Coast Guard Exam Rated A+ Verified 2025
After using a pipe cutter to cut a piece of pipe, the inside edge of the pipe should be? -
ANSWER-deburred with a pipe reamer
allowances may be made for the expansion or contraction in piping by the use of
expansion joints or? - ANSWER-bends or loops in the line
before making up a flanged joint, you should? - ANSWER-be certain that the flanges
line up squarely
carbon steel bolts can be rather than alloy steel bolts to make up a flange if the normal
operating. . . - ANSWER-pressure doesn't exceed 300 PSI
Coast guard regulations permit copper pipe to be used for steam service subjected to a
max pressure and temp of? - ANSWER-250 psi 406 F
coast guard regulations prohibit which pipe fitting from being installed in fuel oil service
discharge piping? - ANSWER-street ells
coast guard regulations require that screw joints shall not be used in piping systems
where severe erosion, crevice corrosion, shock, or vibrations is expected to occur, nor
at temps over? - ANSWER-925 F
in accordance with coast guard regulations, a nonmetallic flexible hose, used in a non-
vital freshwater system, operating at 125 psi must be constructed... - ANSWER--to
withstand a hydrostatic test pressure of 188 psi
-with a fiber reinforcement
-in short reasonable lengths for the purpose of flexibility only.
insulation on deck steam piping must be installed securely because? - ANSWER-deck
steam lines are subject to vibration from water hammer
internal pipe threads are cut with? - ANSWER-taps
it is necessary to replace a branch suction section of bilge system piping within the
machinery space. The machinery space is 100' in length and 85' in breadth. The molded
depth of the bulkhead deck is 25'. Which of the listed pipe sizes should be used? -
ANSWER-4" (nominal size) schedule 80
joints in pipelines must be properly aligned before they are connected because? -
ANSWER-excessive strain on the joints will result if they are mis-aligned
pipe threads are cut with a taper to? - ANSWER-provide a leakproof fit
After using a pipe cutter to cut a piece of pipe, the inside edge of the pipe should be? -
ANSWER-deburred with a pipe reamer
allowances may be made for the expansion or contraction in piping by the use of
expansion joints or? - ANSWER-bends or loops in the line
before making up a flanged joint, you should? - ANSWER-be certain that the flanges
line up squarely
carbon steel bolts can be rather than alloy steel bolts to make up a flange if the normal
operating. . . - ANSWER-pressure doesn't exceed 300 PSI
Coast guard regulations permit copper pipe to be used for steam service subjected to a
max pressure and temp of? - ANSWER-250 psi 406 F
coast guard regulations prohibit which pipe fitting from being installed in fuel oil service
discharge piping? - ANSWER-street ells
coast guard regulations require that screw joints shall not be used in piping systems
where severe erosion, crevice corrosion, shock, or vibrations is expected to occur, nor
at temps over? - ANSWER-925 F
in accordance with coast guard regulations, a nonmetallic flexible hose, used in a non-
vital freshwater system, operating at 125 psi must be constructed... - ANSWER--to
withstand a hydrostatic test pressure of 188 psi
-with a fiber reinforcement
-in short reasonable lengths for the purpose of flexibility only.
insulation on deck steam piping must be installed securely because? - ANSWER-deck
steam lines are subject to vibration from water hammer
internal pipe threads are cut with? - ANSWER-taps
it is necessary to replace a branch suction section of bilge system piping within the
machinery space. The machinery space is 100' in length and 85' in breadth. The molded
depth of the bulkhead deck is 25'. Which of the listed pipe sizes should be used? -
ANSWER-4" (nominal size) schedule 80
joints in pipelines must be properly aligned before they are connected because? -
ANSWER-excessive strain on the joints will result if they are mis-aligned
pipe threads are cut with a taper to? - ANSWER-provide a leakproof fit
