問題一覧
1
What is the acceptable percentages for a BS&W?
BS&N 0.2%
2
What color does oil turn when it has copper or tin in it?
blue green
3
Where are sample connections fitted?
Lowest point of the sum
4
What is the allowable passing criteria for a particle in a visual test?
PARTICLE NOT GREATER THAN 1⁄8 inches
5
When is a casualty sample drawn from a LSB?
daily
6
How long must you wait to take a sample on operating equipment that you added oil to?
10 min
7
How fast does the centrifuge spin during a BS&W test?
1500 RPM
8
How often do you sample equipment using 2000 series oil?
daily
9
What equipment is used to conduct a flash point test?
NAVI flash
10
LO purifier efficiency should be tested after starting and every thereafter?
EOOW, 30 min. & 4 hours
11
What provides a standardized oil analysis testing procedure for the Navy. Army, and Air Force?
JOAP (Journal Oil Analysis Program)
12
How long are LO logs kept on board?
2 years
13
What is the purpose of the lube oil heater?
Circulating type LO electric heater and controller in each engine room
14
What purification process is when you transfer oil from the sump to the settling tank?
Batch renovation
15
What part of the AMCW prevents overheating of the pump?
Recirculation line
16
What type of heat exchanger is used in the AMCW?
Tube - Type exchange
17
What type of pump is used in the AMCW?
main feed pump
18
What limits flow through the recirculation line?
Orifice
19
Where does the cooling system begin?
Auxiliary seawater coding main
20
The recirculation line is used to bypass the reducing valve (TRUE/FALSE)
false
21
At what differential pressure are Helen strainers required to be cleaned at?
3 PSID
22
What system is used as a back up to the AMCW?
Auxiliary seawater main
23
What prevents the orifice from getting clogged?
Recirculating line limit the flow of water
24
At what pressure does high pressure air operate at?
1001
25
What is the primary function of a dehydrafor?
Remove oil and water from air
26
What color valve is LP air?
tan
27
What is the function of the priority valve?
Used to ensure vital services receive LP air before non-vital service
28
What is used to cool compressed air between the different stages?
Intercoolers sea water
29
What is normal operating LP air Pressure?
150 PSIG and below
30
How many HP compressors on normally on a ship?
2
31
How long is the Blow-Down valve operated on the compressor?
10-20 seconds
32
What is the maximum number of stages of a HP compressor?
6
33
How often are readings taken on an HPAC?
hourly
34
What valves are used to control or limit flow to the compressed air system?
relief valves
35
When working on HP air system, the system should be tagged out and depressurized. (TRUE/FALSE)
true
36
What is distillate?
Remove salt from seawater / purified
37
What PSI is needed to separate salt from seawater in the RO system?
350 - 400 PSIG
38
What is the waste material that is pumped over board from the distilling process?
brine
39
How often are readings taken on an HPAC?
LP flash type
40
What component maintains the filters and is vital to the performance of the RO Plant?
The Membrane
41
Which component is the central control of the RO plant?
main control panel
42
How many flow meters are in the RO plant?
2
43
The lowest temperature at which a liquid gives off vapors that could ignite is called?
flash point
44
Pressure exerted on a confined liquid is transmitted in all directions, and acts with equal force on all areas, is an example of what law?
pascal’s law
45
What type of actuator is used to apply linear force to a mechanism?
RAM cylinder
46
What is force measured in?
pounds in tons
47
Laminar flow is an erratic and turbulent flow. (TRUE/FALSE)
false
48
What rating measures the ability of the element to remove the contaminants?
efficiency rating
49
What valve maintains hydraulic system pressure?
unloading valves
50
What converts hydraulic energy generated by a pump back into mechanical energy?
actuator
51
What documentation is used to preform maintenance on the hydraulic system?
PMS (PLANNED MAINTENANCE SYSTEM)
52
What component is used to remove large contaminants from the suction side of a hydraulic pump?
strainer
53
What is used to align the hydraulic system?
EOSS
54
What fluids can be used in the hydraulic system?
Pretoleum- Based, Water Based and Synthetics (Five resistance fluid / Hydrocarbon Fluid)
55
What is the measurement of Fluid's resistance to flow?
viscosity drag
56
What converts linear movement of the ram to radial movement of the rudderpost?
piston
57
What type of pump is the HPU main pump?
Axial piston pump
58
How many modes of operation does a vertical package conveyor have?
4
59
How many modes of steering gear operation do DDG-51 class ships have?
5
60
What maintains the ship's heading and carries out course changes?
steering gear
61
What component will compare the ordered and actual rudder angle indicators?
TURN HELM WHEEL
62
What color valve is hydraulies?
orange
63
The conveyor load/unload device has how many position?
Load, Unload, Stowed, and offload
64
The convoy are trays that can hold_____lbs, and the overall weight of the conveyor is?
Up to 400 lbs, 100 Ibs
65
How many LBS will activate the down-over travel interlock?
15 lbs
66
What prevents conveyor doors from closing if the load/unload device is not in stowed?
door block
67
How long does the warning horn sound for the conveyor?
3 - 3 1/2 seconds
68
What drum is fitted with whelps to engage the anchor chain?
Outer surface of the wildcat
69
What allows the wildcat to disengage from the windlass drive?
Wildcat cluth lever
70
What component is used to control the raise and lowering of the anchor?
Anchor windlass
71
What term describes lowering the anchor?
paying out
72
What term describes raising the anchor?
heaving in
73
When the wildcat lever is disengaged, what component can operate independently?
capstan
74
What component is used for mooring, towing, and warping operations?
capstan
75
What type of coupling on the anchor windlass system, allows for no misalignment?
Rigid flange coupling
76
What component will keep your anchor from free falling?
Hand brake
77
What converts high speed operations of the hydraulic system, to low speed operations of the capstan?
gear box or MG
78
Who conducts oil analysis?
oil king / JOAP
79
What mode should the heat be kept in to facilitate a quick start?
warm up mode
80
Which pump provides oil flow for the purification process?
supply transfer pump
81
What tank is used in the batch purification process?
setting tanks
82
What NTSM talks about grease?
NSTM 262
83
Polishers are designed to remove water and solids from LO with what?
Absorbent canister and filters
84
How long is LO heated in the settling tank?
24 hours
85
Who is the primary keeper for the LOQM program?
EO, Engineering officer/ MPA
86
Who ensures all WCS are trained and qualified?
LPO/LCPO
87
What holds the purifier bowl still while preforming maintenance?
Bowl locking screws
88
How many disks are in the purifier assembly?
32
89
What gear assembly drives the purifier?
worm wheel
90
The priming valve on the purifier creates what type of seal?
Water type seal
91
All machinery containing lubricating oil fluids must be fitted with a sample connection (TRUE/FALSE)
true
92
On the delaval purifier, what does the regulating tube direct into the rotating bowl?
durty oil
93
What is the flow rate of the delaval purifer?
225
94
What is used to start the lurifier?
EOSS
95
What does the purifier do?
Removes Water through stripping and to remove solids with strewers and filter from LO
96
How many times will the speed indicator plunge during normal operating speeds
72
97
How many RPMs does the purifier operate at?
1800