Cooling Systems Flashcards
State the machinery being cooled by the main propulsion cooling system
Gas turbine cooling
Plumber block emergency cooling
Main forced pub system cooling
Controllable pitch propeller cooling
State the machinery being cooled by the auxiliary cooling system
Diesel generators
Air conditioning plants
When would a cross connection between port and starboard be used
In an emergency
What temperature do white metal bearings melt at
115oc
What may happen if it’s not cooled correctly
Catching fire
Seizing
Wiping of the bearing
Why is FW used in a cooling system
Because salt water will corrode some of the machinery and or contaminate it
What definition of system is FW/SW
Fresh water is a closed loop system and salt water is an open loop system
When could the FW be connected to the sw
During maintenance or an emergency
Who’s permission is needed
MEOs
