Vertical Distance from the waterline to the Main Deck
What is Freeboard?
A water wheel, steam, or wind spinning a turbine are all examples of this
What is a Prime Mover?
The conversion of vapor into usable fresh water by cooling
What is condensation?
Type of fire that produces ash and gray/ white smoke
What is a Class A fire?
What is B decay?
This property is only affected by mass and mass distribution of the floating body
What is Center of Gravity?
Three reasons AC may be preferable over DC
What is
Simplicity of design
Increased ruggedness and
greater dependability of A.C.
generators' and motors
Reduced requirements for
motor control equipment
Decrease in motor and
generator spare parts
Reduction in the number of
motor generators
Economy in the maintenance of
the plant
Increased efficiency in
operation
Elimination of sparking
commutators
Absence of electrolytic action
from stray currents
Reduction of magnetic
disturbing effects on the
magnetic compass.
High Pressure air pulled from the gas generator side of a turbine for use in other systems
What is Bleed Air?
Two Divo Responsibilities of the 3M program
What are
Pushing maintenance
Setting the priority of maintenance
Allocating Manpower
Briefing the CO and/or ENG about large maintenance
Starting the work process, investigating, PMT, CASREP?, ordering, installing, retest etc
Volume of fluid pumped is not dependent of static head/ pressure for this type of pump
What is a positive displacement pump?
Total weight of ship = total
submerged volume of ship (measured in tons)
What is displacement?
The three requirements for current generation
What is a conductor, a magnetic field, and relative motion between the two?
The three properties of a hydraulic fluid
What are transmission of force, shapelessness, and incompressibility?
This makes up the Fire Tetrahedron
What are heat, fuel, oxygen, and a chain reaction?
The Nuclear coulomb force
What is the repulsive force that acts between protons in a shared nucleus?
Poor maintenance
Failure to close fittings properly
Improper ballasting
Enemy action (torpedo, missile, mine, etc.)
What are reasons Reserve Buoyancy may be lost?
find the Req of this circuit
What is 43.7 ohms?
Three uses of shipboard Compressed Air
What are
◦ Starting diesel and gas turbine engines
◦ Torpedo ejection
◦ Deballasting air (EMBT Blow)
◦ Prairie masker
◦ Pneumatic Tools
◦ Remotely-operated valves
◦ Potable water
◦ Automatic Combustion Control for Boilers
◦ 5” Guns
This fitting protects the crew from a CBR(N) attack
What are Circle W fitting?
2nd law of Thermodynamics, Statement 3 (Entropy)
This hydraulic effect occurs when a partially filled space or tank significantly impacts the stability of a ship
What is the Free Surface Effect?
The value of IR3 and VR1
What is 6V and 3ma
The conditions (pressure and temperature) as compared to atmosphere of a Flash Type Distilling Unit
What is High Temperature, Low Pressure?
The 5 parts of a standard Damage Control report are
What are Man in Charge, Assistance Needed, Injured Personnel, Damaged Equipment, Status of the Casualty
Piston A with a diameter of 20 ft is used to lift a man weighing 205 lb using Piston B with a diameter of 2 ft.
Find the force applied to Piston B
What is 2.05 lbs?