Module 1, Part 7 Additional Information Flashcards
What does the International radiotelephone alarm signal sound like?
It is a two tone warbling sound.
How is this signal used?
It precedes a distress signal if the alarm signal is available.
How long is the alarm signal sent?
Anywhere from thirty seconds to one minute.
What is an EPIRB?
It is an Emergency Position Indicating Radio Beacon
On what frequency do EPIRBs transmit?
They use the Search & Rescue frequency of 406.025 MHz.
What is a EPIB?
Emergency Position Indicating Buoy
Where should a lead acid battery be stored?
In a dry, well ventilated place.
How can you protect battery terminals from corrosion?
Coat them with petroleum jelly.
What is used to top up the electrolyte in an battery?
Distilled water.
What device is used to check the charge of a battery?
A hydrometer
What characteristic of a battery does a hydrometer measure?
The specific gravity
What is the maximum rate of charge (as a percentage of the ampere hour capacity of the battery) that one should allow?
20%
How must a battery be mounted in a boat?
So it is securely restrained to prevent motion and protected from falling objects.
Why must a battery compartment be ventilated?
Because a charging battery emits explosive gasses that must be dissipated.
What other precaution is needed because of the explosive gasses?
No smoking near the battery compartment.
