Skip to content
MaritimeTest
Log in

Ex Inspection and Maintenance

CBT 30 questions

First 5 of 30 questions — with answers

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

  1. Question 1

    Are you allowed to bring your standard non-ex multimeter into a hazardous area?
    • No, this is not permitted under any circumstances.
    • No, you have to use an Ex i multimeter, with Ex e probes.
    • Yes, with a work permit in place and gas measurements of the actual area.
    • Yes, in zone 2 without any other precautions.

  2. Question 2

    Are you allowed to open an energized Ex e junction box in hazardous area without any other precautions?
    • No.
    • Yes, as long as you are indoors.
    • Yes, in zone 1 and zone 2.
    • Yes.

  3. Question 3

    For which protection concepts are there inspection tables for in the standard?
    • Ex d, e, n, t , Ex s and Ex q.
    • Ex d, e, n, t, Ex i and Ex p.
    • Ex d, e, n, t, Ex m and Ex o.
    • Ex d, e, n, t, Ex q and Ex o.

  4. Question 4

    How can you discover an unauthorized modification on an Ex i circuit board?
    • By checking the product standard for Ex i, IEC 60079-11.
    • It is not possible.
    • Un-original soldering compared to the rest of the circuit board.
    • This is an Ex i circuit, would not be reckoned as an unauthorized modification.

  5. Question 5

    How many inspection tables are there in the standard?
    • 2.
    • 3.
    • 4.
    • 5.

Preview — 5 of 30 questions

You are seeing the first 5 questions with answers. Unlock the remaining 25 to study the whole test — online or offline.

About this CBT test

Ex Inspection and Maintenance is a CBT test with 30 questions and verified answers. Common topics include: grade inspection, protection concepts, de-energize equipment, out, standard, inspections, installation, periodic.

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.

Related CBT tests