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Online-Test: Test online CES 5.1 for Engine department, Support level
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Oily rags and metal turnings
are not a fire hazard at all
are not a fire hazard unless ignited
are a fire hazard because they generate their own oxygen when ignited and are therefore difficult to extinguish
are a fire hazard because they are liable to spontaneous combustion
Which deck is the "bulkhead deck"?
A deck between two transverse bulkheads
A deck which transverse bulkheads go through
The uppermost deck to which transverse bulkheads are carried
The deck on which the transverse bulkheads are resting
MMSI is short form of:
Maritime Mobile Service Identity
Mobile Maritime Safety Information
Merchant Mariners Signal Identity
Merchant Marine Ship identity
Why is line blowing/pigging from shore a very critical operation ?
Because the cargo hose/loading arm may burst.
Because the pig may be able to get on board.
Because serious structural damage and overflow can be caused by the creation of pressure in the shore tanks during this operations.
Because serious structural damage and overflow can be caused by the creation of pressure in the tanks during this operations.
The tug has been released and is all clear. As officer in charge of that operation, should this be reported and to whom?
No need for reporting as the order was given from the bridge
Report all clear to the tug
Reported all clear to the Bridge
Report all clear to the Engine Room
The rudder is hard over when steaming at full ahead in shallow water. How much "lift force" remains when the engine is stopped?
About 10 %
About 50 %
There will be lift force remaining
About 80 %
Who is responsible for the voyage plan?
The Master
The person who has done the planning
The owner
The navigation officer
What transmitting equipment as a rule is not allowed for us in territorial waters:
Inmarsat-C transmitters
Inmarsat-A transmitters
Don't know
MF-transmitters
On the figure 4 possible definitions of the term "FORWARD BREAST LINE" are given. Which one is the correct one?
Forward breast line is given by B on the figure
Forward breast line is given by A on the figure
Forward breast line is given by C on the figure
Forward breast line is given by D on the figure
When will a hatch cover cross-joint wedge need replacement?
When the flat spring is bent
When the wedge is rusty
When the flat spring is missing
When the flat spring is rusty
The abbreviation "NPSH" is often seen in connection with the efficiency of cargo pumps on oil tankers. What does this abbreviation stand for?
Necessary Pumping Suction Hazard.
Natural Pumping Standard Height.
Nominal Pressure Suction Head.
Net Pressure Suction Head.
What is the normal thickness of the primary barrier (membrane) on membrane containment type systems?
0.7 - 1.5 mm
1.5 - 2.0 mm
2.0 - 2.5 mm
0.2 - 0.5 mm
What is understood by the term "take the helm"?
Change the place where the lookout is standing.
Take over heaving of a rope.
Take over the steering of the ship.
Take a message to another officer.
Which of the following parameters will result in oscillation
Too short D-time
Too high amplification
Temperature change
Too long I-time
You are alongisde to load a cargo of Triethylamine. It will be supplied from shore using an 8-inch flexible hose. When securing this to the ship's manifold (header), how should the connection be made?
With a bolt in every hole in the flange, securely and evenly tightened.
With a bolt in alternate holes, securely and evenly tightened.
With a bolt in alternate holes, securely and evenly tightened, or a minimum of two G-clamps, fitted diagonally across from each other and fully tightened.
Cargo hoses should no longer be connected directly to ship's manifolds for the loading of dangerous chemicals.
The data logger on a reefer vessel normally records temperatures for air delivery, air return and cargo pulp. How would the air delivery and return temperatures be expected to vary during the first few days of carrying a cargo of citrus fruit which had not been pre-cooled before loading?
The difference between the two temperatures would steadily increase.
The difference between the two temperatures would remain constant.
The two temperatures would remain constant
The difference between the two temperatures would steadily reduce.
What is the purpose of a "part flow display system" installed on some oil tankers ?
The Part Flow System makes it possible to observe the discharge visually for oil content, even in darkness
The Part Flow System makes it possible to discharge dirty ballast below the water line on older tankers
The Part Flow System makes it possible to measure the oil content, even if the Oil Discharge Monitoring Equipment is not working
The Part Flow System makes it possible to observe the discharge visually for oil content, on older tankers with discharge below the waterline
What are cowl ventilator trunks prone to?
Infestation
All
Leakage
Corrosion
Why do we use oil free compressors on the cargo side in a cargo cooling plant?
We use oil free compressors in the cargo side to avoid oil spill into the cargo.
We use oil free compressors in the cargo side because they have less RPM than the oil lubricated compressors.
We do not use oil free compressors in the cargo side because the compressors need to be lubricated.
We use oil free compressors in the cargo side because the cargo is cold and to cool down the compressor.
What do you think would be the most likely cause of too low suction pressure in a freon compressor?
Broken suction valve plate.
Too little gas in the system.
Blocked condenser tubes.
Blocked condenser.
Where do ships encounter pirates?
Ships encounter pirates off the Indian coastline
Ships encounter pirates off West Africa
Ships encounter pirates in the North Pacific ocean
Ships encounter pirates in the South Atlantic ocean
When discharging dirty ballast from an oil tanker at a high flow rate with main cargo pumps, the limiting factor on permitted overboard discharge is the instantaneous rate of discharge of oil. Which of the following formulae is used to calculate this rate?
Instantaneous rate of discharge (l/nm) = oil content (ppm) x flow rate (m3/h) / speed (knots) x 1,000
Instantaneous rate of discharge (l/nm) = oil content (ppm) x 1,000 / flow rate (l/h) x speed (knots)
Instantaneous rate of discharge (l/h) = oil content (ppm) x flow rate (l/h) / speed (knots) x 10,000
Instantaneous rate of discharge (ml/nm) = oil content (ml/nm) x flow rate (l/m) / speed (knots) x 100
You are testing the atmosphere in a cargo tank on an oil tanker, for the purpose of approving it as safe it for crew members to enter at the end of tank cleaning operations. According to the industry standard guidelines (ISGOTT), what measurements must be obtained before this permission is granted?
8% oxygen by volume and 0% hydrocarbon vapour concentration
21% oxygen by volume and less than 1% LFL hydrocarbon vapour concentration.
Minimum 17% oxygen by volume and not more than 1% LFL hydrocarbon vapour concentration.
21% oxygen by volume and less than 1% UFL hydrocarbon vapour concentration.
The temperature of a refrigerated cargo is controlled by the temperature of the air being blown through the cargo hold which is often referred to as the DAT. What does the term DAT stand for?
Deviation Air Temperature.
Digital Air Temperature.
Delivered Atmosphere Temperature.
Delivery Air Temperature.
In relation to exhaust gas measurement with a thermocouple, use of an amplifier which gives a mA-signal out is preferred. Why is this done?
This depends on the length of the compensation-cable.
The output signal from a thermocouple is at mV level,and can not be transferred over any long distance without loss of signal, giving a poor accuracy and poor noise immunity.
The signal out from the thermocouple is also mA, but have to be amplified in order to give a good signal to the alarm system.
To stabilize the signal andmake it easier to measure at the receiver.
What is the most important treatment concerning a foreign body in the eye?
Wring the eye-lid to prevent blinking
Local anaesthetic
Rinsing of the eye with water
Keep the eye closed
How would pirates attacking a ship be communicated to another ship?
"My ship is under attack by pirates"
"My ship was under attack by pirates"
"My ship has pirates"
"My ship will be under attack by pirates"
Why do rolled joints of meat carry a higher risk of bacterial infection?
Because rolled joints are normally purchased already prepared and the quality control of a shore supplier can not be guaranteed.
Because meat of a poorer quality is generally used in rolled joints.
Because any bacteria that were present on the outside surface of the meat will be transferred to the inside when the joint is rolled.
Because the temperature necessary to kill bacteria can never be reached in the middle of a rolled joint.
What is the expected state of the refrigerant immediately before the expansion valve in a vapour - compression refrigeration system?
Vapour at high pressure.
Liquid at low pressure.
Liquid at high pressure.
Vapour at low pressure.
An engine room rating is given the task of retightening the flanges of a pipe that has been replaced in the engine room. Which of the following tightening procedures should be followed?
Start with the bottom bolt and partially tighten each bolt in turn working counter-clockwise around the flange. Repeat to fully tighten.
Fully tighten each bolt in turn and work diagonally across and around the flanges.
Gradually tighten all of the bolts working diagonally across and around the flange.
Start with the top bolt and fully tighten each in turn moving clockwise around the flange.
Why is it important to slow down the main engine RPM while water-washing the turbocharger?
To protect the bearings
To protect the blower side
Not to damage the rotor blades
To protect the exhaustgas economizer.
A 450 volt, 859 kW rated generator has not been in operation for several weeks. Prior to starting, insulation resistance readings are taken. The minimum acceptable insulation resistance reading on the main stator winding to allow you to proceed with running the generator is:
10 Ohms
10 000 Ohms
10 000 000 Ohms
1000 Ohms
Where is the normal position of the "Pivot Point" of a vessel when going astern?
Amidships
1/3 of the vessel's length from the bow
Between 1/4 of the ship's length from the stern and the rudder post
Between amidships and 1/4 of the vessel's length from the bow
Your ship has its main entry door from the maindeck on the starboard side, a few metres back from the front of the accommodation. It is also the closest emergency exit from the ship's offices and the crew mess-room in the event of an emergency. You are about to commence loading cargo. There are no significant security concerns. What should happen to the door?
It can be open, provided the wind is blowing away from the accommodation.
It should be closed and locked.
It should be closed, but not locked.
It should be open in case an emergency occurs.
Which one of the following international regulations is normally used when handling dangerous goods?
IMDG code
HB code
KLMNG code
SOLAS code
Why is an inertgas system required when COW is undertaken?
Safety purpose?
Improved outturn of cargo?
Less bildup of sediment in tanks?
Higher pumping flowrate?
What claims could arise against the vessel at the discharge port for steel reinforcing rods loaded in open-top containers?
Container damages
Physical damages to the cargo
Cargo shortage
Cargo staining by rust, hydraulic oil or grease
According to the ISGOTT definition, what is "volatility"?
The tendency of a crude oil or petroleum product to produce gas.
The ability of a crude oil or petroleum product to resist ignition.
The measure of a crudre oil or petroleum product's vapour pressure.
The tendency of a crude oil or petroleum product to ignite.
On the figure 4 possible definitions of the term "AHEAD" are given. Which one is the correct one?
Ahead is given by C on the figure
Ahead is given by B on the figure
Ahead is given by A on the figure
Ahead is given by D on the figure
When working in areas which requires the use of a ladder, should you:
Use a safety belt/harness and secure it to a fixed piece of equipment/ship-s structure.
All of the listed alternatives.
Secure the ladder top and bottom.
Have a person standing by at the scene/bottom of ladder.
What causes cargo sweat on a Bulk Carrier?
Cold and moist air introduced into a warm cargo hold
Warm, dry air being introduced into the cargo hold
Warm air introduced into a cargo hold
Warm and moist air introduced into a cooler cargo hold
When loading stores in a tropical harbour on sunny days, which of the following categories of provisions would you arrange to get out of the sun as soon as possible?
Fruit and vegetables
Dairy items
Bottled goods
Tinned goods
How is overfilling of the cargo tanks on a liquefied gas carrier prevented?
The tank filling valves are automatically closed if the tank overfill sensor is actuated.
Each tank has a high level alarm. This will warn the Deck Officer to shut the tank filling valve.
There is a permanently open overflow line to a slop tank from each cargo tank.
The filling valves for all empty tanks are automatically opened if any individual tank's overfill sensor is actuated.
In an inert gas system audible and visible alarms shall be provided to indicate faulty conditions in the installation. Which of the following conditions do not activate the alarms? (SOLAS II-2/62.19.1)
High air pressure in water seal
High water level in the flue gas scrubber
High gas pressure
High gas temperature
From the options given, select the main reason why conventional mercury thermometers should not be used for taking pulp readings of a fruit cargo on a reefer vessel.
This type of thermometer is not sufficiently accurate.
This type of thermometer is difficult to calibrate.
This type of thermometer is not sufficiently portable.
The mercury may contaminate the fruit if the thermometer is broken while taking the readings.
Who is responsible for supervising stevedores during cargo operations?
The master
The duty officer
The chief officer
The stevedoring foreman
Why is it important to check the ullages of the cargo tanks and sound double-bottom tanks at regular and frequent intervals during an oil tanker's loaded passage?
Such a procedure will indicate if there are any internal or hull leakages
Such a procedure will indicate if there is a build-up of pressure and the failure of any part of the venting system.
Because it is a requirement and the vessel can demonstrate complaince during an audit.
Such a procedure will confirm the correct function of the cargo calculator by referencing volume against temperature.
What does heaving result in?
Shearing of container twistlocks
Vertical accelerations acting along container corner posts
Tipping of containers
Longitudinal accelerations acting on hatch pontoons
Why are a greater number of lashings required to secure cargo forward on deck compared with amidships under deck of a General Cargo Vessel?
Because the dynamic stresses on the lashing are much greater
Because the roll period is greater forward
Because heavier cargo is stowed forward
Because the dynamic stresses on the lashing are much less
What should you keep in mind when releasing lashings?
Step aside when lashings are released
Close your eyes
Release lashings with great care to reduce the risk of injury when tension is released
Always use one hand!
Which of the tools given in the options is the best one to select for cutting a new external thread on the end of a steel pipe?
Die nut.
Thread chaser.
Tap.
Split dies.
Why do we use stabilisers on passenger ships?
To adjust the trim of the vessel
To decrease the rolling angle of the vessel
To increase the intact stability
To decrease the dynamic stability
You are alongisde, port side to, about to commence loading several grades of chemicals. The Duty Officer instructs you over the walkie-talkie to proceed to the port manifold and open the valve to 4 port line. When you get there, there is no hose connected to that line. What will you do?
Take a look at the starboard manifold. There is a hose loop between 4 port and 4 starboard lines. Assume the Duty officer must have meant this side and open 4 port line on this manifold.
Open the valve to 4 port line as instructed.
Although there is no hose connected to 4 port line, there is one connected to 3 port line. Assume the Duty Officer must have meant this line and open this valve instead.
Report the situation back to the Duty Officer. Request clarification and confirmation of the instruction.
What arrangement may be installed in passenger ships to reduce unsymmetrical flooding in damaged condition?
Self acting ballast trimming arrangement
Cross flooding arrangement
Separate trim tanks
Ballast trimming system
During inspection of the 'tween deck space of a reefer vessel it is observed that there is a gas tight seal fitted to the lids at the floor of the space. Which of the assumptions given in the options can be correctly made about the 'tween deck space, based on this observation?
It is separate from the space above.
It is separate from the space below.
It is common with the space below.
It is common with all spaces in the hatch.
The pressure delivered by a gear type fuel oil transfer pump suddenly reduces from 5 bar to 4 bar during transfer. From the options given, select the most likely cause of this occurrence.
The oil tank from which the oil is being transferred is empty.
The pump drive has sheared.
The pump gears and casing have become worn.
Part of the pump relief/recirculation valve spring has broken off allowing the valve to open further.
The superstructure and deck houses of passenger ships carrying more than 36 passengers shall be divided into main vertical zones by
Class "C" division
Class "A" division
Class "B" division
Class "P" division
Which of the following pump types could be damaged if the discharge valve is closed before the motor is stopped?
Turbine pump
Gear pump
Propeller pump
Centrifugal pump
What dangers are associated with the carriage of empty tank containers?
They may not declared as being empty when in fact they are not
They could easily collapse due to being empty
They may contain flammable cargo residue
They could explode if their vents are closed
What name is given to the technique of combining a light mixture with a heavier one, without beating or stirring, but lifting gently from underneath with a spatula or spoon, in an "over and over" circular motion?
Threshing.
Folding.
Firming.
Turning.
In which locations will Ro-Ro units be stained when a vessel is at sea?
Units stowed on ramp slopes
Units stowed near watertight doors
Units stowed in way of fan duct exits
Units stowed near gas tight doors
What is the main difference between a THERMOSTAT and a TEMPERATURE TRANSMITTER, if any?
There is no difference.
The temperature transmitter is a digital component while the thermostat is an analogue component.
The thermostat has one or more contacts (open or closed) depending on the temperature/setting. The temperature transmitter converts a temperature signal to an electric signal.
The thermostat gives out an analogue signal depending on the switch setting. The temperature transmitter gives out a binary signal depending on the temperature.
In a low pressure auxiliary boiler, if after testing the water, You found the P. alkalinity to be 50 PPM CaCO3, what action would You take?
Increase dosage.
Blow down the boiler and reduce dosage.
Do nothing.
Reduce dosage.
One of the purposes to MARPOL Annex I is to:
Ensure that the ships certificates are valid.
The tanker is en-route and meets certain discharging conditions.
Prevent operational oil pollution by providing ships with discharge criteria and other guidelines to follow.
Prevent sea-going incident involving tankers.
You are having a blow-by on the main engine, but due to the circumstances, it is impossible to stop and do a piston overhaul. What is the correct action to take?
No action necessary.
Reduce speed temporarily and increase cylinder oil consumption.
Reduce speed.
Increase cylinder oil consumption.
The following chemical cargoes are all "carcinogens": Acrylonitrile, Aniline, Benzene, Chloroform, Epichlorohydrin and Toluene. What is a "carcinogen"?
A substance capable of burning tissue from contact with its vapours alone.
A cargo which requires cleaning at a specific temperature as listed in MARPOL.
A substance capable of inducing cancer.
A high-grade oil product, obtained by repeated distillation.
On a Container vessel, what is 'defrosting' associated with?
Reefer containers
Containers carrying IMDG cargoes
Dry cargo ventilated containers
Fan containers
A new joint is required for a sea water pipe flange and there are no ready made spares. What is the best method for making a new joint from a sheet of rubber insertion?
Use the old joint as a template to mark out the new joint on the sheet of rubber insertion and cut out the joint with scissors.
Cut a piece of rubber insertion with a hole in the middle roughly to size and fit it between the flanges. Hammer the bolts through to get the bolt holes in the correct position.
Measure the flange diameter, PCD and bore using a ruler and callipers and then use jointing scissors and hole punches to form the new joint.
Cut a piece of rubber insertion from the sheet and use a hammer to knock out the holes for the bolts and the bore against the flange.
What is the main fixed fire-fighting system on a car deck?
CO2
Dry powder
Water sprinkling
Halon
Which of the following is a form of food poisoning?
Diabetes.
Salmonella.
Rhinitis.
Chronic dyspraxia.
Training is required when new equipment is installed on board the ship. What kind of training should be provided and for whom?
Every crewmember is responsible for their own training. Safety Officer should be contacted if any questions.
No training is required for experienced seafarers
Theoretical and practical training should be provided for the head of department. Operation Manual for shall be available in crew mess room so that personnel involved in operation of the equipment can familiarise themselves with the new equipment.
Theoretical and practical training should be provided for all personell involved in operation of the new equipment
What are Primary fenders, with regard to ship-to-ship transfer operations?
Primary fenders are large fenders meant to float between vessels and absorb considerable impact
Primary fenders are tyre-type fenders kept on deck for emergency use
Primary fenders are small fenders suspended between the ships' bows or stern to protect from inadvertent angular contact
Primary fenders are fixed to the bow of an attending tug (if any)
On a RoRo vessel, what instruction should be given to the crew about unlashing of cargo prior to arrival at the berth
This can only be done when the bridge gives permission and no unit stowed on a ramp or incline can be unlashed. Provided the company allow it.
The crew can start unlashing without the permission from the bridge
You can remove half the lashings on any unit when the bridge give permission
What is the BC Code?
The Code of Safe Practice for Bulk Carriers
The Bulk Carrier Code
The Break-bulk Cargo Code
The Code of Safe Practice for Solid Bulk Cargoes
What must be ensured prior to receiving iron ore?
Double bottom tank top plating must be tested for leaks
Cargo hold paintwork must be intact
Cargo hold bilge suctions and topside tank drop valves must be satisfactorily tested
Upper frame sections in the cargo holds must be inspected for cracks
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
What does the term "Dead Ship" mean?
"Dead Ship" means that the ship cannot make way through the water
"Dead Ship" means that the ship is aground
"Dead Ship" means that auxiliary machinery is not operational
"Dead Ship" means that the machinery and boilers are inoperational due to lack of electrical power
Which statement about IED’s is true?
All IED’s have four common components.
IED’s don’t cause serious damage.
All IED’s look alike.
IED’s are difficult to manufacture.
What means of communication shall be provided to each member of the fire patrol?
Telephones in public spaces
Emergency telephones and Public Address system
A two-way portable radio
A mobile telephone
Which of the following is false when a casualty is bleeding?
Encourage patient to lie quite and re-assure
Treat for the shock
Control bleeding
Cover the wound with a cloth
If a vessel is fitted with “free flow system”, what does it mean?
That the cargo is free flowing in all tanks at all times.
A vessel without ordinary bottom lines where the cargo flows from tank to tank through bulkhead valves.
The vessel is not equipped with own discharging equipment.
That the vessel is only able to load on gravity.
While on boiler watch in the engine room a rating is requested to assist with taking on stores. The task will take about half an hour. What should the rating do?
Just ignore the request to assist with the stores.
Go and help with the stores but go back and check the boiler every 10 minutes.
Raise the boiler water level above normal to make sure there is sufficient water while he is busy with the stores.
Contact the engineering officer of the watch for permission to assist and to arrange a relief for the duration of the store taking.
Low voltage ships tend to have insulated neutral systems. What is the reason for this?
If the neutral is not insulated then it may short to other conductors.
It is easier to detect faults
In the event of an earth fault vital equipment will not trip
It is more effective than insulating the live conductor
What is the minimum length of rubber insert when replacing a damaged section of the hatch cover seal?
250 mm
200 mm
275 mm
500 mm
What is the best method for ensuring that the cylinder powers of a high speed diesel engine, fitted with a monoblock multi-cylinder fuel pump, are correctly balanced?
Measure the maximum pressure of each cylinder to check that they are equal.
Take a set of indicator cards using a mechanical indicator and calculate the cylinder powers.
Check the exhaust temperatures on each cylinder to see if they are equal.
Have the fuel pump phased and calibrated in a test workshop.
In most colour coding systems for kitchen knives, what colour is used only for knives used in the preparation of raw fish?
Green.
Brown.
Red.
Blue.
For what could a ro-ro vessel be held responsible by a port authority?
Vehicle emissions
Stevedore damages to vehicles
Ramp damage to the jetty
Visitors not wearing appropriate identification
A ship experiences an interaction effect known as "Squat" when moving in shallow water. The amount of Squat is affected by the speed of the vessel through the water. If the speed through the water is HALVED what will be the change in the affect of "Squat"
The squat effect will also be halved.
There will be a significant change in the reduction of underkeel clearance, but the amount varies from ship to ship
There will be very little change to the effects of Squat.
The squat effect will be reduced to a quarter of its original value
What gas checks must be made to the atmosphere in a general cargo ship deep tank prior to cleaning and after discharge of a cargo of vegetable oil?
The atmosphere must be checked for oxygen, methane gas and carbon dioxide
The atmosphere must be checked for oxygen levels, flammable gas and toxic gas
The atmosphere must be checked for oxygen, hydrogen and acid gas
The atmosphere must be checked for hydrogen sulphide, carbon monoxide and hydrogen gas
The deaerating heater is used in
the closed-type feed-water system
all steam plants
the open-type feed-water system
only low-pressure boilers
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