Standards, Certification & Marking

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Standards, Certification & Marking
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About this collection

CompEx questions are organised into topic-based sets including Ex d, Ex e, Ex n and intrinsic safety. Select a subject to study at your own pace or complete a timed practice attempt.

“CompEx — Standards, Certification & Marking” contains 27 questions across 1 collection.

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11) The recommendations for the inspection of electrical systems in hazardous areas are given in which one of the following standards?

One correct answer

(I) BS EN50017;
(II) BS EN60079-17;✓ Correct answer
(III) BS EN50014;
(IV) BS EN60079-14.

7) The international abbreviation which is the equivalent of the ATEX Categories is?

One correct answer

(I) EPL;✓ Correct answer
(II) IEC;
(III) API;
(IV) UPS

6) The recommendations for the installation of electrical systems in hazardous areas are provided by which one of the following standards?

One correct answer

(I) BS EN60079-20;
(II) BS EN60079-17;
(III) BS EN60079-19;
(IV) BS EN60079-14.✓ Correct answer

17) Equipment for use in hydrogen where the EPL / Cat requirement is Gc / Cat 3 will be marked with which one of the following:

One correct answer

(I) Ex e IIB T4;
(II) Ex n II T4;✓ Correct answer
(III) Ex d IIB T5;
(IV) .Ex d IIAT5

4) The purpose of EU Directives such as ATEX 95 is to?

One correct answer

(I) Enable equipment to be produced more cheaply;
(II) Make EU border controls more secure;
(III) Enable EU nations develop their own standards;
(IV) Improve trade between EU nations through alignment of technical and legal requirements.✓ Correct answer

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