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Online-Test: Test online CES 5.1 for Ch-Eng / 2nd-Eng
Online-Test
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Der Test besteht aus zufälligen Fragen zu einem ausgewählten Thema.
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How many buoyant smoke signals are carried in each lifeboat?
4
2
12
6
The effectiveness of foam is based on:
dilution
Inhibition
smothering and cooling
smothering and dispersion
*Which one of the following methods can be adopted for the internal divisional bulkheading of the accommodation and service spaces of a cargo ship?
All these methods can be adopted
Fitting of an automatic sprinkler extinguishing system, with no restriction on the type of all internal divisional bulkheading
Construction of all internal divisional bulkheading of "B" or "C" class divisions, without the installation of an automatic sprinkler extinguishing system
Fitting of a fixed fire detection system in all spaces in which a fire might be expected to originate, with no restriction on the type of internal bulkheading, except that in no case must the area of any space bounded by an "A" or "B" class division exceed 50 m2.
Where may as a general rule pressure containers for gas fire-extinguishing medium be kept? (SOLAS II-2/5.1.10)
In cold storages
In the space which is to be protected
Above bulkhead deck
Outside the space which is to be protected
What is the requirement for stopping arrangements for power-ventilated accommodation spaces, cargo compartments, machinery spaces, service spaces and control stations (ships other than passenger ships carrying more than 36 passengers)? (SOLAS II-2/16.10)
Must be capable of being stopped from an easily accessible position outside the space being served
To be remote by controlled from central fire control panel
Only manually operated stopping arrangement allowed
Automatic closure controlled by the ship's fixed fire-detection and alarm system
What is the requirements to ventilation ducts of more than 2 metres in length (ships other than passenger ships carrying more than 36 passengers)? (SOLAS II-2/16.1)
They shall have lining of non-combustible insulating material
They shall be isolated from any combustible material
They must be fabricated of non-combustible material
They must be fabricated of fire-resistant material
*The engine room is equipped with regular fire hoses and nozzles. What is important to observe when using water as an extinguishing agent in the engine room?
Water may short circuit electrical installation and may be a threat to the personnel operating the fire hose as well as to electrical equipment itself
All the mentioned alternatives
Water has a clear limitation in fighting an oil fire
To reduce the negative effect of water in an engine room, the spraying function to be used. The spray function will also give the personnel operating the fire hose good shelter against heat
What is the name of the reference manual, jointly produced by the International Maritime Organization and the International Civil Aviation Authority, which currently outlines the organization and management of search and rescue activities at sea?
The Search and Rescue (IMOSAR) Manual.
The Internation Maritime Search and Rescue (IMARSAR) Manual.
The International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual.
The Merchant Ship Search and Rescue (MERSAR) Manual.
In addition to personal equipment a fireman's outfit also comprise breathing apparatus and a fireproof lifeline. How many complete sets of fireman's outfit is to be carried by all ships? (SOLAS II-2/17.3)
At least four sets
At least three sets
At least one set
At least two sets
When a vessel violates the oil pollution laws, who may be held responsible?
Captain only
Officers only
Shipowners only
Any one involved in the operation
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
Why are you only allowed to load maximum 98% of the tank capacity?
It is company policy.
Danger to vessel stability and strength.
Due to temperature expansion.
Danger of overloading.
For how long time must the printout from the Oil Discharge Monitoring Equipment (ODME) be retained onboard?
Six months
Three years
Four years
Two years
In shallow water a ship will experience "Squat". What are the principle reasons creating the effects of squat?
There are changes in the bow and stern pressure fields associated with the ships motion.
There is an increase in the water velocity and a decrease of water pressure around the ship's hull
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
What is the general emergency alarm signal to be sounded by the ship's whistle and alarm bells in case of an emergency situation?
Seven short blasts followed by one prolonged blast
Continuos sounding by whistle and alarm bells
Series of long blasts
Series of short blasts
Give the meaning of the following symbol:
survival kit
waterproof protection
diver suit
immersion suit
Give the meaning of the following symbol:
child-s lifejacket
muster station for unaccompanied minors (UM)
lifejacket
immersion suit
Which item among those below is included in the normal equipment of every lifeboat ?
two buoyant smoke signals
sea-charts and navigating equipment
one life-jacket for each person
an EPIRB
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?
Correct donning of the protective clothing.
Correct use of on-board communication equipment.
Correct donning of life-jackets.
The use of oars and sails for survival crafts.
If a vessel is rolling heavily in a seaway and has negative GM and a small Angle of Loll, describe how the vessel will roll.
Roll unevenly flopping over between the Angle of Loll on each side.
Roll evenly either side of the upright position.
Roll evenly each side of the Angle of Loll.
Roll between the Angle of Loll on each side.
What diminishes the proper functioning of twistlocks?
Vertical accelerations
Continued action of longitudinal forces
Heavy rolling
Continued use with over height containers
What is known as "cargo sweat" on a Bulk Carrier?
Condensation of moisture directly onto the ships structure
Condensation of moisture directly onto the cargo
Condensation of moisture onto the ships structure and cargo
Heating of cargo
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.
There are many applications in circuit theory where it is important to obtain the maximum possible power that a given source can deliver. This figure consists of a practical voltage source V(g) with internal resistance R(s). What resistance R(L) will maximize the power transmission from the source to R(L)?
R(L) = R(s)
R(L) = 2 R(s)
R(L) = 0.5 R(s)
R(L) = R(s) / sqrt (3)
What is Inert Gas?
It is a gas containing insufficient oxygen to support the combustion of hydrocarbons.
It is a gas containing too much hydrocarbon vapour to support combustion.
It is a gas containing no oxygen.
It is a gas containing less than 21% by volume oxygen.
Sounding pipes in the engine room are normally fitted with deadweight cocks and screw caps. Which of the following statements is correct?
Caps and cocks should be closed at all times, except when sounding tanks, to prevent ingress of water or oil into the engine room in case of tank bottom damage or overflow.
Deadweight cocks should be fastened in the open position to save time when sounding the tanks.
It does not matter where the cocks/caps are unless the tank is in use.
Caps should be placed on top of sounding pipes to keep the engine room tidy.
On a General Cargo Vessel, what must be done if a crane or derrick block sheave is found to be worn?
No action needs to be taken
Inform Chief Officer and prepare to change block if required
Block changed at next thorough inspection
Monitor condition of block regularly
What is the correct location or working station for the deck watchman during cargo operations on an oil tanker?
In the cargo control room.
Available somewhere on the weather deck only.
Standing by in the crew mess.
On the cargo tank deck at all times.
Modern slow speed, two stroke diesel engines often have locating pins or pegs to keep the piston rings in a fixed position. Why is this arrangement used?
It ensures the rings cannot be mixed up and that they are fitted in the correct order on the piston.
It avoids the risk of the ends of the piston rings being forced out by the gas pressure and catching on the scavenge ports.
The piston ring gaps can be kept in line to control the gas pressure on each of the rings.
The piston rings are more difficult to lubricate because of the slow operating speeds and will wear more quickly if they are allowed to rotate.
A Bulk Vessel is to load a cargo of grain; pre loading calculations show that IMO stability criteria cannot be achieved; the vessel should do which of the following?
The grain surfaces in some or all of the cargo spaces must be secured
The cargo can still be loaded
An exemption certificate must be applied for
The vessel will be unable to load the cargo
On a Container vessel, who is responsible for the safe lashing and securing of containers?
The chief officer
The duty officer
The cargo surveyor
The master
On a Container vessel, what facilitates the lashing of containers in the fourth and fifth tiers?
Long lashing rods with extensions
The lashing bridge
Long lashing rods
Raised deck platforms
How many groups is cargo tanks divided into?
5
6
4
3
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.
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
If a cargo is heated, which of the following happens?
Its weight does not change, but its volume increases - it expands.
Its volume does not change, but its weight decreases - it gets lighter.
Its weight does not change, but its volume decreases - it contracts.
Its volume does not change, but its weight increases - it gets heavier.
There is a permanently mounted mixer in the galley. It breaks down. What should the galley staff do about it?
The Cook should immediately place an order for a replacement unit to be delivered at the next port.
The catering staff should say nothing and hope that one of them can fix it before anyone notices.
They should report the defect through the proper system on board, isolate the power supply and place a notice on the mixer stating that it should not be used.
The catering staff are fully responsible at all times for galley equipment, so should fix it themselves and get it working at the earliest opportunity.
Which symptoms would indicate piston blow-by when operating a 4 stroke trunk piston type engine ?
Increased pressure in the air inlet manifold.
Increased pressure in the crankcase and smoke at the crankcase vent.
Smoke and sparks from the scavenge manifold drains..
Increased temperature in the inlet air manifold on the engine.
In a cascade type direct cooling plant, as fitted to some liquefied gas carriers for cargo reliquefaction duties, a refrigerant gas is used to give final cooling and condensation of the cargo vapours. What level of refrigerant would you expect to see in the liquid receiver sight glass when the plant is operating at normal load?
The sight glass should be 10 -30% full.
The sight glass would normally be completely empty when the plant is on load.
The sight glass would normally be completely filled when the plant is on load.
The sight glass should be 80 - 95% full.
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.
What is the minimum number of ”Firemen’s outfit” on gas tanker, above 5,000 m3, carrying flammable products?
2 sets of Firemen’s outfits
4 sets of Firemen’s outfits
3 sets of Firemen’s outfits
5 sets of Firemen’s outfits
What are the two parts of the magnetic compass error?
Variation and Deviation
West and East errors
Permanent and induced magnetism
The latitude and longitude
During inspection of a medium speed diesel engine piston of the composite type it is found that the steel crown is loose at its connection to the alloy skirt. Further inspection reveals damage to the surfaces and evidence of metal particles where the two parts are connected. Select, from the options given, the likely cause of this type of damage.
Fatigue due to excess compression at the joint between the components.
Crushing due to over tightening of the piston crown retaining bolts.
Shear of the metal surfaces due to excessive load on the engine.
Fretting due to loss of compression at the joint between the components.
What is the purpose of cooling down the cargo tanks before loading an LNG carrier?
To detect any serious loss of efficiency in the insulation which will show as frost on the mild steel inner hull.
To detect if liquid has gone from the bottom of tanks.
To control vaporisers and heaters so that temp of LNG vapour is higher than existing tank atmosphere temperature.
To avoid excessive boil off during and prevent thermal shock to the primary containment system.
What is the difference between methane and ethane?
Ethane has two more carbon atoms and two more hydrogen atoms.
Ethane has double bonding between the atoms.
Ethane has two more carbon atoms and one more hydrogen atoms.
Ethane has one more carbon atoms and two more hydrogen atoms.
On a RoRo vessel, what should you do if it is clear a RoRo cargo unit's content is not have properly secured
have the crew secure the content once the unit is in position
load the unit and let the duty officer know
Reject the unit and do not allow it to be loaded
What does not apply to the carriage of timer deck cargoes?
The International Tonnage Convention
The Code of Safe Practice for Stowage and Securing of Cargoes
The International Convention on Loadlines
SOLAS 74/78
What would be the most probable cause of the exhaust gas temperature from one cylinder of a diesel engine being lower than normal?
The opening pressure for the injection valve for the cylinder is set too high.
There is air in the fuel oil system.
The intake filter for turbo charger is partly fouled.
The camshaft chain is too slack.
A bulk cargo is loaded and the shore cargo figure is 10 000 tonnes; the chief officer calculates 9 500 tonnes have been loaded; what should the Master do?
Bills of Lading to be signed "Clean" by Master.
Inform Designated Person Ashore( DPA)
No action to be taken
Ask for a draft survey to be carried in the presence of P& I Club representative
When using a PID controller, which of the following parameter settings will not result in oscillation?
Temperature change
Too long D-time
Too high amplification
Too long I-time
Which Convention placed on the shipowner an obligation to exercise due diligence to make a ship seaworthy, requiring him "before and at the beginning of a voyage…to….make the ship seaworthy…and…make the holds...and all other parts of the vessel in which goods are carried, fit and safe for their reception, carriage and preservation"?
The Paris Memorandum.
The Hague-Visby Rules.
The Antwerp Convention.
The Nassau Protocol.
What should the duty crew member do if he observes stevedores smoking in ‘no smoking’ areas?
Immediately inform the stevedore foreman and duty officer
Wait to inform the relieving duty crew member
Inform the chief officer
Tell the stevedore to stop smoking
When 3 phase alternators are operating in parallel, it is very important that the reactive load is evenly shared so that the total alternator loads are evenly shared. If the total alternator load is the vector sum of active and reactive loads, which side of the vector diagram (power traingle) shown represents the reactive load?
Either (X) or (Y)
None of the mentioned alternatives
(X)
(Y)
What is the correct name of the part highlighted in the sketch?
The correct name of the part highlighted in the sketch is: Cylinder relief valve
The correct name of the part highlighted in the sketch is: Cylinder air start valve
The correct name of the part highlighted in the sketch is: Fuel injector
The correct name of the part highlighted in the sketch is: Cylinder lubricator
A steam generating tube in a boiler is found to be badly sagged but not ruptured. Select, from the options given, the most suitable action to be followed in order to operate the boiler.
Plug both ends of the tube and drill a hole in the body of the tube.
As long as the tube is not ruptured the boiler can be operated normally.
Plug both ends of the tube.
Heat the tube up with a gas torch and return it to its original shape and position.
What would the Chief Officer require prior to the vessel's departure from the berth?
Prior to the vessel's departure from the berth, the Chief Officer would require the anchor to be thoroughly secured
Prior to the vessel's departure from the berth, the Chief Officer would require the crew to prepare for the voyage
Prior to the vessel's departure from the berth, the Chief Officer would require the Bo's'un to oil the moving parts of the windlass
Prior to the vessel's departure from the berth, the Chief Officer would require the windlass to be covered
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.
What general background colour is used on warning signs that indicate emergency or first-aid features, or indicate a safe condition?
Blue.
Green.
Yellow.
Red.
What is done at a five yearly thorough inspection of lifting plant on a General Cargo vessel?
Derricks are tested
Lifting plant is proof load tested and all parts thoroughly examined
Deck cranes are tested
Deck cranes are tested and their parts thoroughly examined
What is a system employing a single common freshwater cooler (cooled by means of seawater) called?
High temperature freshwater system
Central cooling system
Common cooling system
Low temperature freshwater system
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 centre cargo tanks on your ship are made of stainless steel, while the wing tanks are made of mild steel with a zinc coating. Your ship is to load some Sulphuric Acid. Which tanks will it be loaded in?
It can not be loaded into any of the tanks on the ship.
Only the stainless steel centre tanks.
Only the zinc coated wing tanks.
Both the stainless steel centre tanks and the zinc coated wing tanks.
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%
A cargo pumproom must be mechanically ventilated. What is the minimum number of atmosphere changes per hour that such a system must achieve?
10 changes per hour.
There is no specified minimum number of changes, provided it is running continuously throughout any cargo operation.
30 changes per hour.
20 changes per hour.
Why do cargo tanks on a chemical tanker commonly have their own individual pipelines and cargo pumps?
To permit faster loading and discharging rates.
To reduce the chances of cross contamination.
To simplify the piping layout.
To allow more dangerous cargoes to be carried.
When carrying out repair or maintenance tasks involving hot work a hot work permit must be issued. Select the correct option from those given which completes the following statement. 'The permit for hot work…
..is valid for completion of the specific hot work tasks irrespective of the time taken.'
..can cover any additional hot work that arises during the completion of the task during the specified time period.'
..should only cover specific hot work tasks and be valid for a specified time period.'
..should only cover specific hot work tasks, be valid for a specified time period and be issued by the person carrying out the work.'
What precautions should be taken with Ro-Ro cargoes when crossing the oceans in winter?
Additional cargo lashings should be applied at the loadport
The ship should avoid areas of heavy weather
All of the alternatives
The typical “daylight-frequencies” for long distance transmission are located in the:
16 or 22 MHz-band
Don't know
8 or 12 MHz-band
4 or 6 MHz-band
Why do bulk carriers need to carry oxygen analysis and gas detection equipment?
Because this equipment is required under SOLAS 74/88
Because it is required under MARPOL 73/78
Because of IMO regulations regarding Enclosed Space Entry
Because it is required under the International Labour Convention
On a Container vessel, what is 'defrosting' associated with?
Reefer containers
Containers carrying IMDG cargoes
Dry cargo ventilated containers
Fan containers
Emergency instructions in appropriate languages shall be posted in passenger cabins. Which information shall as a minimum be included in the emergency instructions?
Escape routes and alarm signals
Name of cabin attendant
Where to find thermal protective aids
The method of donning life-jackets, escape routes and alarm signals
On a Container vessel, during rolling which of the following bears the initial stresses?
Twistlocks
Container corner posts
Lashing rods
Container corner castings
What effect would a blocked steam connection to a boiler water level gauge glass have on the visible water level in the glass?
The level in the glass would be higher than the actual level in the boiler
There would be no or very little water shown in the glass because it would be air locked.
The level in the glass would be less than the level in the boiler due to the water in the glass evaporating into the empty steam space.
The level in the glass would be the same as the level in the boiler since the water connection is still clear.
When operating a propulsion installation consisting of medium speed diesel engines driving a controllable pitch propeller it is possible to operate the combination of engine speed and propeller pitch in a number of different ways. What would be the main reason for operating with constant speed and variable pitch?
To allow the engine to be operated with a load sensing governor instead of a speed sensing governor.
To allow rapid load change and thrust reversal when manoeuvring.
To obtain maximum propeller efficiency over the load range of the engine.
To allow constant speed operation of a shaft generator while the engine load changes with pitch variation.
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?
Adjust the set point of the delivery temperature to 7 C for 12 hour periods and 13 C for the intervening 12 hour periods.
7 C as plantains are more sensitive to the higher delivery temperature of the bananas.
10 C as this is the mean temperature of the two cargoes and they would both carry satisfactorily at this temperature.
13 C as plantains are less sensitive to the consequences of a higher delivery temperature.
Select, from the options given, the best method to be used for cleaning a cargo space on a conventional reefer vessel into which the cargo to be loaded is the same as the previous cargo carried.
A quick blow through on the top of the deck gratings with compressed air.
Sweep clean the top of the hatch gratings and lift the gratings to sweep clean below them.
A quick blow through on top of and below the deck gratings with compressed air.
A complete wash down of the cargo space with a suitable cleaning agent.
The circuit consists of two capacitors, C(1) = 6 µF and C(2) = 12 µF, in parallel. Calculate the equivalent C(S) of the two capacitors.
C(S) = 2 µF
C(S) = 1,5 µF
C(S) = 18 µF
C(S) = 4 µF
Are all independent tanks self-supported?
Non cargo tanks are self-supported
Only independent tank type C is self-supported
Only spherical tank and cylindrical tanks are self-supported
All independent tanks are self-supported
A galley hot plate uses a Nichrome / Magnesium Oxide heating element and is to be tested before being put into service for the first time. An insulation resistance test yields a reading of 0.3 M Ohm. Which action should be taken?
Wash the element in a degreasing agent. Then retest and if ok put it into service.
Put the element into service.
Discard the element.
Apply reduced voltage to the element for a few minutes. Then retest and if ok put into service.
Which of the below structures of bulk carriers are considered critical?
Forecastle deck
Upper and lower connection of main side frames
Longitudinal deck plating outside hatches
The girders
The majority of large slow speed diesel engines used for main propulsion purposes are direct drive to a fixed pitch propeller? What is the main reason for this arrangement?
The amount of power that needs to be transmitted would overload a gearbox.
A fixed pitch propeller can operate with reasonable efficiency at the same sort of speed as the engine.
There is usually only one engine sin this arrangement and so clutches are not required.
Controllable pitch propellers cannot be used with large slow speed diesel engines which can be reversed.
What is the normal slow down/shutdown temperature for the jacket cooling water outlet from a diesel engine cylinder?
105 - 108° C
75 - 78° C
85 - 88° C
95 - 98° C
The "dew point" of a liquid chemical is often quoted in the documentation relating to its loading and carriage. Which of the following is a definition of "dew point"?
The temperature at which a gas is saturated with respect to a condensable component, as in operational terms is seen at the point when air is saturated with moisture.
The temperature at which dry-ice melts in Acetone.
The temperature at which a condensable component is saturated with respect to a gas, as in operational terms is seen at the point when moisture no longer detectable in air.
The temperature at which a saturated gas exhibits condensation.
Give the meaning of the following symbol
Gas detector
Bell fire alarm
Manually operated call point
Fire station
How do You want to operate the purifier to obtain the best separation result?
By high flow and high temperature.
Flow and temperature has no influence of the result.
Separation with correct temperature and low flow rate.
By high flow and low temperature.
What could be the possible cause of an engine knocking?
Any of the below
Faults in injection valves, injection too early.
Too big a piston clearance, worn cylinder liner.
The gudgeon pin or big end bearing having too big a clearance.
When a low pressure distilling plant is operated with less than the designed vacuum, the:
Capacity increases
Heat level rises
Heat level drops
Scale formation decreases
What separation temperature do You recommend for heavy fuel?
50 - 70 Centigrades
40 - 50 Centigrades
70 - 90 Centigrades
98 Centigrades
What would you do if you after starting the separator discovered that the settling tank was full of water
It depends on the installation
Stop the separator and drain the water from the tank
Increase the flow through the separator
Use full separation capacity
Which of the logic statements is correct for this pneumatic system?
S = A or (B and C)
S = (A or B) and C
S = A or B or C
S = A and B and C
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