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家 在线测试 CES Reefer MASTER / Ch-Officer Test for seamans about Deck department, Management level, Reefer Ship (CES v6.0)
在线测试： Test for seamans about Deck department, Management level, Reefer Ship (CES v6.0)
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A Cargo Ship Equipment Certificate will be issued for:
5 years with control every 12 months.
4 years.
2 years with control every 6 months.
3 years.
If the wind speed on a vessel doubles, by approximately how much will the force from it rise?
The force will be Quadrupled.
The force will be Doubled.
The force will be Tripled.
The force will be Quintupled.
According to Rule 26 of the International Regulations for Preventing Collisions and the illustrated lights, what type of vessels are they?
These are two vessels engaged in fishing (pair trawling), showing the additional volutary signals for shooting nets.
These are two vessels engaged in fishing (using purse-seine gear). The searchlights are simply working lights.
These are two vessels engaged in fishing (pair trawling), showing the additional volutary signals for hauling nets.
This is a vessel engaged in towing a disabled tow, restricted in its ability to manoeuvre, with a searchlight used to highlight the location of the tow.
According to rule 13 of the International Regulations for Preventing Collisions at Sea, what is the definition of “an overtaking vessel”?
When coming up with another vessel from any direction abaft her beam.
When coming up with another vessel from a direction more than 22,5 degrees abaft its beam.
When the vessel is detected as a radar target or sighted visually in a position directly astern.
When coming up with another vessel from a direction more than 45 degrees abaft her beam.
The bridge wheelman has not reported for duty and there is a suspected “Man Overboard” situation on your vessel. The ship has been searched and there is one seaman missing? The vessel turns round and retraces the course back, calling for assistance from other vessels in the vicinity. What should be the focal point for any search pattern to be established?
Determine when the seaman was last sighted and concentrate the search round the course line between the last sighting and present position, taking into account any prevailing current.
The focus of the search should be from the present position as he probably went overboard when proceeding to the bridge for his watch.
The last sighted position should be the focal point of any search pattern and all ships should keep a good lookout in that vicinity, moving outwards to the present position.
Determine the drift and leeway of own ship and take this deviation from track into account on the return course. The search should focus around this return track back to the last sighted position.
What factors cause a vessel to squat when it is moving through water?
There are changes in the bow and stern pressure fields associated with the ships motion.
There is a decrease in the water velocity and an increased of water pressure around the ship’s hull.
There is an increased effect of gravity due to closeness of the sea-bed.
There is an increase in the water velocity and a decrease of water pressure around certain parts of the vessel’s hull.
Most minor oilspills are caused by:
Human error.
Unforeseeable circumstances.
Major casualties.
Equipment failure.
Which PPM is allowed for discharging Bilge Water overboard?
0 PPM.
15 PPM.
50 PPM.
100 PPM.
As a minimum, how often shall life boats be launched with their assigned operating crew aboard and manoeuvred in the water according to SOLAS?
Every 3 months.
Monthly.
At least every 6 months.
Once a year.
Which of the following requirements regarding on board stability data corresponds to present regulations? (NSCL 4/12.1).
A calculation example showing the use of “KG” limitation curves.
Drawings and calculations documenting the stability of the ship, both in intact and all possible damage condition.
A calculation example showing use of “GM” limitation curves.
Stability data produced by stability calculation instruments.
Your vessel has been involved in a collision, which has resulted in a heavy oil leakage. Who should be called to handle pollution claims and damages?
The Leading Hull Underwriter’s nearest Average Agent.
The Classification Society’s representative.
The P&I Club’s nearest representative.
Flag state representative.
What is the correct setting of the “Anti sea clutter” control on the radar?
A few sea returns remaining around the own-ship position.
All of the suggested answers.
No sea returns left on the screen which may confuse with small target echoes near the ship.
A removal of all the sea returns down to about a mile from own ship.
In making VHF communication or test transmission you must:
Warn all ships in the vicinity.
With DSC use, first broadcast the carrier wave for at least three seconds.
Identify yourself with your call sign and/or ship’s name.
First tap on the mike several times, but not more than 10 times.
The compulsory testing of a prescribed EPIRB is to be done:
Once a week.
Once a month.
Once a year.
Don’t know.
The prescribed test of an approved portable VHF radio set (portophone) must be done once a:
Week.
Month.
Year.
Don’t know.
The prescribed periodic tests of the radio set must be entered in:
Radio Log.
Equipment manual.
Ship’s deck log.
Manual maritime radio communication.
The word SHIP is spelled conform the international phonetic alphabet:
Sierra, Hotel, India, Papa.
Sugar, Hotel, Italia, Peter.
Singapore, Hotel, India, Paris.
Sierra, Hotel, Item, Papa.
In the Inmarsat Maritime Communications Handbook one can find information about:
2 digit code telex services.
Radio telex commands.
Numbers of fax subscribers.
Don’t know.
When on HF band a DSC distress alert is received, you have to listen to:
8 414,5 kHz (DSC distress frequency in 8 MHz).
The radio-telex distress frequency in the bankd in which the DSC distress alert was received.
The radio telephony distress frequency in the band in which the DSC distress alert was received.
Don’t know.
When may a call for radio medical advice be preceded by the urgency-signal?
In urgent cases.
Always.
When you have a doctor on board.
Don’t know.
The safety message announces that a station:
Will relay a message concerning an important navigational or meteorological warning.
Is in serious and imminent danger ad needs immediately assistance.
Has an very urgent message concerning the safety of a vessel, a plane or another means of conveyance.
Don’t know.
A distress alert has accidentally been sent with the Inmarsat-C installation. One should now:
Make contact with an RCC.
Turn of the transmitter.
Wait until an RCC reports.
Don’t know.
A distress alert sent by Inmarsat to an RCC is sent via:
NCS.
LUT.
LES.
Don’t know.
The following information must be given on the SART:
Date of replacement of the batteries.
Date of replacement of the hydrostatic release unit.
The MMSI number sent.
Don’t know.
The International Convention for the Safety of Life at Sea (SOLAS) regulations, Chapter 5, deals with the Safety of Navigation and applies to which vessels?
The Convention only applies to ships over a certain size.
It applies to ships of over a certain size engaged in International Voyages.
Over 10 000 dwt.
To all vessels and all voyages with exceptions.
What is the purpose of the “SQUELCH” on a VHF transmitter/receiver?
The Convention only applies to ships over a certain size.
Reduce the “noise” in the background.
It applies to ships of over a certain size engaged in International Voyages.
Over 10 000 dwt.
Messages sent via Inmarsat-C are charged:
On the basis of a 3 minute minimum charge with 1 minute incremental steps.
On the number of kilobits of infromation transmitted per block of 1 024 bits.
On the number of kilobits of information transmitted per block of 256 bits.
On the basis of a 6 second minimum charge with 6 seconds incremental steps.
In which publication will you find the working frequencies of coast stations?
The ITU List of Ship Stations.
The ITU List of Radiotermination and Special Services.
The ITU List of coast stations.
I don’t know.
Which of the following prevention actions offers the guarantee of an efficient intervention in an emergency?
All answers are good.
Planning of the emergency.
Training of the crew.
The installation of protective measures.
Which of the following duties shall be included in the “muster list” as being assigned to crewmembers in relation to passengers?
Clearing the escape routes.
Ensuring that extra food and water is taken to the survival craft.
Ensuring that every passenger is provided with an immersion suit or a thermal protective aid.
Assembling passengers at muster station.
The steps of the embarkation ladder used must be proportioned as it follows:
Length = 280 mm, breadth = 85 mm, depth = 10 mm.
Length = 380 mm, breadth = 145 mm, depth = 20 mm.
Length = 480 mm, breadth = 115 mm, depth = 25 mm.
Length = 580 mm, breadth = 165 mm, depth = 30 mm.
A rocket parachute flare reaches an altitude of:
Not less than 40 m.
Not less than 180 m.
Not less than 300 m.
Not less than 450 m.
Buoyant smoke signals shall be so designed as to burn or emit smoke:
Continuously after having been immersed for a period of 10 seconds under 100 mm of water.
When underwater.
Only when not in the water.
Continuously after having been immersed for a period of 1 minute under 1 m of water.
When reasonable and practicable, how often shall rescue boats be launched with their assigned crew aboard and manoeuvred in the water?
Every week.
Every 2 weeks.
Every month.
Every 6 months.
What is the main theme of modern safety practice?
Making use of Risk Assessment as a means to improving safety.
Use the same practice that has been in place for some time.
Health&Safety at Work Act.
Consult the chief officer before commencing work.
Which one of the listed requirements regarding life-saving appliances do not correspond to present regulations?
All prescribed life-saving appliances shall be fitted with retro-reflective material which will assist in detection.
All prescribed life-saving appliances shall be resistant to deterioration where exposed to sunlight.
All prescribed life-saving appliances shall be made of non-combustible or fire retardant material.
All prescribed life-saving appliances shall be of a highly visible colour on parts where this will assist detection.
Who is responsible for the regular security inspections of the ship?
The Ship Security Officer.
The Port Facility Officer.
The Classification Society.
The Company Security Officer.
Information about your ship’s security arrangements and procedures is stored electronically. Which of these measures will help safeguard it from potential threats?
Passwords.
Protective markings.
Encoded email messages.
Work history verification.
A standard convention for a 4 deck reefer vessel is to designate the decks A to D from upper to lower deck. Decks A and B common as are C and D with a gas tight seal between B and C. Apples are to be carried in decks C and D with bananas in A and B. Which of the options is the best to avoid the risk of crossover of temperature and respiration between the two cargoes?
Create a pressure differential with a higher pressure in decks A and B.
Run the cargo fans intermittently in one of the spaces.
Operate the two spaces at equal pressures as the cargoes are compatible.
Create a pressure differential with a higher pressure in decks C and D.
A reefer vessel is to load a cargo of plantains and bananas. Due to space restrictions both have to be loaded into a common space. The usual delivery temperature for bananas is about 13 degrees Celsius and for plantains it is 7 degree Celsius. What would be the best delivery temperature for the mixture of these two fruits?
13 °C as plantains are less sensitive to the consequences of a higher delivery temperature.
10 °C as this is the mean temperature of the two cargoes and they would both carry satisfactorily at this temperature.
7 °C as plantains are more sensitive to the higher delivery temperature of the bananas.
Adjust the set point of the delivery temperature to 7 °C for 12 hour periods and 13 °C for the intervening 12 hour periods.
A situation exists where a cargo of palletised fruit is being loaded to capacity on a conventional reefer vessel. In order to load all of the available cargo it is proposed to break down some of the pallets and place the loose cartons on top of the pallets; there is just enough space to accommodate this below the deckhead. From the options given which is the most suitable action to take?
Accept the plan in order to carry all of the cargo.
Reject the plan as the reduced gap at the top of the stow will restrict the return air flow.
Reject the plan as the charter is to carry only palletised cargo.
Reject the plan as the extra handling will incur greater stevedoring costs.
Reefer vessels form part of the “cold chain” in the transport of perishable goods from the producer to the consumer. There are times when hatches have to remain open in less than perfect conditions, for example strong winds. There are steps that can be taken however to mitigate the effects of this on cargo that has already been loaded. Which of the options given could be considered to be the most important measure to counter the effect of such conditions?
Cover the stow with a Tenasco (heavy plastic) sheet where possible to protect it from the wind.
Reduce the air delivery temperature.
Refrain from ventilating the cargo with fresh air.
Run the cargo fans continuously during cargo operations.
A reefer vessel is loading a cargo of fruit alongside in a South African port. During loading another vessel arrives at an adjacent berth to have its cargo discharged after having been towed in following a fire onboard which had resulted in abandonment. What should concern the Master of the reefer vessel most about the situation?
The damaged vessel is unmanned and may not be cared for properly.
The speed of cargo operations may be hindered due to the discharge of cargo from the damaged vessel.
The cargo being discharged from the damaged vessel may be in poor condition and may contaminate the loading vessel’s cargo.
That the cargo may be contaminated by the smell of smoke and the products of combustion from the damaged vessel.
Prior to loading a reefer cargo it is good practise to carry out an “ice test” of the temperature sensors within the cargo space. Part of the test is to immerse the sensors in a test bucket of known temperature, usually zero degrees Celsius as this is the melting point of ice. Which of the options is correct in relation to preparing the test bucket?
Insulated ice buckets should be filled with ice cubes approximately 2 centimetres square and a small quantity of distilled water to produce an ice-water mixture. The ice cubes should be produced from clean distilled water.
Insulated ice buckets should be filled with ice cubes approximately 2 centimetres square which have been made from clean distilled water.
Insulated ice buckets should be filled with ice produced in the vessel’s low temperature chamber. A hole the exact size of the sensor should be drilled into the ice and the sensor inserted into the hole to give a rapid test process.
Insulated ice buckets should be filled with crushed ice purchased in bulk from a shore supplier.
Data loggers are a vital part of the temperature control and monitoring system on a reefer vessel. In a situation where the data logger fails several days before the end of the voyage it is still necessary to maintain control of and monitor cargo temperatures. How could an accurate, portable thermometer be used to the best effect, to achieve this, in such a situation?
Use the thermometer to check and control the delivery air temperature by inserting it in the delivery air ducting close to the evaporators.
Use the thermometer to check and control the return air temperature by holding it in the return air space on top of the cargo.
Use the thermometer to check the pulp temperature by entering the cargo space and placing it in the centre of the stow.
Use the thermometer to maintain the delivery air settings as they were prior to the data logged breaking down.
To correctly interpret the readings on the printout from a reefer vessel’s cargo data logger it is essential to have some knowledge of the location of the temperature sensors. Where would the temperature sensor for the delivery air to a cargo hold be expected to be located?
Just above the cooling coils where the air returns from the cargo space.
In the air flow path from the cooling coils, about 3 metres from the coils.
In the air flow path from the cooling coils, but at the opposite end of the cargo space to the coils.
Use the thermometer to maintain the delivery air settings as they were prior to the data logged breaking down.
On a reefer vessel air is passed over the cooling coils before entering the cargo hatch via trunking to cool the cargo. It is important to ensure that the cooling coils are clear of any material such as plastic sheeting or bags. Why is this so important?
The plastic material may affect condensation forming on the cooling coils.
The plastic sheeting may be picked up by and foul the cooling fans.
The plastic material may block scuppers and bilges.
The plastic may interfere with the air flow over the cooling coils and subsequently the cooling of the cargo.
Select the option which correctly completes the following statement. A conventional reefer vessel operating with a controlled atmosphere plant must have cargo spaces which:
Are fitted with variable speed fans.
Have the normal bulkhead and deckhead penetrations required for a reefer compartment.
Have a minimum number of deckhead and bulkhead penetrations.
Have a gas tight seal.
Two conventional reefer vessels are being considered for a charter that involves the transhipment at sea, or at anchor, of a cargo of frozen squid, as weather permits. Both vessels have 4 holds, vessel A has high speed, 10 tonne deck cranes and vessel B has 5 tonne, union purchase derricks. Which of the vessels, if any, would be best suited to this type of operation?
Vessel B would be more suitable as the derricks will give more control of the operation at sea or at anchor.
Vessel A would be more suitable as the greater lift capacity of the cranes would allow bigger pallets to be transhipped.
Neither vessel would be suitable as none of the cargo handling equipment fitted could be used at sea or at anchor.
Vessel A would be more suitable as the high speed cranes would allow the operation to be completed more quickly.
Earlier reefer vessels designed and built for liner trade usually had two or three tween decks approximately 2 to 2,5 metres in height and deep lower holds approximately 4 to 5 metres deep. Modern designs usually incorporate more decks each approximately 2,3 metres in height. What is the main reason for this fundamental design change?
The increased proportion of chilled as opposed to frozen cargoes that are carried.
It is easier to construct vessels with shallow decks.
There is an almost universal use of standard height pallets.
The increased number of container vessels has reduced the tendency to carry general cargo outbound from Europe or North America to Australia and New Zealand on reefer vessels.
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 long oblong space as would be found in an after upper deck.
A narrow tapered space as would be found in a forward lower deck.
A square space as would be found in a midships lower deck.
A flared space that would be found in a forward upper deck.
When considering how non-containerised perishable cargoes such as bananas and grapes are presented for loading the temperature of the cargo is important. Which one of the statements included in the options is correct?
Grapes are loaded at field temperature while bananas are pre-cooled.
Bananas are loaded at field temperature while grapes are pre-cooled.
Bananas and grapes are both loaded at field temperature.
Bananas and grapes are both loaded pre-cooled.
Refrigerated cargoes are generally easy to secure for a sea passage when compared to some bulk, timber and project type cargoes. The cargo must be stowed so that it will not shift during the voyage and so that a good air flow can be maintained through the cargo. Which one of the given options is most likely to result in this required outcome and a successful carriage?
The stow is unimportant as it is only the temperature in the hold which determines whether or not the cargo is carried successfully.
A tight uniform stow but with vertical gaps in the cargo for air flow.
A loose uniform stow.
A tight uniform stow which forces air through the cargo.
Some perishable cargoes which are normally carried refrigerated can also be carried non- refrigerated even on a long sea passage. This requires that the commodity is suitably packed and correctly ventilated during transport. Select the option which correctly completes the following statement. The type of cargo most suited for a sea passage under ventilation only would be:
Strawberries.
Grapes.
Onions.
Pineapples.
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 suctions.
Stop engines and immediately request “Full Astern”.
Sound the General Alarm and plot the ships position.
How many square metres does the IAMSAR Volume 3 manual suggest may be calmed by releasing 200 litres of lubricating oil slowly through a rubber hose with the outlet maintained just above the surface while the ship proceeds at slow speed?
Approx 50 square metres.
Approx 500 square metres.
Approx 5 000 square metres.
Approx 50 000 square metres.
As per the IMDG Code, “Proper Shipping Name” is defined as:
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.
The reporting of incidents involving harmful substances and/or marine pollutants is regulated under:
The UN Convention on the Reporting of Accidents and Incidents which Present a Hazard to the Marine Environment 2004.
Appendix B of the Supplement to the IMDG Code.
Protocol I of MARPOL 73/78.
Annex II to SOLAS 1974.
“Door to door” shipment is covered under:
A Through Bill of Lading.
A Destination Bill of Lading.
A Multi-Phase Bill of Lading.
An Ocean Bill of Lading.
How often is the performance check of a “Voyage Data Recorder” by a competent person required under SOLAS?
At the Intermediate Safety Equipment Survey.
When the battery is replaced.
When the data media is downloaded.
Annually.
Which organisation verifies the computational results and stored ship data used by the stability program loaded on a vessel’s computer?
The Classification Society.
The Flag State Administration.
The Shipyard.
The Master.
If W = Displacement, L = length, B = Breadth, D = depth of vessel, Cb = Block Coefficient, Cw = Coefficient of Waterplane, RD = Relative Density, then:
W = L × B × D × Cb.
W = L × B × D × RD.
W = L × B × D × Cw.
W = L × B × D × Cb / RD.
The majority of convensions adopted under the auspices of IMO fall into which of the three main categories:
Maritime Safety, Prevention of Marine pollution, Liability and compensation.
Safety, Terrorism, ILO.
There are no conentions that fall under IMO.
I don’t know.
Why is it important to have good relationship on-board a vessel?
Crew comes to know each other problems.
It leads to better work performance and positive atmosphere among the crew.
It encourages crew to extend their contract.
It will prevent accidents from happening.
What type of dynamic forces may cause indent in plating on forecastle deck and main deck in way of pillars inside forecastle?
Pressure forces caused by green water on deck.
Forces created by waves on the forecastle.
Slamming in way of flat bottom forward of light draught.
Impact pressure forces in way of abrupt or flared bow.
Who can contact the Designated Person with their safety concerns?
Only Captain.
Only Captain and Officers.
All crewmembers.
I don’t know.
The «Deck Department, Management Level, Reefer» subject covers both theoretical and practical knowledge related to safely working with electrical equipment. Proficiency in this area is a clear indicator of an employee's competence in a relevant role on a vessel. Typical duties include monitoring and maintaining the temperature and humidity levels inside reefer containers, conducting regular inspections to ensure they are functioning properly, and overseeing the loading and unloading of reefer containers from ships and trucks. Overall, the officer is responsible for ensuring that all reefer containers are transported safely and efficiently, with the goods inside kept at the correct temperature and humidity levels throughout the journey.
- Version: 6.0.0.
- Test type: STCW.
- Department: Deck.
- Level: Management.
- Vessel type: Reefer.
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