Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

SF IDC > UNIT 6-13 POTABLE WATER SURVEILLANCE > Flashcards

UNIT 6-13 POTABLE WATER SURVEILLANCE Flashcards

1
Q

NAVMED P 5010- 6

A

WATER SUPPLY AFLOAT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

RAISED FRAME TO KEEP WATER OUT

around a hatchway in the deck of a ship

A

coaming

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

process of distilling plant forms, including evaporation and condensation

A

distillation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

chlorine available in the forms of hypochlorous acid and hypochlorite ions
(after demand is met)

A

Free Available Chlorine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

one millionth of a meter

A

micron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

treatment device applied to a single tap used for the purpose of reducing contaminants in drinking water at the tap

A

Point of Use (POU)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

water suitable for human consumption, bathing, laundry, personal hygiene

A

potable water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

achieved by external application of sufficient reverse pressure to cause the solvent to flow in its unnatural direction

A

Reverse Osmisis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

test used to detect total coliform and E-coli in potable water

A

colilert. Colisure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

group of closely related, mostly harmless bacteria that live in soil and water as well as animal guts.

indicate general quality of water and likelihood that water is contaminated with fecal matter

presence or absence of bacteria is the drinking water standard

A

Total Coliform

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

fecal coliform bacteria commonly found in intestines’

strong indication of recent sewage or waste contamination

A

Escherichia Coli (E. Coli)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

responsibilities of Naval Sea Systems command

A

design
construction
maintenance

related to shipboard potable water systems, including treatment facilities and processes to assure safe drinking water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

responsibilities of Naval Facilities Command (NAVFACENGCOM)

A

promulgating instructions for SHIP TO SHORE potable water connections

providing potable water from approved source when BERTHED AT A NAVAL FACILITY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

**presence or absence of total coliform bacteria is ____

A

**drinking water standard **

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

responsibilities of BUMED

A
  • establishing health standards
  • instructions, notices, and publications for afloat water quality requirements
  • shipboard requirements for medical surveillance of potable water systems
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

responsibilities of area, fleet, and subordinate commanders

A

water sanitation standards are provided and enforced in each ship w/in command

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

responsibilities of Engineering Dept.

A

responsible to CO for implementing requirements of NAVSEASYSCOM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

responsibilities of MDR

A

conducting a medical surveillance program of the potable water system

Bacteriological Testing

Daily halogen testing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

how many gallons per day is authorized by NAVSEASYSCOM for design considerations

A

50 gal/day per person

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what does water hours mean

A

not less than 2 gallons per man a day

particularly when troop-carrying shjps loaded beyond capacity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what type of water is used for marine sanitation device system

A

sea water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

three conditions to avoid making water while operating in

A

harbors or polluted seawater

ships in close formation

stripping or discharging waste or bilge water forward of the saltwater intakes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

shore to ship delivery from unapproved source if treated at what minimum PPM prior to receipt

A

2.0 PPM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

what is sea water used aboard ships for

A

fire mains
decontamination
marine sanitation devices

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
2 types of potable water plants
distilled and reverse osmosis
26
3 types of distillation plants
steam waste heat vapor compression
27
distillation plant that uses diesel engine jacket water
waste heat distilling plant
28
distillation plant that uses electrical energy
vapor compression
29
2 types of reverse osmosis
single and triple pass
30
reverse osmosis plant that requires additional disinfection such as bromine and chlorine
single pass
31
reverse osmosis plant that is often better than distilled water and does NOT REQUIRE additional disinfection
triple pass
32
potable water tanks should never be filled with
ballast water
33
PW hoses are labeled with
"POTABLE WATER ONLY" with 1 inch high letters every 10 feet
34
how are PW valves receiving or supplying potable water (risers) labeled
"POTABLE WATER ONLY" 1/4 inch high letters
35
how are sounding tubes labeled
clearly with ID plate | cap will be dark blue
36
what is the standards for halogen residuals
0.2 -2.0 ppm
37
who must supervise the connection between shore and ship
authorized shore station personnel or properly trained ship personnel
38
what is the minimum required ppm for water with doubtful quality
2.0 ppm
39
**** state the purpose of bacteriological testing*** TG pg 636
ensure fitness for human consumption | assess adequacy of disinfection process
40
halogenation is more effective at what water temperatures
warmer
41
air craft carriers are allowed to maintain at least what level of chlorine in distal ends of distribution system
trace levels
42
how often is hallogen residual testing conducted and by who
daily | MDR
43
who is resposible for testing the halogen level of the potable water tanks after 3o minute contact time
engineering dept
44
what does MCL stand for
Maximum containment level
45
weekly bacteriological samples per personnel 400 and less 400-800 800 or more
4 8 12
46
samples of microbiological quality will include what portion of ice machines and potable water tanks
1/4
47
hw often are ships emergency potable water tanks tested bacteriologically
monthly
48
when a positive bacteriological test is received, what is the process
require 3 repeat samples original service connection source one upstream (no more than 5 service connections) one downstream (no more than 5 service connections) collect withing 24 hours
49
halogen that tests for FAC or Total Bromine Residual (TBR)
DPD #1
50
halogen that tests for chloramines (total chlorine) residual
DPD#4
51
what is the accuracy of the color comparator
+ or - 10%
52
what is the accuracy of portable spectrophotometer
+ or - 2%
53
continual absence of halogen residuals in potable water systems must be reported to who
CO Copy to Chief engineer
54
how often is bacteriological testing conducted
weekly
55
how are bacteriological samples labeled how much per bottle/bag sample? incubate for how long? temp?
location date and time samplers initials 100ML 24 hours at 35*C
56
what does HTH stand for
calcium hypochlorite
57
for manual chlorination (batch method), what is the mixing strength of HTH
1 ounce of HTH per 5,000 gallons of water =1.0 ppm FAC
58
how many methods to disinfect the potable water system
3
59
describe "method 1" of disinfecting potable water tanks
``` fill tank t over flow level ADD CHLORINE TO 10PPM FAC THROUGH TANK hold for 24 hours drain tank refill with potable water w/ required halogen residual level bacteriological test negative then use ```
60
describe "method 2" of disinfecting potable water tanks
- SPRAT/APPLY DIRECTLY 200PPM FAC TO ALL TANK SURFACES - flush inlet/outlet pipes w/ 10ppm FAC - disinfected surfaces shall remain in contact w/ chlorine solution for a minimum of 30 minutes - refill w/ potable water w/ required halogen residual level - negative test use water
61
describe "method 3" of disinfecting potable water tanks
FILL 5% TANK VOLUME W/ 50PPM FAC SOLUTION hold solution for 6 hours add potable water to chlorine solution to fill tank; hold for 24 hours drain tank refill tank w/ potable water w/ required halogen residual level bacteriological test negative use water
62
what are the 2 methods for controlling and identifying the source of taste and odor issues
chlorination and steam methods
63
describe chlorination method for taste/odor issues
chlorinate to 5ppm FAC | distribute @ 2 ppm FAC
64
describe the steam method for taste/odor issues
requires NAVDEASYSCOM approval boil sample water for 1 minute to ensure proper effect if resolved then steam may be feasible not resolved then steam wont work
65
Calcium Hypochlorite should not be stored in more than how many of what ounce bottles in any individual locker or bin?
48 six ounce bottles

SF IDC (39 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions