Question 1 Remove Topic Question Text Which topic is specifically listed as a Day 4 learning objective? Explanation The learning objectives explicitly include understanding filling limit, loading limit, and reference temperature. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 2 Remove Topic Question Text What is the stated maximum flow rate for a 16-inch liquid manifold on the VLEC loading table? Explanation The Day 4 pipeline table shows a 16-inch liquid manifold with a maximum flow rate of 3100 m3/h. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 3 Remove Topic Question Text What total loading capacity is given when using both liquid headers simultaneously? Explanation The loading capacity slide states a maximum total loading capacity of 5200 m3/h using both liquid headers. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 4 Remove Topic Question Text During loading, what tank pressure range should be maintained using the reliquefaction plant? Explanation The pressure management guidance says to use compressors to maintain tank pressure in the 0.04 to 0.20 barG range. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 5 Remove Topic Question Text In loading with vapour return, what is normally returned to the terminal? Explanation With vapour return, the initial tank atmosphere such as nitrogen or mixed atmosphere is returned to the terminal. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 6 Remove Topic Question Text Without vapour return, what system is used to manage rising tank vapour pressure? Explanation When vapour return is unavailable, the reliquefaction plant compresses and liquefies displaced vapour to control tank pressure. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 7 Remove Topic Question Text Which of the following is part of pre-loading preparation? Explanation The pre-loading preparation slide includes custody transfer measurement, communication checks, arm connection, and safety checks. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 8 Remove Topic Question Text Which condition is listed as an automatic Emergency Shutdown trigger? Explanation The ESD trigger slide states that overfill alarm activation automatically triggers ESD. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 9 Remove Topic Question Text At approximately what temperature do fusible plugs melt to trigger ESD and water spray? Explanation The fusible plugs are described as melting in a fire between about 98C and 104C. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 10 Remove Topic Question Text What happens to cargo pumps and compressors when ESD is activated? Explanation ESD causes all cargo pumps, booster pumps, cargo compressors, and refrigerant compressors to stop. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 11 Remove Topic Question Text What is the main function of ESD2 in the loading arm system? Explanation The ESD1/ESD2 slide states that ESD2 is the release of loading arms via the Powered Emergency Release Coupling. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 12 Remove Topic Question Text What remains on the ship's manifold after PERC release? Explanation The PERC description notes that the lower section remains on the ship's manifold after coupling release. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 13 Remove Topic Question Text When should the cold ESD test be performed? Explanation Cold ESD is performed after lines and arms are cooled down, under actual cryogenic conditions. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 14 Remove Topic Question Text According to IGC Code 18.10.2, within what time should liquid piping ESD valves close fully and smoothly? Explanation The ESD trip test slide states that liquid line ESD valves must close fully and smoothly within 30 seconds. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 15 Remove Topic Question Text What filling limit is stated under IGC Code Chapter 15 on the Day 4 slides? Explanation The filling limits slide states a filling limit of 98.0%. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 16 Remove Topic Question Text In the loading limit formula, what does reference temperature mean? Explanation Reference temperature is defined as the temperature corresponding to the saturated vapor pressure of the LEG at the set pressure of the pressure relief valves. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 17 Remove Topic Question Text For membrane tanks, what upper level is shown as a sloshing restriction limit for sea-going conditions? Explanation The sloshing restrictions slide shows an upper limit of 70% H and a lower limit of 10% H. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 18 Remove Topic Question Text At the beginning of loading, when should the operator request a rate increase from the terminal? Explanation The loading start procedure says to request rate increase only after pressure is stable. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 19 Remove Topic Question Text Why are tank levels staggered before topping off? Explanation Staggering tank levels helps avoid simultaneous completion and allows topping-off to be controlled more safely. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 20 Remove Topic Question Text When is a high-level alarm test required by raising cargo liquid to the alarm point? Explanation The high-level alarm test requirement is stated for the first full loading after delivery and after each dry-docking. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 21 Remove Topic Question Text At what level does the filling valve close at Very High level in Tank 1? Explanation For Tank 1, LAVH (Very High) is shown as 98.5% and causes the filling valve to close. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 22 Remove Topic Question Text Why should reliquefaction plant suction be stopped before topping off? Explanation Stopping reliquefaction suction reduces surface evaporation and allows a more accurate sounding. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 23 Remove Topic Question Text After loading, why should one filling valve be kept open? Explanation The post-loading guidance says one filling valve should remain open to drain entrapped liquid and protect against thermal expansion. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 24 Remove Topic Question Text What is the principal objective during cargo arm disconnection? Explanation The arm disconnection overview states that the principal objective is to eliminate liquid release risk and minimize vapour release to atmosphere. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 25 Remove Topic Question Text What gas-content condition is required at the manifold drain before final disconnection? Explanation The final disconnection slide specifies CH4 less than 2% at the manifold drain. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 26 Remove Topic Question Text Where is the motor located on the deep-well centrifugal cargo pump arrangement? Explanation The Day 4 cargo pump slide describes a motor on the tank dome with a long shaft to the pump. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 27 Remove Topic Question Text What rated flow capacity is given for the Day 4 cargo pump specification overview? Explanation The pump specification slide lists a capacity of 650 m3/h. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 28 Remove Topic Question Text What is the key advantage of the double mechanical seal with pressurized oil? Explanation The shaft sealing system uses pressurized oil and double mechanical seals to prevent cargo leakage to atmosphere. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 29 Remove Topic Question Text What pressure should the shaft seal be maintained at relative to tank pressure after filling? Explanation The filling procedure states that shaft seal pressure should be 1 bar above tank pressure. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 30 Remove Topic Question Text When should the shaft sealing system be refilled? Explanation The refill guidance says refill is needed when shaft seal pressure approaches the minimum requirement of 0.4 bar above tank pressure. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
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