão
A fuse:
Responda
-
has a thin wire element
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Is used to protect circuits from a short circuit
-
Is a onetime device
-
all the above
Questão 2
Questão
A circuit breaker:
Responda
-
Is a onetime device
-
Is used to protect circuits from short circuit and overloading
-
Is used to protect circuits from a short circuit
-
All the above
Questão 3
Questão
How many milliamperes in one Ampere?
Responda
-
10
-
100
-
1000
-
10000
Questão 4
Questão
Convert .06 Amperes to mA
Responda
-
600 mA
-
60 mA
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6 mA
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6000 mA
Questão 5
Questão
In a work situation where an electrician's hands get wet while operating a portable drill, which
of the following would be true?
Responda
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Body resistance increases, and any shocks would be mild.
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Body resistance remains the same, and there is no danger as long as rubber boots are worn.
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Body resistance is substantially decreased and severe shock could occur.
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There is no danger as long as a three prong plug is used.
Questão 6
Questão
The amount of current it takes to cause ventricular fibrillation is:
Responda
-
5 milliamperes
-
100 milliamperes
-
1000-4300 milliamperes
-
10.000 milliamperes
Questão 7
Questão
Which of the following is considered an insulator?
Responda
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Glass
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Plastic
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Rubber
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All the above
Questão 8
Questão
Who publishes the Ontario Electrical Code?
Responda
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CSA
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The national Electrical Contractors Association
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The National Fire Protection Association
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The Department of Labor
Questão 9
Questão
The unit of measure of electrical force is the:
Responda
-
Ampere
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Volt
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Ohm
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Watt
Questão 10
Questão
Who enforces the Electrical Code in Ontario
Responda
-
CSA
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ESA
-
The Department of Labor
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The national Electrical Contractors Association
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