2019 Flashcards
(97 cards)
1
Q
In a 2 stroke diesel engine, how many revolutions does the crankshaft spin during one power stroke?
A
1
2
Q
Who can authorize additional work or terminate contracts for dry dock?
A
KO
3
Q
How is air that is delivered to a room measured?
A
CFM (Cubic Feet Per Minute)
4
Q
How much air can be in a receiver?
A
600 psi
5
Q
OWS works off of what two principles?
A
Gravity separation and coalescer
6
Q
Two windings in a motor coming into contact?
A
Shorted winding
7
Q
What form for booking someone?
A
CG4910
8
Q
What is the shelf life of a bromine cartridge?
A
24 Months
9
Q
What is the flash point of F76 and JP5?
A
140f
10
Q
When do you apply an out of orange calibration tag to a gauge?
A
If deviation is small and consistent.
11
Q
After how many hours must you drain the air receiver?
A
200 hours
12
Q
What class hitch must the RBS trailer be rated to?
A
V
13
Q
Most common hydraulic oil used in the USCG?
A
Petroleum based
14
Q
P100 full weight?
A
164 LBS
15
Q
P6 prime mover?
A
Single cylinder four cycle gasoline
16
Q
PDE Award point, EER, Sea and surf time start date?
A
SED (SWE Eligibility Date)
17
Q
PDE time in rating and service date?
A
TED (Terminal Eligibility date)
18
Q
Class of fire for liquids?
A
Class B
19
Q
Class of fire for metal?
A
Class D
20
Q
The ___ permits compressor staring at reduced load?
A
Unloaded
21
Q
Color of potable water hose?
A
Dark blue
22
Q
Where is the triple guard grease used on a Honda 225 drive shaft?
A
Drive shaft spline
23
Q
A Potable water hose should be labeled every feet?
A
10
24
Q
The maximum pressure on air receiver is capable of holding is ?
A
600PSI
25
When is a staff symbols require in the To line of a memo?
Area commanders, district commanders, commander of maintenance and logistics commands, the academy, or Commandant.
26
What 2 uniforms are used year round for uniform of the day?
TB and ODU
27
Heat transfer by____occurs when energy is transmitted by direct contact between molecules of a single body or between molecules of two or more bodies in physical contact with each other.
Conduction
28
Heat transfer will occur between two materials of different temperature, the heat flowing from the___temperature body to the___temperature body.
High, low
29
What tool do you use to measure bearing shell clearance?
Micrometer
30
A minimum required flashpoint for shipboard use of___cannot be safely stored on board.
140F
31
PEACE model does what?
Elements mission risk level within safe limits.
32
Removes air impurities such as dust, fumes, vapor, and smoke?
Filter
33
Sewage can be discharge when greater than ___ miles from land?
3
34
Sole source justification is submitted to who?
KO
35
Readings over 100PPM of chloride require you to do what with coolant?
Drain system, inspection for R/W leaks, fill with water run for 30 min, test, drain repeat until sample is below 40 ppm, take another sample after 24 hours.
36
Excessive vibration of an engine can cause what on the water side of the cylinder liners?
Cavitation corrosion/erosion
37
Test coolant within how many hours after conducting a coolant change or adding chemical?
24hrs
38
R/O dump is indicated by what color light on monitor?
Red
39
How long should you run the winterizing compound through the 87’ R/O unit to ensure it gets into all the components?
15 mins
40
How long should you run an R/O in flush mode?
30 min following winterization, otherwise 20 mins of 2 min auto flush
41
SFLC approval is required for any fuels accepted below what flashpoint?
125F TS 540 cutter and boat fuel PG 11
42
What is normally used to prime a fuel oil purifier?
Automatically reprimed with water before fuel flow is reestablished
43
Cold Alaska fuel type authorized for what months?
15 October -15April
44
Fuel oil purifier operates off of what principal?
Centrifugal
45
Fuel oil purifier separates fluids by manipulating their what?
Specific gravity
46
What monitors oil in the oils separator?
Oil content monitor
47
Prior to changing a filter, what should you do to a system before hand?
Pull a sample
48
Two types of clutches that use air, Aeroquip and ?
Witchita/Eaton disc type and Eaton Airflen drum type
49
Phenomenon of slow speed with new shaft bearing?
Stick-slip
50
What is installed inline that removes water in a air system?
Dehydrator
51
What prevents from discharging any type of oil within 12NM?
Clean water Act
52
Engineering change request (ECR) form?
CG22
53
Aeronautical publication change form?
CG22
54
Machinery logs must be kept on board for how long?
Destroy 3 years after transcribing into Hull History and Machinery History. CIM 5212.12 pg 143
55
Tag out logs are required by what two departments?
Engineering and operation
56
FRC’s use what type of refrigerant?
R134A
57
-40C is what in F?
-40F
58
To get 100GPM at 20 foot suction, how much PSI?
83 PSI
59
Firefinder uses what type of batteries?
Two AAbatteries
60
How do you increase volts?
Volts are added when wired in series
61
What is used to measure the insulation of a wire?
Megohmeter
62
What is the first step to an operation troubleshooting electrical components?
is a good visual inspection. Check the connections for poor soldering, loose connections, or broken wires. The plunger should be checked for cleanliness, binding, mechanical failure, and improper alignment.
63
Convert pressure into an electrical signal?
Pressure sensor
64
What installed in-line to protect electrical components?
Fuse
65
Hertz is measured by what symbol of?
HZ
66
What is the fuse rated for the 225 charging system?
150 amp
67
What is the trim components of the engine comprised of?
Motor/pump
68
What lower unit oil is used?
80/90
69
Center tread on a tire is caused by what?
Over inflation
70
What is the brake fluid that is used in the CG?
DOT-3
71
How far in the great lakes must you be from land to discharge sewage?
No discharge of sewage
72
What type of oil is used for the jet drive?
DELVAC 1330 super 15w-40
73
How is a stem valve installed?
Up
74
What is the single most important factor when deciding hydraulic fluid?
Viscosity
75
Allowable hydraulic leak limit?
10m/l
76
What force a hydraulic cylinder provide?
Linear motion
77
Wear seen in the cylinder head at 90 degrees of this component?
90 degrees of the crankshaft
78
Piston rings purpose are to do what this, lubricate and ?
transfer heat from the piston to the liner
79
Piston ring open gaps reduce the before and after pressure by what?
½
80
What temperature should you maintain during after and overhaul in the break-in period?
160-195F
81
Accessory after the fact?
Article 78
82
What uniform is authorized the use of two straps of a backpack?
ODU
83
Binge drinking is?
Drinking until you get drunk
84
Definition of binge drinking is?
4 drinks 2 hours for women, 5 drinks 2 hours for men
85
P-229 has how many safeties?
3
86
How many steps to trigger control are there?
4
87
Stress is defined as?
Everyday wear and tear on your body as you respond to people, places, things in life
88
AFFF lasts for how long if full charged?
55-65 sec
89
Supply purchase price?
$3000
90
CG-4910 has members what listed?
Education
91
How do you access CGPASS?
Direct website link
92
What type of strainer must you completely isolate the system to service?
Simplex
93
TA is authorized after how many days for long term unit?
180 Days
94
Pricing for MGIB-AD is based on what?
Credits you are taking
95
How many times periods for U/W logs?
6
96
What type of flexible couple is used in between shafts?
Vulkan EZ and Rato S couplings
97
J/W testing test for Alkalinity and____?
Chloride
