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Tankers > Final > Flashcards

Final Flashcards

1
Q

VLCC

A

Mainly uses Centrifugal Pumps

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2
Q

Tank Cleaning machine

A

Must pay special attention to states

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3
Q

You are loading a tanker, what should you do?

A

Close the valves by one or two turns

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4
Q

What is MARPOL 73/78

A

International Convention on the prevention of pollution from ships

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5
Q

What is the usual working pressure for a hose

A

150 psi

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6
Q

If spilled, HFO is

A

Easier to clean up than a refined product (more viscous)

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7
Q

Who enforces shipping regulations

A

Coast Guard

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8
Q

What are the two categories of cargo liquids

A

Flammable (flash point and Reid vapor pressure) and combustible (flash point)

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9
Q

What should be done in case of a problem with cargo transfer?

A

Call shore facility to shut off cargo transfer

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10
Q

What certifies what a ship can carry

A

Vessel certificate of inspection

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11
Q

Inert gas foam functions by

A

Reducing the O2 concentration

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12
Q

Which of the following terms best describes the measure of the top of the tank to the surface of the liquid

A

Ullage

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13
Q

Who completes the certificate of inspection

A

PIC

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14
Q

Which alarm is not found on an inert gas system

A

Low oxygen alarm (there shouldn’t be any oxygen)

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15
Q

When entering port there are other vessels present, what should be displayed for bunkering

A

Bravo flag (day) red light (night)

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16
Q

Us coast guard regs require that

A

Systems must be lined up correctly for transfer

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17
Q

Tanker sign:

A

WARNING:
No Smoking
No Open Lights
No Visitors

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18
Q

What type of valve is used on the discharge side of a cargo pump

A

Check valve

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19
Q

When providing first aid to a poisoned person

A

Check for airway and breathing first (ABC)

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20
Q

Thieving is

A

The process of lowering a canister to get a cargo sample

21
Q

Non-metallic hose for oil transfer can be used if

A

There is a leak in the flange gasket during testing (replace the gasket

22
Q

What is not a precaution to be taken while topping off

A

Informing the engine room

23
Q

To reduce the accumulation of static electricity during loading

A

Cushion the tank (start slow, wait for support to be covered and wait for hump to be gone

24
Q

The emergency shut down requirements apply to

A

The cargo transfer system

25
Q

If you are stripping a tank

A

You must switch from the centrifugal transfer pump to the positive displacement transfer pump

26
Q

What is the lowest temperature at which sufficient vapors are being given off to form a flammable mixture

A

Flash point

27
Q

Portable electric lights used in a petroleum tank must be

A

Self contained, battery fed, and intrinsically safe

28
Q

We are transferring cargo liquid at a certain rate, the IG system must

A

Have 25% more capacity

29
Q

Cofferdam

A

Void space between tanks

30
Q

What term is not considered a discharge is US regulations

A

Sampling a harmful substance

31
Q

In a properly inerted system,

A

Oxygen concentration is not more than 8%

32
Q

What unit of volume is used to measure oil capacity

A

Barrels

33
Q

Who must attend the pre transfer conference

A

Ship and facility PIC

34
Q

We can generate a static charge by

A

Splashing a static accumulating liquid in a tank

35
Q

What is the cargo left behind that cannot be removed?

A

Remaining on Board (ROB)

36
Q

High velocity venting devices usually have

A

A velocity of 30 m/s

37
Q

Device for connecting non flanged pipes

A

Dresser coupling

38
Q

Pump that is shaking and sounds like gremlin

A

Cavitation

39
Q

Relief valves relieve to

A

suction side of pump

40
Q

In a tank that has been closed for a long period of time this may occur

A

Pyroforic situation

41
Q

Which gas is tested for first?

A

Oxygen

42
Q

To prevent the pinching of cargo hoses

A

adjust the hose supports

43
Q

What is the minimum oxygen concentration necessary to enter a space?

A

21%

44
Q

Where do most cargo fires start on tankers?

A

The pump room

45
Q

What is not considered discharge

A

Sampling

46
Q

Double hull ships may only have

A

ballast in the outside tanks

47
Q

What is the maximum oxygen concentration allowed for an inert tank

A

8%

48
Q

To perform hot work in a port

A

A marine chemist must sign off

Tankers (1 decks)

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