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