Abyc exam stuvia Study guides, Class notes & Summaries

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 can be damaged by ____ in a three-phase power distribution system. -ANSWER - loss of voltage In the SO-Hertz world, the Three-Phase _(___) configuration is by far the most frequently used. -ANSWER - wye Three-Phase is a more efficient use of conductors. Given the same peak voltage betwe...

polyethylene - ANSWER-Potable Water Tank made of FDA - ANSWER-Potable Water Tank approved by siphon break - ANSWER-Seperating Potable water from other water sources reduce to 35-50 psi - ANSWER-Potable Water system pressure reduce to 75 psi - ANSWER-Pressure relief valves on hot water heaters corrosion resistant - ANSWER-Potable water contact materials shall be case - ANSWER-Grounding water heaters are connected to the anodes - ANSWER-Water heaters are equipped with circu...

ABYC Diesel Exam Questions and Answers 100% CorrectABYC Diesel Exam Questions and Answers 100% CorrectABYC Diesel Exam Questions and Answers 100% CorrectABYC Diesel Exam Questions and Answers 100% CorrectA dirty air filter may cause: -a decrease in fuel consumption -white exhaust smoke -a loss of power -hotter exhaust temperatures - ANSWER-a loss of power Diesel exhaust systems produce small amounts of a dangerous gas. The gas is: -carbon dioxide -carbon monoxide -sulfur dioxide -hydr...

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 grounding bus shall be connected to what? isolation transformer isolates all current crying AC system conductors and the AC drowning conductor, Polarization transformers do not isolate the AC groundin...

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 is a - ANSWER-Gauss Meter The primary problem with using a series circuit to supply multiple loads is that - ANSWER-voltage drop across each load will be excessive the most common electrical circuit problem in marine applications is - ANSWER...

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 is a - ANSWER Gauss Meter The primary problem with using a series circuit to supply multiple loads is that - ANSWER voltage drop across each load will be excessive the most common electrical circuit problem in marine applications is - ANSWER...

Black soot around the engine compartment openings might indicate: - ANSWER-Insufficient engine room ventilation 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 motor armature bearings are seizing what component is/are installed to provide proper...

ABYC Marine Electrical Exam Questions and Answers (Graded A) ABYC Marine Electrical Exam Questions and Answers (Graded A) ABYC Marine Electrical Exam Questions and Answers (Graded A) ABYC Marine Electrical Exam Questions and Answers (Graded A) If Voltage at shore power goes up under additional loads this is indicative of.... - ANSWER-Ground/ Neutral connection ELCI trips at how many mA? - ANSWER-30 miliamps @100 ms One horsepower = _________ Watts - ANSWER-746 watts Most common type o...

If Voltage at shore power goes up under additional loads this is indicative of.... - ANSWER-Ground/ Neutral connection ELCI trips at how many mA? - ANSWER-30 miliamps @100 ms 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 not exceed _____ ohms -...

A dirty air filter may cause: -a decrease in fuel consumption -white exhaust smoke -a loss of power -hotter exhaust temperatures - ANSWER-a loss of power Diesel exhaust systems produce small amounts of a dangerous gas. The gas is: -carbon dioxide -carbon monoxide -sulfur dioxide -hydrocarbon - ANSWER-carbon monoxide Which of the following type wet exhaust below the waterline? -phase cancellation muffler -waterlift -surge tube -inline muffler - ANSWER-waterlift Which of the f...