LGTCO/LGTF - Liquefied Gas Tanker Cargo Operations Exit Exam Questions - Set 10

Question 1

Which comparison is correct for LNG/LPG awareness? LNG is mainly methane;

Accepted Answer

D: LPG is mainly propane and/or butane

Answer

A: LPG is always carried in open tanks

Answer

B: LNG and LPG have no flammability hazard

Answer

C: LNG and LPG are always carried as dry bulk cargo

Question 2

What is the main purpose of eye protection during liquefied gas tanker operations?

Accepted Answer

D: protect eyes from spray, vapour irritation, and splashes

Answer

A: to bypass the permit system

Answer

B: to increase cargo loading rate

Answer

C: to replace fixed gas detection systems

Question 3

What is the main purpose of cryogenic gloves during liquefied gas tanker operations?

Accepted Answer

D: protect hands from very cold liquid or cold surfaces

Answer

A: to replace fixed gas detection systems

Answer

B: to increase cargo loading rate

Answer

C: to bypass the permit system

Question 4

Which comparison is correct for LNG/LPG awareness? LNG is not the same as fuel oil;

Accepted Answer

D: LPG is not the same as crude oil

Answer

A: LPG is always carried in open tanks

Answer

B: LNG and LPG are always carried as dry bulk cargo

Answer

C: LNG and LPG have no flammability hazard

Question 5

Why is cargo release prevention important during liquefied gas tanker operations?

Accepted Answer

D: protects personnel, ship, terminal, and environment

Answer

A: it only improves cabin comfort

Answer

B: it is used to increase cargo boil-off

Answer

C: it eliminates all training requirements

Question 6

Which statement about pressure relief valve is correct on a liquefied gas tanker?

Accepted Answer

D: protects the tank from overpressure

Answer

A: it only affects paint colour

Answer

B: it eliminates the need for pressure monitoring

Answer

C: it is unrelated to cargo safety

Question 7

Which comparison is correct for LNG/LPG awareness? LNG vapour is very cold when released;

Accepted Answer

D: LPG vapours are commonly heavier than air

Answer

A: LPG is always carried in open tanks

Answer

B: LNG and LPG are always carried as dry bulk cargo

Answer

C: LNG and LPG have no flammability hazard

Question 8

What is the purpose of blind flange when maintaining gas cargo systems?

Accepted Answer

D: provides positive isolation when properly installed

Answer

A: to bypass isolation requirements

Answer

B: to avoid recording the job

Answer

C: to increase cargo loading pressure

Question 9

Which statement about low temperature material is correct on a liquefied gas tanker?

Accepted Answer

D: material suitable for cryogenic or refrigerated service

Answer

A: it only affects paint colour

Answer

B: it is unrelated to cargo safety

Answer

C: it eliminates the need for pressure monitoring

Question 10

What does manifold pressure limit help control during ship-shore gas transfer?

Accepted Answer

D: maximum pressure agreed to protect ship and shore systems

Answer

A: galley stores inventory

Answer

B: crew overtime calculation

Answer

C: lifeboat engine oil grade

Question 11

In gas tanker safety, what does bonding and earthing mean or achieve?

Accepted Answer

D: methods used to reduce static electricity risk

Answer

A: a certificate for crew accommodation

Answer

B: a method for increasing cargo temperature

Answer

C: a way to increase tank pressure intentionally

Question 12

What is the purpose of cargo control watch during LGTF cargo operations?

Accepted Answer

D: monitor tank levels, pressures, alarms, and transfer status

Answer

A: to permit unattended transfer

Answer

B: to avoid using checklists

Answer

C: to increase cargo temperature deliberately

Question 13

Which statement correctly describes the purpose of a cargo compressor?

Accepted Answer

D: move cargo vapour or support reliquefaction operations

Answer

A: it is used only for navigation

Answer

B: it is only required in accommodation spaces

Answer

C: it prevents the need for emergency drills

Question 14

Which statement correctly describes the purpose of a cargo pump?

Accepted Answer

D: move liquid cargo during discharge or internal transfer

Answer

A: it prevents the need for emergency drills

Answer

B: it is only required in accommodation spaces

Answer

C: it is used only for navigation

Question 15

Why is rescue plan important before or during enclosed space work on gas carriers?

Accepted Answer

D: must be prepared before entry begins

Answer

A: it allows entry without atmosphere testing

Answer

B: it speeds up cargo documentation only

Answer

C: it is needed only for passenger vessels

Question 16

Select the correct answer: A minor gas alarm should be ignored during cargo transfer.

Accepted Answer

A: Only in port state inspection

Answer

B: Cannot be decided by safety rules

Answer

C: FALSE

Answer

D: Only during dry dock

Question 17

Select the correct answer: Personnel should stand downwind of a suspected gas leak.

Accepted Answer

C: FALSE

Answer

A: Only in port state inspection

Answer

B: Cannot be decided by safety rules

Answer

D: Only during dry dock

Question 18

Select the correct answer: Emergency shutdown systems must be tested and kept operational.

Accepted Answer

A: TRUE

Answer

B: Only during dry dock

Answer

C: Cannot be decided by safety rules

Answer

D: Only in port state inspection

Question 19

Select the correct answer: Cryogenic cargo can damage unsuitable steel by low-temperature embrittlement.

Accepted Answer

C: Cannot be decided by safety rules

Answer

A: Only during dry dock

Answer

B: TRUE

Answer

D: Only in port state inspection

Question 20

Select the correct answer: A cargo safety data sheet helps understand cargo hazards.

Accepted Answer

A: Cannot be decided by safety rules

Answer

B: Only during dry dock

Answer

C: TRUE

Answer

D: Only in port state inspection

Question 21

Which statement about BLEVE prevention is correct for gas tanker emergencies?

Accepted Answer

D: keep tanks cooled and prevent fire heating of pressurised vessels

Answer

A: it is used to increase vapour pressure

Answer

B: it replaces the need for emergency shutdown

Answer

C: it allows cargo transfer to continue during fire

Question 22

What is the safest action during discharge on a liquefied gas tanker?

Accepted Answer

C: monitor pump performance, tank pressure, and manifold pressure

Answer

A: leave the manifold unattended

Answer

B: ignore minor abnormal readings

Answer

D: open all valves to save time

Question 23

Why is waste segregation important during liquefied gas tanker operations?

Accepted Answer

D: keeps contaminated materials controlled

Answer

A: it eliminates all training requirements

Answer

B: it only improves cabin comfort

Answer

C: it is used to increase cargo boil-off

Question 24

What is the safest action at completion of transfer on a liquefied gas tanker?

Accepted Answer

C: reconcile quantities and secure valves according to procedure

Answer

A: ignore minor abnormal readings

Answer

B: leave the manifold unattended

Answer

D: open all valves to save time

Question 25

Why is segregation important in liquefied gas tanker cargo operations?

Accepted Answer

D: keeps incompatible cargoes or systems separated

Answer

A: it allows all cargoes to be mixed freely

Answer

B: it replaces gas detection

Answer

C: it is only important during anchoring

Question 26

What should be done if gas alarm activates in a cargo compressor room?

Accepted Answer

B: do not enter without proper precautions and follow emergency response procedures

Answer

A: silence alarms and ignore

Answer

C: continue operation and check later

Answer

D: open nearby drains to atmosphere

Question 27

What should be done if communication with shore is lost?

Accepted Answer

B: stop or suspend transfer according to agreed procedure

Answer

A: silence alarms and ignore

Answer

C: continue operation and check later

Answer

D: open nearby drains to atmosphere

Question 28

What should be done if fire occurs near cargo manifold?

Accepted Answer

A: activate alarm, ESD, firefighting, and emergency response

Answer

B: continue operation and check later

Answer

C: silence alarms and ignore

Answer

D: open nearby drains to atmosphere

Question 29

A gas tanker deck watch should immediately report:

Accepted Answer

D: leaks, abnormal noises, alarms, pressure changes, or unsafe acts

Answer

A: to ignore minor changes

Answer

B: to wait until the next port

Answer

C: to continue without supervision

Question 30

What is the purpose of record keeping during LGTF cargo operations?

Accepted Answer

D: document important operation times and changes

Answer

A: to increase cargo temperature deliberately

Answer

B: to avoid using checklists

Answer

C: to permit unattended transfer

Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF) (Set 10)

Which comparison is correct for LNG/LPG awareness? LNG is mainly methane;

Questions in LGTCO/LGTF Set 10

Question Discussion & Notes

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