Water Seperator (OWS) Reverse Osmosis (RO) Flashcards

1
Q

WMSL ows power supply

A

440 VAC

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2
Q

WMSL OWS can process how many gal of oily contaminated water per hour

A

50 gallons per hour

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3
Q

WMSL OWS which component allows for overboard discharge?

A

Control module

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4
Q

The tendency to attract oil is known as what ?

A

cohesion

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5
Q

What is he 87 RO MCC

A

master control center

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6
Q

87 RO display lights

A

Normal operation-green light permeate is flowing through product valve
Dump cleaning- yellow product valve is closed
Salinity alarm-red flashing permeate quality is above salinity set point

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7
Q

How long do you circulate the winterizing solution through the R/o?

A

15 min

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8
Q

WMSL R/O unit is designed to produce ___ GPM

A

4.3 gal per min at 500 PPM is normal operating mode

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9
Q

WMSL R/O filtration is?

A

25 micron

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10
Q

What is the maximum halogen required after taking water from an unknown source 30 min after being in the tank?

A

2.0 PPM

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11
Q

WMSL filtration after the media filter is what size?

5 to 20 micron filters

A

5 to 20 micron filters

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12
Q

WMSL high pressure pump builds water pressure to a max of ? PSI

A

950 PSI

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13
Q

What voltage is the WMSL R/O

A

440 VAC

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14
Q

What is the smallest micron the eye can see

A

40 micron

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15
Q

R/O rings should be lubricated with what?

A

Glycerin or silicone lubricant

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16
Q

What is the R/O flushing time for a WMSL R/O

A

20 min

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17
Q

How long do you flush/dump the RO water after cleaning/winterizing?

18
Q

When the WMSL display shows check product water

A

signal sent to MCC Check Product Water illuminates high salinity

19
Q

Where is the brine seal located after installing a new membrane?

A

Before the membrane

20
Q

After replacing the high pressure pump oil 100 hour oil change on the WMSEL RO when do you change the oil?

21
Q

87’ What is the first and second stage of the OWS SAREX?

A

first stage act as a gravity separator primary separation of oil and water
second stage removes any remaining oil
inside to outside flow

22
Q

87’ what color is an indicator of overboard discharge

23
Q

87’ What color indicators circulation?

24
Q

87’ What is the capacity of the 87 OWS?

25
87' What is the rate that the OWS can separate?
2 GPM
26
What type of separator is the 87OWS?
2 stage gravity coalesce OWS
27
87 OWS operating pressure is?
40 PSI
28
87 OWS suction lift max is?
10 feet
29
WMSL water separator has 2 settings
operate and clean
30
Bromine cartridge shelf life
2 year shelf life from date of manufacture
31
What is the preferred disinfecting method?
Mechanical treatment methods are preferred to batch treatment
32
Waste water disposal status for cutters?
Cutter shall maintain a status sheet showing dates and results of tank inspections
33
How often are potable water tanks inspected?
Annually or when opened for any other reason
34
Where are potable water tank inspections kept?
Hull history
35
After inspecting the potable water tank what shall be done?
Sterilization
36
What component notifies personal on a WMSL that it is time to change the oil on an RO?
RCC (Remote Control Center)
37
Coupler color for potable water
Dark bleu
38
Potable water hose should be labeled every _____ feet?
10 feet
39
When is potable water tested aboard ships ?
Monthly
40
What are the two tests conducted on potable water?
FAC and TBR