Mariner Forum
Engine Forum
Discussion from mariners studying for their USCG license exams.
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Electricity: Two 100 watt light bulbs rated at 100 volts are connected in parallel across a 1...2 replies
by rsfcg16 · Mar 10, 2016
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Electricity: AC circuits can possess characteristics of resistance, inductance, and capacitan...2 replies
by winston11 · Jun 7, 2016
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Motor Plants and Auxiliary Boilers: An eight cylinder, four-stroke cycle, single acting diesel engine has a 650 mm b...1 replies
by gigem_das05 · May 25, 2017
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Electricity: As shown in the two-speed single winding three phase motor connection diagrams i...1 replies
by jwgkeohane · Apr 21, 2016
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Engineering Safety: A flat block placed under the end of a shore for the purpose of distributing pre...2 replies
by damienshe.10 · Sep 1, 2015
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Electricity: In referring to figure "F" of the illustration, what statement is true concernin...1 replies
by z-gib · Aug 23, 2015
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General Subjects: Which of the following statements represents the two major functions provided by...1 replies
by smalengith · Jul 4, 2016
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General Subjects: Referring to the illustrated single zone HVAC system diagram, what statement is...1 replies
by 11steinsj · Mar 11, 2016
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General Subjects: Suppose that a standard remote reading bourdon tube thermometer has a scale of 4...2 replies
by dm1989 · Nov 20, 2016
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Electricity: If the illustrated device in figure "B" has a step-up ratio of 10 to 1 what volt...1 replies
by sboston · Dec 12, 2016
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Electricity: A 440/110 V single phase transformer supplies a load of 5 kW at 0.8 power factor...4 replies
by gigem_das05 · Jun 1, 2017
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General Subjects: Consider the following training objective for a training session designed for tr...1 replies
by jimbo95 · Jun 5, 2018
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Electricity: From the information given in the illustration, what would be the maximum output...2 replies
by andrewmillar · Oct 8, 2017
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Electricity: A 440/110 V single phase transformer supplies a load of 5 kW at 0.8 power factor...1 replies
by maritimesailor · Oct 8, 2015
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General Subjects: In accordance with international MARPOL Annex V regulations and federal regulati...2 replies
by ktmaynard · Sep 12, 2016
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Engineering Safety: By definition, combustible liquids are liquids which __________.0 replies
by ladyofthesea85 · Dec 19, 2018
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Motor Plants and Auxiliary Boilers: Which of the following statements is true concerning the cetane number of diesel...1 replies
by finn · Feb 7, 2018
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General Subjects: Which of the instruments listed is used to measure the gauge of a piece of sheet...0 replies
by MGW · Oct 27, 2018
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Engineering Safety: You are part of a team to overhaul a fire that was just extinguished in the crew...0 replies
by TBird999 · Oct 23, 2018
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Electricity: Concerning figure "A" of the illustration, if the illustrated PLC ladder diagram...1 replies
by CMArower05 · Mar 17, 2015
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Electricity: As shown in figure "A" of the illustrated PLC sub-circuit, what type of circuit...4 replies
by Chris6 · May 21, 2015
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Electricity: Assuming the ladder diagram of figure "1" and the corresponding input/output dia...2 replies
by BergenAckerman · Oct 2, 2016
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General Subjects: In attempting to start the hydraulic pump drive motor of a horizontal electro-hy...1 replies
by winston11 · May 30, 2016
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General Subjects: For a pneumatic transmission system for instrumentation purposes, if a pneumatic...2 replies
by magnussonshred · Sep 14, 2016
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Electricity: When a self-excited alternator's field has lost its residual magnetism due to a...0 replies
by kevin235 · Aug 9, 2018