IG MARITIMEMade by Seafarers for Seafarers

All international training tests on IG MARITIME are free for every seafarer. Register once to save your progress and prepare for your next voyage without limits!

RO-ITE 04

Search this section

Choose a question set and start learning or take an exam.

About this collection

The ANR bank contains many sets with original names and codes, including navigation, safety and equipment topics. Select a module by name or use question search.

“ANR — 24_MIMB — RO-ITE 04” contains 29 questions across 1 collection.

Learning

Learning mode has no timer. After answering, you see feedback and the correct options. You can return to a question and repeat a topic.

Exam

A practice exam lasts up to 60 minutes and includes up to 50 questions from the selected collection. Correct answers and results appear after completion.

Sample questions and answers

These examples come from the published collection. Choose Learning to study questions in sequence, or Exam to check your knowledge.

Care din urmatoarele conditii pot cauza o presiune foarte scazuta de aspiratie a unui compresor frigorific:

One correct answer

  • insuficienta apa de racire in condensor;
  • sistemul contine o cantitate mica de agent frigorific;✓ Correct answer
  • valvula electromagnetica a unei camere frigorifice e blocata in pozitia deschis;
  • presostatul de protectie, pe presiune maxima e blocat.
Care din agentii frigorifici se descompun producand fosgen sub forma de gaz atunci cand sunt supusi unei temperaturi ridicate provenite de la o flacara deschisa sau de la un element de incalzire electric ?

One correct answer

  • CO2;
  • clorura de metil;
  • R-22;✓ Correct answer
  • Bioxid de sulf.
Cand un compresor frigorific are presiunea de refulare mare, ca rezultat al supraincarcarii cu agent frigorific trebuie sa:

One correct answer

  • cresteti cantitatea apei de racire din condensor;
  • descresteti cantitatea de apa de racire a condensorului;
  • completezi agent frigorific in sistem;
  • scoti agent frigorific din sistem.✓ Correct answer
Amoniacul este valoros cand este folosit ca agent frigorific datorita randamentului sau inalt, cu toate acestea este:

One correct answer

  • toxic;
  • inflamabil;
  • exploziv;
  • toate de mai sus.✓ Correct answer
In timpul functionarii unui sistem frigorific multicompartimentat, utilizand un compresor cu debit fix, numai doua din cinci compartimente sunt racite. Daca doua compartimente aditionale ar trebui aduse simultan in procesul de racire, atunci :

One correct answer

  • presiunea de refulare ar scadea cu 25 psi la inceputul perioadei de racire;
  • volumul de subracire a condensatorului ar creste cu aproximativ 5 grade F;
  • presiunea de aspiratie ar creste temporar cu cel putin 1 psi;✓ Correct answer
  • presiunea de aspiratie ar ramane la fel ca inainte de a fi adaugate compartimentele.

Before you start

Do I need to register to start?

Guest access lasts 23 minutes. Free registration lets you continue without limits, save progress and review mistakes in your account.

What language are the questions in?

Questions and answer options retain the language of the original bank. You can change the interface language separately.

Can I use my result as an official document?

No. This is independent practice. A result does not replace an examination, certificate or knowledge check by an authorised organisation.