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Heim Online-Tests CES Chemical tanker Deck Support Test online CES 5.1 for Deck department, Support level, Chemical tanker vessel
Online-Test: Test online CES 5.1 for Deck department, Support level, Chemical tanker vessel
Online-Test
Beschreibung
Der Test besteht aus zufälligen Fragen zu einem ausgewählten Thema.
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To guarantee optimal reception of VHF-DSC-calls as every:
DSC-report is sent twice, at least every second call is compared with the earlier received call
DSC-symbol is checked on the right amount of 10, and then checked on the correct relation by Error Checked Character
DSC-symbol is sent twice and checked extra by Error Check Character
Don't know
For a “distress alert” via the DSC, the MF-band is used in the frequencies:
TX: 2177.0 kHzRX: 2177.0 kHz
TX: 2187.5 kHzRX: 2187.5 kHz
TX: 2189.5 kHzRX: 2189.5 kHz
Don't know
A polarisation of a radio wave is determined by:
Length of the aerial
Condition of the aerial
Height of the aerial
Position of the aerial
You are transiting a narrow channel. What can happen in this situation?
The bow will be pushed away from the bank
The bow will be sucked towards the bank
The stern will be pushed away from the bank
None of the mentioned will happen
Which item among those below is included in the normal equipment of every lifeboat ?
a VHF transceiver
one immersion suit for each person
sea-charts and navigating equipment
one set of fishing tackle
What are we seeing here?
A sailing vessel, at anchor.
A sailing vessel of less than 10 metres in length, displaying the mandatory combined lantern inlieu of sailing lights, seen head-on.
A sailing vessel less than 20 metres in length, displaying the optional combined lantern in lieu of standard sailing lights, seen head-on.
A sailing vessel, seen from astern, where the edges of her sidelights are both visible.
You are the Officer on Watch on an oil tanker during a discharging operation. An alarm on the Inert Gas Plant indicates that no inert gas is being supplied to replace the discharging cargo. What will you do?
Continue discharging with the cargo pumps running at minimum speed.
Slow down and relieve the vacuum by opening the tanks lids.
Immediately stop the discharging.
Activate the inert fans and blow fresh air into the cargo tanks.
The IGC code gives details of construction and equipment requirements for liquefied gas carriers. Under which circumstances would a liquefied gas carrier require a double bottom and a longitudinal bulkhead forming full side ballast tanks in way of the cargo containment system?
Only when the cargo is carried at less than minus 10 degree C.
Only if the cargo tanks are designed for fully refrigerated LPG cargoes.
Only when the cargo is carried at temperatures below minus 55 degree C in cargo tanks without a secondary barrier.
Only when the cargo is carried at temperatures below minus 55 degrees C in cargo tanks with a secondary barrier.
What type of lashing arrangement is needed on weather deck for securing one container high?
No lashing arrangement needed.
Turnbuckles and rods.
Twistlocks with turnbuckles and rods.
Twistlocks.
What would be a correct form of response to the question: What is the weather in your position?
The correct form of response would be: "The weather is fine"
The correct form of response would be: Wind northwesterly, force 5; visibility good; moderate sea and swell
The correct form of response would be: "The weather is satisfactory"
The correct form of response would be: "The weather is bad"
Which of the statements given in the options relating to LNG carriers is true?
LNG is normally carried in fully pressurised gas carriers.
LNG is always carried at very low temperature.
The size of an LNG carrier is limited to no greater than 50,000 m3 cargo capacity.
All LNG carriers are fitted with spherical tanks.
What is a typical composition of LNG (Arabian Gulf)?
Methane 100%
Methane 75% - Ethane 12% - Propane 13%
Methane 80% - Ethane 15% - Propane 5%
Methane 91% - Ethane 6% - Propane 3%
A chlorine carrier must be equipped with a chlorine absorption plant connected to the cargo tanks and cargo lines. What is the gas detectors alarm setting?
10 ppm.
20 ppm.
5 ppm.
15 ppm.
During the 5-yearly overhaul and operational test of a lifeboat on-load release gear, to what level should the gear be load tested?
0.8 times the total mass of the lifeboat when loaded with its full complement of persons, equipment and stores.
1.25 times the total mass of the lifeboat when loaded with its full complement of persons and equipment.
1.1 times the total mass of the lifeboat when loaded with its full complement of persons and equipment.
The equivalent to the total mass of the lifeboat when loaded with its full complement of persons and equipment.
Which type of cargo tanks are almost exclusively applied to LNG ships and are rarely fitted to LPG ships?
Type "B" spherical tanks.
Independent type "A" tanks.
Self-supporting prismatic tanks.
Independent type "C" tanks.
During inspection of a cylinder of a large slow speed diesel engine it is noted that there are hard deposits around the upper part of the piston crown above the top ring groove and also some evidence of scuffing on the liner wall. From the options given select the one which is the most likely cause of this problem.
The piston cooling is inadequate causing overheating.
The fuel oil being used has too high a sulphur and ash content.
Insufficient cylinder oil is being supplied.
Cylinder oil with TBN to great for fuel grade is being used.
Cargoes of which of the following groups produce a particularly violent reaction when mixed with an equal quantity of water?
Acids.
Acrylates.
Glycols.
Caustics.
What is the most common signal level from an I/P converter?
0-10V/3-15 PSI
4-20mA/3-15 PSI
0-1 mA/1-2 BAR
0-20 mA/0-20 PSI
Insulating materials used on liquefied gas carriers are required to have certain properties including a good vapour diffusion resistance. Which of the insulating materials has the highest vapour diffusion resistance?
Mineral wool.
Polyurethane foam.
Perlite.
Polystyrene.
On a Container vessel, what is the purpose of fixed stacking cones?
To prevent the horizontal movement of 40'containers at tank top level
To prevent horizontal movement of 20'containers in 40' cell guides
To prevent movement of 20'and 40' containers at deck level
To prevent the horizontal movement of 20'containers at tank top level
What name is given to the oriental pan which has a small round base and wide sloping sides, commonly used for cooking "stir-fry" dishes?
Gok.
Wok.
China pan.
Wack.
On the figure 4 possible definitions of the term "FREEBOARD" are given. Which one is the correct one?
Freeboard is given by A on the figure
Freeboard is given by C on the figure
Freeboard is given by D on the figure
Freeboard is given by B on the figure
Which of these statements is correct?
On certain routes cargoes must always be lashed in a standard manner irrespective of season
Under the Hague and Hague-Visby rules a shipowner must make a vessel seaworthy
Seaworthiness implies cargoworthiness
A vessel must be seaworthy at the commencement of a voyage
What would result from contact with liquid ammonia?
Unconciousness
Loss of memory
Death
Loss of eyesight
What will be the probably outcome if the amplification is set to high on the controller
Nothing
The process response will be very slow
The process will oscillate and get out of control
The set-point will change
What is the minimum furnace temperature that must be reached during start up before waste material can be introduced into an incinerator?
1500 C
850 C
2500 C
2000 C
On a General Cargo Vessel, which of the following statements are correct?
Under the Hague-Visby rules there is an obligation to make a vessel seaworthy
Under the Hague rules there is an obligation to make a vessel seaworthy
Under the Hague and Hague-Visby rules a ship-owner must exercise due diligence to make a vessel seaworthy
Under the Hague and Hague-Visby rules a vessel must be seaworthy at the commencement of a voyage
Which of the following detectors will you choose for detecting smoke from fire?
Thermocouple
Thermometer
Strain gauge
Ionization type
Emergency instructions in appropriate languages shall be posted in passenger cabins. What information shall as a minimum be included in the emergency instructions?
Name of cabin attendant
Escape routes and alarm signals
The method of donning life-jackets, escape routes and alarm signals
Where to find thermal protective aids
What is the purpose of a draught survey before and after loading on a Bulk Carrier?
The calculate the stability of the vessel
To calculate the deadweight of the vessel
To ascertain the actual weight of cargo loaded
To calculate light displacement of the vessel
The vessel is steaming off the coast when the engine room informs the bridge it must stop engines immediately. Shortly afterwards they informed the bridge they would need a least three hours to fix it. Which of the following actions would be the most suitable taken by the bridge?
Display the NUC signal, maintain the watch and determine how the ship is drifting and the probable position after three hours.
Display the NUC signal and keep a good lookout
Display the NUC signal, maintain the watch and ask the Engine room to be a quick as possible
Display the NUC signal, maintain the watch and wait for further developments.
In a low pressure auxiliary boiler, what would be considered to be the maximum allowable chloride level of the boiler water?
300 PPM.
1000 PPM.
50 PPM.
600 PPM.
What is the main use for polyurethane foam onboard an LNG carrier?
As a fire retardant coating for the deck.
As a fire fighting medium.
As insulation for the cargo tanks.
As a sealant for deck openings.
Many modern medium and high speed diesel engines operate at very high power ratings resulting in relatively high bearing loads. In order to accommodate these loads the bearings are required to have a high load carrying capacity. What kind of bearings are normally used for main and bottom end purposes to achieve this?
Thin steel shells with a thin white metal lining.
Thick white metal types with the white metal cast into the keeps to give extra fatigue strength.
Thin steel shells with a copper lead lining and a running in overlay.
Thin steel shells lined with aluminium tin alloys.
What is a "consignee"?
Any person or company which seeks to transport a consignment of cargo by sea.
Any person, organization or government that prepares a consignment for shipment.
Any person, organization or government entitles to take delivery of a consignment.
Any person or company responsible for the operation of a vessel which carries a consignment as freight.
In discussing segregation, the IMDG Code defines what it means by the term "separated from". Which of the following is that definition?
Either in a vertical or horizontal separation: if the intervening decks are not resistant to fire and liquid, then only in a longitudinal separation is acceptable. For "on deck" stowage, this means a distance of at least 12 metres. This distance also applies to one package stowed "on deck" and another in an upper compartment.
With an intervening compartment, being both a vertical and horizontal separation. Provided an intervening deck is resistant to liquid and fire, a vertical separation of 6 metres is acceptable. For "on deck" stowage, this segregation means a distance of at least 12 metres irrespective of compartment divisions.
Effectively segregated so that the incompatible goods cannot interact dangerously in the event of an accident, but may be transported in the same compartment or hold or on deck, provided a horizontal separation, projected vertically, of 3 metres is obtained.
In different compartments or holds when stowed "under deck". Provided an intervening deck is resistent to fire and liquid, a vertical separation may be accepted as equivalent. For "on deck" stowage, this segregation means a distance of at least 6 metres.
What would happen if a ship’s frames became partly detached from the side shell plating?
The shell plating would buckle
The adjacent frames would buckle
Topside and hopper tanks would become deformed
There would be additional loads on the adjacent frames leading to possible shell plating failure
How will continuous low load operation influence the time between overhauls, tbo, for the cylinder covers and associated valves of a 4-stroke diesel engine?
Reduce the time between overhauls due to increased fouling.
Increase the time between overhauls since fuel injectors work better at low load so combustion will be improved and the maintenance will be reduced.
Increase the time between overhauls since the engine is not working as hard.
No influence at all, the required overhauls are unaffected by operating load.
Hydrogen Sulphide in crude oil and certain other oil products is most obviously associated with problems of vapour inhalation, but which of the following is also a serious problem associated with this component, particularly in high concentrations?
Settling and layering.
Polymerisation.
Corrosion.
Acid build-up.
Before commencing loading an oil cargo, the cargo tanks are surveyed. How do we refer to any small amount of liquid, sludge and sediment found in the cargo tanks and assessed for the purposes of including in the calculation of cargo quantity loaded?
ROB (Remaining On Board).
OPB (Observed Preliminary Volume).
TSV (Total Surveyed Volume).
OBQ (On Board Quantity).
During loading of bananas the fruit should be visually inspected frequently to check the quality and for any indications as to its physiological development. Which one of the options given would indicate that the fruit is in suitable condition for shipment?
The bananas are green with a yellow hue. They are not really hard and do not break cleanly.
The bananas are green in colour with patches on the shoulder from the effects of sunshine and have relatively sharp ridges along the length. They can be snapped with sap clinging to the broken parts.
The bananas are yellow with small black spots on the skin. They cannot be snapped but the skin can be peeled off.
The bananas have a uniform green colour with relatively sharp ridges along the length. They can be snapped or broken with sap clinging between the broken parts.
Ships officers must use a thermometer to take and record the pulp temperature of commodities being loaded onto a reefer vessel. From the given options, select the most important attribute of such a thermometer.
It must be portable.
It must be correctly calibrated.
It must be robust.
It must be economic to purchase.
The temperature control for a hot water system is very erratic with the temperature gradually rising and then suddenly falling and vice versa even though system demand is fairly constant. Which of the options given is the most likely cause of this problem?
Control air pressure supply is too low.
Control valve actuator diaphragm is ruptured.
Controller integral action reset time is too fast.
Control valve gland is over tightened.
This graphical symbol is a logic gate. Which gate?
AND
OR
NOR
NAND
What does ‘wedging’ achieve in side-rolling hatch covers?
It facilitates lowering of the panels for closing
It forces the compression bar on one panel to fit against the seal on the opposite panel
It facilitates the automatically wedging of hatch cover panels
It facilitates the automatic cleating of hatch cover panels
What is the name of the simplest hydrocarbon composed of one carbon atom and four hydrogen atoms?
Methane.
Propane.
Ethane.
Pentane.
What are the advantages of ballasting double bottom ballast tanks by gravity filling on a Bulk Carrier?
Ballasting can be done without any supervision
There is minimum pressure head on the tank top and pumps are not required
Free surface effect is eliminated
Ballasting is done more quickly
Thermocouples are often used for measuring temperatures. Which of the following descriptions are valid for a thermocouple?
A junction between two dissimilar metals generates a small voltage.
A semi-conductor device that exhibits a negative coefficient of resistance with temperature.
A resistance device that exhibits a positive coefficient of resistance with temperature.
A quartz crystal that changes its resonant frequency with temperature.
At what calendar interval must cargo hoses in service on board be tested and certified as fit to continue in use?
Every 24 months.
Every 12 months.
They do not need to be tested and re-certified for the first three years, but must be tested and certified every 12 months after that.
Testing is not calendar based. Cargo hoses must be tested and certified every 48 operations.
As per SOLAS requirement fast rescue boats shall be constructed in such a way that:
They will not capsize
They are self righting
They are self righting or capable of being readily righted by its crew
They can be righted by 5 persons
What is the danger of having a large bunker tank only partially filled with bunkers?
Excessive corrosion of the tank sides.
FSE and virtual loss of GM.
Constructional damage due to liquid movement in the tank.
Insufficient bunker to complete the voyage.
"Protective discrimination" means the progressive grading of sizes or tripping times of:
Generators and motors.
Line fuses and overcurrent relays
Magnetic and thermal current transformers.
440 V and 220 V transformers.
A motor is protected by a thermal overcurrent relay. After tripping on overload it will not be possible to reset the overcurrent relay immediately because the:
Oil dash-pot has to be reset.
Bimetallic strips need time to cool down
Starter isolator automatically applies an interlock.
Line contactor spring has to be reset
On a RoRo vessel, why should chipping and painting not be done on a loaded car deck
because there is not enough space to work with the cargo in the way
To avoid damage to the cars or their paint work
because you cant run the ventilation and the fumes will overcome the crew
Which of the following terms describes the cooking technique where food, such as a portion of fish, is placed in a shallow dish and partially covered by a liquid and then brought to and maintained at a temperature just below the boiling point?
Poaching
Blanching
Saute
Boiling
A ship has an electrical system rated at 690 Volts. Which voltage level is this?
Medium voltage.
Low voltage.
High voltage.
Intermediate voltage.
What would be the effect of a large GM on a ro-ro vessel?
The possibility of assuming an angle of loll
A stiff ship with a quick roll period
An adverse affect on seaworthiness
The possibility of capsizing
Which of the following statements concerning an accidental oil spill in US waters is true?
The person in charge must report the spill to the US Coast Guard
A warning broadcast must be made by radiotelephone (VHF)
The Corps of Engineers is responsible for the clean up of the oil spill
The Department of Interior is responsible for the clean up of the oil spill
Is it required to have supplementary emergency lighting on board passenger ships?
Yes, all passenger public spaces and alleyways shall be provided with supplementary electric lighting
No, reflective marking indicates the escape routes
No, passengers should bring their own flashlights
No, portable battery operated lamps shall be provided in alleyways and public spaces
Why do we have longtitudal bulkhead in a prismatic cargo tank
To reduce the free surface ”sloshing” on the cargo
To control the list of the ship
To load two grades of cargo in one tank
To increase the transverse strength of the cargo tank
Which of the following statements is incorrect with regard to loading bagged fishmeal?
Cargo holds should be free of cargo residues
Cargo holds should be free of infestation
Dunnage is not required
Cargo holds do not require ventilation
What is the meaning of the term “Span” of a transducer
The length between the connecting flanges
Type of standard output signal according to ISO
The maximum output signal when you have a minimum process value
The difference between maximum and minimum measurement that gives a standard output signal
You have just completed washing a stainless steel cargo tank, following discharge of a cargo of Isobutylamine. You have washed the tank with warm salt water. What will you now do to prevent damage to the stainless steel?
Rinse the tank with cold salt water.
Rinse the tank with fresh water.
Vent the tank immediately.
Turn the heating coils on to dry the tank as quickly as possible.
What is the main fixed fire-fighting system on a car deck?
CO2
Dry powder
Water sprinkling
Halon
Which of the following options may be used as a brief summary of how to safely make high voltage equipment accessible?
Shed load, Earth (ground), disconnect, isolate
Disconect, isolate, earth (ground)
Shed load, isolate. Earth (ground)
Disconnect, earth (ground), isolate
You have recently discharged a cargo of Methylene Chloride from tank 4 port. How will the atmosphere in the tank normally be tested for remaining (very low level) traces of vapour to ensure safe conditions before a tank entry certificate is issued?
By reading off a standard explosimeter (combustible gas indicator).
You will be able to smell even a very low level of this product.
It is not possible (or important) to test for trace levels of this product.
By sampling through a gas detector tube.
If the oxygen content in an enclosed space is less than 20% and a non-essential routine inspection of the space is due which of the following is the correct course of action?
Postpone the inspection until the correct oxygen content can be achieved.
Carry out the inspection as quickly as possible.
Wear breathing apparatus while carrying out the inspection.
Release oxygen into the space from an oxygen cylinder.
What is the most common way of handling the LNG boil off gas?
The boil off is let to the atmosphere.
It used as fuel for the main engine.
It used as fuel for the boiler.
It is liquefied and directed back to the cargo tank.
Who should operate ships' ramps, car platforms, retractable car decks and similar equipment?
All crew working on ro-ro deck.
Only the ships' officers.
Only competent persons authorised by a responsible ships' officer, in accordance with the company's work instructions.
Bosun and the loading officer
What can be measured by means of a manometer?
Strain
Temperature
Pressure
Motion
What is important to wear for all officers and crew when working on the ro-ro deck during loading and discharging?
Rain coat
Gloves
Goggles and safety shoes
Fluorescent vest/ working clothes
A wire rope lashing is connected to an eye plate by means of a shackle. What is the Maximum Securing Load (MSL) for this lashing?
The Minimum Securing Load of the shackle
The Minimum Securing Load of the eyeplate
The Minimum Securing Load of the wire rope
The Minimum Securing Load of either the wire rope or shackle or eye plate
What is one reason for repeating a command to passengers in an emergency?
You can establish your presence.
You won't have to say the command more than twice.
You don't have to be as clear in what you say.
More people will have a chance of hearing the command.
While assisting the watchkeeper with routine cleaning of the fuel oil separator the watch rating is requested to clean the plate stack. Which of the options given is the preferred method for such a task?
With the plate stack in position fill the purifier bowl with clean diesel oil and quickly switch it on and off to wash the plates.
Soak the dirty plates in a solvent for an hour and then stand them on the engine room deck to drain off.
Soak the plates in a suitable solvent until all of the dirt has loosened off and wipe clean with rags.
Scrape the plates as clean as possible with a packing knife and then wash them with a high pressure water hose.
What do you understand by the term Maximum Continuous Rating, MCR, of a diesel engine?
The maximum load that the engine can operate at continuosly.
The maximum cylinder pressure that the engine can operate at continuously.
The maximum charge air pressure that the engine can operate at continuously.
The maximum speed that the engine can operate at continuously.
LNG carriers often operate between two fixed ports. Why is there likely to be a significant difference in the amount of LNG onboard arriving at the discharge port compared to the amount onboard departing the loading port?
Part of the cargo is used as ship's fuel in the form of boil off gas.
Inefficient reliquefaction plant operation means only some of the vapours are recovered.
Normal leakage through the cargo containment system leads to loss of cargo.
The vapours are constantly vented to atmosphere.
Which of the below structures of bulk carriers are considered critical?
Forecastle deck
Upper and lower connection of main side frames
Longitudinal deck plating outside hatches
The girders
Some IMDG Cargo is loaded on deck of a General Cargo vessel; what information must be available on the bridge after sailing?
There must be a risk assessment and cargo stowage plan
There must be a cargo plan and permit to work completed
There must be cargo plan, cargo manifest and emergency schedule information from IMDG Code
The IMDG Code must be available
Achieving a good air flow through the various cargo compartment of a reefer vessel is a principal design aim of a Naval Architect. Which of the options given represents the optimum cargo space shape?
A flared space that would be found in a forward upper deck.
A narrow tapered space as would be found in a forward lower deck.
A long oblong space as would be found in an after upper deck.
A square space as would be found in a midships lower deck.
Whish of the following disposal would be permitted?
Food waste from a vessel outside a special area and 10 miles from nearest land
Food waste from a vessel inside a special area and 10 miles from nearest land
Paper products from a vessel inside a special area and 15 miles from the nearest land
Food waste from a vessel outside a special area and 12 miles from the nearest land
What is the purpose of a Bridge Fitting?
To link the top containers of adjacent stacks
To link the top containers stowed at the fore end of the vessel
It is used as extension pieces for lashing rods secured to a lashing bridge
To link the top containers secured to a lashing bridge
What is the anticipated rolling period of a ship with a large initial Transverse Metacentric Height (GM) and would there be any associated dangers to consider?
Long slow roll and no particular hazards
Short sharp period of roll associated with breaking lashings and shifting cargo
Short period of roll, but a very stable ship and no associated dangers
Long period of roll with free surface effects at a maximum.
The remote reading temperature gauge for the meat room is reading a higher temperature than the local liquid in glass thermometer. When removed and tested the remote gauge is found to be reading accurately. Which of the options given is the most likely cause of this discrepancy?
The liquid in glass thermometer is reading incorrectly.
The liquid in glass thermometer is positioned in a relative 'cold spot' in the meat room.
The sensing bulb for the remote gauge is placed in a relative 'local hot spot' inside the meat room.
The lagging for the capillary tube from the sensing bulb to the temperature gauge outside of the meat room is too thick causing the tube to heat up.
During bunker transfer operations, deck scuppers should be:
Plugged when required
Plugged to prevent spilled oil flowing overboard
Only fitted to the side of the vessel that bunkers are being loaded
Attended by crew to collect any spilled oil that approaches
How is cargo in a self-unloading bulk carrier fed to the vessel’s conveyor belts during discharge?
Via remote-controlled hopper gates at the bottom of each hold
Via hydraulically-operated hopper gates at the bottom of each hold
By gravity through mechanical hopper gates at the bottom of each hold
Via mechanically-operated hopper gates at the bottom of each hold
One of the checks during the annual Class survey of the UMS functions is focusing on cleanliness of the engine room. What is the reason for such a check ?
To avoid frequent alarms.
To prevent risk of pollution.
To reduce the general risk of fire in an unmanned engine room.
To have the engine room looking tidy.
What does the abbreviation ABC mean in first aid?
Air, Breathing, Circulation.
Air, Breath, Concentration.
Air, Burning, Critic.
Abandon, Balance, Circulation.
What is a hydrostatic release unit?
An important part connected to the sea-anchor.
A unit which automatically release all securing when abandon the vessel.
A unit which automatically releases the liferaft/lifeboat at a depth of approx 4 metres.
A unit for inflating the liferaft.
What equipment is provided in a liferaft to help you keep warm in cold weather?
The floor of the raft has a second layer which can be inflated to give additional insulation from the cold water
At least 10% of the rafts complement with a minimum of 2 thermal protective aids are provided
The floor of the raft has a second layer which can be inflated to help insulation, in addition to the thermal protective aids (10% of complement, minimum 2)
Thermal protective aids for each person
What class of fire involves gas?
Class D fire
Class C fire
Class A fire
Class B fire
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