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Maison Tests en ligne CES Chemical tanker MASTER / Ch-Officer Test for seamans about Deck department, Management level, Chemical Tanker (CES v6.0)
Tests en ligne : Test for seamans about Deck department, Management level, Chemical Tanker (CES v6.0)
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Le test comprend 80 questions aléatoires.
Total de questions sur ce sujet : 196
Total de questions sur ce sujet : 196
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DG placards shall be located on a freight container:
One on each side (only).
One of the back end and one on one of the sides (only).
One on each end (only).
One on each end and one on each side.
To maintain good relationship among the crew on board a vessel, one must be:
Give authority to others.
Polite and diplomatic while talking to crew members.
Understanding, Co-operative, and have respect from both sides.
Strict and authoritative while giving orders.
The time indication 121310z means in maritime radio communication:
12th day, 13:10 hours UTC.
12th month, 13:10 hours UTC.
12th day, 13:10 hours local time.
12th month, 13th day, 10:00 hour local time.
The “dew point” of a liquid chemical can be defined as:
The temperature at which dry-ice melts in Acetone.
The temperature at which a condensable component is saturated with respect to a gas, as in operational terms is seen at the point when moisture no longer detectable in air.
The temperature at which a saturated as exhibits condensation.
The temperature at which a gas is saturated with respect to a condensable component, as in operational terms is seen at the point when air is saturated with moisture.
“Passivation” is a restorative process periodically applied to stainless steel tanks on a chemical tanker. What effect does this process have on the steel surface?
It restores and reforms the passive Chromium Hydroxide surface layer.
It restricts active corrosion on the surface steel.
It restores the surface steel to an even and smooth finish, thereby encouraging drainage during discharge.
Inmarsat Telex Service code “33” can be used:
When technical problems are experienced with the Inmarsat-terminal.
To ask for maritime enquiries.
When the coast-station is disfunctional.
I don’t know.
On area A1 the function “Transmission and reception of on scene communications” is mainly based on:
The use of VHF R/T.
The use of SART transponders.
The use of MF DSC.
The use of VHF DSC.
To maintain good relationship among the crew on board a vessel, one must be:
Understanding, Co-operative, and have respect from both sides.
Strict and authoritative while giving orders.
Give authority to others.
Polite and diplomatic while talking to crew members.
Who are responsible for safe working conditions onboard?
The safety officer.
The officer of the watch.
The individual person.
Master, Chief Engineer & Chief Officer.
What significant change to the requirements for the carriage of Vegetable Oils in tankers was introduced by the amendments to MARPOL and the IBC Code on 1st January 2007?
They must now be carried in double-hull tankers.
They must now be carried in type II tanks.
Which of the following is a definition of the “Proper Shipping Name”, as found in the IMDG Code?
The name to be used in any documentation relating to the transportation of the dangerous substance, material or article, such as on forms, labels and placards.
The correct chemical name of a potentially hazardous material, as identified from the Chemical Cargo List.
The name under which a dangerous material, substance or article is described for export purposes in the country of loading.
The name assigned by the manufacturer to a material, substance or article for the purposes of shipment.
Which one of the listed requirements regarding service and maintenance of life-saving appliances correspond to present regulations?
Instructions for onboard maintenance of life-saving appliances in accordance with the regulations shall be provided.
Maintenance and repair of all life-saving equipments shall be carried out by the certified ship staff only.
Maintenance and repair of all the life-saving equipments will be carried out ashore in work shop only.
Onboard training should be organised in such a way that:
It is an integral part of the overall training plan.
Each crew member is trained individually.
It does not contravene with the rest hours of the crew.
None of the above.
On area A2 the function “Transmission and reception of on scene communications” is mainly based on:
The use of MF and/or VHF R/T.
The use of VHF DSC.
The use of MF DSC.
The use of SART transponder.
Part way through a profiling interview with a supplier, the package the individuals is carrying arouses your suspicion. What do you do?
Discreetly inform someone of your suspicions so he or she can get assistance.
Confront the individual and demand that he open the package.
Call for help on the radio.
Take the package and open it.
Which of the following is a definition of “dew point”?
The temperature at which a gas is saturated with respect to a condensable component, as in operational terms is seen at the point when air is saturated with moisture.
The temperature at which a saturated gas exhibits condensation.
The temperature at which dry-ice melts in Acetone.
When on HF band a DSC distress alert is received, you have to listen to:
The radio telephony distress frequency in the band in which the DSC distress alert was received.
8 414,5 kHz (DSC distress frequency in 8 MHz).
The radio-telex distress frequency in the band in which the DSC distress alert was received.
The minimum permissible distance measured horizontally between the ship’s shell plating and the outer side bulkhead of the first cargo compartment on a type II chemical tanker is:
Not less than 1 250 mm.
Not less than 760 mm.
Not less than moulded breadth/15.
Not less than moulded breadth/5.
A DSC distress alert single frequency call attempt is awaiting acknowledgement:
Automatically repeated after 1 to 1 and a half minutes.
Not repeated automatically.
Repeated manually when required.
Automatically repeated after 3 and a half to 4 and a half minutes.
Notification logging procedures (OPA-90).
Every report or message must be logged including time and date.
Only initial reports to be logged.
Only verbal reports for documentation.
Only communication with USCG.
At least, how often shall life boats be launched with their assigned operating crew aboard and manoeuvred in the water according to SOLAS?
Every 3 months.
Every week.
Every month.
Every 2 weeks.
On a chemical tanker having 2 foam tanks for deck monitor use the foam quality has been found to have deteriorated. A new supply of foam is ordered. Your usual chandler does not have the required quantity of foam in one type and offers 2 types of foam instead, one for each tank. You would:
Reject the offer?
Accept but insist on a lower price?
Accept the offer?
Accept but put a written notice in the foam room that different types of foam exist in each tank?
Your vessel is involved in a collision with another vessel. What should you as Master tell the Master on the other vessel?
There should be no communication with the other vessel.
Explain your actions prior to the collision and request details of actions taken by the other vessel which resulted in the collision.
Name; Port of registry; Port of destination of your vessel.
Ask if there is any assistance required by the other vessel.
Via Inmarsat-C a message is sent to an Inmarsat-C mailbox with a positive delivery notification (PDN). The ground station will:
Send a PDN, if the message has arrived in the mailbox.
Not send any PDN for this message.
Send a PDN, as soon as the message is collected from the mailbox.
Send no PDN’s with messages intended for the mailbox.
The mode J2B is used:
In public broadcasting.
For urgent message transmitting and receiving.
For radiotelex-traffic in the MF/HF band between the ship and shore stations.
For telephone traffic in the MF/HF bands between ship and shore stations.
A satellite receives the transmissions of the 406 MHz Cospas-Sarsat EPIRB. The transmissions of the EPIRB will be:
Always passed on to a LUT.
Exclusively passed on to a LUT only between 70° N and 70° S.
Exclusively passed on to a LUT if the satellite sees both the EPIRB and the LUT.
What type of dynamic forces may cause indent in plating on forecastle deck and main deck in way of pillars inside forecastle?
Forces created by waves on the forecastle.
Slamming in way of flat bottom forward of light draught.
Pressure forces caused by green water on deck.
Impact pressure forces in way of abrupt or flared bow.
In a typical shipboard de-humidifier plant as may be found on a modern chemical tanker, operating on a “rotating bed” principle, what names are given to the two parts of the rotating bed?
The “process sector” and the “reactivation sector”.
The “active sector” and the “dormant sector”.
The “inbound sector” and “outbound sector”.
The “live sector” and the “reserve sector”.
Your chemical tanker is fitted with sumbersible deepwell cargo pumps. When stripping a tank, if excessive air is allowed to be drawn into the suction line, which of the following may occur?
The pump will “race” and there will be a loss of suction.
The cargo pump impeller will stop rotating.
The back pressure will increase.
Control of the operation will be lost and the tank will rapidly empty.
You are to carry a cargo of Phenol across the North Atlantic in winter time. What precaution will you take with the double bottom tank located under the cargo tank containing the Phenol?
It should be empty, to avoid cold water contacted the structure around the product because Phenol has a relatively high melting point.
It should be continuously vented to avoid the build up of condensation on the structure around the product.
It is not necessary to take any additional precautions with the double bottom tank because it is part of an entirely separate pumping system.
It should be inerted, because Phenol has a very low Flash Point.
When should a crew member joining a ship for the first time be given some training and instructions in the use of the ship’s fire-fighting appliances?
As soon as possible but not later than 2 weeks after he joins the ship.
As soon as possible but not later than 24 hours after he joins the ship.
As soon as possible.
As soon as possible but not later than 2 days after he joins the ship.
Where would you find the document relating to the “Condition of Freeboard Assignment” onboard?
With the Structural Survey File.
With the Classification Records.
With the Loadline Certificate.
With the Safety Construction Certificate.
The compensation payment by the charterer that is due when a vessel is unable to load / discharge her cargo within the allowed and contracted time is referred to as:
Contractual penalty discount.
Deferment.
Discretion.
Demurrage.
What type of dynamic forces may cause indent in plating on forecastle deck and main deck in way of pillars inside forecastle?
Impact pressure forces in way of abrupt or flared bow.
Forces created by waves on the forecastle.
Slamming in way of flat bottom forward of light draught.
Pressure forces caused by green water on deck.
How can an ARPA best assist the bridge team to steer a suitable course to make good the entrance to a channel?
Alter course so that own-ships water stabilised true vector passes through the entrance to the channel.
Alter course so that own-ships ground stabilised true vector passes through the entrance to the channel.
Use the mapping facility provided by the ARPA, create a map of the channel then display it for entry.
I don’t know.
A DSC distress alert is received. The message states that communication by radiotelex is preferred. One preferably uses:
FEC mode.
ARQ mode.
SELFEC mode.
The transmitting power of the VHF is adjusted by setting:
Dual watch.
Squelch.
High/low power.
I don’t know.
When using an ENC chart to passage planning, why should a scale at or near its compilation scale always be used?
It is only at this scale that a route can be plotted.
That is incorrect, as any ENC can be zoomed in or out for passage planning.
The chart detail is correct for its usage band.
It is only at this scale that route validation is possible.
During helicopter evacuation of an injured man, what course should the ship steer?
As instructed by the helicopter pilot.
Directly into the wind.
With the wind fine on the bow opposite to the helicopter operating area.
Substances, materials and articles shall be stowed as indicated in the Dangerous Goods List of the IMDG Code, in accordance with a series of stowage categories. How are those categories designated?
5 categories, labelled A-E.
10 categories, lattered A-K (excluding I).
Three categories, numbered I, II and III.
10 categories, numbered 1-10.
How often must inspection of proper working of the EPIRB’s and SART’s take place on board? Once per:
Every day.
14 days.
Week.
Month.
What immediate action should be taken if a ship unexpectedly runs aground and stops?
Stop engine(s).
Stop engines and tell the engine room to switch over to high suction.
Stop engines and immediately request “Full Astern”.
Sound the General Alarm and plot the ships position.
A chemical tanker may be granted, by the Government of the receiving Party, an exemption from carrying out a mandatory prewash provided that the:
That the unloaded tank will be washed outside a special area.
That the vessel’s stripping system can reduce the residues to less than 10 litres in the relevant tank and its associated piping.
Unloaded tank is to be reloaded with the same substance or another substance compatible with the previous one and that the tank will not be washed or ballasted prior to loading.
That the vessel temporarily has defective tank cleaning equipment and the prewash will be carried out at the first available opportunity after repairs have been completed and the tank will not be loaded or ballasted before that time.
How is a Safety Management Certificate obtained?
Ship owner is authorised to carry out internal audits and issue SMC.
Vessel is surveyed by MCA and certificate issued.
Ship owners has Document of Compliance issued, and vessel is assessed and holds all statutory certificates.
RSS issue SMC with Register.
If all indications are that a cargo has been received without damages, irregularities or short shipment and the phrase “apparent good order and condition” is entered on the Bill of Lading, then this Bill is this said to be:
An endorsed Bill of Lading.
A clean Bill of Lading.
A Due Title Bill of Lading.
A Bill of Lading completed for shipment.
Which of the following requirements regarding life-buoys correspond to present regulations? (SOLAS III/7.1).
All life-buoys shall be placed in holders with quick-release arrangement.
Not less than half the total number of lifebuoys shall be provided with self-igniting lights.
At least one lifebuoy shall be placed within the vicinity of the stern.
At least one life-buoy on each side of the ship shall be fitted with a buoyant lifeline.
Chemical tankers of 20 000 tonnes DWT or above, with a keel laid on or after 1st July 1986, when carrying flammable products with a flashpoint not exceeding 60 °C, such as those listed in chapters 17 and 18 of the International Bulk Chemical Code, are exempt from the requirement to be fitted with and use an inert gas plant provided certain conditions are met. Which of the following is a summary of those conditions?
The cargo tank does not exceed 3 000 cubic metres capacity/each tank washing machine nozzle does not exceed 17,5 cubic metres per hour delivery rate/the total wash water input to the tank from all tank washing machines does not exceed 110 cubic metres per hour.
The cargo tank does not exceed 1 250 cubic metres capacity/each tank washing machine nozzle does not exceed 12,5 cubic metres per hour delivery rate/the total wash water input to the tank from all tank washing machines does not exceed 90 cubic metres per hour.
A conventional tanker has most of its tanks slack during the discharging of oil cargo, it is not of any great consequence; however, if an OBO has most of its holds slack during discharging (or loading) of oil cargo this will:
Likely cause a sudden or violent list due to the very large free surface in the broad beamed holds?
Cause extreme strain to the hull on the listed side if a list develops?
Cause the vessel to develop a slow rolling motion?
Have not much effect on stability as these vessels are designed for such conditions?
A small vessel with a right handed propeller and no thruster is approaching a berth with an onshore wind. What is the best way to have a controlled berthing?
Reduce speed by going full astern on the engines.
Stop the engine and let the vessel momentum and the wind drop the vessel onto the berth.
Full starboard rudder and stop engines.
Dredge a forward anchor, working the engine and rudder against it to keep the stern up.
You are witness to a collision between two other ships close to your vessel. What immediate action should you take?
Nothing, just standby and wait to see if any assistance is required.
Send out a distress message on their behalf.
Contact one or both vessels involved in the incident and offer assistance.
Inform the local coast radio station of the incident and submit your name as a witness.
In order to maintain the condition of the steel surface, stainless steel tanks on chemical tankers are periodically given an acid-based treatment. What name is given to this process?
Passivation.
Percolation.
Restoration.
Molybdenum-concentration.
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?
The use of the ship’s line throwing apparatus.
The use of escape routes and other escape methods.
The use of surface to air visual signals to be used by survivors.
The use of navigational equipment for survival crafts.
Regular “updating” of a ships position in an Inmarsat-C installation is necessary:
To have the correct position in case of accidents.
To keep to the correct Inmarsat region.
To enter the correct data to the disk antenna.
To inform the satellite of ships position.
Ballast introduced into a cargo tank on a chemical tanker which has been washed to such an extent that the ballast contains less than 1 ppm of the substance previously carried may be discharged into the sea without regard to the discharge rate, ship’s speed and discharge outlet location, but under certain conditions, which require:
Provided the ship is underway and a sample of the ballast water has been drawn from the tank and is stored on board, there are no additional conditions to be imposed on such a discharge.
That the vessel is not less than 50 miles from the nearest land and is proceeding on route.
That the vessel is not less than 12 miles from the nearest land and is in water that is not less than 25 metres deep.
That the discharge is passed through the Oil Discharge Monitoring Equipment and a visual watch is maintained on the vessel’s wake.
When should a crew member joining a ship for the first time be given some training and instructions in the use of the ship’s fire-fighting appliances?
As soon as possible but not later than 2 weeks after he joins the ship.
As soon as possible.
As soon as possible but not later than 24 hours after he joins the ship.
As soon as possible but not later than 2 days after he joins the ship.
As per MARPOL 73/78, coal slurry, clay slurry, dextrose solution and molasses are classified as:
“X”.
“Y”.
“Z”.
OS (Other substances).
How often shall each member of the crew participate in an “abandon ship”-drill?
Once every week.
Once every month.
Once every 6 months.
Once a year.
What rules and regulations are regulating the watch keeping routines in the engine room?
Both STCW and Class rules.
SOLAS.
Class Rules.
International Standard for Training and Watch keeping (STCW).
Who is responsible for maintaining the vessel’s structural strength?
The Master.
The Flag State Administration.
The Shipping Company and the Classification Society.
The Shipyard.
Give the meaning of the following symbol:
Rocket parachute flares.
Line throwing appliance.
Survival craft distress pyrotechnic signals.
EPIRB.
By what formula is the displacement calculated? W = Displacement; L = length; B = Breadth; D = depth of vessel; Cb = Block Coefficient; Cw = Coefficient of waterplane; RD = relative density.
W = L×B×d×RD.
W = L×B×d×RD/Cb.
W = L×B×d×Cw.
W = L×B×d×Cb.
The position that is determined by built in GPS-receiver in an Inmarsat-EPIRB has an accuracy of about:
200 metres.
4 200 metres.
2 200 metres.
1 200 metres.
Master of every ship must provide:
A link between the shipboard training officer and the company training officer ashore.
The training during crews working hours only.
Proper rest to the crew after each training programme.
Facilities to conduct training whenever required by the training officer.
The steps of the embarkation ladder used must be spaced apart by a distance of:
Equally spaced, not less than 200 mm or more than 280 mm.
Equally spaced, not less than 300 mm or more than 380 mm.
200 mm.
300 mm.
In a typical shipboard de-humidifier plant as may be found on a modern chemical tanker, operating on a “rotating bed” principle, what names are given to the two parts of the rotating bed?
The “process sector” and the “reactivation sector”.
The “active sector” and the “dormant sector”.
The “inbound sector” and “outbound sector”.
The “live sector” and the “reserve sector”.
Under what convention is the master to ensure that a ship is seaworthy and in a fit state to safely carry a shipper’s cargo?
The Antwerp Convention.
The Paris Memorandum.
The Nassau Protocol.
The Hague-Visby Rules.
With what system is a NAVTEX-message transmitted?
JRC.
SELFEC.
ARQ.
FEC.
According to the IAMSAR Manual, what is the expected survival time for a person in water of 4-10 °C, without special protective clothing?
Less than 3 hours.
Less than 1 hour.
Less than 12 hours.
Less than 6 hours.
In respect of a chemical tanker, carrying category “X”, “Y” & “Z” Noxious Liquid Substances, the term “Clean Ballast” as defined in the IBC Code means:
Ballast water carried in a tank which, since it was last used to carry a cargo containing a substance in category “X”, “Y” or “Z”, has been thoroughly cleaned and the residues resulting there from have been discharged and the tank emptied in accordance with the appropriate requirements of Annex II
Ballast water carried in a tank which has been previously washed in accordance with the requirements of the Procedures and Arrangements Manual.
Ballast water introduced into a tank permanently allocated to the carriage of ballast or cargoes other than oil or Noxious Liquid Substances as variously defined in the Annexes of the MARPOL Convention and which is completely separate from the cargo and oil fuel system.
I don’t know.
On area A3 the function “Transmission and reception of on scene communications” is mainly based on:
The use of MF and/or VHF R/T.
The use of HF DSC and/or Inmarsat-C.
The use of HF DSC.
The use of MF and/or HF R/T.
“Passivation” is a restorative process periodically applied to stainless steel tanks on a chemical tanker. What effect does this process have on the steel surface?
It restores and reforms the passive Chromium Hydroxide surface layer.
It restricts active corrosion on the surface steel.
It causes a chemical reaction, which produces a new inert Chromium Oxide layer on the surface of the steel.
It restores the surface steel to an even and smooth finish, thereby encouraging drainage during discharge.
What nominal filling restriction exists under the IBC Code for a single tank on a type III chemical tanker? Not counting actual capacity or structural and cargo specific limitations.
There is no filling restriction for a type III chemical tanker.
1 750 cubic metres.
1 250 cubic metres.
3 000 cubic metres.
You are carrying a bulk cargo of Phosphoric Acid. Which components of the cargo pumps may be damaged as a result of discharging this particular cargo and why?
The cargo seals may be damaged from the abbrasive effect of any sediment.
The valves in the associated piping may be distorted by pressure surges created by cavitation as the acid is discharged.
The outer casing may be corroded by the unstable impurities within the acid.
The impeller veins may be damaged as a result of the relatively high density of the cargo if the pumps are run at too high a speed.
The battery of a SART:
Must be replaced before the expiry date is exceeded.
Must be re-charged weekly.
Charged condition must be checked weekly.
The mode J2B is used:
For radiotelex-traffic in the MF/HF band between the ship and shore stations.
For telephone traffic in the MF/HF bands between ship and shore stations.
In public broadcasting.
For urgent message transmitting and receiving.
A cargo pumproom or other enclosed space which contains cargo handling equipment on a chemical tanker shall be fitted with a mechanical ventilation system, capable of being controlled from outside the space. What is the minimum number of atmosphere changes per hour, based on the total volume of the space, that such a system must deliver?
Not less than 10 charges per hour.
Not less than 30 charges per hour.
There is no specified minimum number of changes, provided it is running continuously throughout any cargo operation.
If the ventilation is permanent, it shall deliver at least 20 changes per hour; if it involves part recirculation, then it shall deliver at least 30 changes per hour.
Which of the following groups of chemical cargoes is particularly susceptible to polymerisation, especially through exposure to heat?
Monomers.
Aldehydes.
Paraffins.
Aliphatic Amines.
What do you understand by the term “Risk Assessment”, and how would this be carried out on board?
Identify the hazards, quantify the risks, put control measures in place, monitor the work activity and review.
States than when work has a degree of risk that the work is not carried out.
Requires a great deal of preparation and involves recording everything on paper.
Identify the hazards and specify the personal protective equipment that would be required to complete the work.
How would you determine whether a particular cargo transfer hose was compatible with the chemical product to be transferred?
Check the product classification mark stamped on the flange collar of the hose.
Check the colour of the hose against the general classification code in the IBC Code.
Refer to the product entry in the hose manufacturer’s chemical resistance chart.
There will be no need to check. If the hose has been supplied to a chemical tanker, it will have been certified for the transfer of all chemical products.
Cargo residues of certain chemical substances are permitted to be removed by ventilation. What criteria is applied in determining if a cargo can be cleaned in this way? (Always accepting that local port authorities may have over-riding regulations on ventilation).
That the cargo discharged has a vapour pressure greater than 5 KPa at 20 °C.
That the vessel’s ventilation system is capable of delivering a minimum of 20 charges of atmosphere per hour within the compartment.
That the cargo discharged has a vapour expansion coefficient of at least 1,025.
That the volume of the tank does not exceed 1 750 cubic metres, that the maximum remaining residues are less than 75 litres and that ventilation is additionally possible directly down the pumpstack.
The subject «Deck Department, Management Level, Chemical Tanker» covers both theoretical and practical knowledge about safely working with electrical equipment, which is a key indicator of an employee's competence in their role aboard a vessel. As a Deck Officer on a Chemical Tanker, the role involves a variety of responsibilities related to deck management. The primary duty is to oversee and coordinate the safe and efficient loading, unloading, and transfer of chemical cargo. This requires a thorough understanding of the chemical properties, handling procedures, and stowage requirements for each type of cargo, as well as ensuring compliance with all relevant regulations and industry standards. Additionally, Deck Officers are responsible for the safe navigation of the vessel, which includes planning and executing the vessel's route, maintaining its position, and adhering to all navigation regulations. They are also tasked with watchkeeping, maintenance, and ensuring the overall safety and security of the vessel.
- Версия: 4.1, 5.0, 5.1, 6.0.0.
- Тип теста: STCW.
- Департамент: Deck.
- Уровень: Management.
- Тип судна: Chemical tanker.
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