Marine Electronics Exam Questions & Answers 100% Correct!

We need to be especially cautious when installing electronic equipment near a boats steering compass because of the possibility of _____________ interference - ANSWER-Magnetic Radio frequencies interference will cause a problem for devices operating at - ANSWER-Similar Frequencies Marine electronic equipment, especially equipment critical to boats, safe operation should be wired to a maximum of _________ voltage drop standard according to ABYC - ANSWER-3% According to the text, grounding equipment may help to mitigate - ANSWER-RFI issues The best choice of those given for VHF antenna dB rating on a powerboat will be - ANSWER-9dB When installing a depth sounder transducer, it is important to be certain of the face of the transducer is - ANSWER-parallel to the water surface always in contact with water not exposed to aerated water When installing a GPS antenna, it is important to maintain at least a _________ foot separation between the GPS antenna and any antennas from the radios that transmit a signal - ANSWER-3 foot Electrical noise from the boats power supplies a typical problem in many electronic installations providing a __________ from the main distribution panel is one strategy for getting rid of that noise - ANSWER-dedicated circuit Any wire with the current flowing through it will have a magnetic field surrounding it. The field is _____ - ANSWER-proportional to the amount of current VHF radios are regulated by - ANSWER-FCC The minimum amp circuit breaker that should be used to protect 120 volt water heater with a 1600 watt element will be rated at - ANSWER-15 amps When testing for excessive EMF emissions near a conductor or appliance the tool of choice is - ANSWER-Gauss Meter The primary problem with using a series circuit to supply multiple loads is - ANSWER-voltage drop through the circuit will be excessive The