TASCO - Advanced Training for Oil Tanker Cargo Operations Exit Exam Questions - Set 3

Question 1

What is a material safety data sheet (MSDS)?

Accepted Answer

D: document identifying a substance and all its constituents

Answer

A: It is used for finding out the effects of inhalation

Answer

B: document giving the chemical name of the product

Answer

C: It is used for finding out the dangers of contract

Question 2

What is hot work?

Accepted Answer

A: Work involving sources of ignition or temperatures sufficiently high to cause the ignition of a flammable gas mixture.

Answer

B: Hot work is carried out in high ambient temperatures

Answer

C: Work carried out using hot material

Answer

D: The temperature is very high where the work is done

Question 3

What is volatile petroleum?

Accepted Answer

B: Petroleum having a flashpoint below 60 Degrees C

Answer

A: Petroleum having a flashpoint below 100 Degrees C

Answer

C: Petroleum having a flashpoint above 100 Degrees C

Answer

D: Petroleum having a flashpoint above 60 Degrees C

Question 4

What is flash point?

Accepted Answer

A: The lowest temperature at which a liquid gives off sufficient gas to form a flammable gas mixture near the surface of the liquid.

Answer

B: The temperature at which the liquid stops emitting gas

Answer

C: The temperature at which the gas is not flammable

Answer

D: The temperature at which an explosion is not possible

Question 5

What is non-volatile petroleum?

Accepted Answer

B: Petroleum having a flashpoint of 60 Degrees C or above

Answer

A: Petroleum having a flashpoint of 100 Degrees C or above

Answer

C: Petroleum having a flashpoint of 60 Degrees C or below

Answer

D: Petroleum having a flashpoint of 100 Degrees C or below

Question 6

What is purging?

Accepted Answer

D: The introduction of inert gas into a tank already in the inert condition to further reduce the existing oxygen content or hydrocarbon gas content to a level below which combustion cannot take place if air is introduced

Answer

A: Introducing of oxygen into a tank to a high level

Answer

B: Using natural ventilation to gas free a tank

Answer

C: Using blowers to push oxygen into a tank

Question 7

What is a Corona?

Accepted Answer

A: Corona is a diffuse discharge from a single sharp conductor that slowly releases some of the available energy. Generally, corona on its own is incapable of igniting a gas.

Answer

B: Corona is a diffuse discharge from a single sharp conductor that slowly releases some of the available energy. Generally, corona on its own is incapable of igniting a gas if it is a lean mixture

Answer

C: Corona is a diffuse discharge from a single sharp conductor that slowly releases some of the available energy. Generally, corona on its own is capable of igniting a gas.

Question 8

What is putrifaction?

Accepted Answer

A: Most animal and vegetable oils undergo decomposition over time in stored condition

Answer

B: Most animal and vegetable oils undergo decomposition over time in stored condition, when heated beyond a particular temperature which varies for each and every oil

Answer

C: Most animal and vegetable oils undergo decomposition over time in stored condition, when heated

Question 9

Fuel must be heated to its ___________ before it starts burning.

Accepted Answer

B: ignition temperature

Answer

A: flash point

Answer

C: fire point

Answer

D: boiling point

Question 10

What is Nitrogen Asphxiation?

Accepted Answer

B: It is unconsciousness caused by Nitrogen can lead to death

Answer

A: It is unconsciousness caused by Inert gas can lead to death

Answer

C: Nitrogen, which is non-flammable, non-toxic and colourless

Answer

D: Nitrogen which is undetectable to the human senses

Question 11

What is Toxicity

Accepted Answer

A: Toxicity is the degree to which a substance or mixture of substances can harm humans.

Answer

B: Toxicity means Acidic

Answer

C: Toxicity means poisonous and affects you on oral consumption

Answer

D: None of the above

Question 12

What is Time Weighted Average?

Accepted Answer

A: Averaging all the exposure times for a time period 8 hours

Answer

B: Highest exposure time

Answer

C: Short Term exposure time

Answer

D: Exposure time

Question 13

Which is a non-accumulator of charges?

Accepted Answer

D: Kotones is a Non-accumulator of charges

Answer

A: Toluene is a Non-accumulator of charges

Answer

B: Alcohols is an Accumulator of charges

Answer

C: Cyclohexane is a Non-accumulator of charges

Question 14

What is Auto-ignition?

Accepted Answer

B: The ignition of a combustible material without initiation by a spark or flame, when the material has been raised to a temperature at which self-sustaining combustion occurs.

Answer

A: Ignition of materials when they come in contact with each other

Answer

C: Automatic ignition of material in a hot atmosphere

Answer

D: Ignition caused by mixture of vapours given of by cargoes

Question 15

Rapid combustion takes place in coal mines.

Accepted Answer

A: True

Answer

B: False

Question 16

Which of the following is a supporter of combustion?

Accepted Answer

A: oxygen gas

Answer

B: producer gas

Answer

C: nitrogen gas

Answer

D: cooking gas

Question 17

Substances which catch fire are called acids.

Accepted Answer

B: False

Answer

A: True

Question 18

Tank clingage depends on:

Accepted Answer

B: cohesive, adhesive forces and surface tension

Answer

A: cohesive forces, adhesive forces and the liquids melting point

Answer

C: surface tension only

Answer

D: cohesive and adhesive forces

Question 19

Oxygen Analyzer: what is your key finding in measuring oxygen level?

Accepted Answer

B: Portable oxygen analyzers are normally used to determine whether the atmosphere inside an enclosed space (cargo tank for example) may be considered fully inerted or safe for entry.

Answer

A: Oxygen is strongly paramagnetic whereas most other common gases are not.

Answer

C: Fixed oxygen analyzers can be used for monitoring the oxygen content of the boiler uptakes and the inert gas main.

Answer

D: The common types of oxygen analyzers in use are, Paramagnetic sensors and Electrochemical sensors.

Question 20

Key Features and Measurement of an Effective Safety Culture; identify one statement that identifies an effective safety culture

Accepted Answer

B: safety management system that is always setting targets for continuous improvement, with a goal of zero accidents

Answer

A: Recognition that all accidents are preventable and only usually occur following unsafe actions or a failure to follow established procedures

Answer

C: Individual seafarers assume responsibility for safety rather than relying on others to provide it

Answer

D: Through mutual respect, increasing confidence in the value of the safety culture results in a more effective Safety Management System

Question 21

What is the maximum interval of time between sampling and analysing for each sampling head location sequentially?

Accepted Answer

A: Not exceeding 30 minutes interval

Answer

B: Not exceeding 40 minutes interval

Answer

C: Not exceeding 50 minutes interval

Answer

D: Not exceeding 60 minutes interval

Question 22

For entering an enclosed space, 21% ___________ is necessary.

Accepted Answer

B: Oxygen

Answer

A: Nitrogen

Answer

C: carbondioxide

Question 23

What is the least a person should do before entering machinery spaces?

Accepted Answer

C: Wear appropriate personal protective equipment

Answer

A: Inform the bridge

Answer

B: Inform his superiors

Question 24

Class D fires involve

Accepted Answer

D: Combustible materials such as magnesium, sodium, etc.

Answer

A: Vapour/air mixture over the surface of flammable liquids

Answer

B: Solid cellulosic materials such as wood, paper, clothing, etc.

Answer

C: Energised electrical equipment

Question 25

The hydrocarbon content in the atmosphere of a pump room is measured using a

Accepted Answer

C: The Draeger instrument

Answer

A: Alarm system detector

Answer

B: Explosimeter

Answer

D: Tankscope

Question 26

What is the limitation of a combustible gas detector of catalytic combustion type?

Accepted Answer

D: It cannot be used for measurement in nitrogen

Answer

A: It cannot be used for measurement in air

Answer

B: It cannot be used for measurement in oxygen

Answer

C: It cannot be used for measurement in methane

Question 27

The manifold pressure when loading oil cargo should be

Accepted Answer

A: 'Zero'

Answer

B: Below the cargo tank pressure

Answer

C: Above atmospheric pressure

Answer

D: Above the cargo tank pressure

Question 28

What is the maximum reliable shelf life of a filter gas mask canister if the seal is unbroken?

Accepted Answer

B: 5 years from the date of manufacture

Answer

A: 1 year from the date of manufacture

Answer

C: 7 years from the date of manufacture

Answer

D: 3 years from the date of manufacture

Question 29

Vapours having low relative density than air will be found at the ___________ of the enclosed space.

Accepted Answer

A: top

Answer

B: middle

Answer

C: bottom

Question 30

Which step is NOT generally taken when gas-freeing a tank?

Accepted Answer

C: Application of degreasing solvents

Answer

A: Washing the tank interior with sea water

Answer

B: Removal of corrosion products and sludge

Answer

D: Fresh air ventilation

Advanced Training for Oil Tanker Cargo Operations (TASCO) (Set 3)

What is a material safety data sheet (MSDS)?

Questions in TASCO Set 3

Question Discussion & Notes

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