#38 TANKER TRAINING SYSTEM ­V


38 TANKER TRAINING SYSTEM ( ADV. )

A O/O- ship means Ore/Oil, but what can she really carry?

+ Either ore or oil

Where do you find the design standards for new ships (oil tankers) ?

+ In regulation 13F of Annex I of MARPOL 73/78

When will the new regulation regarding “phase-out” of single hull tankers enter into force?

+ September 2002

What types of ships are commonly known as Pre-MARPOL tankers ?

+ A ship which DO NOT comply with the requirements for protectively located segregate ballast tanks

Why were first generation oil tankers equipped with trunk-ways or “summer tanks”?

+ To reduce large area of free surface

What is the name of the hydrocarbon, which is composed of one carbon atom and four hydrogen atoms?

+ Methane

What is sweet crude?

+ Crude with low levels of sulphur

Where do we find unsaturated hydrocarbons?

+ In alkenes

What is the max quantity of oil to be discharged into the sea outside of special areas (new tankers)?

+ 1/30 000 of total quantity of the particular cargo

What is the name of molecules, which is capable to polymerise?

+ Monomers

What is the max allowable oil content in “arrival ballast” ?

+ 15 ppm

What are important factors in order to eliminate the risk of fire and explosion in the cargo area on a tanker?

+ Avoid source of ignition & flammable atmosphere

Where do we find information regarding mechanical ventilation in cargo tanks ?

+ SOLAS

What is the most suitable and convenient equipment to use for measuring very low concentration of toxic gas ?

+ Chemical indicator tubes

What is the most common cooling agent?

+ Water

What is maximum oil content in the arrival ballast water ?

+ 15 ppm

What is the max oil content in the ballast/washing water allowed to be pumped overboard outside special areas during voyage ?

+ 30 litres per n/mile

What is the name of the instrument checking the oil content in the ballast / washing water pumped overboard ?

+ Oil Discharge Monitoring Equipment

What is the maximum total quantity of oil allowed to be discharged into the sea from ”new tankers”?

+ 1/30000 of total quantity of the particular cargo

Where to report a discharge or probably discharge of oil at sea ?

+ To the nearest coastal State

With regard to the phase-out timetable,

With regard to the phase-out timetable, what is the principle cut-off date for all single hull tankers ?

+ In 2015

What is the main purpose with an expansion coupling?

+ Make the pipes capable to move back & forth in side the coupling

What is the name of the line, which is used to strip the last amounts of cargo ashore ?

+ Small diameter line

What is the maximum length of an oil tank ?

+ The maximum length 20% L ( L is length of the vessel )

What is required number(s) of wash bulkhead(s) if the length of the tank exceeds 10 % L or 15 m ?

+ Minimum three wash bulkheads

With regard to cargo heating what is the recommended carrying temperature on waxy crude pour points over 100 F ?

+ From 120 F to 135 F

Why are some types crude oils that contain paraffin wax heated ?

+ To stop excessive deposits of wax forming on cooling surfaces

What is VEF ( vessel experience factor)?

+ Experiences difference between the ship cargo figure & the Bill of Lading figure

What is the def of NSV (net standard temperature) ?

+ NSV = NOV corrected to standard temperature

Do the presence of in gas prevent evaporation and loss of cargo ?

+ No

Why should naphtha based condensate never be shipped on unclean tanks containing crude oil ROB ?

+ The condensate can form chemical composition such as asphalt

How to determine the density of the slop after tank washing ?

+ By use of a Hydrometer

What will govern the behavior of the crude oil during the voyage ?

+ The cloud point

What will happen if a centrifugal pump is fitted without a non-return valve on the delivery side ?

+ Full back flow at the time the pump stops

What is the most negative side of a centrifugal pump ?

+ The lack of self-priming capacity

A steam driven piston pump is self-operating, while other stripping systems are depending of the use of cargo pump(s). Which one(s) of the following are depending of cargo pump(s) ?

+ Ejector & the vacuum strip

What will be the manometer pressure after the pump if you are pumping, with a centrifugal pump, water with density of 1000 kg/m3 and the head is 100 m ?

+ 981 kPa

Which international convention dealing fire-fighting arrangement etc. ?

+ SOLAS

What is jettison of cargo?

+ Pump cargo overboard in case of emergency

What will be the ship's supplementary fire alarm signal while alongside a terminal ?

+ By a series of long blast on the ships whistle

What is the maximum oxygen content in the supplied inert gas during operation ?

+ Not exceed 5% by volume

What is the maximum oxygen in the cargo tanks content during operation ?

+ Not exceed 8% by volume

During discharging operating, the inert gas is replacing the discharge cargo. What is the requirement to the inert gas plant's capacity ?

+ At least 125% of the maximum discharge rate

What is the purpose of the scrubber?

+ To cool the volume of the IG and remove contaminants

What is requirement with regard to number of inert gas blowers on a flue gas plant ?

+ At least 2 blowers

What is the requirement to member of non-return device to be fitted in the inert gas supply main ?

+ At least 2 non-return devices

In connection with IG system, what type of device to be fitted on the navigation bridge ?

+ Meter to indicate IG pressure forward of the non-return device



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