Proceedings Of The Marine

FAL 2012

Proceedings magazine is a communication tool for the Coast Guard's Marine Safety & Security Council. Each quarterly magazine focuses on a specific theme of interest to the marine industry.

Issue link: http://uscgproceedings.epubxp.com/i/85854

Contents of this Issue

Navigation

Page 89 of 94

Nautical Engineering Queries 1. Q Prepared by NMC Engineering Examination Team . $ RSHQ WKH GLVFKDUJH VHUYLFH YDOYH VHUYLFH SRUW E\ FORVLQJ WKH VHUYLFH YDOYH % FRQWLQXH WR EDFN VHDW WKH GLVFKDUJH VHUYLFH YDOYH E\ WXUQLQJ LW FORFNZLVH & RSHQ WKH GLVFKDUJH YDOYH VHUYLFH SRUW E\ FORVLQJ WKH VHUYLFH YDOYH DSSUR[LPDWHO\ õ WR ô D WXUQ ' RSHQ RQO\ WKH YDOYH FRQQHFWHG WR WKH GLVFKDUJH VHUYLFH ÀWWLQJ RQ WKH RXWOHW RI WKH NLQJ YDOYH 2. A degree of control over the speed of a slip ring induction motor can be obtained by what means? $ DGMXVWLQJ JRYHUQRU OLQNDJH % FKDQJLQJ WKH QXPEHU RI SKDVHV WR WKH PRWRU & LQVHUWLQJ UHVLVWDQFH LQWR WKH VWDWRU FLUFXLW ' LQVHUWLQJ UHVLVWDQFH LQWR WKH URWRU FLUFXLW 3. Most practical diesel engines today operate on a cycle that is a combination of the Diesel and Otto cycles. In this process, compression ignition . $ EHJLQV RQ D FRQVWDQW YROXPH EDVLV % EHJLQV RQ D FRQVWDQW SUHVVXUH EDVLV & HQGV RQ D FRQVWDQW YROXPH EDVLV ' EHJLQV DQG HQGV RQ D FRQVWDQW YROXPH EDVLV uestions In a refrigeration system, once the compound gauge manifold lines are attached to the service connections, you should ascertain that the valves on the gauge manifold are closed, and then www.uscg.mil/proceedings Fall 2012 Proceedings 87

Articles in this issue

Links on this page

Archives of this issue

view archives of Proceedings Of The Marine - FAL 2012