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Reefer

CES Engine Reefer 25 questions

First 5 of 25 questions — with answers

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

  1. Question 1

    Code: BDYA08 An electrical power emergency source on ship is required because:
    • It satisfies the SOLAS (and other) requirement for the ship safety.
    • The main diesel generator(s) can be taken out of service for overhaul of repair.
    • The ship's total load can be shared between main and emergency generators.

  2. Question 2

    Code: EDWY51 Why is precooling of cargo is important?
    • If no precooling done cargo inside of container can be out of order already.
    • Reefer cannot be used to reach the desired temperature, cargo of a reefer container has to be brought to the desired temperature prior to loading.
    • Its save fuel. After loading onboard, vessel will not spend own fuel to bring temperature on required level.

  3. Question 3

    Code: XWUR53 How does a reefer container work?
    • Two generators from both side of the container blows air into the container.
    • The generator, placed on one side of the container, blows air into the container.

  4. Question 4

    Code: ONZM01 What is the reason for the superheat in reefer system?
    • Too much refrigerant in the system leading to overheat of the compressor.
    • Low quantity of refrigerant in evaporator.

  5. Question 5

    Code: INAK67 Which of the following should be used on an electrical fire (2 answers are correct).
    • CO2 extinguisher.
    • Dry powder extinguisher.
    • Water extinguisher.
    • Foam extinguisher.

Preview — 5 of 25 questions

You are seeing the first 5 questions with answers. Unlock the remaining 20 to study the whole test — online or offline.

About this CES test

Reefer is a CES test for the Engine department with 25 questions and verified answers. Common topics include: reefer container, code, system, electrical, work, compressor, emergency, reason.

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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