LGTCO/LGTF - Liquefied Gas Tanker Cargo Operations Exit Exam Questions - Set 9

Question 1

The most important attitude for gas tanker safety is:

Accepted Answer

D: strict compliance with procedures and early reporting of hazards

Answer

A: to wait until the next port

Answer

B: to continue without supervision

Answer

C: to ignore minor changes

Question 2

In gas tanker safety, what does flammable range mean or achieve?

Accepted Answer

D: the concentration band between LEL and UEL

Answer

A: a way to increase tank pressure intentionally

Answer

B: a method for increasing cargo temperature

Answer

C: a certificate for crew accommodation

Question 3

What should be done if a strong gas smell is detected at the manifold?

Accepted Answer

D: raise alarm, stop work if needed, and investigate from a safe position

Answer

A: silence alarms and ignore

Answer

B: open nearby drains to atmosphere

Answer

C: continue operation and check later

Question 4

Why is closed sampling important during liquefied gas tanker operations?

Accepted Answer

D: reduces exposure and vapour release

Answer

A: it is used to increase cargo boil-off

Answer

B: it only improves cabin comfort

Answer

C: it eliminates all training requirements

Question 5

In LGTF operations, line draining is best defined as:

Accepted Answer

D: removing liquid cargo from lines before disconnection

Answer

A: a document used only by the catering department

Answer

B: a way to reduce voyage distance

Answer

C: a method to avoid all cargo sampling

Question 6

What is the purpose of toolbox talk when maintaining gas cargo systems?

Accepted Answer

D: reviews hazards and controls with the work team

Answer

A: to bypass isolation requirements

Answer

B: to avoid recording the job

Answer

C: to increase cargo loading pressure

Question 7

What does loading arm envelope help control during ship-shore gas transfer?

Accepted Answer

D: safe movement range for terminal loading arms

Answer

A: galley stores inventory

Answer

B: crew overtime calculation

Answer

C: lifeboat engine oil grade

Question 8

What is the role of knock-out drum in liquefied gas cargo handling?

Accepted Answer

D: separates liquid droplets from vapour before compression

Answer

A: to replace fire detection systems

Answer

B: to prepare lifeboat provisions

Answer

C: to reduce navigation watch requirements

Question 9

Which statement correctly describes the purpose of a pressure gauge?

Accepted Answer

D: show pressure in tanks or pipelines

Answer

A: it is only required in accommodation spaces

Answer

B: it is used only for navigation

Answer

C: it prevents the need for emergency drills

Question 10

What should be done if crew member enters danger area without PPE?

Accepted Answer

A: stop the unsafe act and report to supervisor

Answer

B: open nearby drains to atmosphere

Answer

C: continue operation and check later

Answer

D: silence alarms and ignore

Question 11

What should be done if a person suffers cold liquid splash?

Accepted Answer

C: move to safety and start first aid while seeking medical help

Answer

A: continue operation and check later

Answer

B: open nearby drains to atmosphere

Answer

D: silence alarms and ignore

Question 12

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

Accepted Answer

D: start at a controlled rate while checking for leaks and temperature effects

Answer

A: ignore minor abnormal readings

Answer

B: leave the manifold unattended

Answer

C: open all valves to save time

Question 13

What is the safest action before hose disconnection on a liquefied gas tanker?

Accepted Answer

C: drain, depressurise, and isolate the cargo connection

Answer

A: open all valves to save time

Answer

B: ignore minor abnormal readings

Answer

D: leave the manifold unattended

Question 14

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

Accepted Answer

B: keep a continuous deck and cargo control watch

Answer

A: open all valves to save time

Answer

C: ignore minor abnormal readings

Answer

D: leave the manifold unattended

Question 15

What is the safest action before loading begins on a liquefied gas tanker?

Accepted Answer

A: complete ship-shore safety checks and confirm communications

Answer

B: ignore minor abnormal readings

Answer

C: open all valves to save time

Answer

D: leave the manifold unattended

Question 16

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

Accepted Answer

B: reduce loading rate and monitor tank level carefully

Answer

A: ignore minor abnormal readings

Answer

C: open all valves to save time

Answer

D: leave the manifold unattended

Question 17

Which comparison is correct for LNG/LPG awareness? LNG cargo containment often uses membrane or independent tank designs;

Accepted Answer

C: LPG often uses pressurised, semi-pressurised, or refrigerated tanks

Answer

A: LNG and LPG have no flammability hazard

Answer

B: LPG is always carried in open tanks

Answer

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

Question 18

Which comparison is correct for LNG/LPG awareness? LNG spill can create a cold vapour cloud;

Accepted Answer

A: LPG leak can collect in low areas

Answer

B: LPG is always carried in open tanks

Answer

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

Answer

D: LNG and LPG have no flammability hazard

Question 19

Which comparison is correct for LNG/LPG awareness? LNG tanks require very effective insulation;

Accepted Answer

B: LPG tank type depends on pressure and temperature design

Answer

A: LPG is always carried in open tanks

Answer

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

Answer

D: LNG and LPG have no flammability hazard

Question 20

What does terminal safety rules help control during ship-shore gas transfer?

Accepted Answer

D: local safety requirements to be followed alongside

Answer

A: crew overtime calculation

Answer

B: lifeboat engine oil grade

Answer

C: galley stores inventory

Question 21

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

Accepted Answer

D: personnel exposure must be controlled and monitored

Answer

A: it only affects paperwork and not operations

Answer

B: it removes the need for gas detection

Answer

C: it allows all deck work without permits

Question 22

How does stop work authority support safe LGTF operations?

Accepted Answer

D: personnel may stop work when safety is at risk

Answer

A: by removing the need for training

Answer

B: by replacing cargo equipment maintenance

Answer

C: by allowing alarms to be ignored

Question 23

How does emergency drills support safe LGTF operations?

Accepted Answer

D: prepare crew for real incidents

Answer

A: by removing the need for training

Answer

B: by replacing cargo equipment maintenance

Answer

C: by allowing alarms to be ignored

Question 24

Which statement correctly describes the purpose of a non-return valve?

Accepted Answer

D: prevent reverse flow in the cargo system

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 25

Which comparison is correct for LNG/LPG awareness? LNG is carried at very low cryogenic temperature;

Accepted Answer

C: Fully pressurised LPG may be carried at ambient temperature under pressure

Answer

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

Answer

B: LNG and LPG have no flammability hazard

Answer

D: LPG is always carried in open tanks

Question 26

Which comparison is correct for LNG/LPG awareness? LNG boil-off must be managed;

Accepted Answer

B: LPG carriers may use reliquefaction to control vapour

Answer

A: LNG and LPG have no flammability hazard

Answer

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

Answer

D: LPG is always carried in open tanks

Question 27

In gas tanker training, LPG is best described as:

Accepted Answer

D: propane and butane cargoes normally carried under pressure or refrigeration

Answer

A: a dry bulk cargo carried in holds

Answer

B: a residual fuel oil cargo

Answer

C: a general container cargo

Question 28

Which comparison is correct for LNG/LPG awareness? Both LNG and LPG require ignition source control;

Accepted Answer

A: Both LNG and LPG vapours can be hazardous

Answer

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

Answer

C: LNG and LPG have no flammability hazard

Answer

D: LPG is always carried in open tanks

Question 29

Which comparison is correct for LNG/LPG awareness? Methane is the principal LNG component;

Accepted Answer

D: Propane is a common LPG component

Answer

A: LNG and LPG have no flammability hazard

Answer

B: LPG is always carried in open tanks

Answer

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

Question 30

Which statement correctly describes the purpose of a strainer?

Accepted Answer

D: protect downstream equipment from debris

Answer

A: it is only required in accommodation spaces

Answer

B: it prevents the need for emergency drills

Answer

C: it is used only for navigation

Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF) (Set 9)

The most important attitude for gas tanker safety is:

Questions in LGTCO/LGTF Set 9

Question Discussion & Notes

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