Marine exam stuvia - Study guides, Class notes & Summaries

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 ...

The lights on the outside of the canopy of an inflatable liferaft operate______ - ANSWERSAutomatically when the raft is inflated While adrift in an inflatable liferaft in hot, tropical weather - ANSWERSDeflating the floor panels may help to cool personnel When hoisting a boat on gravity type davits using an electric motor driven winch, the davit arm should be brought up - ANSWERSUntil just before they make contact with the limit switch, and then hand cranked to their final position What...

frequency - ANSWER -how often electrical potential alternates electrical potential - ANSWER -the difference in electrical charge between the battery's positive and negative terminal volts - ANSWER -units used to measure electrical potential. Voltage - ANSWER -the pressure or force available in an electrical circuit. Another definition of voltage describes it as a difference of potential from one point in the circuit to another. Hertz - ANSWER -unit of measure for frequency digita...

Chapter 2 Foundations of Marine Corps Leadership Leading Marines - ANSWER-Lead By Example, Marine Leaders responsible for the mental, moral, and physical welfare of those under their charge. Leadership traits, Morale, Discipline, Setting the Example, Taking Charge, Physical Courage, Moral Courage, Chapter 3 Leading Marines - ANSWER-Moral Challenge, Physical Challenge, Adaptability, Innovation, Decentralization, Indomitable will to win, Combat Power and winning. Chapter 1 Leading Marine...

1775 - ANSWER-The Marine Corps was created on 10 November 1775 in Philadelphia, Pennsylvania at Tun Tavern by a resolution of the Continental Congress, which "raised two battalions of Marines." Captain Samuel Nicholas became the commander of these two battalions and is traditionally considered the first Commandant of the Marine Corps. 1776 - ANSWER-The first Marine landing took place during the Revolutionary War. Marines invaded New Providence Island in the Bahamas and seized guns and suppl...

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 -ANSWER - .25 GFCI trips at _____mA -ANSWER - 5 ELCI needs to be with ____ feet of power inlet. -ANSWER - 10 ft When is it ok for Neutral and Ground to connect on boat? ...

Marine Science - ANSWER Process of discovering facts, processes, & unifying principles that explain nature of oceans & their associated life forms.; Involves physical, life & earth/space science How much of the oceans have humans seen? - ANSWER Very little of the ocean; about the size of a period on a page Who made the first recorded sea voyage? - ANSWER The Egyptians What did the Phoenicians do for marine science? - ANSWER Established first trade routes through mediterranean earliest ...

Ecosystem - ANSWER living organisms and the physical and chemical factors which influence them (abiotic and biotic components) Example: A rocky shore Habitat - ANSWER the place where organisms live Example: the area surrounding a hydrothermal vent Population - ANSWER consists of organisms of the same species, usually defined as living in the same area Example: a population of ghost crabs Community - ANSWER includes all the different species living in a habitat at the same time Spe...

from the west and blows toward east. Sea Level - ANSWER Average level of sea surface Gyre - ANSWER Single circular water flow in each ocean basin. Ekman Spiral - ANSWER Moving water transfers energy to layers underneath it, slightly to the right. Western Ocean Boundary Currents - ANSWER Along the Eastern edge of continent; narrow & fast. Eastern Ocean Boundary Currents - ANSWER Along the Western edge of continent, wide & shallow. Countercurrent - ANSWER Flows in direction oppos...

When using Ohm's law, if any two of the three values are known, the third value can be calculated by ___. A multiplication or division B addition or subtraction C taking the square root of the sum of the two values D finding the inverse of the highest known value - ANSWER -A multiplication or division If the voltage in a circuit is 12 volts and the resistance is 3 ohms, Ohm's law can be used to find that the rate of flow is ___ amps. A 9 B 6 C 4 D 2 - ANSWER -C. 4 If resistan...