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TOTS 1B-Maintenance and Repair

CBT 56 questions

First 5 of 56 questions — with answers

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

  1. Question 1

    After the overhaul of a main bearing and after crankcase inspection, what needs to be done first before manoeuvring with the engine?
    • Blow through engine using Local/Manual control.
    • Blow through the engine from Control room to test controls.
    • Turn the engine on turning gear with the lub oil pump running.
    • Turn the engine on turning gear.

  2. Question 2

    An increase in main engine crankshaft deflection readings may be an indication of ...
    • Excessive wear of main bearing shells.
    • Excessive torsional stress.
    • Excessive wear of thrust bearings.
    • Excessive weight of piston and connecting rod.

  3. Question 3

    Crankshaft deflections are normally taken when the engine is ...
    • At any temperature.
    • Cold.
    • Hot.
    • Either hot or cold.

  4. Question 4

    During routine rounds of the main engine, you note that the pipe leading to one of the air start valves is hot. Do you?
    • Contact the bridge and request permission to stop immediately.
    • Advise the watch keepers to monitor it and report if the temperature increases.
    • Apply portable ventilators to cool the pipe down.
    • Attach a portable temperature gauge to record the temperature.

  5. Question 5

    Excessive crankshaft deflections are taken as an indication of ...
    • An engine misalignment or worn main bearings.
    • A bent crank shaft.
    • Only an engine misalignment.
    • Only worn main bearings.

Preview — 5 of 56 questions

You are seeing the first 5 questions with answers. Unlock the remaining 51 to study the whole test — online or offline.

About this CBT test

TOTS 1B-Maintenance and Repair is a CBT test with 56 questions and verified answers. Common topics include: main engine, crankshaft deflections, expect find, critical equipment, oil, pump, overhaul, air.

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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