Mariner Forum
Engine Forum
Discussion from mariners studying for their USCG license exams.
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Electricity: As shown in figure "A" of the illustration, with a digital multimeter set up as...0 replies
by sboston · Dec 19, 2016
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Electricity: When testing a capacitor with an digital multimeter set up as an ohmmeter, what...0 replies
by sboston · Dec 12, 2016
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Specializing Tests0 replies
by seanwk15 · Dec 10, 2016
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Electricity: If rotor-to-stator air gap readings for an electrical generating machine have ch...0 replies
by wayneandgaby · Dec 7, 2016
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Motor Plants and Auxiliary Boilers: Which of the following conditions is most likely to occur if the electric starte...0 replies
by luisyamz · Nov 26, 2016
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Engineering Safety: As first engineer, you are standing by the #3 deep fuel oil storage tank as a cr...0 replies
by dm1989 · Nov 21, 2016
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Upgrading from 2AE to 1AE1 replies
by Ragnar117 · Sep 21, 2016
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Refrigeration AC: The most cost-effective method of recovering refrigerant from a low-pressure chi...0 replies
by Harold H.B. Gunter · Sep 29, 2016
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Engine Room Managment Questions1 replies
by Mar-Gun · Sep 13, 2016
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Steam Plants: If a boiler generates saturated steam at 125.3 psig, how much heat is required t...1 replies
by magnussonshred · Sep 10, 2016
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Refrigeration AC: When recovering the remaining R-134a refrigerant from the centrifugal chiller sh...0 replies
by mattlarkin21 · Aug 28, 2016
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Refrigeration AC: If the needle and seat assembly is excessively eroded, the valve cage assembly c...0 replies
by mattlarkin21 · Aug 28, 2016
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Refrigeration AC: In the illustrated single zone HVAC system, what statement represents the relati...0 replies
by mattlarkin21 · Aug 28, 2016
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Refrigeration AC: The fluid used as a source of actuating power against the underside of the unloa...0 replies
by mattlarkin21 · Aug 28, 2016
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Gas Turbines: When working with gas turbine synthetic lube oil, which of the following safety...0 replies
by amcaninc · Aug 27, 2016
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Motor Plants and Auxiliary Boilers: The 3-position, 4-way directional control valve with a 30 bar output at "ee" as...0 replies
by mlevario · Jul 16, 2016
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Motor Plants and Auxiliary Boilers: Excluding line losses, how many distinct pressure drops will occur as sea water...0 replies
by smalengith · Jul 6, 2016
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General Subjects: Which lathe tool shown in the illustration would best be used on a work piece to...0 replies
by smalengith · Jul 4, 2016
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General Subjects: Which of the following statements is NOT a function of an effective vibration an...0 replies
by smalengith · Jul 4, 2016
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General Subjects: Which type of Marine Sanitation Device (MSD) is used solely for the storage of s...0 replies
by smalengith · Jul 4, 2016
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General Subjects: What is an example of an epicyclic gear?0 replies
by smalengith · Jul 4, 2016
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General Subjects: When should mechanical cleaning of feed water heater tubes be accomplished?0 replies
by smalengith · Jul 4, 2016
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General Subjects: When a reciprocating pump is operating at maximum speed, the cushioning valves s...0 replies
by smalengith · Jul 4, 2016
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General Subjects: The proper tool used for cutting new external threads is called a thread _______...0 replies
by smalengith · Jul 4, 2016
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Crankcase explosion covers0 replies
by bybymsn · Jun 29, 2016