COAST GUARD EXAM QUESTIONS AND
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT!!!
After using a pipe cutter to cut a piece of pipe, the inside edge of the pipe
should be?
✓ Deburred with a pipe reamer
Carbon steel bolts can be used rather than alloy steel bolts to make up a
flange if the normal operating pressure doesn't exceed?
✓ 300 PSI
Piping is sized by its nominal?
✓ Inside diameter from 1/8 inch to 12 inches
Which of the listed materials have been used to manufacture piping available
in standard weight, extra strong, and double extra strong wall thickness?
✓ Steel
Coast Guard regulations permit copper pipe to be used for steam service
subjected to a max pressure and temp of?
✓ 250 PSI, 406°F
Steam piping subject to main boiler pressure must be hydrostatically tested at
specified intervals. Therefore, which of the following statements is true?
✓ Piping under 3 inches nominal piping size need not to be hydrostatically
tested.
, When renewing sections of pipe in a hydraulic system, the nominal pipe size of
the piping always indicates the?
✓ Size for threaded connections
Internal pipe threads are cut with?
✓ Taps
When pipe is properly screwed into a tapped hole, it will give the correct fit
when?
✓ All but two or three threads are covered
Insulation on deck steam piping must be installed securely because?
✓ Deck steam lines are subject to vibration from water hammer
Steam supply piping to deck machinery is insulated in order to?
✓ Reduce heat loss from the system
Which pipe listed has the largest outside diameter if they are all 3/4" pipe?
✓ All have the same (Standard wall thickness, extra strong, double extra
strong)
Which of the listed pipe sizes is not commonly used?
✓ 5/8 inch
Which of the following statements is correct regarding grades of pipe?
✓ Copper pipe is manufactured in 2 common grades
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT!!!
After using a pipe cutter to cut a piece of pipe, the inside edge of the pipe
should be?
✓ Deburred with a pipe reamer
Carbon steel bolts can be used rather than alloy steel bolts to make up a
flange if the normal operating pressure doesn't exceed?
✓ 300 PSI
Piping is sized by its nominal?
✓ Inside diameter from 1/8 inch to 12 inches
Which of the listed materials have been used to manufacture piping available
in standard weight, extra strong, and double extra strong wall thickness?
✓ Steel
Coast Guard regulations permit copper pipe to be used for steam service
subjected to a max pressure and temp of?
✓ 250 PSI, 406°F
Steam piping subject to main boiler pressure must be hydrostatically tested at
specified intervals. Therefore, which of the following statements is true?
✓ Piping under 3 inches nominal piping size need not to be hydrostatically
tested.
, When renewing sections of pipe in a hydraulic system, the nominal pipe size of
the piping always indicates the?
✓ Size for threaded connections
Internal pipe threads are cut with?
✓ Taps
When pipe is properly screwed into a tapped hole, it will give the correct fit
when?
✓ All but two or three threads are covered
Insulation on deck steam piping must be installed securely because?
✓ Deck steam lines are subject to vibration from water hammer
Steam supply piping to deck machinery is insulated in order to?
✓ Reduce heat loss from the system
Which pipe listed has the largest outside diameter if they are all 3/4" pipe?
✓ All have the same (Standard wall thickness, extra strong, double extra
strong)
Which of the listed pipe sizes is not commonly used?
✓ 5/8 inch
Which of the following statements is correct regarding grades of pipe?
✓ Copper pipe is manufactured in 2 common grades
