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Главная Онлайн-тесты CES Chemical tanker MASTER / Ch-Officer Онлайн-тест CES 5.1 для MASTER / Ch-Officer, Chemical tanker vessel
Онлайн-тестирование: Онлайн-тест CES 5.1 для MASTER / Ch-Officer, Chemical tanker vessel
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Тест состоит из случайных вопросов по выбранной теме.
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How many rocket parachute flares are carried in each liferaft with SOLAS B pack?
Nil
6
2
12
What class of fire involves gas?
Class C fire
Class D fire
Class A fire
Class B fire
A class "D" fire involves what type of material?
Liquids
Gases
Metals
Wood or other carbonaceous material
What is the general requirement for closing mechanisms for in- and outlets of all ventilation systems (ships other than passenger ships carrying more than 36 passengers)? (SOLAS II-2/16.9)
To be remotely controlled from central fire control panel
Automatic closure for each section to be activated by the fire detection and alarm system
Only manually closing mechanism allowed
Closing must be possible from outside the spaces being ventilated
Which of the following statements does not apply to fire doors in main vertical zone bulkheads and stairway enclosures in passenger ships?
If normally locked they do not have to be self closing.
They shall be of the self closing type.
They can have hold back hooks not subject to control station release providing the emergency plan details a person to close them.
They shall be capable of being closed from a control station unless they are normally closed.
*How long may the signal of a detector be left unacknowledged before it begins to ring automatically in every crew accommodation spaces, service spaces, control stations and machinery spaces of category A?
10 min
2 min
1min
5 min
The fixed-pressure water-spraying fire-extinguishing system nozzles must ensure an effective average distribution of water in machinery spaces of
10 l /m?/ min
5 l /m?/ min
20 l /m?/ min
12 l /m?/ min
Under way to discharging port temperature tests indicate fire in a hold loaded with coal. What is the first action to be taken?
Fill the hold with water
Call for assistance from other ships or rescue vessels
Close all air ventilators and other openings to the hold in question
Open the hatches and cover the top of the cargo by foam
*Which of the following is an haloganated hydrocarbon that can be found onboard existing ships as an extinguishing agent for a fixed system?
1021
1011
1201
1301
*Shall any required automatic sprinkler be capable of immediate operation without action by the crew?
No
It depends on the area it is placed
Yes
Only in the engine spaces
The presence of smoke represents one of the greatest dangers in the fire fighting. Why?
It reduces the visibility, provokes panic, is irritating and may be toxic
It only reduces visibility and is very hot
It hinders communications, causes burns, and provoke panics
It refrains the equipment from setting out the fire, and is irritating
Instructions for "Preparation for welding or hot work in cargo tanks" is laid down by the Norwegian Maritime Directorate. Which of the following requirements regarding welding or hot work corresponds to these instructions?
When the tank has been satisfactory cleaned.
Measuring of tank atmosphere shall be performed by one explosimeter.
When the tank has been satisfactory cleaned there shall be a 24 hour quarantene. Ventilation to be stopped and gas measuring to be carried out every second hour.
Ventilation from deck may only be carried out with the ship's inert gas fans.
In the traffic list a coast-station indicates that there is a radio telex-message for a vessel. To call for the message one should put in:
After ga+ the telex number of the ship
After ga+ the radio telex-command msg+
After ga+ the radio telex-command msg+?
After ga+? the radio telex-command msg+
The category of a DSC-call determines is:
how the rest of the call is to be composed
Don't know
the degree of priority
for whom the message is destined
Select the right send and receive frequencies for sending the routine ship/ shore MF-DSC message:
Don't know
TX: 2189.5 kHzRX: 2177.0 kHz
TX: 2177.0 kHzRX: 2177.0 kHz
TX: 2187.5 kHzRX: 2187.5 kHz
The compulsory testing of a prescribed SART is to be done:
once a week
once a year
Don't know
once a month
A 406 MHz Cospas-Sarsat EPIRB that transmits is:
Don't know
detected within 1 and a half hours by the satellites concerned
always immediately detected by the satellites concerned
only detected and directly passed on when an LUT is within the reach of the satellite
Conform SART requirements the signal must be visible on the ship’s radar from a distance of:
30 miles
1mile
5 miles
Don't know
What is false regarding the function :”Transmission of ship to shore distress alerts”
On all areas this function is based on the use of SARSAT COSPAS Epirb
On area A1 this function is based on the use of SART transponders
On area A1 this function is based on the use of VHF DSC
On area A2 this function is based on the use of MF DSC
The word NAVTEX is spelled conform the international phonetic alphabet:
November, Apple, Victoria, Tango, Echo, X-mas
November, Able, Valencia, Tripoli, Echo, Xantippe
November, Anna, Victor, Tango, Eduard, X-ray
November, Alfa, Victor, Tango, Echo, X-ray
A chemical tanker will carry cargoes of isophorone, ethylenediamine, and creosote. Which of the following is TRUE?
All of these cargoes are incompatible.
Isophorone is incompatible with ethylenediamine but may be stowed adjacent to creosote.
Ethylenediamine is compatible with isophorone but both are incompatible with creosote.
All of these cargoes are compatible.
Which one of the listed tasks do not necessarily have to be included in onboard training and instruction of crew members? (SOLAS III/18.4 - 18.5)
Onboard training and instruction shall be given in addition to regular abandon ship drills
Onboard training shall be recorded in the ship's log book
Training in use of lifesaving appliances shall be given as soon as possible, but not later than two weeks after joining the ship
instructions may cover different parts of the lifesaving system, but all lifesaving appliances shall be covered within two months after joining the ship
You are planning the discharge of a crude oil tanker with segregated ballast tanks, SBT. Which of the cargo tanks should be crude oil washed if you are expecting heavy weather?
All the cargo tanks that were not COW'ed in the last discharge port
At least 30% of the cargo tanks
The dedicated heavy weather ballast tank
Both sloptanks, and 30% of the remaining cargo tanks
Give the meaning of the following symbol
Foam valve
B class fire door self closing
Closing appliance for exterior
A class fire door self closing
Do you think a ship's trim has any influence on steering abilities?
Yes, a ship usually steers better if trimmed by the bow
No, it is usually best to have no trim at all
Yes, the ship usually steers better if trimmed by the stern
No, the ship will have the same steering ability unaffected by trim
According to the “Regulation and Restrictions” of the mariphone license, the mariphone:
apart from its position as indicated also be used in other places provided its call sign is at least transmitted once at the start and at the end of each transmission
Don't know
may only be present at the place, as indicated in the license
may be taken off the ship temporarily, only if suitable measures are taken for the prevention of the use of the mariphone
Secrecy in maritime radio traffic means that:
the speaker is switched off during private conversations
received messages, which aren’t intended for own ship are not passed on
Don't know
the mariphone may only be used by a person who is in possession of a valid operating certificate
The command of radio communication with inter-ship traffic is with:
Don't know
the calling station
the station being called
the biggest ship
What is the most important factor influencing the HF range?
the size of the antenna
the channel used
the frequency used
the power of the transmitter
Define the class of emission H3E :
Radiotelephony - Phase modulation
Radiotelex and DSC - Frequency shift keying of sub-carrier with error correction
Radiotelex and DSC - Phase modulation
Radiotelephony - Single sideband full carrier
Give the meaning of the following symbol:
lower liferaft to water
evacuation slide
davit-launched liferaft
liferaft without canopy
What is one of the dangerous states a survivor may suffer from?
Broken limb
Cold
Influenza
Hypothermia
*Each person the liferaft is permitted to accommodate for is provided with a quantity of water of:
2,5 l
15 l
1,5 l
5 l
How many two-way VHFs is required for ships over 500 brutto?
3 sets
One per lifeboat and one spare
1set
None
What is the meaning of this symbol ?
Survival craft pyrotechnic distress signals
Radar transponder
EPIRB
Survival craft portable radio
At least how often shall rescue boats (MOB) be launched with their assigned crew and manouvered in the water?
Every three months
Every week
Every month
Every two weeks
In the type of fluorescent lamp system shown in the illustration, the role of the starter is to perform which of the following?
To switch on current through the lamp, and to disconnect the ballast once the lamp has started..
To charge the ballast to a high inductive current, and then divert this current through the lamp.
To create a high starting current.
To pass current through the lamp heaters, and then interrupt the inductive striking current.
On the figure 4 possible definitions of the term "FAIRLEAD" are given. Which one is the correct one?
Fairlead is given by B on the figure
Fairlead is given by D on the figure
Fairlead is given by C on the figure
Fairlead is given by A on the figure
Why is it necessary to have an effective ballast water management plan which includes provision for changing out ballast in open water rather than discharging ballast in coastal waters?
To allow ballast tank inspections to be carried out during ballast passage.
To keep the ballast water fresh in the ballast tanks during long voyages.
To avoid the introduction of non-indigenous species of marine life from one area to another.
To ensure that ballast tanks are always pressed up during a ballast voyage to avoid free surface effects.
What are the required data inputs into most gyro compasses to reduce any possible compass error?
All of the data in the suggested answers
Latitude and Speed
Maximum helm angle and rolling period
Deviation and Variation
Who is responsible for the development of the Ship Security Plan?
The Port Facility Security Officer
The Classification Society.
The Company Security Officer
The Ship Security Officer
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?.
10 categories, numbered 1-10.
5 categories, labelled A-E.
Three categories, numbered I, ii and iii.
10 categories, lattered A-K (excluding I).
Every person onboard ship has a responsibility for safety and security. General house-keeping rules should be followed. Which of the listed rules is the most important onboard a tanker?
Never carry lighters or matches on the tank deck.
Always wear safety shoes on deck..
Always use the handrails when going up or down ladders.
Always use gloves when operating portable grinders and chipping machines.
What basic information do we get from the pump's flow-head curve?
We get information about the NPSH.
We get information about the pump-s lifting height and liquid flow.
We get information about the pump-s back pressure.
We get information about the pump-s suction head.
On a Container vessel, with regard to fire precautions, what must be ensured prior to securing hatch pontoons?
That the duty officer's permission has been obtained to secure the pontoons
That the cargo hold fire fighting system has been checked
That under-deck cargo operations have been completed
That all cargo clusters have been removed from the hold
At what calendar interval is a "Special Survey" required?
Every 2 1/2 years.
At 20 years and every five years thereafter.
Annually.
5 years.
What would a cracked cross-deck plating found during a loaded passage on a bulk carrier indicate?
That bulkhead failure is imminent
That the vessel is due for survey
That shear forces have been exceeded
That failure of the shell plating is imminent
Who is responsible to ensure that all personnel on board are provided with suitable Personal Protective Equipment where it is needed?
The Head Department
The Master
The Company/ employer
The safety officer
A sudden or gradual increase of the chloride content in the freshwater cooling indicates:
Leakages from seawater coolers
Leakages from oil coolers
Exhaust leakage
Low concentration of corrosion inhibitors
Why is an inhibitor added into, for instance, butadiene?
To prevent the cargo producing heat.
To remove the oxygen and by that avoid a chemical reaction.
To minimise the tank pressure.
On the charter’s recommendation.
A mixed deck cargo is to be loaded on a General Cargo Vessel; what are some of the important checks to be made by the Officer of the Watch?
Access to the ER and galley are unaffected
All fire hydrants and sounding pipes must be accessible
All hatch covers and the paint store must be accessible
Deck cargo is loaded no more than two metres above the deck
What general background colour is used on warning signs which require a specific "mandatory" action, such as one which might require the wearing of a safety harness during a particular work task?
Blue.
Red.
Yellow.
Green.
Is it required that the PA-system (Public Address) is connected to a back-up power sypply?
No, the crew will inform the passengers in case of any black out or power failure
Yes, only if the voyage is more than 12 hours
Yes, the public address system shall be connected to the emergency source of power
No
What is the most likely cause of the boiler exhaust gas being white in colour leaving the funnel?
Insufficient combustion air.
A faulty or dirty burner tip
Too much combustion air.
Low water level in the boiler.
A conventional reefer vessel is loading cargo of palletised fruit under controlled atmosphere (CA). Which of the given options is it essential that the deck officer confirms at completion of loading and before applying CA to the cargo?
All of the cargo hatches are sealed properly.
All of the cargo hatches are closed properly.
All personnel are out of the cargo holds.
That there is a tight stow in the cargo hatches.
When calibrating an pressure transducer we have to adjust both SPAN and ZERO. Please indicate in which order these adjustments should be done.
The order of adjustment is of no importance.
First Span adjustment and then Zero adjustment. After that Span setting should be checked gain.
First Span adjustment and then Zero adjustment. After that Span setting should be checked again.
First Zero adjustment and the Span adjustment. Then Zero should be rechecked.
What is the meaning of the expression MARVS?
The meaning of MARVS is Maximum Actual Relief Valve Setting
The meaning of MARVS is Maximum Allowable Relief Valve Setting
The meaning of MARVS is Maximum Automatic Relief Valve Setting
The meaning of MARVS is Minimum Allowable Relief Valve Setting
Who is normally deciding which search pattern to use?
SMC
OSC
CRS
SRU
This vessel is encountered at the mouth of a river which leads to your discharge port. What do the various shapes tell you?
This is a vessel engaged in mine-clearance opetrations. The two balls in a vertical line indicate that it has a sweep mechanism deployed; the two diamonds in a vertical line indicate that the vessel should be given a clearance of at least 1000 metres; the ball / diamond / ball indicate that the vessel is restricted in her ability to manoeuvre.
This is a vessel engaged in dredging or underwater operations. The two balls in a vertical line indicate the side on which an obstruction exists; the two diamonds in a vertical line indicate the side on which it is safe to pass; the ball / diamond / /ball in a vertical line indiacte that the vessel is restricted in her ability to manoeuvre.
This is a vessel engaged on port security duties. The two balls in a vertical line indicate that the port is closed; the two diamonds in a vertical line indicate that the port is engaged in mine-clearance operations; the ball / diamond / ball in a vertical line indicate that the vessel is restricted in her ability to manoeuvre.
This is a vessel engaged in dredging or underwater operations. The two balls in a vertical line indicate the side on which it is safe to pass; the two diamonds in a vertical line indicate the side on which an obstruction exists; the ball / diamond / ball indicate that the vessel is restricted in her ability to manoeuvre.
Over a period of a few hours of operation the main diesel engine speed gradually falls off. From the options given what is the most likely cause of this fault?
Water in a cylinder.
Injection valve opening pressure is too low.
Governor linkage broken.
Fouling of turbocharger intake filters.
A vessel such as a parcel chemical tanker, with an high inbuilt level of subdivision will typically not have a problem with which particular feature of stability which will need to be accounted for on other tankers that have large, unrestricted tanks?
Ability to maintain an effective trim throughout loading and discharge operations.
Wind Surface Area.
Free Surface Effect.
Expansion of cargo within tanks, due to cargo heating, with a consequent movement of overall Centre of Gravity.
On capesize bulk carriers what problems are associated with welding of the corrugated bulkheads during construction?
Stress concentrations at the corners of the bulkheads
Cracking of cross-deck plating
A reduction in shear forces
Several areas of the bulkheads being 'out of tolerance'
What should be done if a vessel is trimmed outside the limits of its trim correction tables during a draught survey?
Bring the vessel to within the trim limits imposed by the tank sounding tables prior to carrying out the survey
Ask the attending surveyors to extrapolate the tables for the excessive trim
Bring the vessel to within the trim limits imposed by the tank sounding tables prior to taking tank soundings
Consult the classification society concerned
In the formula 0.9LBD (tonnes) for the amount of high density bulk cargo that can safely be loaded in a cargo hold, what is the value of ‘D’?
The summer load draught
The tropical load draught
Maximum depth of the cargo hold
Moulded depth of the cargo hold
You notice the sump level in an engine has increased and no new oil has been added. What action would you take?
Reduced the load, and look after fuel or water leak.
Stop the engine and look for a fuel or water leak.
Drain some oil from the engine.
Leave it the same.
Modern conventional reefer vessels are designed to carry containers on deck which are usually 40 foot units weighing more than 20 tonnes when stuffed (filled with cargo). For a vessel fitted with deck cranes having a SWL of 19 tonnes which of the options given is the most appropriate method of handling such containers?
Temporarily override the crane's cut outs when handling such containers.
Arrange for a floating crane to be alongside when handling the containers.
Arrange for a mobile crane to be available when handling the containers.
Use an equalising beam with two of the ship's cranes operating in tandem.
How should structural steel products be supported in a cargo hold?
Fore and aft dunnage spaced 3m apart provided in a vertically straight line at every tier
Athwartships dunnage spaced 1.5m apart provided in a vertically straight line at every tier
Athwartships dunnage spaced 3m apart provided in a vertically straight line at every tier
Fore and aft dunnage spaced 1.5m apart provided in a vertically straight line at every tier
What advice would a harbour pilot give the Master?
A harbour pilot would advise the Master to have the steering gear tested
A harbour pilot would advise the Master to single up to one line and back spring, fore and aft
A harbour pilot would advise the Master to request port control for permission to leave the berth
A harbour pilot would advise the Master to ensure that the crew is on stand-by
During pre-entry checks of an enclosed space onboard a liquefied gas carrier it is necessary to check the condition of the atmosphere. If the gas detection equipment to be used for the checks included a catalytic type combustible gas indicator, an absorption type toxic gas detector and a paramagnetic type oxygen analyser, which would be the preferred order for the checks?
Oxygen content followed by hydrocarbon gas content and then toxic gas content.
Toxic gas content followed by hydrocarbon gas content and then oxygen content
Hydrocarbon gas content followed by oxygen content and then toxic gas content.
Hydrocarbon gas content followed by toxic gas content and then oxygen content.
A cable carries a current of 1500A at 660 Volts and has a voltage drop along it's length of 30volts. Assuming the cable insulation is good enough to work at High Voltage, what would be the voltage drop when supplying the same amount of power at 6600 Volts.
0.3 Volts
300 Volts
3 Volts
30 Volts
The auxiliary boiler for the supply of low pressure heating steam has an automatic combustion control which operates on a two step control principle. The boiler fails to attempt to start up during a period of normal operation even though the steam pressure has fallen below the set point. What is the most likely cause of this fault?
The photocell for detecting flame on is dirty.
The pressure switch for the combustion air supply is faulty and remains open.
The pressure switch for low steam pressure is faulty and fails to close.
The electrical supply for the control system is isolated.
On a conventional reefer vessel the 'tween decks and lower hold are provided with scuppers leading into the hold bilges. The scuppers normally designed with a U-bend or non-return bend. Complete the following statement from the options given. "Prior to loading a cargo of hard frozen products the U-bend should be…
…filled with clean fresh water."
…filled with clean sea water."
left empty."
…filled with brine."
What is the requirement to membranes on Independent Tank Type "A"?
No barrier required.
Complete secondary barrier.
Only primary barrier required.
Partial secondary barrier.
Who is responsible for implementation of working environment work on board?
Government.
Master.
Shipping company.
Both master and shipping company.
Medium and high speed diesel engines used for electrical generation duties on board ship have overspeed protection devices fitted to protect the engine in case the electrical generator trips while carrying high loads. Why are these devices necessary?
To stop the engine before any serious damage occurs due to excess inertial loads.
To stop the engine before any serious damage occurs to the electrical components due to excess voltage and frequency.
To stop the engine before any serious damage occurs due to rapidly changing thermal loads.
To stop the engine before any serious damage occurs due to rapidly changing cylinder pressures.
When loading chemical cargoes in the United States, temperatures are often supplied in degrees Fahreheit. What does 60 degrees Fahreheit equate to on the Celsius scale?
37.8 degrees C.
0degrees C.
15.6 degrees C.
32.0 degrees C.
An attempt is made to remove a ball bearing from a pump shaft using a hydraulic cylinder type bearing puller. It is noticed that the puller legs are starting to bend but there is no sign of the bearing moving. What action should be taken?
With the hydraulic pressure still on the puller try and shock the bearing into moving by hitting the top of the hydraulic cylinder with a hammer.
Remove the puller and hammer the bearing off the shaft.
With the hydraulic pressure still on the puller try and shock the bearing into moving by hitting the bearing with a hammer and punch.
Remove the puller and try and warm up the bearing and cool down the shaft a little before trying the puller again.
To maintain good relationship among the crew on board a vessel, one must be:
Polite and diplomatic while talking to crew members
Give authority to others
Strict and authoritative while giving orders
Understanding, Co-operative, and have respect from both sides
When there is doubt about the freshness of the atmosphere in ro-ro cargo spaces, what action should be taken?
Supply filter masks to all crew working on ro-ro deck
Ro-ro decks are always ventilated in advance of an operation
Arrangements should be made for testing of the atmosphere to ensure maintenance of 21% oxygen and a carbon monoxide content below 50 ppm in the atmosphere of the space
Open both bow- and stern doors
What is understood by the term "Dew point" of the air?
The temperature at which condensation in the air forms into water droplets.
The temperature of the water vapour in a cloud.
The "Dew Point" is the point at the centre of an Anticyclone
All of the suggested answers
What is a Marine Evacuation System?
Helicopter evacuation
Assistance from other ships
Evacuation Chute(s)/Slide(s) and Liferafts
Liferafts supported by Fast Rescue Boats and Lifeboats
What is the characteristic of alkanes?
Alkanes has only a single bond between two atoms.
Alkanes has a triple bond between the atoms.
The name of alkanes always ends with “anes”.
Alkanes has only a single bond between the atoms.
How would a ship drifting onto a rocky shore, be communicated?
"My ship is drifting into danger"
"My ship requires tug assistance"
"My ship is not under command"
"My ship is drifting"
On a hold inspection of a Bulk Carrier it is noted that a number of transverse frame beam knees are slightly distorted; what is the significance of this?
The distorted areas should be painted
There are no concerns with this observation
This is an indication of excessive bending moment stress
This indicates the vessel is suffering racking stress and is potentially serious
In which cases shall side scuttles in passenger ships be so constructed that they cannot be opened without the consent of the master of the ship?
Where the height of the side scuttles go through more than two decks
Where the sills of the side scuttles are below the margin line
Where the sills of the side scuttles are less than 500 mm above the deepest load line
Where the sills are mounted below the bulkhead deck
During a pre-loading survey prior to loading grain on a Bulk Carrier, very small amount of the previous grain cargo is found in a cargo hold; what is the significance of this situation?
The cargo hold can be cleaned while other holds are loaded
The affected cargo hold should be left empty
The vessel may fail the pre-load survey and be declared off-hire
The remaining cargo from the previous voyage can be ignored
What is associated with carrying logs on General Cargo vessels?
Moisture absorption in the cargo holds
Increased levels of oxygen in the cargo holds
Spontaneous combustion
Oxygen depletion in the cargo holds
A delta connected 3-phase A.C. induction motor is running normally at its rated current of 150 A when a single phasing fault (open circuit) occurs in one line. The likely outcome will be:
Line currents: 0 A, 180 A, 180 A. Trip condition: trip on overload.
Line currents: 150 A,150 A,150 A. Trip condition: fuses blow on short circuit.
Line currents: 75 A, 75 A, 75 A. Trip condition: no trip but speed falls.
Line currents: 0 A, 150 A, 300 A. Trip condition: trip on overload.
On a Container vessel, to what would a fibreglass yacht be secured after lifting onboard?
The cradle
Flatrack
Yacht Bay
Pallet
What would be considered as an acceptable range for the p-alkalinity in a low pressure auxiliary boiler?
0- 100 ppm CaCO3.
300 - 600 ppm CaCO3.
600 - 1000 ppm CaCO3.
100 - 300 ppm CaCO3.
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.