OCTCO/OCTF - Oil and Chemical Tanker Cargo Operations Exit Exam Questions - Set 7

Question 1

How much volume of air needs to be changed in pump room?

Accepted Answer

C: 20 vol/hr.

Answer

A: 10 vol/hr.

Answer

B: 25 vol/hr.

Answer

D: 15 vol/hr.

Question 2

Fixed foam monitors having a operating capacity_____L/min?

Accepted Answer

A: 1250

Answer

B: 1450

Answer

C: 1150

Answer

D: 1650

Question 3

In tankers, the central equipment is available either for installation in _____locations.

Accepted Answer

B: Non-hazardous

Answer

A: Hazardous

Answer

C: Under – pressurized

Answer

D: All of the above

Question 4

The physical data of a liquid chemical can be found on_____?

Accepted Answer

D: All of these a), b) & c)

Answer

A: MSDS (material safety data sheets)

Answer

B: The Information supplied by the manufacturer

Answer

C: ICS cargo data sheet

Question 5

Gas testing onboard tankers can be carried out with the following equipment onboard?

Accepted Answer

C: Gas instrument

Answer

A: MMC

Answer

B: Thermometer

Answer

D: Sample

Question 6

What % of air is made up by oxygen?

Accepted Answer

B: 21%

Answer

A: 78%

Answer

C: 100%

Answer

D: 4%

Question 7

Does the muster list and the emergency instruction contain information relevant only to the deck officers?

Accepted Answer

C: No, all crew members and other personnel onboard

Answer

A: Yes

Answer

B: No

Answer

D: No relevant to all offices

Question 8

COW operation is conducted during?

Accepted Answer

A: Discharging operation

Answer

B: Tank cleaning operation

Answer

C: Loading operation

Answer

D: Gas freeing operation

Question 9

Before cargo operations start the master should establish liaison between the ship and______?

Accepted Answer

A: The terminal

Answer

B: The flag state administration

Answer

C: The port authority

Answer

D: The arbor controls

Question 10

If at sea the inert gas low pressure alarm is activated it may be necessary to conduct____?

Accepted Answer

C: Inert gas topping up operations

Answer

A: Cargo heating operations to raise the pressure

Answer

B: Cargo transfer operation to raise the pressure

Answer

D: Reduce engine speed to allow safe ingress of atmospheric air

Question 11

When oil temperature rises, the volume _______?

Accepted Answer

C: Increases

Answer

A: Varies

Answer

B: Reduces

Answer

D: Remain the same

Question 12

An important publication required to be approved by the flag state and carried onboard chemical tankers?

Accepted Answer

A: The procedure and arrangements manual

Answer

B: The operation manual

Answer

C: The arrangements manual

Answer

D: The procedures manual

Question 13

The low velocity fog applicator used in conjunction with the all-purpose firefighting nozzle, should always be_______________?

Accepted Answer

A: Stored in the rack when not in actual use

Answer

B: Attached to the nozzle by the chain

Answer

C: Coated with heavy grease to prevent corrosion

Answer

D: Left in place in the all –purpose nozzle

Question 14

Which safety device is fitted on the inert gas scrubber tower to monitor the efficient operation of the plant?

Accepted Answer

D: Both (B) & (C)

Answer

A: The inert gas low flow alarm

Answer

B: The scrubber tower high level alarm

Answer

C: The scrubber tower low pressure & non flow alarm of cooling tower

Question 15

In the event of cargo spillage, which of following would be informed first?

Accepted Answer

D: The port authority

Answer

A: The clean-up contractor

Answer

B: The agent

Answer

C: The ship owner

Question 16

One of the requirements for the crude oil washing on tankers is that an inert gas system be fitted, according to regulations supply of an inert gas system can be have portable connection to which space other than cargo tank?

Accepted Answer

C: Every cargo and slop tank

Answer

A: Every cargo tanks

Answer

B: Every cargo and slop tank and cofferdam

Answer

D: Every cargo tank, slop tank, cofferdam and ramp space

Question 17

High IG temperature trip is about___?

Accepted Answer

D: 75C

Answer

A: 55C

Answer

B: 65C

Answer

C: 85C

Question 18

The flammable range of different chemicals may be ___?

Accepted Answer

D: Always different

Answer

A: Always the same

Answer

B: The same

Answer

C: Often different

Question 19

The apparatus consists of double opposed nozzles which rotate slowly about their horizontal and vertical axis and project two streams of water through all possible angles against all inside surfaces of the space being cleaned.

Accepted Answer

B: Butterworth tank cleaning machine

Answer

A: Crude oil washing machines

Answer

C: Manually operated deck tube nozzle machine

Answer

D: All of the above (A) (B) (C) or combinations of attachment

Question 20

Pyrophoric iron sulphide is formed:

Accepted Answer

D: All of the above

Answer

A: In the presence of oxygen

Answer

B: In presence of H2S

Answer

C: When rust is formed in tanks

Question 21

It is the lowest liquid temperature at which the small flame initiates a flash of flame across the surface of the liquid, there by indicating presence of flammable gas above the liquid?

Accepted Answer

B: Flash point

Answer

A: Pour point

Answer

C: Cloud point

Answer

D: None of the above

Question 22

What does ODME mean?

Accepted Answer

D: Oil discharge monitoring equipment

Answer

A: Oil detecting – master evaluating

Answer

B: Over board detecting measure equipment

Answer

C: Oil detection measure equipment

Question 23

Which of the following is compulsory on ships fitted with inert gas?

Accepted Answer

C: Notice is to be placed at entrance as required NO ENTRANCE WITHOUT PERMISSION OF RESPONSIBLE PERSON (C / O) inert gas

Answer

A: No smoking is allowed in any place at all on the vessel

Answer

B: an entry permit is required each time a person enters the pump room for any reason

Answer

D: Three (3) breathing apparatus sets with spare bottles and a refilling compressor Is fitted in the forecastle

Question 24

All VLCC normally has cargo tank heating arrangement as?

Accepted Answer

C: Deck steam heater heated by steam circulation

Answer

A: Heating steam arrangement in the individual tanks by steam circulation

Answer

B: Deck heaters electrically heated for circulation through heaters

Answer

D: None of the above

Question 25

____ is considered as best material for IG blower impellers?

Accepted Answer

D: Aluminum

Answer

A: Chromium

Answer

B: Steel

Answer

C: Titanium

Question 26

IG blowers are to be fitted with inlet and outlet valves in gas line with ___seats?

Accepted Answer

D: Rubber

Answer

A: Copper

Answer

B: Aluminum

Answer

C: Leather

Question 27

There is an isolated fire on the poop deck, where should the master take control from?

Accepted Answer

D: The bridge

Answer

A: The ship's office

Answer

B: The emergency headquarters

Answer

C: The incident sites

Question 28

When starting a stripping operation in a hydraulically operated centrifugal cargo oil pump system the following are the right path to follow?

Accepted Answer

B: The cargo wells are designed to carry out self-stripping

Answer

A: Use a stripping vacuum system

Answer

C: Use a separate stripping pump

Answer

D: All of the above as the system and attachment deemed fit

Question 29

The IBC code defines ___ types of chemical tankers?

Accepted Answer

B: 3

Answer

A: 2

Answer

C: 4

Answer

D: 5

Question 30

At which level will the slop system high level alarm sound?

Accepted Answer

D: 95%

Answer

A: 97%

Answer

B: 96%

Answer

C: 98%

Oil and Chemical Tanker Cargo Operations (OCTCO/OCTF) (Set 7)

How much volume of air needs to be changed in pump room?

Questions in OCTCO/OCTF Set 7

Question Discussion & Notes

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