Question 1
Are all zener barriers polarity sensitive?
- Yes.
- No.
Exi Components in Ex Zone and Safe Zone
CBT 28 questions
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Question 2
Are there any direct electric connection between the IS side and the non-IS side of a Zener barrier?- Yes.
- No.
Question 3
Are there any requirements for simple apparatus?- Yes.
- No.
- Only for Zone 0.
Question 4
Does all IS equipment have a T-class?- T-class not relevant for IS.
- Yes, all Ex equipment needs a T-class.
- No, only if intended to be installed in a zone.
Question 5
Does all IS equipment have polarity protection?- Only Zener barriers.
- Yes.
- No.
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About this CBT test
Exi Components in Ex Zone and Safe Zone is a CBT test with 28 questions and verified answers. Common topics include: zener barrier, galvanic isolator, safety parameters, equipment, side, minimum, safe, connection.
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