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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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What is the maximum quantity of cargo permitted to be carried in a single tank on a type I chemical tanker?
1 250 m3.
750 m3.
3 000 m3.
2 400 m3.
What are the three volumes of the IAMSAR Manual?
A – Command and Control B – Communications C – Rescue Procedures.
I – Planning and Preparation II – Rescue III – Reference.
I – Organization and Management II – Mission Co-ordination III – Mobile Facilities.
I – Organization II – Communications III – Rescue Procedures.
A tug is connected to the bow of a vessel. Will the force exerted by it be the same at any ahead speed?
No, on the bow the tug uses power to run with the vessel, which reduces the available power on the towline.
No, when the ahead speed of the ship increases the force exerted by the tug will also increase.
Yes, the force would normally be expected to be the same at any speed of the ship.
Week.
Your vessel is involved in a collision with another vessel. What should you as Master tell the Master on 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 of vessel; IMO number; Port of registry; Port of destination of your vessel.
That their actions were totally wrong and it is their fault.
There should be no communication with the other vessel.
What is 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?
Not less than 760 mm.
Not less than moulded breadth/15.
Not less than 1 250 mm.
Not less than moulded breadth/5.
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.
MARPOL 73/78 defines a “high viscosity substance” as:
A noxious liquid substance in category “X” or “Y” with a viscosity equal to or greater than 50 mPa·s at the unloading temperature.
A noxious liquid substance of any category with a pour point of greater than 37,8 °C.
Any noxious liquid substance, the residues of which cannot be stripped from a cargo compartement and its associated piping and pumping system to equal to or less than 75 litres.
A noxious liquid substance in category “Y” with a viscosity equal to or greater than 100 mPa·s at 37,8 °C.
If drugs are discovered onboard your ship:
Ensure the witness to the discovery signs your incident report.
Write a report a few days after the event and describe everything that occurred.
Disembark crew and passengers as quickly as possible at the next port of call so the authorities can conduct their investigation.
Notify the authorities after you arrive at the next port of call.
Chemical tankers are built with either “gravity” or “pressure” type cargo tanks. A “gravity” tank is one having a design pressure at the top of the tank of:
0,7 bar.
0,1 bar.
2,7 bar.
1,7 bar.
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.
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 relay of a distress-call by an RCC for coast-station begins with:
Distress (3x).
MAYDAY RELAY (3x).
PAN PAN (3x).
MAYDAY (3x).
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.
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.
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.
When a character in the NAVTEX message sent is not received in the proper way:
A closely resembling character will be printed.
Any other character will be printed.
The message will not be printed at all until, with repeated transmission, it can be automatically compared and corrected.
Nothing or a special character will be printed.
During the survey of Long Range Identification and Tracking (LRIT) equipment, which document must be available to the surveyor to demonstrate compliance with SOLAS?
The Certificate of Compliance with SOLAS V/19-1, bearing the serial number of equipment installation.
A Statement of Installation and Testing by the Application Service Provider in compliance with SOLAS V/26-4.
A report giving the result of the Performance Test, issued by the manufacturer in compliance with the Flag State Authority requirements.
A report giving the result of the Conformance Test issued by an Application Service Provider on behalf of an Administration.
What is the maximum quantity of cargo permitted to be carried in a single tank on a type II chemical tanker?
3 000 m3.
3 400 m3.
2 400 m3.
2 750 m3.
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.
The transmitting power of the VHF is adjusted by setting:
Dual watch.
Squelch.
High/low power.
I don’t know.
What type of vessel would show the illustrated lights?
A sailing vessel, at anchor.
A sailing vessel, seen from astern, where the edges of her sidelights are both visible.
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 of less than 10 metres in length, displaying the mandatory combined lantern inlieu of sailing lights, seen head-on.
The carriage of a new Noxious Liquid Substance not yet listed in the IBC Code may be considered possible, provided it is achieved through a “tri-partite” agreement between:
The Flag State of the Shipper/the Flag State of the Charterer/the Flag State of the Receiver.
The IMO/the Port State of the Shipper/the Port State of the Receiver.
The Port State of the Shipper/the Flag State of the Carrier/the Port State of the Receiver.
The Shipper/the Receiver/the Operator or Charterer.
What is the probable cause of an error in the position shown on a GPS receiver set into “2D” fixing?
The receiver has defaulted to “3D” fixing and there is no overhead satellite.
Incorrect height of the antenna set into the receiver.
The limit set on the HDOP figure is too great.
The limit set on the VDOP figure is too small.
As a result of being in collision with your vessel, the other vessel is involved is on fire. What are your responsibilities?
The other vessel is in distress and if possible I will render assistance.
You should continue on with the voyage if your damage is not serious.
There is no statutory requirement to provide assistance as the actions of that vessel were the primary cause of the collision.
Your vessel should manoeuvre close to the other vessel and aid the fire-fighting operation.
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”.
During an audit, adherence to the company cargo handling procedures can best be demonstrated:
By providing a summary of out-turn figures for the auditor.
By requesting that an audit takes place during cargo operations.
By providing a summary of incident and lost time figures for the auditor that reflects a successful and trouble-free system on board.
By being able to provide comprehensive and verifiable documentary records of cargo operations.
While navigating using a paper chart marked WGS84 the OOW plots the ships position by four different methods and they all give slightly different positions. Which of the following would be considered the most accurate.
Radar ranges from two radar destinctive headlands.
GPS set on WGS84 datum.
Bearing and distance from a navigation buoy close to the vessel.
Gyro compass bearings from two lighthouses.
As per SOLAS regulations, the general emergency alarm system must be tested:
Every 3 weeks.
Every month.
Every 2 weeks.
Every week.
What is 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?
Not less than 760 mm.
Not less than 1 250 mm.
Not less than moulded breadth/5.
Not less than moulded breadth/15.
A DSC distress alert is received. The message states that communication by radiotelex is preferred. One preferably uses:
FEC mode.
ARQ mode.
SELFEC mode.
Give the meaning of the following symbol:
Rocket parachute flares.
Line throwing appliance.
Survival craft distress pyrotechnic signals.
EPIRB.
What is false regarding the function “Transmission and reception of on scene communications”.
On area A4 this function is based on the use of HF R/T.
On area A1 this function is based on the use of VHF R/T.
On area A3 this function is based on the use of VHF or/and MF R/T.
The use of SART transponder.
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.
For security purposes, the IMDG Code should be read in conjunction with the:
IMO NVIC 24 and 46 CFR 2.05.
Chapter V of SOLAS and Annex II of MARPOL.
Chapter XI-2 of SOLAS and Part A of the ISPS Code.
Part B of the ISPS Code and Chapter II of the Maritime Transport and Offshore Facilities Act.
On area A4 the function “Transmission and reception of signals for locating” is mainly based on:
The use of SARSAT COSPAS Epirbs.
The use of SART transponders.
The use of HF DSC.
The use of MF DSC.
Under most circumstances, how will communication be carried out between a ship and a SAR helicopter?
On 121,5 MHz.
On VHF Ch. 16.
On 410 KHz.
On VHF Ch. 70.
A MMSI number consist of:
6 digits.
9 digits.
10 digits.
The call sign followed by 4 digits.
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.
By the term “Stand by” the operator of a coast-station means that one should:
Wait until the coast-station calls again.
Switch back to the calling channel.
Give the position of the ship.
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 is the MARPOL definition of a “high-viscosity substance”?
A noxious liquid substance in category “X” or “Y” with a viscosity equal to or greater than 50 mPa×s at the unloading temperature.
A noxious liquid substance of any category with a pour point of greater than 37,8 °C.
Any noxious liquid substance, the residues of which cannot be stripped from a cargo compartment and its associated piping and pumping system to equal to or less than 75 litres.
A noxious liquid substance in category “Y” with a viscosity equal to or greater than 100 mPa×s at 37,8 °C.
What is the purpose of the “SQUELCH” on a VHF transmitter/receiver?
Reduce the “noise” in the background.
Increase the range of the transmitter.
Increase the sound signal of the receiver.
Switch to another channel.
“…a ship… …intended to transport products with appreciably severe environmental and safety hazards which require significant preventative measures to preclude escape of such cargo. Usually the ship is of double-hull construction, with a variety of tank sizes/capacities”. What is this the definition of?
A type II chemical tanker, as per the IBC Code.
A type I chemical tanker as per IBC Code.
A parcel chemical tanker as per the IACS Construction Regulations.
When handing over the con of a vessel to a pilot, should the Master insist in discussing the passage plan with the pilot while he is there to use his local knowledge and advice on the navigation of the ship?
A passage plan should be discussed between the Master and pilot, when under pilotage in the same way as discussed with the bridge team when deep sea.
A pilot is responsible for the navigation whilst on board and will be very familiar with what is required, therefore discussing the passage plan is not necessary.
The pilot would probably consider it unnecessary, be more interested in knowing the ship’s characteristics and resist any passage planning discussions with the Master.
The passage is well established and known by the pilot and a plan is therefore not necessary.
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.
As per MARPOL 73/78, coal slurry, clay slurry, dextrose solution and molasses are classified as:
“X”.
“Y”.
“Z”.
OS (Other substances).
Which personnel must undergo familiarization training on board?
Only the deck officers.
Only the ratings.
Only catering staff.
Everyone.
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.
What type of search pattern is recommended in the IAMSAR Manual as most effective when the location of the search object is known within relatively close limits?
Expanding Square Search.
Track Line Search.
Sector Search.
Parallel Sweep Search.
Which of the following groups of chemical cargoes is particularly susceptible to polymerisation, especially through exposure to heat?
Monomers.
Aldehydes.
Paraffins.
Aliphatic Amines.
In a Type “1” chemical tanker (one that is certified to carry the most hazardous chemicals) the maximum amount of cargo contained in any one tank must not exceed:
1 250 m3.
1 750 m3.
750 m3.
2 250 m3.
The mandatory color of a hand flare is:
Green.
Red.
White.
Yellow.
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.
If your chemical tanker is equipped with high velocity venting valves, at what minimum height above the weather deck or catwalk should they be installed?
3 metres.
6 metres.
2,5 metres.
4,5 metres.
The time indication 121310z means in maritime radio communication:
12th day, 13:10 hours UTC.
12th day, 13:10 hours local time.
12th month, 13th day 10:00 hours UTC.
The IBC Code prescribes certain design conditions for a cargo heating or cooling system fitted to a chemical tanker. What does it require in respect of pressure within such a system, for any condition other than when it is empty?
That a higher pressure can be maintained within the system than the maximum pressure head that could be exerted by the contents of the cargo tank on that system.
That an automatic alarm is fitted to alert the operator when the pressure within the system drops to within 0,2 bar of the pressure measured at the lowest cargo pressure sensor within the tank.
That the system must be fitted with automatic control valves that will maintain the inlet pressure at not less than 0,2 bar above the return pressure.
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.
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.
Wire antenna of 12 metres long is probably:
A MF/HF-antenna.
A VHS-antenna.
An Inmarsat-antenna.
Which one of the listed requirements regarding the stowage of lifeboats and life-rafts corresponds to present SOLAS regulations?
Lifeboats shall be stowed attached to launching appliances.
Life-rafts intended for throw-overboard launching shall be stowed midships secured to means for transfer to either side.
Life-rafts shall be stowed close to the stern of the vessel.
Davit-launched life-rafts shall be stowed on starboard side of the ship.
The steps of the embarkation ladder used must be spaced apart by a distance of:
Equally spaced not less than 300 mm or more than 380 mm.
Equally spaced not less than 200 mm or more than 280 mm.
200 mm.
300 mm.
When a Master takes the leadership in approaching a problem, must his first action be a decision that will directly solve the problem?
Not necessary, he shall use all available resources. He should resist the temptation to step in and do it all by himself.
Yes, take full control. Do not delegate to other officers, to avoid mistake.
No, he should observe the situation, and let the other senior officers solve the situation.
Yes, with his experience, it is most likely that he has the best solution.
The portable walkie talkies required to be carried by GMDSS regulations should have which channels as a minimum?
Channels 6, 13 & 16.
Channels 13 & 16.
Channel 16 only.
Channels 6 & 16.
At what calendar interval must lifting appliances on board a vessel be suitably tested by a competent person?
5 years.
2 years.
2 1/2 years.
Annually.
What is the minimum number of channels required for the portable two-way VHF’s for survival craft?
Channels 6, 13 & 16.
Channel 16 only.
Channels 16 & 12.
Channels 6, 16 & 12.
In which of these circumstances can your ship request a DoS?
Your ship is conducting activities with a port or ship that is not required to implement an approved security plan.
There is a heightened security risk for your ship and a port facility.
Your ship is operating at a lower security level than the ship or port it is interfacing with.
Your ship has added a new port to its of ports of call.
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.
You are close to the entrance to a port in thick fog. You hear the following signal. What does it mean?
That there is a vessel at anchor in the vicinity. She is less than 100 metres in length.
That the port is closed.
That there is a vessel at anchor in the vicinity. She is more than 100 metres in length.
That there is a vessel aground in the vicinity.
Which of the following requirements regarding on board stability data corresponds to present regulations? (NSCL 4/12.1).
Drawings and calculations documenting the stability of the ship, both in intact and all possible damage condition.
A calculation example showing the use of “KG” limitation curves.
A calculation example showing use of “GM” limitation curves.
Stability data produced by stability calculation instruments.
A “Standard Format for Search and Rescue Situation Reports” (SITREPs) should be used by vessels in distress. The SITREP can be compiled as a short form (urgent essential details). Which of the following information shall be included when using the “short form”?
Oil spill possibility.
Position.
Weather on-scene.
Cargo information.
Cargo residues of certain chemical substances are permitted to be removed by ventilation. This may be carried out provided that:
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 changes 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.
You are on a vessel 10 nautical miles off the coast of Nigeria, West Africa. Are you allowed to dump empty glass bottles overboard?
No, glass bottles can not be dumped overboard.
Yes, glass bottles can be dumped overboard.
Yes, the bottles can be dumped if they are ground so that the resulting particles can pass through a screen with 50 mm openings.
I don’t know.
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 approaching a port in restricted visibility and you hear this signal. What kind of vessel is it and what is it doing?
It comes from a vessel engaged in pilotage duties and it is making way through the water.
It comes from a vessel restricted in her ability to manoeuvre.
It comes from a vessel at anchor, less than 100 metres in length.
It comes from a vessel engaged in pilotage duties at anchor, over 100 metres in length.
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.
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.
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.
If your chemical tanker is equipped with high velocity venting valves, at what minimum height above the weather deck or catwalk should they be installed?
4,5 metres.
6 metres.
3 metres.
2,5 metres.
On board an accident happened. Urgent radio-medical advice is needed. We choose the category:
Safety.
Urgency.
Routine.
I don’t know.
Which one of the given requirements regarding survival craft muster and embarkation arrangements corresponds to the present SOLAS regulations?
Searchlights to be provided at the launching station.
Davit-launched survival craft muster and embarkation stations shall be arranged to enable stretchers to be placed in survival craft.
Muster and embarkation stations shall be readily accessible from accommodation and work areas.
I don’t know.
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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