Search found 4 matches
- Sun Mar 23, 2008 5:22 pm
- Forum: Training Room
- Topic: New 2nd class motor question
- Replies: 5
- Views: 7454
New 2nd class motor question
I recently wrote the 2nd class motor exam and came accross one of the new questions. "Describe a gas turbine powered water jet propulsion system. How is the shaft speed of the turbine reduced to that required by the water jet impeller? What are the advantages of this system over that of a conve...
- Sun Mar 23, 2008 4:50 pm
- Forum: Training Room
- Topic: First Class motor question
- Replies: 24
- Views: 25349
- Sat Jan 12, 2008 9:34 am
- Forum: Training Room
- Topic: 2nd Class Boiler Question
- Replies: 7
- Views: 9625
- Mon Jan 07, 2008 5:33 pm
- Forum: Training Room
- Topic: 2nd Class Boiler Question
- Replies: 7
- Views: 9625
2nd Class Boiler Question
I'm studying up for my 2nd class general engineering exam, and I've come across a question about operating a boiler with seawater feed. "At what density would a boiler be operated if salt water had to be used and what would be the result?" I've found that the the ppm should be maintained a...