LGTCO/LGTF - Liquefied Gas Tanker Cargo Operations Exit Exam Questions - Set 11

Question 1

What should be done if unexpected cargo rate increase occurs?

Accepted Answer

D: inform responsible officer and terminal immediately

Answer

A: continue operation and check later

Answer

B: open nearby drains to atmosphere

Answer

C: silence alarms and ignore

Question 2

How does checklist discipline support safe LGTF operations?

Accepted Answer

D: ensures critical steps are not missed

Answer

A: by replacing cargo equipment maintenance

Answer

B: by allowing alarms to be ignored

Answer

C: by removing the need for training

Question 3

What does ship-shore compatibility help control during ship-shore gas transfer?

Accepted Answer

D: ensures hoses, arms, pressures, and ESD links are suitable

Answer

A: crew overtime calculation

Answer

B: galley stores inventory

Answer

C: lifeboat engine oil grade

Question 4

In gas tanker training, propane is best described as:

Accepted Answer

D: flammable LPG cargo commonly carried in gas tankers

Answer

A: a dry bulk cargo carried in holds

Answer

B: a general container cargo

Answer

C: a residual fuel oil cargo

Question 5

Why is methanol injection important in liquefied gas tanker cargo operations?

Accepted Answer

C: may be used in some systems to prevent hydrate formation

Answer

A: it replaces gas detection

Answer

B: it is only important during anchoring

Answer

D: it allows all cargoes to be mixed freely

Question 6

Why is moisture control important in liquefied gas tanker cargo operations?

Accepted Answer

C: prevents ice formation in cold cargo systems

Answer

A: it is only important during anchoring

Answer

B: it replaces gas detection

Answer

D: it allows all cargoes to be mixed freely

Question 7

Which statement best explains the safety importance of flammable range on an LGTF operation?

Accepted Answer

B: a mixture can burn only between its lower and upper flammable limits

Answer

A: it removes the need for gas detection

Answer

C: it only affects paperwork and not operations

Answer

D: it allows all deck work without permits

Question 8

Which statement best explains the safety importance of thermal contraction on an LGTF operation?

Accepted Answer

A: materials can become brittle if not suitable for low temperature service

Answer

B: it removes the need for gas detection

Answer

C: it only affects paperwork and not operations

Answer

D: it allows all deck work without permits

Question 9

Which statement best explains the safety importance of vapour density greater than air on an LGTF operation?

Accepted Answer

B: vapour may accumulate in low areas and create a flammable cloud

Answer

A: it removes the need for gas detection

Answer

C: it only affects paperwork and not operations

Answer

D: it allows all deck work without permits

Question 10

Which statement best explains the safety importance of low flash point on an LGTF operation?

Accepted Answer

C: vapour can ignite readily if an ignition source is present

Answer

A: it only affects paperwork and not operations

Answer

B: it removes the need for gas detection

Answer

D: it allows all deck work without permits

Question 11

Which statement about foam is correct for gas tanker emergencies?

Accepted Answer

C: generally not effective on many liquefied gas fires like it is on oil fires

Answer

A: it is used to increase vapour pressure

Answer

B: it replaces the need for emergency shutdown

Answer

D: it allows cargo transfer to continue during fire

Question 12

Which statement about initial leak response is correct for gas tanker emergencies?

Accepted Answer

B: raise alarm, avoid ignition, and inform responsible officers

Answer

A: it replaces the need for emergency shutdown

Answer

C: it is used to increase vapour pressure

Answer

D: it allows cargo transfer to continue during fire

Question 13

Which statement about isolation of fuel source is correct for gas tanker emergencies?

Accepted Answer

B: a primary action to stop a gas-fed fire

Answer

A: it is used to increase vapour pressure

Answer

C: it replaces the need for emergency shutdown

Answer

D: it allows cargo transfer to continue during fire

Question 14

Which statement about water spray is correct for gas tanker emergencies?

Accepted Answer

B: used for cooling, vapour control, and personnel protection

Answer

A: it is used to increase vapour pressure

Answer

C: it replaces the need for emergency shutdown

Answer

D: it allows cargo transfer to continue during fire

Question 15

Which statement about evacuation upwind is correct for gas tanker emergencies?

Accepted Answer

C: reduces exposure to gas vapours

Answer

A: it is used to increase vapour pressure

Answer

B: it replaces the need for emergency shutdown

Answer

D: it allows cargo transfer to continue during fire

Question 16

Why is communication arrangement important before or during enclosed space work on gas carriers?

Accepted Answer

B: keeps entrant and standby person in contact

Answer

A: it speeds up cargo documentation only

Answer

C: it is needed only for passenger vessels

Answer

D: it allows entry without atmosphere testing

Question 17

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

Accepted Answer

A: prevents accidental release of cargo or energy into the space

Answer

B: it is needed only for passenger vessels

Answer

C: it speeds up cargo documentation only

Answer

D: it allows entry without atmosphere testing

Question 18

Why is proper disposal of residues important during liquefied gas tanker operations?

Accepted Answer

B: prevents pollution and unsafe exposure

Answer

A: it is used to increase cargo boil-off

Answer

C: it only improves cabin comfort

Answer

D: it eliminates all training requirements

Question 19

What does weather limits help control during ship-shore gas transfer?

Accepted Answer

A: conditions beyond which cargo work may need to stop

Answer

B: lifeboat engine oil grade

Answer

C: crew overtime calculation

Answer

D: galley stores inventory

Question 20

What does emergency signal help control during ship-shore gas transfer?

Accepted Answer

B: pre-agreed method to stop transfer in danger

Answer

A: lifeboat engine oil grade

Answer

C: crew overtime calculation

Answer

D: galley stores inventory

Question 21

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

Accepted Answer

B: pressure exerted by vapour above a liquid cargo

Answer

A: it only affects paint colour

Answer

C: it is unrelated to cargo safety

Answer

D: it eliminates the need for pressure monitoring

Question 22

What does pre-arrival exchange help control during ship-shore gas transfer?

Accepted Answer

B: sharing cargo, equipment, and operational information before arrival

Answer

A: crew overtime calculation

Answer

C: lifeboat engine oil grade

Answer

D: galley stores inventory

Question 23

Which statement about tank pressure rise is correct on a liquefied gas tanker?

Accepted Answer

A: may result from heat ingress or excessive vapour generation

Answer

B: it is unrelated to cargo safety

Answer

C: it only affects paint colour

Answer

D: it eliminates the need for pressure monitoring

Question 24

What does mooring watch help control during ship-shore gas transfer?

Accepted Answer

C: maintains safe position during cargo transfer

Answer

A: crew overtime calculation

Answer

B: lifeboat engine oil grade

Answer

D: galley stores inventory

Question 25

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

Accepted Answer

C: protects closed liquid-filled pipelines from pressure rise

Answer

A: it only affects paint colour

Answer

B: it is unrelated to cargo safety

Answer

D: it eliminates the need for pressure monitoring

Question 26

Why is cargo sample important in liquefied gas tanker cargo operations?

Accepted Answer

B: helps verify cargo quality or composition

Answer

A: it replaces gas detection

Answer

C: it allows all cargoes to be mixed freely

Answer

D: it is only important during anchoring

Question 27

What is the purpose of calibrated gas detector when maintaining gas cargo systems?

Accepted Answer

D: gives more reliable atmosphere readings

Answer

A: to avoid recording the job

Answer

B: to bypass isolation requirements

Answer

C: to increase cargo loading pressure

Question 28

Why is certificate of inhibition important in liquefied gas tanker cargo operations?

Accepted Answer

C: may be required for inhibited reactive cargoes

Answer

A: it allows all cargoes to be mixed freely

Answer

B: it replaces gas detection

Answer

D: it is only important during anchoring

Question 29

Which statement correctly describes the purpose of a sampling connection?

Accepted Answer

A: allow controlled collection of cargo sample when permitted

Answer

B: it is used only for navigation

Answer

C: it prevents the need for emergency drills

Answer

D: it is only required in accommodation spaces

Question 30

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

Accepted Answer

B: affects vapour pressure and cargo condition

Answer

A: it only affects paint colour

Answer

C: it eliminates the need for pressure monitoring

Answer

D: it is unrelated to cargo safety

Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF) (Set 11)

What should be done if unexpected cargo rate increase occurs?

Questions in LGTCO/LGTF Set 11

Question Discussion & Notes

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