SOLUTIONS
After using a pipe cutter to cut a piece of pipe, the inside edge of the pipe should be? -
✅✅✅CORRECT -deburred with a pipe reamer
carbon steel bolts can be rather than alloy steel bolts to make up a flange if the normal operating. . . -
✅✅✅CORRECT -pressure doesn't exceed 300 PSI
piping is sized by its nominal? - ✅✅✅CORRECT -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?
plastic
copper
steel
all the above - ✅✅✅CORRECT -steel
Coast guard regulations permit copper pipe to be used for steam service subjected to a max pressure
and temp of? - ✅✅✅CORRECT -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?
-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 - ✅✅✅CORRECT -piping under 3
inches nominal piping size need not to be hydrostatically tested.