As a Merchant Marine engineer you are the welder, machinist, pipefitter, electrician, diesel mechanic, air conditioning, refrigeration, hydraulic, and electronic technician. Did I leave anything out? When something brakes, WHAT EVER IT IS they call “CHIEF”, come to think of it there should be a...
Jet drives can be temperamental, and need to maintain close clearances to perform well. Too much clearance between the impeller and tunnel will cause cavition. Sand can be a problem, causing wear. Make sure parts are available. I am in the process of replacing 3 P-Jet units do to corrosion...
Old Dave thanks, your right on the money 8.184 is the correct USCG answer.
I'm writing a help file for a Merchant Marine chief engineer exam CD, (hawsepipe.net) taking question by question, writing a page on why the answer is what it is.
Thanks again
A section of 4.5 inch standard weight, seamless steel pipe, has a wall thickness of .355". When the pipe is bent into a 90° turn, the length of the outside edge of the curve will exceed the length of the inside edge of the curve by how many inches.
This is a question from the USCG Merchant...