08 stycznia 2006 Albercik
OIL TANKER TR.SYSTEM ADVANCED LEVEL
SELF STUDY COURSE
=====================================
INTRODUCTION
------------------------
1. Pyt. A O/O-ship mean Ore/Oil, but what can she really carry?
B Odp. Either ore or oil.
2. Pyt. Where do you find the design standards for new ships (oil tankers)?
C Odp. In regulation 13F of Annex I of MARPOL 73/78.
3. Pyt. When will the new regulation regarding "phase-out" of single hull tankers enter into
force?
A Odp. September 2002.
4. Pyt. What types of ships are commonly known as Pre-MARPOL tankers?
A Odp. A ship which do not comply with the requirements for protectively located segregated
ballast tanks.
5. Pyt. Why were first generation oil tankers equipped with trunk-ways or "summer tanks"?
A Odp. To reduce large area of free surface.
BASIC PROPERTIES OF PETROLEUM AND ITS HAZARDS
----------------------------------------------------------------------------------------
1. Pyt. What is the name of the hydrocarbon, which is composed of one carbon atom and
four hydrogen atoms?
B Odp. Methane.
2. Pyt. What is sweet crude?
B Odp. Crude with low levels of sulphur.
3. Pyt. Where do we find unsaturated hydrocarbons?
D Odp. In alkens.
4. Pyt. What is the maximum quantity of oil to be discharged into the sea outside of special
areas (new tankers)?
C Odp. 1/30,000 of the total quantity of the particual cargo.
5. Pyt. It is name of molecules,which is capable to polymerise?
B Odp. Monomers.
6. Pyt. What is the maximum allowable oil content in "arrival ballast"?
D Odp. 15 ppm.
SAFETY
------------
1. Pyt. What are important factors in order to eliminate the risk of fire and explosion in the
cargo area on a tanker?
B Odp. Avoid source of ignition and flammable atmosphere.
2. Pyt. Where do we find information regarding mechanical ventilation in cargo tanks?
C Odp. In SOLAS.
3. Pyt. What is the most suitable and convenient equipment to use for measuring very low
concetrations of toxic gas?
A Odp. Chemical indicator tubes.
4. Pyt. What is the most common cooling agent?
A Odp. Water.
POLLUTION PREVENTION
----------------------------------------
1. Pyt. What is the maximum oil content in arrival ballast water?
D Odp. 15 ppm.
2. Pyt. What is the maximum oil content in the ballast/washing water allowed to be pumped
over board outside special areas during a voyage?
B Odp. 30 liters pr. Nautical mile.
3. Pyt. What is the name of the instrument checking the oil content in the ballast/washing
water pumped over board?
B Odp. Oil discharge monitoring equipment.
4. Pyt. What is the maximum total quantity of oil allowed to be discharged into the sea from
"new tankers"?
D Odp. 1/30,000 of the total quantity of the particual cargo.
5. Pyt. Where to report a discharge or probably discharge of oil at sea?
B Odp. To the nearest coastal State.
6. Pyt. With regardto the phase-out timetable, what is the principle cut-off date for all single
hull tankers?
A Odp. In 2015.
OIL TANKERS DESING AND WQUIPMENT
----------------------------------------------------------------
1. Pyt. What is the main purpose with an expansion coupling?
B Odp. Make the pipes capable to move back and forth inside the coupling.
2. Pyt. What is the name of the line, which is used to strip the last amounts of cargo ashore?
D Odp. Small diameter line.
3. Pyt. What is the maximum lenght of an oil tank?
A Odp. The maximum lenght is 20 % L (L is lenght of the vesel).
4. Pyt. What is the required number(s) of wash bulkhead(s) if the lenght of the tank exceeds
10 % L or 15m?
C Odp. Minimum hree wash bulkheads.
5. Pyt. With regard to cargo heating what is the recommended carrying temperature on waxy
crude with pour points over 100o F?
A Odp. From 120o F to 135o F.
6. Pyt. Why are some types crude oils that contain paraffin wax heated?
C Odp. To stop excessive deposits of wax forming on cooling surfaces.
OIL TANKER OPERATIONS
-----------------------------------------
1. Pyt. What is VEF ( vesel experience factor )?
C Odp. Experienced differences between the ship cargo figure and the Bill of Lading figure.
2. Pyt. What is the definition of N.S.V (net standard temperatyre)
A Odp. N.S.V. = N.O.V corrected to the standard temperature.
3. Pyt. Do the presence of inert gas prevent evaporation and loss of cargo?
D Odp. No.
4. Pyt. Why should naphta based condensate never be shipped on unclean tanks containing
crude oil ROB?
B Odp. The condensate can form chemical compositions such as asphalt.
5. Pyt. How to determine the density of the slop after tank washing?
B Odp. By use of a hydrometer.
6. Pyt. What will govern the behaviour of the crude oil during the voyage?
C Odp. The cloud point.
CARGO AND BALLAST PUMPS
------------------------------------------------
1. Pyt. What will happen if centrifugal pump is fitted without a non-return valve on the
delivery side?
C Odp. Full back flow at the time the pump stops.
2. Pyt. What is the most negative side of a centrifugal pump?
A Odp. The lack of self-priming capasity.
3. Pyt. 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 depening of
cargo pump(s)?
C Odp. Ejector and the vacuum strip.
4. Pyt. What will be the manometer pressure after the pump if you are pumping, with a
centrifugal pump, water with density of 1,000 kg/m3 and the heald is 100 m?
B Odp. 981 kPa.
EMERGENCY PROCEDURES
-------------------------------------------
1. Pyt. Which international convetion dealing with fire-fighting arrangements etc.?
B Odp. SOLAS.
2. Pyt. What is jettison of cargo?
A Odp. Pump cargo over board in case of emergency.
3. Pyt. What will be the ships supplementary fire alarm signal while alongside a terminal?
C Odp. By a series of long blasts on the ships whistle.
INERT GAS SYSTEMS
----------------------------------
1. Pyt. What is the maximum oxygen content in the supplied inert gas during operation?
A Odp. Not exceed 5 % by volume.
2. Pyt. What is the maximum oxygen in the cargo tanks content during operation?
C Odp. Not exceed 8 % by volume.
3. Pyt. During discharging operating, the inert gas replacing the discharged cargo.What is the
requirement to the inert gas plants capacity?
B Odp. At least 125 % of the maximum discharge rate.
4. Pyt. What is the purpose of the scrubber?
D Odp. To cool the volume of the inert gas and remove contaminants.
5. Pyt. What is the requirement with regard to number or inert gas blowers on a flue gas plant?
C Odp. At least 2 blowers.
6. Pyt. What is the requirement to number of non-return devicesto be fitted in the inert gas
supply main?
A Odp. At least 2 non-return devices.
7. Pyt. In connection with IG system,what type of device to be fitted on the navigation bridge?
B Odp. Meter to indicate inert gas pressure forward of the non-returndevices.
CRUDE OIL WASHING
----------------------------------
1. Pyt. What is the maximum oxygen content in the supplied inert gas during operation?
A Odp. Not exceed 5 % by wolume.
2. Pyt. What is maximum oxygen in the cargo tanks content during operation?
C Odp. Not exceed 8 % by wolume.
3. Pyt. During discharging operating, the inert gas is replacing the discharged cargo.Wchat is
the requirement to the inert gas plants capacity?
B Odp. At least 125% of the maximum discharge rate.
4. Pyt. What is the purpose of the scruber?
D Odp. To cool the volume of the inert gas and remove contaminants.
5. Pyt. What is the requirement with regard to number of inert gas blowers on a flue gas plant?
C Odp. At least 2 blowers.
6. Pyt. What is the requirement to number of non-return devices to be fitted in the inert gas
supply main?
A Odp. At least 2 non-return devices.
7. Pyt. In connection with IG system, what type of device to be fitted on the navigation bridge?
B Odp. Meter to indicate inert gas pressure forward of the non-return devices
ASSESSMENT
----------------------
20 pytan - wszystko powtorka poprzednich !