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Cables, Cable Entry and IP-degree in Ex-area

CBT 17 questions

First 5 of 17 questions — with answers

The correct answer is marked. Unlock the rest to study the whole test, online or offline.

  1. Question 1

    A sheath metal Ex e junction box is located in an area exposed to vibrations and exposed to pressure washing, how would you carry out the installation?
    • By the use of a thru gland with sealing washer, serrated washer and lock nut.
    • By the use of a thru gland and lock nut.
    • By the use of a thru gland with sealing washer and lock nut.
    • By the use of a thru gland with serrated washer and lock nut.

  2. Question 2

    Considerations when selecting a compression gland?
    • Diameter of the braid and outer sheath.
    • Diameter of the inner sheath of the cable.
    • Diameter of inner sheath, braid and outer sheath of the cable.
    • Diameter of the outer sheath of the cable.

  3. Question 3

    During installation we discover that the equipment has been delivered with a M32 threaded hole and during planning we concluded that we needed a M25 cable gland for our cable. How can we resolve this issue?
    • By the use of a blanking plug, where we seal of the existing hole and drill and tap a new one.
    • By the use of a reducer.
    • By the use of an adapter.
    • We are not allowed to modify certified equipment, we have to order a new one.

  4. Question 4

    Ex certified cable gland has to be according to IEC 60079-0. With the regards to Ex d, which additional standard is applicable?
    • IEC 60079-1.
    • IEC 60079-14.
    • IEC 60079-17.
    • IEC 60079-7.

  5. Question 5

    For which protection concepts are breather and drains intended?
    • Ex d and Ex e.
    • Ex d and Ex i.
    • Ex e and Ex i.
    • Only for Ex e in a IIC gas atmosphere.

Preview — 5 of 17 questions

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About this CBT test

Cables, Cable Entry and IP-degree in Ex-area is a CBT test with 17 questions and verified answers. Common topics include: gland, cable, enclosure, sheath, area, installation, compression, achieve.

You can practise the free questions online — one at a time, with the correct answer — or unlock the whole test and download it to study offline, without internet.

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