Coast Guard Exam QUESTIONS
AND ANSWERS
deburred with a pipe reamer - correct answer ✔✔After using a pipe cutter to cut a piece of
pipe, the inside edge of the pipe should be?
pressure doesn't exceed 300 PSI - correct answer ✔✔carbon steel bolts can be rather than alloy
steel bolts to make up a flange if the normal operating. . .
inside diameter from 1/8 inch to 12 inches - correct answer ✔✔piping is sized by its nominal?
steel - correct answer ✔✔which of the listed materials have been used to manufacture piping
available in standard weight, extra strong, and double extra strong wall thickness?
plastic
copper
steel
all the above
250 psi 406 F - correct answer ✔✔Coast guard regulations permit copper pipe to be used for
steam service subjected to a max pressure and temp of?
piping under 3 inches nominal piping size need not to be hydrostatically tested. - correct answer
✔✔steam piping subject to main boiler pressure must be hydrostatically tested at specified
intervals. Therefore, which of the following statements is true?
-the piping must be tested at a P and T specified by a Coast Guard marine inspector
-the piping must be tested at 1 1/2 times working P every 4 years
, -piping under 3 inches nominal piping size need not to be hydrostatically tested.
-the piping must be tested at 2 times max allowable P every 4 years
size for threaded connections - correct answer ✔✔when renewing sections of pipe in a
hydraulic system, the nominal pipe size of the piping always indicates the?
taps - correct answer ✔✔internal pipe threads are cut with?
all but two or three threads are covered - correct answer ✔✔when pipe is properly screwed
into a tapped hole, it will give the correct fit when?
deck steam lines are subject to vibration from water hammer - correct answer ✔✔insulation on
deck steam piping must be installed securely because?
reduce heat loss from the system - correct answer ✔✔steam supply piping to deck machinery is
insulated in order to?
all have the same - correct answer ✔✔which pipe listed has the largest outside diameter if they
are all a 3/4" pipe
-standard wall thickness
-extra strong
-double extra strong
-all have the same
5/8 inch - correct answer ✔✔which of the listed pipe sizes is not commonly used?
3/8 inch
1/2 inch
5/8 inch
AND ANSWERS
deburred with a pipe reamer - correct answer ✔✔After using a pipe cutter to cut a piece of
pipe, the inside edge of the pipe should be?
pressure doesn't exceed 300 PSI - correct answer ✔✔carbon steel bolts can be rather than alloy
steel bolts to make up a flange if the normal operating. . .
inside diameter from 1/8 inch to 12 inches - correct answer ✔✔piping is sized by its nominal?
steel - correct answer ✔✔which of the listed materials have been used to manufacture piping
available in standard weight, extra strong, and double extra strong wall thickness?
plastic
copper
steel
all the above
250 psi 406 F - correct answer ✔✔Coast guard regulations permit copper pipe to be used for
steam service subjected to a max pressure and temp of?
piping under 3 inches nominal piping size need not to be hydrostatically tested. - correct answer
✔✔steam piping subject to main boiler pressure must be hydrostatically tested at specified
intervals. Therefore, which of the following statements is true?
-the piping must be tested at a P and T specified by a Coast Guard marine inspector
-the piping must be tested at 1 1/2 times working P every 4 years
, -piping under 3 inches nominal piping size need not to be hydrostatically tested.
-the piping must be tested at 2 times max allowable P every 4 years
size for threaded connections - correct answer ✔✔when renewing sections of pipe in a
hydraulic system, the nominal pipe size of the piping always indicates the?
taps - correct answer ✔✔internal pipe threads are cut with?
all but two or three threads are covered - correct answer ✔✔when pipe is properly screwed
into a tapped hole, it will give the correct fit when?
deck steam lines are subject to vibration from water hammer - correct answer ✔✔insulation on
deck steam piping must be installed securely because?
reduce heat loss from the system - correct answer ✔✔steam supply piping to deck machinery is
insulated in order to?
all have the same - correct answer ✔✔which pipe listed has the largest outside diameter if they
are all a 3/4" pipe
-standard wall thickness
-extra strong
-double extra strong
-all have the same
5/8 inch - correct answer ✔✔which of the listed pipe sizes is not commonly used?
3/8 inch
1/2 inch
5/8 inch
