Mariner Forum
Engine Forum
Discussion from mariners studying for their USCG license exams.
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Expired / Refrigeration AC: In a refrigeration system, the valve shown in the illustration is used for what...1 replies
by Jlfles · Jun 22, 2015
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Expired / General Subjects: Referring to the illustrated motor ship fresh water cooling system drawing, what...1 replies
by Jlfles · Jun 22, 2015
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Electricity1 replies
by Thestempa26 · Jun 18, 2015
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Expired / Motor Plants and Auxiliary Boilers: The symbol with the output 'ee' shown in the illustration, is properly called a...0 replies
by Thestempa26 · Jun 15, 2015
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Electricity: What is the functional purpose of the 'MS 2' contacts in the hoist controller ci...1 replies
by sailorJ87 · Jun 6, 2015
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Motor Plants and Auxiliary Boilers: In the event of a crankcase rich oil mist to air mixture explosion, where the do...0 replies
by dlee15 · Jun 7, 2015
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Electricity: As shown in figure "A" of the illustration, what is true concerning the illustra...1 replies
by sailorJ87 · Jun 6, 2015
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Electricity: In referring to the graphs shown in the illustration, which of the following fig...1 replies
by sailorJ87 · Jun 6, 2015
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Expired / General Subjects: In accordance with international MARPOL Annex V regulations and federal regulati...0 replies
by LordVince69 · Jun 4, 2015
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Expired / General Subjects: What is an engine room bilge oily-water separator designed to do?1 replies
by sidpalmer · May 27, 2015
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Expired / General Subjects: Referring to the illustrated motor ship fresh water cooling system drawing, what...1 replies
by Thestempa26 · May 30, 2015
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Expired / General Subjects: Which of the figures in illustration GS-0080 would be used in conjunction with f...1 replies
by Thestempa26 · Jun 1, 2015
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General Subjects: As shown in the illustrated block diagram for a distributed automation system, w...1 replies
by sidpalmer · May 28, 2015
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Expired / General Subjects: Which of the screwdriver tips listed will fit screws with a four way or cross ty...2 replies
by dm1989 · Jan 6, 2015
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Expired / Refrigeration AC: If it is necessary to increase the operating head pressure of the refrigeration...1 replies
by sidpalmer · May 29, 2015
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Expired / General Subjects: Referring to the illustrated motor ship fresh water cooling system drawing, what...1 replies
by Thestempa26 · May 30, 2015
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Expired / General Subjects: Referring to the illustrated motor ship fresh water cooling system drawing, whic...1 replies
by Thestempa26 · May 30, 2015
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Expired / General Subjects: Both existing centrifugal cooling water pumps will be replaced by two of a highe...2 replies
by CMArower05 · Mar 16, 2015
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Expired / General Subjects: Referring to illustrated steam plant seawater cooling system drawing, what state...1 replies
by Thestempa26 · Jun 1, 2015
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Most Common Answers0 replies
by Shawn · May 22, 2015
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"search" option ? does it work or am I just stupid1 replies
by jdiesel · May 18, 2015
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Electricity: The turns ratio of the tapped step down transformer shown in figure "C" of the i...1 replies
by delgado2015 · May 20, 2015
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Expired / General Subjects: Which of the figures in illustration GS-0080 would be used in conjunction with f...3 replies
by bearcubs1962 · Jan 4, 2015
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Electricity: Which of the listed conditions occur when selection is made for 'third point hoi...0 replies
by delgado2015 · May 20, 2015
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Expired / General Subjects: Referring to the illustrated motor ship fresh water cooling system drawing, what...0 replies
by sidpalmer · May 19, 2015