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ERATS MK1 Flashcards > Random ERAT Questions > Flashcards

Random ERAT Questions Flashcards

1
Q

During at sea conditions, if 15 ppm cannot be achieved,
then the ship must limit its discharges to less than 100 ppm. The OCM is provided with both, 15 and 100 ppm
__________, to ensure that these discharge limits are not exceeded.

A

Alarm Set Points

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2
Q

IF THE OCM SYSTEM IS INOPERABLE at least one ________ shall be stationed on deck above the OWS
overboard discharge.

A

Crewmember

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3
Q

Weather deck hoses that are exposed to extreme sun, heat, cold, ice or snow, AND do not have an outer covering specifically designed for such abuse. The replacement cycle shall not exceed _ years.

A

5 years

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4
Q

Standard Hoses: Synthetic rubber hoses in the following systems shall be considered standard
duty, with a normal replacement schedule of _ years.
Fuel oil
Hydraulic oil
Lube oil
Jacket water cooling
Compressed air and compressed gas
Refrigerant and Oxygen
Chilled water.
Seawater
Boiler Feed water, Steam condensate
Distilling
Potable water
Weather deck hoses (with appropriate protective coverings)
Bilge

A

8 years

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5
Q

________ are used to direct the flow of fluid from a pump to the work until a predetermined
pressure is attained, then to discharge the flow back to the tank at a low pressure until such time as the flow is
again required.

A

Unloader Valves

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6
Q

What Hazard Class does gasoline fall under?

A

HAZMAT Class 3 Flammable liquids

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7
Q

How often does the Air Quality Test need to be conducted on the Breathing Air Compressor?

A

Every 90 days (Quarterly) or anytime contamination is suspected

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8
Q

A hot surface is defined as ___ degrees F (205 C) and higher, if the piped liquid is fuel oil.

A

400 degrees

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9
Q

A hot surface is defined as ___ degrees F (343 C) and higher, if the piped liquid is lubricating or hydraulic oil.

A

650 Degrees

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10
Q

A fuel’s ______ is the lowest temperature at which the fuel gives off enough vapor to form a mixture with air that is capable of being ignited by any ignition source.

A

Flashpoint

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11
Q

F-76 and JP-5 are required to have a minimum flashpoint of ______.

A

140°F (60°C)

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12
Q

The only kerosene-type jet fuel permitted
on board naval ships is JP-5 (NATO Code F-44) in accordance with MIL-DTL-5624, Turbine Fuel, Aviation,
Grades JP-4 and JP-5. This fuel has a flashpoint of ______ minimum and was developed for safe storage aboard ship, as compared to the earlier, gasoline-type jet fuels.

A

140°F (60°C)

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13
Q

____ is a middle distillate with a minimum
flashpoint of 140°F (60°C) and a pour point of 21°F (-6°C) maximum.

A

F-76

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14
Q

What is the most common type of pressure control valve in a Hydraulic system?

A

Relief Valve

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15
Q

What is the flashpoint of F76?

A

140 dregrees F

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16
Q

What chemical is authorized for cleaning CG evaporators?

A

Sulfamic Acid

17
Q

What are the two authorized feedwater treatment chemicals for a CG evaporator system?

A
  • HAGEVAP-PD8
  • AMEROYAL
18
Q

How long should a boiler be offline before completing a bottom blowdown?

A

Approximately 30 minutes

19
Q

The shelf life for all synthetic rubber flexible hose, and prefabricated flexible hose assemblies shall not exceed________?

A

10 years

20
Q

What hoses are not required to list in a hose log?

A

Outboard fuel hoses

21
Q

At what interval should weather deck and exhaust hoses (non-standard hoses) be replaced?

A

Not to exceed 5 years

22
Q

What is the replacement schedule for standard duty hoses?

A

8 years

23
Q

In a Gel Cell Battery what is the purpose of the separating plates?

A

Separates the positive and negative cells preventing short circuiting

24
Q

Installed in all PIM1 and PIM2 cards?

A

MPU-23

25
Q

When testing P1000 Pyrometer and you read 0 ohms?

A

Center is good/closed

26
Q

As wire sizes increase, what happens to resistance and amperage?

A

Resistance goes down and amperage increases

27
Q

How long will a wet cell battery go off a charger before it needs to be recharged?

A

4 to 6 months

28
Q

What do you clean a battery terminal with?

A

Sodium Bicarbonate and Ammonia

29
Q

Outboard engine turns easy to PORT, adjust trim tab?

A

To STBD

30
Q

All Honda valve clearance specifications have a tolerance, usually of _____.

A

0.04 mm

31
Q

What is the torque value for the spark plugs on the Honda 225?

A

14 lbf

32
Q

What are the valve clearance specs for Honda 225?

A

Intake: 0.20mm – 0.24mm, Exhaust: 0.28mm – 0.32mm

33
Q

What is the Spark Plug gap for the Honda 225?

A

0.039-0.043 mm

34
Q

What color is the plug for the Data Link Connector on the Honda 225 outboard?

A

RED

35
Q

At what RPM range does the VTEC kick in and kick out on the Honda 225 outboard?

A

The VTEC kicks in at 4500 rpm and kicks out at 4300 rpm

ERATS MK1 Flashcards (15 decks)

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