ABYC Marine Electronics Exam Bundle Questions and Answers 100% Verified

In a delta configuration, the phase voltage is _____ the line voltage -ANSWER - equal to Three-phase power ______ than single-phase power -ANSWER - is more efficient Proper overcurrent protection for a three-phase motor requires -ANSWER - a triple-pole breaker Three-phase induction motors c...

if the engine does not achieve full rpm, what test would be the last to be performed? -ANSWER - compression check The exhaust blower switch is activated but the sound coming from the blower is not normal. After a period of time, the breaker trips. What is the most likely cause? -ANSWER - Blower m...

A -ANSWER - A true RMS voltmeter is required to accuralty check output voltage from a(n): A. non-sinusoidal output inverter B. Isolation transformer C. Inverter DC input D. Galvanic isolator C -ANSWER - An AC voltmeter is required at the panel if the boat is equipped with: A. A DC w...

higher voltage increased capacity - ANSWER -2 or More batteries connected in series provides_________, or in parallel to provide_________ hydrogen - ANSWER -Batteries gas of what the engine negative terminal or the DC main negative bus - ANSWER -If an AC system is installed the main AC system ...

The minimum amp circuit breaker that should be used to protect 120V water heater circuit with a 1600-watt element would be rated at _________ amps. A. 15 B. 10 C. 20 D. 30 - ANSWER -A. 15 When testing for excessive EMF emissions near a conductor or appliance, the tool of choice is a(an): A. ...

The minimum amp circuit breaker that should be used to protect 120V water heater circuit with a 1600-watt element would be rated at _________ amps. A. 15 B. 10 C. 20 D. 30 - ANSWER -A. 15 When testing for excessive EMF emissions near a conductor or appliance, the tool of choice is a(an): A. ...

Anodes used in cathodic protection systems shall be - ANSWER -painted with a protective barrier coating oil pressure and temperature gauges are - ANSWER -installed in series what type of element are in series - ANSWER -the switches voltage regulator ( inbetween output and breaker) - ANSWER ...

1. THE MINIMUM BATTERY RESERVE CAPACITY IN HOURS OR MINUTES FOR SUPPLIED BATTERY POWER IS_____BASED ON ABYC - ANSWER -90 MINUTES what is ohm's law the measure of - ANSWER -resistance 1. TECH A SAYS THAT A FAULTY CIRCUIT BREAKER COULD REQUIRE AN OVERHAUL. TECH B SAYS THAT CIRCUIT BREAKERS US...

Range of specific gravity in fully charged 12v battery? - ANSWER -1.260 to 1.285 Fully Charged battery is _____ volts. - ANSWER -12.6 Batteries create ______ gas. - ANSWER -Hydrogen Two twelve volt batteries in parallel will create ________ volts - ANSWER -12.6 (amperage doubles) Two 12V...

Insulated Metallic Hanger Clamps - ANSWER -What type of clamps are to be used for supporting wire bundles when routed over engines and machinery? 40 lbs (E-11 Table XV) - ANSWER -What tensile force must a 10 Gauge crimp connector withstand for one minute? 36 inches - ANSWER -What is the max al...

One horsepower = _________ Watts -ANSWER - 746 watts Most common type of circuit fault is? -ANSWER - unwanted open If Voltage increase then Amps _________? -ANSWER - increase If circuit resistance increases then Amps __________ -ANSWER - Decrease Resistance on grounding conductor should ...

Spark igntion Diesel Study Guide, Chapter 1 - ANSWER -Gasoline engines use what kind of ignition? Compression ignition Diesel Study Guide, Chapter 1 - ANSWER -Diesel engines use what kind of ignition? Gasoline engines Diesel Study Guide, Chapter 1 - ANSWER -Spark ignition are what kind of engi...

Polyethylene - ANSWER -What is the most often used materials for potable water systems? 1. Copper Alloys (incl. bronze, brass and nickel-copper) 2. AISI Type 300 series stainless steel 3. Glass-lined metal 4. FDA approved plastic 5. FDA approved rubber - ANSWER -Name 5 materials allowable fo...

B - ANSWER -Tubes are measured by: A. ID B. OD C. nominal size C - ANSWER -pipes may not be connected by: A. Welding B. Threaded fittings C. Compression fittings D. Glue C - ANSWER -Tech A says Seacocks must be readily accessible. Tech B say its ok to have them within 12" ...