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AIR CONDITIONING & REFRIGERATION
ENG SYSTEMS & CASUALTY CONTROL
NON-PROPULSION AUXILIARY EQUIPMENT
VALVES, PIPE FITTINGS, & PIPING
MAIN PROPULSION BOILER OPERATIONS
100
Removal of refrigerant before maintenance on a reciprocating system that is to be opened to the atmosphere.
What is pumping down.
100
Valve handwheel color code for low pressure air systems.
What is Tan.
100
Two major parts of the electrohydraulic steering unit.
What is the ram unit and the power unit.
100
Function of a check valve.
What is permits the flow of fluid in one direction only.
100
Guidance and general information on all naval boilers can be found in NSTM_____.
What is NSTM 221, Boilers.
200
Controls the quantity of refrigerant that is admitted to the cooling coil and reduces the pressure of refrigerant.
What is a Thermal Expansion Valve (TXV)
200
Indicator for JP-5 Aviation Fuel handwheels.
What is purple.
200
Name three types of anchor windless used onboard ship.
What is electric, electrohydraulic and hand driven.
200
Name the cooling source for the inline desuperheater.
What is feedwater.
200
(True or False) It is allowable to use shore steam for steam atomization.
What is False.
300
The color code for Freon piping and hand wheels.
What is Dark Purple.
300
System that protects a turbine from air leaking in and steam leaking out.
What is the Gland sealing steam system.
300
Name two types of conveyors commonly used aboard ship.
What is gravity and powered conveyors.
300
Name the two classes of packing and gasket joints.
What is moving and fixed.
300
Soot creates ______ hazard in a boiler.
What is Fire Hazard.
400
Piping that is striped light blue and dark green.
What is chill water piping.
400
The shortest of all major engineering piping systems.
What is Main Steam System.
400
________ prevents slippage of the winch when in operation.
What is a locking device.
400
Detailed information on the selection of insulation, lagging, and fastening can be found in NSTM _______.
What is NSTM 635 (Thermal, Fire, and Acoustic Insulation)
400
Name 4 main kinds of generating and circulating tubes in a boiler.
1 - Generating tubes in the main bank. 2 - Waterwall tubes. 3 - Water screen tubes 4 - Downcomers.
500
Certified personnel authorized to work on Air Conditioning and Refrigeration.
What is EPA (Environmental Protection Agency)
500
Configuration used when maximum operability and reliability is needed in the engineering plant.
What is split plant operation.
500
Name the three classifications of dishwashing machines.
What is one, two, or three-tank machines.
500
Type of piping expansion joint that absorbs motion by the movement of bellows or a similar device.
What is Flexible type expansion joint.
500
Function of the steam drum swash plates in a boiler.
Used to reduce the surging or swashing of water from one end of the drum to the other as the ship moves.