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WorksheetsMA0568 revision
Total questions: 20
Worksheet time: 20mins
Match the tank type to its function(s):
Collection of residues cargo operations, or washings during tank cleaning
SLOP TANK
Designed to transport unrefined crude oil from oil fields to refineries
CRUDE OIL TANK
Maintaining stability and trim during cargo operations
CLEAN BALLAST TANK
Dedicated compartments designed to hold ballast water separately from cargo
SEGREGATED BALLAST TANK
Used to transport refined petroleum products such as gasoline, diesel and jet fuel
PRODUCT TANK
Match the SDS section number and description correctly:
Accidental release measures
SECTION 6
Exposure controls and personal protection
SECTION 8
Fire-fighting measures
SECTION 5
First-aid measures
SECTION 4
Physical and chemical properties
SECTION 12
Products that are susceptible to - - - - - - - - - - - - - - are normally transported with added inhibitors to prevent the onset of the reaction
(a)
A cargo may - - - - - - - - - - - another cargo or odourise another cargo when incompatible cargoes come in contact with each other.
(a)
Annex II of MARPOL regulates the control of pollution by (a)
MARPOL Annex III addresses the prevention of pollution by oil.
True
False
Gas detectors onboard tanker vessels are essential for the detection of --------- gases.
(a)
Match the portable detectors and its function:
Used to measure HC gas in air at concentrations below LEL
Explosimeter
Typical instruments use 4 to 5 sensors
Multi-gas
Used to measure HC gas in oxygen deficient (inerted) atmosphere
Tankscope
Colour change along the length is the measure of the toxic gas
Chemical absorption tubes
Match the type of pump with its characteristic:
Ideal for transferring large volumes of liquids quickly and efficiently.
Centrifugal pump
Utilizes high-pressure motive fluid to create a vacuum for tank stripping.
Eductor
Generates a continuous flow by trapping and forcing liquid through the pump.
Positive displacement pump
Specifically designed for removing residual cargo or tank cleaning.
Stripping pump
What does this alarm signal "_ _ _" indicate?
a. Fire
b. MOB
c. Oil spill
d. Piracy
DCP is the preferred medium for chemical fires.
True
False
Arrange the following steps in the correct sequence for properly storing PPE onboard tanker vessels:
Inspect for damage or defects
Clean and sanitize if necessary
Allow to dry completely
Store in designated areas
Safety goggles should be worn when handling --------- chemicals onboard tanker vessels
(a)
Electrostatic -------- occurs due to the discharge of static electric between two objects with different electrical potentials.
(a)
Arrange the following steps in the correct sequence for mitigating the risk of electrostatic ignition onboard tanker vessels:
Minimize the accumulation of static charges
Ensuring proper bonding
Grounding equipment
Using intrinsically safe equipment
Match the following factors with their influence on the selection of intrinsically safe equipment onboard tanker vessels:
Determines the level of protection required
Classification of hazardous areas
Guides selection of appropriate technology
Type of flammable substances handled
Impact on equipment durability and performance
Environmental conditions
Determines equipment design and certification
Regulatory requirements
Intrinsically safe equipment is designed to limit electrical energy to a level below the ignition threshold of --------- atmospheres onboard tanker vessels.
(a)
What is the frequency of an enclosed space entry and rescue drill as per SOLAS?
a. 1 month
b. 2 months
c. 3 months
d. 6 months
Put the following steps for verifying cargo transfer compatibility in the correct order:
Confirm cargo compatibility with the vessel's cargo tanks.
Check cargo temperature and density.
Verify cargo quantity and ullage.
Ensure proper alignment of shore manifold with vessel's manifold.
Match the Ship/Shore safety checks taken by the tanker:
Pressure/vacuum valves and/or high velocity
vents are operational.
Checks pre-arrival
Very high frequency and ultra high frequency
transceivers are set to low power mode.
Checks after mooring
Emergency signals and shutdown procedures
are agreed.
Pre-transfer conference
Inhibition certificate received (if required) from
manufacturer
Checks pre-transfer
Limits for cargo, bunkers and
ballast handling
Agreements pre-transfer
