COMPETENCE 3 – Use Internal Communications Systems
Results
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#1. A VHF transmission range is mainly determined by:
Incorrect!
#2. Acoustic feedback can arise:
Incorrect!
#3. A radio-wave travels in the air at a speed of:300.000 meters per second
Incorrect!
#4. A VHF transmission range is mainly restricted by:
Incorrect!
#5. Before a mariphone is installed on board:
Incorrect!
#6. All ships with periodically unattended machinery plants shall, in addition to the general alarm required by Coast Guard Regulations (46 CFR), be provided with a/an :
Incorrect!
#7. A wire aerial for an MF/HF –transmitter must be suspended between isolators:
Incorrect!
#8. A polarization of a radio wave is determined by a:
Incorrect!
#9. According to the “Regulation and Restrictions” of the mariphone license, the mariphone:
Incorrect!
#10. Automatic amplifier regulation is used to:
Incorrect!
There are 10 questions for the actual examination for Competence 3 for OIC-EW with a passing rate of 70%. This means that you are only allowed to make 3 mistakes.
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