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Questão 1
Questão
When used in control cable, which of the following must be grounded in order to be effective?
Responda
-
Crimp connectors
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Drain wires
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Screw terminals
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Conductors
Questão 2
Questão
When stripping conductors, be sure to _____.
Responda
-
make a chisel point on the conductor end
-
cut the insulation so that no frayed pieces or threads extend past the point of cutoff
-
retwist and tighten the wire strands
-
use cutting tools with jaws that butt against each other
Questão 3
Questão
A good electrical connection should _____.
Responda
-
have a resistance of no more than 25 ohms
-
have a resistance of no more than 13 ohms
-
last for approximately 90 days without any maintenance or repairs
-
be mechanically and electrically secure
Questão 4
Questão
How can you determine the wire size that can be used effectively with an insulated barrel crimp connector?
Responda
-
It is the same as the bolt or screw size permitted.
-
It is referenced by catalog number.
-
It is indicated by the color-coding of the insulation on the connector.
-
It is the largest size of wire you can fit into the barrel.
Questão 5
Questão
Stripped wire should be inserted into the barrel of the terminal until _____.
Responda
-
the insulation butts against the forward stop
-
the insulation is just inside the barrel
-
90% of the strands are inside the barrel
-
at least 1/8" of wire extends beyond the inspection hole
Questão 6
Questão
When installing mechanical connectors, which of the following is used to prevent the formation of surface
oxides?
Responda
-
An oxide-neutral joint compound
-
An oxide-promoting joint compound
-
An oxide-inhibiting joint compound
-
An oxide-stabilization joint compound
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