ABYC ELECTRICAL STUDY 1 accurate Questions With Correct Solutions!

the reverse polarity indicator is an LED with 2 legs. One of these legs have a resistor of - ANSWER 25k Ohms 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 controls alternator field voltage isolator transformer - ANSWER cleans signal how much is the increase in torque for the capacitor - ANSWER 250% RPM modify - ANSWER from the govner commutator - ANSWER a slip ring that serves to reverse the direction in which an electrical current flows from the generator armature - ANSWER the iron the coil goes on excitation (ac alternator generators) - ANSWER on the rotor voltage - ANSWER difference in potiental for sailboats the top of the lighting rod should be - ANSWER 6in above everything else on the mast and filed to a sharp point independent breaker to - ANSWER activate inverter ohm meter reads - ANSWER amps AC only single phase - ANSWER needs netural ground fault - ANSWER if electricity leaks from intended paths in these 2 wires ( ac hot and neutral) battery isolator - ANSWER charge batteries with 1 alternator galvanic isolator - ANSWER blocks bad DC currents only at the source of power - ANSWER the neutral and ground should be connected the minimum amp circuit breaker that should be used to protect a 120v water heater circuit with a 1600-watt element would be rated at________amps. - ANSWER 15 when testing for excessive EMF emission near a conductor or appliance, the tool of choice - 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 based on this section, the most common electrical circuit problem in marine applications is - ANSWER unwanted open the primary by-product of excessive electrical resistance is - ANSWER heat one horsepower equals - ANSWER 746 watts excessive electrical resistance can be caused by - ANSWER undersized wires,loose connections and corrosion gauss meter - ANSWER helps detect sources of magnetic interference that affect electronic compasses,autopliots and others an intercircuit short circuit - ANSWER is one which unwanted conductors , such as an errant screw, completes a circuit in ways it wasn't designed to be connected time-domain reflectometer - ANSWER can pinpoint the location of short circuts and open circuits BASED ON ABYC STANDARDS, A 1,000 WATT 120VAC WATER HEATER, WHOSE SUPPLY CABLE HAS 105C THERMAL RATING, IS RUN OUTSIDE OF THE ENGINE ROOM AND IS NOT BUNDLED WITH ANY OTHER CONDUCTORS. WHAT MINIMUM SIZE WIRE GAUGE WILL BE REQUIRED TO SERVICE THIS CIRCUIT? - ANSWER 16 gauge WHICH OF THE FOLLOWING COMPONENTS DOES NOT REQUIRE OVERCURRENT PROTECTION? - ANSWER STARTER MOTOR 1. EXCESSIVE ELECTRICAL RESISTANCE CAN BE CAUSED BY: - ANSWER UNDERSIZED WIRE, LOOSE CONNECTIONS AND CORROSION Anodes used in cathodic protection systems shall be - ANSWER painted with a protective barrier coatingAnodes used in cathodic protection systems shall be - ANSWER painted with a protective barrier coating