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Maison Tests en ligne CES Chemical tanker Deck Support Test online CES 5.1 for Deck department, Support level, Chemical tanker vessel
Tests en ligne : Test online CES 5.1 for Deck department, Support level, Chemical tanker vessel
Test en ligne
Description
Le test consiste en des questions aléatoires sur un sujet sélectionné.
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On board they want to establish a telex connection by HF-set with the ship Apollogracht. In the guides you find for the Apollogracht the following ID’s:244320000, 424432010, 424432020, 1300210, 36715. What ID should be chosen:
424432020
36715
Don't know
The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge, and in a few minutes the pressure drops sharply. This could be a result of the :
ship's pump speeding up
booster pump being lined up in the wrong direction
booster pump failing to start
booster pump coming on the line and discharging properly
A fully laden tanker is in collision with another tanker causing them to interlock. What action/judgement should be considered by both vessels?
Take separation of the two vessels into immediate consideration, but consider that a separation may cause a fire and also create a larger oil spill
Shut down all watertight doors and shut off all ventilation.
Separate the two vessels immediately and move away from the other vessel
Reduce oil pollution by transferring cargo into empty/slack tank
In the situation illustrated, what should be the distribution of the power requirements from the tugs, if the ship is to be moved sideways without changing the heading? Both tugs have similar bollard pull and are of conventional propulsion.
Much greater power on the forward tug than on the after tug while monitoring the gyro heading
Equal power required by both tugs, but monitor the gyro heading to ensure sideward movement only
It would be very difficult to predict the power requirements in this circumstance and it could only be found by observation.
Much greater power on the aft tug than on the forward tug while monitoring the gyro heading.
What is most important when transferring route plans to other nav. systems?
Both systems use same chart datum
Both systems are made by the same manufacturer
Both systems are approved by the classification society
Both systems work according to specification
In accordance with GMDSS rules, the frequency 2187.5 kHz is used for:
On scene communication
Distress traffic
Routine message
Distress alerting
Which of the following requirements regarding life-buoys do NOT correspond to present regulations? (SOLAS III/7.1)
Not less than half the total number of lifebuoys shall be provided with self-igniting lights
All life-buoys shall be placed in holders with quick-release arrangement
at least one life-buoy on each side of the ship shall be fitted with a buoyant lifeline
At least one lifebouy shall be placed within the vicinity of the stern
The fire control draft on board is called the safety plan and shall be posted onboard. In port, a copy of this plan shall in addition be available from somewhere else. Where must this copy be available?
In the engine control room.
At the gangway.
On the terminal.
Handed over to the surveyors.
Which of this information must be included in a piracy attack alert?
The type of weapons being carried by the pirates/highjackers.
The number of pirates/highjackers.
The number of crew onboard.
Your ship’s name and call sign.
Why do we use stabilisers on passenger ships?
To decrease the rolling angle of the vessel
To adjust the trim of the vessel
To increase the intact stability
To decrease the dynamic stability
Which electronic component is this graphical symbol illustrating:
Temperature sensor
Capacitor
Resistance
Transformer
The typical current gain of a common emitter transistor is
10-200
500-5000
1-1000
1-10
A moderate level of stress provides which useful function in an emergency?
To slow down the thought processes to ensure a thorough assessment of the threat
To slow down the heart rate to conserve energy
To immobilize the individual until he has decided upon the best course of action
To prepare for peak performance that will improve the chances of survival
On the figure there are four (4) possible definitions of the term "QUAY" given. Which one is the correct one?
Quay is given by D on the figure
Quay is given by A on the figure
Quay is given by C on the figure
Quay is given by B on the figure
At what number of crew members is it mandatory to have an Working Environment Committee on board?
Minimum four crew members.
Not mandatory.
Minimum eight crew members.
Minimum twelve crew members.
Commonly available on board an oil tanker, what is the industry standard Guide that describes best safety practise for tanker and terminal operations?
SOLAS 1974
STCW '95
The ISGOTT Guide
MARPOL 73/78
What is the main purpose of the reliquefaction plant fitted to many liquefied gas carriers?
It is used to change the cargo vapour back to liquid keep the cargo cooled.
It is used to discharge the cargo when the cargo pumps don't work.
It is used to cool down the cargo tanks before loading.
It is used to change the liquid cargo to vapour to heat the cargo if it is too cold.
What is the main information we get from a Mollier diagram?
We get information about enthalpy, specific volume of vapour, liquid/vapour mixture, temperature of vapour when pressure is known and pressure in the cargo tank when liquid temperature is know.
We get information about enthalpy, specific volume of vapour, liquid/vapour mixture, temperature of vapour when pressure is known.
We get information about enthalpy, specific volume of the liquid and latent heat.
We get information about specific volume of vapour, liquid/vapour mixture, temperature.
Why is it important for hatch coaming compression bars to be maintained in good order?
So that hatch covers remain water tight
So that water can drain out from the hatch coaming drains
So that there is no steel contact between the hatch covers and hatch coaming
So that hatches can be properly sealed
To evaluate the condition of a heat exchanger the following measurements should be recorded:
Pressure drop
In and outlet temperatures, and flow rates for both media
In and outlet temperatures for both media
In and outlet temperatures on one media
Why should passenger ships be subdivided into main vertical zones?
To comply with company specific standards defined in the Safety Management System
To comply with passenger safety, cargo safety and hull integrity training defined in the STCW convention
To comply with specific provisions for fire integrity defined in SOLAS and to ensure safety of passengers and crew in case of a fire
To comply with specific provisions for fire integrity defined by the Classification Society
Why does the Chief Mate have to reorder the cargo plan?
The wheels of hatchcover No. 7 came out off their tracks
Hatchcover No. 7 cannot be opened due to a defect in the hydraulic pump
Hold No. 7 is already loaded by the company ashore
The cadet disappeared with the cargo plan
If the general alarm is sounding and evacuation of the ship is required. What is the best way to ensure that all passengers are aware of the situation?
Use Public Address system to inform the passengers. Inform all passengers to report to designated area for head count.
Crew with designated emergency duties should proceed to the muster station to count all passengers in his section. If somebody is missing, report to their superior.
Inform the passengers through Public Address system. Crew with designated emergency duties should proceed to their cabin section and search all cabins. Guide and evacuate passengers. If the area is inaccessible report to their superior or the bridge.
Alarm signal and Public Address system will be effectively, including head count at muster point.
Which statement is true about loading lifeboats?
Passengers with physical disabilities should go on life rafts.
Passengers with physical disabilities should go on lifeboats.
Only passengers with physical disabilities should go on lifeboats.
Passengers with physical disabilities are loaded from a floating platform.
Why should a container with a damaged corner post not be loaded?
Because during discharge the ship could be held responsible for the damage
Because its strength is weakened
Because it will not fit properly into a container stack
Because the cargo inside might be damaged
What is the normally accepted maximum allowable filling limit for the cargo tanks on an LNG carrier?
100%.
90%.
95%.
98%.
PT-100 sensors are some times used with 3 or even 4 wires. What is the reason for this?
Because of power-consumption.
Higher mechanically strength of the cable.
For fault indication.
Higher measuring accuracy.
Which publication sets out the forces that cause cargo shifting on a General Cargo Vessel?
The Code of Safe Practice for Solid Bulk Cargoes (BC Code)
The Cargo Securing Manual (CSM)
The ship's stability manual
The Cargo Stowage and Security (CSS) Code
In the figure, which letter indicates what is known as "mooring bits"?
The mooring bits are indicated by B, in the figure
The mooring bits are indicated by C, in the figure
The mooring bits are indicated by D, in the figure
The mooring bits are indicated by A, in the figure
This block diagram illustrates an elementary control system. What is the common name for this type of system?
Open loop feed back system
Scmitt trigger
Closed loop feed back system
Feed forward system
Which of the following could cause a “flareback”
opening air registers too quickly
trying to ignite burner from hot brickwork
oil pressure too high
oil temperature too high
The thermal conductance capability is expressed by a materials thermal conductance number and states the heat quantity. What is the denomination for heat quantity?
Enthalpy.
Joule.
Calorific value.
Watt.
Why shall you never pour water into hot fat?
The fat will stiffen immediately and need reheating.
The water will explode into steam causing hot fat to be thrown far away thus possibly causing severe burns or fire.
The water will turn into steam and cause the fat to explode.
The fat will not be edible any more.
What action should be taken by the Officer of the Watch in the event of fire being reported to the bridge during the 00.00 to 04.00 watch?
Send the bridge look-out down to investigate
Sound the Fire Alarm
Stop engines and inform the engine room
Call the Master
What are the limitations of Cargo Securing Manuals?
They are developed whilst ships are still under construction and may therefore be unsuitable under certain operational conditions
They are not always approved by a classification society
Some Cargo Securing Manuals cover a full range of sister ships
Cargo securing arrangements in the manuals may be unsuitable for heavy weather conditions
What are the duties of engine room ratings forming part of an engine room watch?
To note all machinery not functioning properly.
To clean and maintain dirty equipment.
To assist in the efficient and safe watchkeeping.
To verify the current operational parameters.
What will you do when all the fresh water in the survival craft is finished or about to finish?
Use sea water to keep your body wet
Start collecting rain water
Drink Sea water
Drink only 1 liter of sea water per day
Before commencing loading an oil cargo, the cargo tanks are surveyed. How do we refer to any small amount of liquid, sludge and sediment found in the cargo tanks and assessed for the purposes of including in the calculation of cargo quantity loaded?
ROB (Remaining On Board).
OPB (Observed Preliminary Volume).
TSV (Total Surveyed Volume).
OBQ (On Board Quantity).
What are flexitanks used for?
The carriage of liquid cargoes of a particular specific gravity
The carriage of liquid cargoes that do not have a Proper Shipping Name
The carriage of hazardous liquids, in bulk
The carriage of non-hazardous liquids, in bulk
What must be ensured prior to loading heavy lift cargoes on a General Cargo Vessel?
That all double-bottom tanks are empty
That the vessel is listed to the side to which the load is to be lifted
That the vessel has a small metacentric height( GM)
That there are minimum free surface moments in tanks
A 2 term controller is used to control the fuel oil temperature for a thermal oil system used for heating services. The control is very unstable with the measured value hunting constantly. Select the most probable cause of this problem from the options given.
Integral action reset time is set too slow.
Proportional band width is set too wide.
Proportional band width is set too narrow.
Integral action reset time is set too fast.
Only search vehicle compartments where you suspect objects may be hidden.
TRUE
.
FALSE
When one ship is unmooring from another which is at anchor, the unmooring crew should be instructed to cast off lines:
As and when they think fit.
As and when the vessel remaining at anchor instructs them to do so.
As and when the manoeuvring vessel instructs them to do so.
As and when strain appears on individual ropes.
What kind of information do we get from a Mollier diagram?
We get information about enthalpy, specific volume of liquid, liquid/ vapour mixture, temperature of vapour when pressure is known, pressure in cargo tank when the liquid temperature is known etc.
We get information about enthalpy, liquid/ vapour mixture, temperature of vapour when pressure is known etc.
We get information about enthalpy, specific volume of vapour, liquid/ vapour mixture, temperature of vapour when pressure is known etc.
What type of bomb search should you conduct to avoid panic when the credibility of the threat is in doubt and you don’t want to disrupt ship business?
Nominated officers search
External search team
Known hiding spot search
Crew search
In oil cargo quantity calculations, a specific figure derived from historical analysis of discrepancies between ship and shore figures is often considered when the master is comparing a load total against that shown on the Bill of Lading for the current operation. How is this figure referred to?
Vessel Discrepancy Index.
Vessel Experience Factor.
Ship's Calculation Reference Factor.
Intermediate Comparison Figure.
After communication plugs are connected, the ESD is tested from?
No testing required.
Shore.
Ship and shore.
Ship.
In describing oil cargoes, what is "sour crude"?
A crude oil from West Africa
A petroleum product which reacts with water during tank-washing, leading to a distinctive odour about the tank deck
A crude oil cargo which has left substantial residues in the bottom of the tank after discharge
A term used to describe crude oil or products containing appreciable amounts of hydrogen sulphide and / or mercaptans
What is important to keep in mind about U-profiles that are used on pipes supports?
They should only allow movement on the lateral axis.
They must not be fastened against the pipe.
They must be made of flexible material to protect against stress.
That they should be fastened tightly around the pipe.
The compass binnacle on the ship has various specific functions, which of the following answers reflect its most important functions.
Provides a non-magnetic housing for the compass
All of the answers provided
Houses the soft iron correctors
Houses the corrective magnets
During routine checking of alarm functions of main and auxiliary equipment, some setpoints are canceled due to a mistake. What is the appropriate routine to ensure correct setpoints are set?
Ask your colleague if he remembers the correct setpoint
Check from previous records for correct values
Consult with the instruction manual for the equipment in question for correct values.
Select a setpoint based on present condition allowing for a reasonable safety margin.
You have made a turning circle at full speed in deep water. You are now going to make one with initial speed, slow ahead. Do you think the diameter will differ from that of initial full ahead?
Yes, it will be much smaller with slow ahead
Yes, there will be a large difference in the turning diameter between full and slow ahead
Yes, it will be much greater with slow ahead
The diameter will be the same whatever initial speed we have when starting the turn
You are in charge of discharging and crude oil washing. What is the maximum allowed oxygen level measured in the middle of the ullage space in a tank during crude oil washing? (IMO Reg)
10%
8%
3%
5%
Where should a mid-bay guide be positioned?
At the base of cell guides
On the tank top between two 20’ container bays
Between 20’ container bays on deck
On the tank top at the ends of 40’ container bays
When talking about the properties of an oil cargo, what does "flammable" mean?
When it catches fire, flames may be seen, as well as smoke.
That it does not need an external ignition source to cause it to burn. It will do so by itself.
That it is not capable of burning.
That it is capable of being ignited and of burning.
Too low exhaust temperature in one cylinder becomes because of:
Injection valve opening pressure is too low.
Charge air pressure is too high.
Injection valve opening pressure is too high.
Any of the others.
In a diesel engine lubrication system the circulating pump pump normally takes suction from the oil sump tank. Where does the oil pass to directly after the pump?
Main thrust bearing.
Lube oil cooler.
The engine bearings.
The lub oil purifier.
Which of these measures would you implement to prevent drugs from being smuggled onboard your ship while it’s berthed?
"Search some of the packages, spares and stores received."
Maintain restricted areas.
Check a portion of the bags and packages brought onboard.
Eliminate fore and aft deck watch at night.
Which of these statements is incorrect with regard to the loading of bagged fishmeal?
The antioxidant should not be less than 650ppm
The fat content should be less than 15%
The antioxidant should not be less than 100ppm
The moisture content should be between 6 and 12%
What is the minimum information to be given on a dangerous goods declaration on a General Cargo Vessel?
IMO Class, weight, cargo brand name, stowage requirement
Gross and net weight, volume of cargo, proper shipping name
IMO Class, UN Number, Gross weight, number of units of cargo, Proper Shipping Name
UN Number, Volume of units, stowage requirements, weight, centre of gravity
As per SOLAS a fast rescue boats shall be capable of:
Manoeuvring for at least 8 hrs at a speed of 10 knots
Manoeuvring for at least 4 hrs at a speed of 20 knots in calm water
Manoeuvring for at least 4 hrs at a speed of 8 knots
Manoeuvring for at least 4 hrs at a speed of 4 knots
When will the Longitudinal Bending Moments caused by the cargo distribution need to be taken into account on an oil tanker?
Only during loading and discharging cargo
During loading, discharging and on loaded passage
Only when on passage in heavy seas and when the vessel is pitching
All the time
A positive displacement type flow meter is defective and cannot be repaired. It is to be replaced with a new instrument which uses a Venturi type sensor. Which of the pneumatic relays given in the options will be required in order for this type of instrument to function correctly?
Multiplier relay.
Summation relay.
Square root extractor relay.
Subtraction relay.
Which kind of secondary barrier, if any, is required for an LNG carrier fitted with membrane type cargo tanks?
No secondary barrier required.
Partial secondary barrier.
Complete secondary barrier not formed by the hull.
Complete secondary barrier formed by the hull.
When securing a non-standardized portable tank what is a favourable securing angle that will prevent it from transverse sliding?
30 to 35 degrees
10 to 15 degrees
18 to 25 degrees
5 to 10 degrees
During replacement of the diesel engine cylinder cover following maintenance some manufacturers recommend that different torques are applied to some of the cylinder cover stud nuts. Select the option which is most likely to be the reason for this?
Temperature variations across the cylinder cover result in uneven thermal loads on the studs.
Pressure variations in the cylinder result in uneven mechanical loads on the cylinder cover studs.
The cylinder cover stud nuts that are most awkward to get at are always tightened more in case they become loose during engine operation.
The last of the cylinder cover stud nuts need to be tightened more to even out the load on the cylinder cover gasket.
On a container vessel what action should be taken if a tank container of liquid ammonia is engulfed in fire
Dry chemical must not be used to extinguish the fire
Restrict ventilation
Allow ventilation
Water must not be used to cool the container
What is the maximum length of a fire zone on any deck?
50 meters
100 meters
40 meters
30 meters
Why is the cargo boil-off vapour on conventional LNG carriers not normally condensed and returned to the cargo tanks?
The amount boil-off is very low due to good insulation so its not worth the effort.
Since the cargo always has a low pressure and temperature there is no need for cooling.
The cargo temperature is normally too low to be cooled with conventional cooling plants.
Because of the high energy consumption needed to condense and recover the boil off.
What is the most important consideration when planning the lashing system for a particular sea route on a General Cargo Vessel?
Encountering heavy weather
Transverse accelerations
The breaking strength of lashing materials
The size and weight of general cargo items to be loaded
What advantages do you see by conducting passenger muster’s. Drill’s are mandatory for international voyage’s.
The passengers get to know the way around the ship.
The Passengers get familiar with lifejacket and location of muster station
Giving the company a good image for the public, and the crew get training.
The passengers get familiar with emergency procedures, life jackets, musterstation. And the crew get training in growd handling.
If a cargo has a litreweight 0f 1.5200 kg/l at 15 degrees Celsius and a correction factor of 0.001 per degree, what will the litreweight be at a temperature of 20 degrees Celsius?
1.5250 kg/l
1.5195 kg/l
1.5150 kg/l
1.4700 kg/l
What English name is given to a kind of heavy-duty, wide-bladed knife, used for dividing joints of meat or poultry and which is much favoured by cooks of far-eastern nationalities for a wider range of cutting tasks?
Cleaner.
Cleater.
Clever.
Cleaver.
When will a hatch pontoon’s side cleat need replacement?
When the cleat retainer is rusty
When the rubber washer is compressed and hardened
When the cleat retainer is distorted
When the cleat has sprung open at sea
What is the main reason that passenger baggage creates problems for crowd control?
If passengers are already in muster stations, you will have to allow them to return to cabins to retrieve baggage.
Muster stations are crowded, and passenger baggage takes up space.
There isn't room in the life rafts, and crewmembers will have to tell passengers to leave baggage behind.
Passenger baggage clutters escape routes, and embarkation stations, and slows down an evacuation.
A conventional reefer vessel is to load frozen beef in cartons and also frozen carcass lamb. The vessel has four decks - A being the upper 'tween deck and D being the lowest deck. From the options given select the one that gives the cargo distribution that would result in the largest GM.
Fill decks A and B with frozen beef and decks C and D with frozen carcass lamb.
Fill decks A and C with frozen carcass lamb and decks B and D with frozen beef.
Fill decks A and C with frozen beef and decks B and D with frozen carcass lamb.
Fill decks A and B with frozen carcass lamb and decks C and D with frozen beef.
Which would be the most suitable point in the system to obtain a representative of diesel engine lubricating oil for analysis?
From the lubricating system pipeline on the discharge side of the circulating pump.
From the lubricating oil filter drain.
From the lubricating oil cooler drain.
From the lubricating oil purifier outlet.
How should dunnage be laid, prior to loading a Caterpillar Tractor?
Only at the extreme ends of the tractor’s wheels
Athwartship under the tractor’s wheels
Athwartship at the ends of the tractor’s wheels
Fore and aft under the tractor’s wheels
The ship is en route. When may passengers visit the bridge?
Whenever they want
When the weather is nice and the sea is calm
During daytime if the traffic is smooth
Passengers are not allowed to visit the bridge while the ship is en route
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
What is likely to happen if a randomly hose is used for gas measurement?
The hose will most likely absorb hydrocarbon gases.
Nothing in particular.
The hose won't fit the indicator inlet ports.
The indicator will malfunction.
What is the meaning of the abbreviation PCB
Positive Colour Board
Printed Circuit Board
Power Control Bridge
Positive Current Biased
What is the estimated average daily calorie intake required by an active adult male?
650
4400
2900
7500
Why must inert gas from a combustion-type generator never be used when preparing cargo tanks for ammonia?
Because of the high oxygen content in inert gas.
Because ammonia reacts with the carbon dioxide in inert gas.
Because of the high water content in inert gas.
Because of the high temperature in inert gas.
On the figure 4 possible definitions of the term "BUOY LINE" are given. Which one is the correct one?
Buoy line is given by B on the figure
Buoy line is given by D on the figure
Buoy line is given by C on the figure
Buoy line is given by A on the figure
On the figure 4 possible definitions of the term "DRAUGHT" are given. Which one is the correct one?
Draught is given by C on the figure
Draught is given by A on the figure
Draught is given by D on the figure
Draught is given by B on the figure
How should you, as helmsman, give feedback to the OOW (officer on watch) that his orders are understood?
You don’t have to give any feedback
By saying: “Yes Sir”
By saying: “OK”
By repeating the order
What is a contingency plan for ships?
Plan for safety preparedness
Loading plan for general cargo
Plan for next voyage
Plan for maintenance and repair
What will you bring in a lifeboat if the ship is abondoned?
Warm clothes, blankets and lifevests.
All pets that will most likely not be able to enter the boat by themselves.
All valuables like money, jewelry etc.
As much biscuit and canned food as possible.
The passage of electrical current through the body may result in severe and sometimes fatal injuries. You are witness to man getting electric current through his body and is stuck to the dangerous area. It is impossible to switch off the current by any main switch. How to break the current safely?
Call the electrician immediately.
Apply fish oil on your hands and cut the cords by the use of any metallic pliers.
Stand on dry insulating material and pull the person away with isulating material.
Just take the causalty in your arms and pull the person away.
Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.