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Online-Test: Test online CES 5.1 for 3rd-Eng/4rd-Eng
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*A rocket parachute flare must have a rate of descent of not more than
1m/s
0.5 m/s
5 m/s
10 m/s
For which of the following groups of substances or materials is the use of water as an extinguishing agent dangerous?
Gas-oil, oily rags, synthetic textiles
Wood, rubber, oil
Alcohol, paraffin
Sodium hydrosulphite , potassium hydroxide, magnesium
In case of diesel driven fire pumps, for how long shall the fuel tank capacity allow the pump to be run at full capacity? (SOLAS II-2/4.3.3.2.3)
Six hours
Fifteen hours
One hour
Three hours
*At what rate shall a fixed high-expansion foam fire-extinguishing system fill the greatest space of an engine room with foam?
10 m depth per minute
15 m depth per minute
1m depth per minute
5 m depth per minute
What is the main criterion generally taken into account to classify portable extinguishers:
The extinguishing agent
Their pressurisation system
The way they can be moved
Their capacity of charge
You are carrying out a search in a smoke filled room wearing BA. How would you conduct this search?
Proceed straight ahead to the far bulkhead and then carry out a left or right hand search as appropriate
Proceed to the approximate centre of the room and then carry out the search on a circular pattern.
Carry out a right or left hand search and proceed carefully feeling the area in front with the foot and using the back of the free hand to check the area in front.
As soon as you enter carry out a right or left hand search by placing the appropriate hand onto the bulhead and then follow the bulkhead round as quickly as possible.
In a smoke filled alleyway, where will the cleanest air be found, and how should you proceed out?
Near to the upper part, stand as tall as possible and walk out
Near to the lower part, therefore sit down and wait for the rescue party
It will be the same in all the parts, therefore you should just leave as quickly as possible
Near to the deck, crawl out keeping your face as near to the deck as possible
On board they want to send a telex message to the Apollogracht via Inmarsat. In the guides the following ID’s are found for the Apollogracht:24432000, 424432010, 424432020, 1300210, 36715. What ID should be chosen:
244320000
36715
424432010 or 424432020
Don't know
Cargo tanks with which of the following lining types can be used for the carriage of Propylene Oxide?
Zinc coated tanks.
Epoxy coated tanks.
Aluminium tanks.
Steel or stainless steel.
To what pressure will a new length of cargo hose be tested by a manufacturer prior to its supply to a vessel for service onboard a chemical tanker?
Not more than one and a half times its specified maximum working pressure, but not less than two-fifths of its bursting pressure.
Not less than one and a half times its nominal bursting pressure, but not more than four-fifths of its specified maximum working pressure.
2 times its designed working pressure, but not more than three-fifths of its nominal bursting pressure.
Not less than one and a half times its specified maximum working pressure, but not more than two-fifths of its bursting pressure.
When you join a new ship, how are you informed about safety rules, alarm instructions and your own duties in case of an emergency?
By oral instructions by the Captain
By alarm instructions in all crew cabins
By folder distributed to each crewmember
By muster lists exhibited in conspicuous places
What is Hypothermia and how is it cured?
Body temperature below 35C / Heat the body
Body temperature above 39C / Cooling down the body
Body temp below 23C / Slowly heat the body
Heavy coughing / Medication
You are on a vessel 10 nautical miles off the coast of Nigeria, West Africa. Are you allowed to dump empty glass bottles overboard ?
Yes, glass bottles can be dumped overboard
Yes, the bottles can be dumped if they are ground so that the resulting particles can pass through a screen with 25 mm openings
No, glass bottles can not be dumped overboard
Yes, the bottles can be dumped if they are ground so that the resulting particles can pass through a screen with 50 mm openings
Is there any special area where it is forbidden to pump out any sludge or oil residues?
There is 5 special area where it is forbidden to pump out any sludge or oil residues
There isn’t any special area where it is forbidden to pump out any sludge or oil residues
There is 3 special area the Baltic, Mediterranean and the Black sea where it is forbidden to pump out any sludge or oil residues
There is 4 special area where it is forbidden to pump out any sludge or oil residues
How many, minimum lines of positions are needed to decide a position using the decca system?
1line of position.
6 lines of position.
2 lines of position.
8 lines of position.
The buoyancy and the stability of a lifejacket is sufficient to turn the body of an unconscious person in the water from any position to one where his mouth is clear of the water in not more than:
5 sec
1sec
30 sec
10 sec
Which one of the listed routine test and inspections of life-saving appliances is not required by the regulations?
Inspection of life-saving appliances, including lifeboat equipment shall be carried out monthly to ensure they are complete and in good order
Survival crafts and rescue boats with launching appliances shall be visually inspected weekly to ensure they are ready for use
Lifeboat engines to be run for at least 3 minutes every week
General emergency alarm to be tested daily
Which item among those below is included in the normal equipment of every rescue boat ?
two tin-openers
one waterproof electric torch suitable for Morse signalling
one set of fishing tackle
watertight receptacles containing water for each person
Which item among those below is included in the normal equipment of every liferaft ?
one copy of the prescribed life-saving signals
one searchlight which can work continuously for not less than 3 hours
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
one boat-hook
Which one of the listed requirements regarding rescue boat equipment do not correspond to present regulations? The normal equipment of every rescue boat shall include:
a first-aid outfit in a watertight case
an efficient radar reflector
immersion suits for the number of persons the boat is permitted to accommodate
two buoyant rescue quoits attached to not less than 30m of line
How is the painter attached to the lifeboat released once the boat is waterbone and ready to leave?
Remove the toggle which will release the painter
Cut it with the axe provided
The painter will automatically part by the weak link when the boat goes astern to clear the ship
Cut it with the knife contained in the equipment locker
The Muster List shall show the duties assigned to members of the crew. Which of the following duties shall be included according to present regulations?
Preparation of immersion suits for passengers.
General preparation of life-saving appliances.
Operation of the vessel's propulsion system.
Preparation of survival crafts' Emergency Position Indicating Radio Beacons (EPIRRB).
*At least how often shall rescue boats be launched with their assigned crew and manoeuvred in the water?
Every two weeks
Every week
Every three months
Every six months
*Which one of the following items has to be included in an abandon ship drill?
Starting and operating radio life-saving appliances
Launching and recovery of a survival craft
ensuring that passengers and crew are made aware of the order to abandon ship
Manoeuvring the lifeboat in the water
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
When is a ro-ro vessel likely to pitch heavily?
When wave lengths are roughly equal to twice the ship’s length
When wave lengths are roughly half the ship’s length
When the seas are from astern
When wave lengths are roughly equal to the ship’s length
What is the correct definition of: - a mooring line?
A line for a block.
A line for the ancher.
A loop in a rope.
A thick rope to tie up the ship.
What is the approximately boiling point of LNG at atmospheric pressure?
Approximately -160 C.
Approximately -170 C.
Approximately -140 C.
Approximately -150 C.
In oil tanker operations, what is understood by the term "Load On Top"?
Loading part of an oil cargo in one port, then loading the same type of cargo "on top" in a subsequent port.
Loading a new compatible cargo "on top" of the oil and water residues from a previous cargo in the sloptanks
Loading an oil cargo into the tanks tanks through hoses inserted through the tank hatches and lashed in position
Loading part of an oil cargo in one port, then loading a different type of cargo "on top" in the next loadport
Which of the following parameters will result in oscillation
Too short D-time
Too high amplification
Temperature change
Too long I-time
Which electronic component is this graphical symbol illustrating:
Auto transformer
Potentiometer, 10 kilo-ohms
Variable inductive reactor
Variable electrical heater, 10 kilo-watts
Before starting a transfer of oil, the person in charge on the vessel and the person in charge on the facility must hold a pre transfer conference. Who must decide to start the transfer?
Both persons in charge
The person in charge on the facility
The person in charge who is handling the pumping
The person in charge on the vessel
It is important that tools are in good condition when they are being used for maintenance. Incorrectly sharpened tools can be dangerous. Which of the following tools can be safely sharpened using a pedestal grinder?
Steel drill bit.
Brass chisel.
Hacksaw blade.
Wooden wedge.
After washing cargo holds why are cargo residues often found on the tank top when hatches are opened at the load port?
Because the washing of cargo holds was not thorough
Because of poor drainage into the bilges
Because of cargo residues falling down due to ship’s vibrations during the ballast passage
Due to failure of the bilge eductors
Which publication gives guidance on the stowage and securing of general cargo?
IMO Code of practice for stowage and securing of cargoes
SOLAS Safety Training Manual
IMO Code of Practice for Bulk Cargoes
International Load Line Regulations
Which type of cargo pump works by the cargo being drawn into the pump at high speed and being thown outwards against the pump casing by rotating impellers?
Centrifugal.
Positive displacement.
Reciprocating.
Self-priming.
What is the time limit for abandonment of passenger ships?
There is no time limit
30 minutes from the time the abandon ship signal is given
2 hours from the time the abandon ship signal is given
15 minutes from the time the abandon ship signal is given
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.
How should caterpillar crawlers stowed on hatch covers be secured?
By means of wire ropes secured to the hatch covers from all four sides of the unit
By means of wire ropes secured to the main deck from all four sides of the unit
By means of wire ropes secured to the hatch coamings
By means of wire ropes secured to the hatch covers and to the main deck from all four sides of the unit
On a container vessel, what should be referred to when taking action to deal with a cargo spillage under-deck?
The ship's Contingency plan
The EmS Guide
The Dangerous Cargo Manifest
The ship's Safety Management System (SMS)
A new gasket has been fitted to the manhole cover of a ballast tank. Which of the options given would be a suitable test that the new gasket is correctly fitted?
Carry out a hose test on the manhole cover.
Carry out an air pressure test on the ballast tank.
Fill the tank with water up to capacity.
Fill the tank with water until it overflows through the air vent.
What is the correct understanding of the term "boat drill"?
The opportunity for all on board to launch the boats and abandon ship.
A demonstration for the people on board to understand how a lifeboat can be used to abandon ship
Practical exercise for the people on board to practice their duties and be prepared in the case of an emergency abandon ship.
A presentation by the Master on what he would expect from all on board in the case of an emergency.
What is the main purpose of routine testing of cooling water?
To ensure that the proper residuals of treatment chemicals, as specified, are maintained at all times
To detect dissolved oxygen in the water
To measure the pH - value of the water
To detect presence of contaminants in the water
Indicate the correct name for the part marked on the sketch:
Exhaust valve
Piston
Cylinder liner
Main bearing
A ro-ro unit weighing 18mt is to be loaded in the fore and aft direction and lashed by belts of SWL 2mt. How many lashing belts should be used to secure the unit?
9
10
8
At least 12
If it is found that a leakage from the gland of a centrifugal pump is excessive. The correct procedure is:
Fit oversize packing to the stuffing box.
Tighten the gland as much as possible until the leakage stops.
Ensure the bilge well to which it is draining is regularly pumped out.
Re-pack the stuffing box loosely with the correct size packing at the earliest opportunity.
As understood within the IMDG Code, what is an "article"?
Something that is packed within a freight container.
A device that is responsible for initiating a dangerous reaction.
A device that contains a dangerous substance or mixture of substances.
A form that contains important information about a hazardous substance.
What does the IMSBC Code emphasise with reference to the exposure of personal to the dust created when carrying some bulk cargoes?
The restricted loading of certain cargoes which may be excessively dusty
A high standard of personal hygiene
The responsibility of the Master to ensure that staff are wearing the correct clothing
The code does not make any reference to this hazard
What should you do in case of any fire breaks out?
Alert the bridge, Rescue human life, Extinguish if possible by use of available fire fighting-fighting appliances, Secure the area/ damage control
Call FIRE-FIRE-FIRE
Fight the fire and report to the bridge when you have extinguished it
Ask passengers to assist you with fire-fighting
For what can a vessel be held responsible by a port authority?
The gangway resting on a damaged jetty
Damage to cargo during loading
Painting overside
Soot emissions
How many lifejackets are required in a passenger cabin?
Twice the number of beds in the cabin
Same number as beds in the cabin
At least 2
Non, they will be handed out at the muster station
A rating on boiler watch notices water coming from the safety valve chest drain while the boiler is in operation. What action should be taken by the rating?
Contact the engineer officer of the watch and inform him immediately.
Put a bucket under the drain to prevent the deck becoming wet and slippery.
Hit the safety valve with a hammer to try and get it to reseat tightly.
Operate the safety valve using the release gear to try and get it to reseat tightly.
What is the difference between the protection supervisor's and the protection and environment committee's area of activity?
The supervisor's duties relate to the ratings, the commitee's to all seafarers
The commitee is supervised by the protection supervisor
The supervisor's field is the work situation, the commitee's the total environment, also spare time
No difference
The use of a chemical additive to induce a chemical reaction and so expedite the cleaning of a cargo tank on a chemical tanker is a common operational technique. What is the chemical term for the substance used in such a procedure?
Accelerant.
Reagent.
Reactant.
Catalyst.
The ship's crew are carrying out maintenance on the weather deck hatch lids of a refrigerated cargo space. Which of the parts given in the options will have the greatest influence on maintaining cargo temperature in relation to the hatch lid system?
The condition of the hatch lid wheels.
The condition of the hatch lid seals.
The condition of the hatch lid hinges.
The condition of the hatch lid trackway.
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.
For what purpose is inert gas normally used in the cargo tanks of a liquefied gas carrier?
To maintain an inert atmosphere in the tanks during a loaded voyage.
To prevent an explosive atmosphere forming in the cargo tanks before gas freeing.
To pressure test the cargo tanks after repair work.
To help displace the cargo from the tanks during discharge.
The IMO Cargo Stowage and Securing Code (CSS) indicates in the 'Rule of Thumb', the total strength of the lashings on each side of a heavy lift; what is the stated value ?
The Maximum Securing load of the lashings must equal five times the weight of the cargo unit
The Maximum Securing load of the lashings must equal the weight of the cargo unit
The Maximum Securing load of the lashings must equal twice the weight of the cargo unit
The Maximum Securing load of the lashings must equal the 50% weight of the cargo unit
What is a "ladle"?
Part of a Steward's uniform.
A big spoon.
A type of bread roll.
A Mediterranean vegetable.
What is the minimum number of independently driven fire pumps that must be provided on passenger ships of 4000 tons gross tonnage and upwards?
3
4
5
2
When there is doubt about the freshness of the atmosphere in enclosed or confined spaces, what action should be taken?
Open doors and manholes
Arrangements should be made for testing of the atmosphere to ensure maintenance of 21% oxygen of the space
Ro-ro decks are always ventilated in advance of an operation
Supply filter masks to all crew working on ro-ro deck
What area of an ordinary cook's knife is most likely to contain trapped particles of food and will require particular attention when it is being washed and cleaned?
The area where the blade is fiited into the handle.
The back edge of the blade.
The tip or point of the blade.
The area that has been gripped by the fingers and palm of the hand.
What is the approximately efficiency of the ejector?
The ejector's efficiency is between 60% and 70%.
The ejector's efficiency is between 30% and 40%.
The ejector's efficiency is between 70% and 80%.
The ejector's efficiency is between 20% and 30%.
How can the pressure be regulated during start up of a positive displacement pump such as a gear pump?
By throttling the discharge valve
By throttling the suction valve.
Positive displacement pumps operate at constant pressure and cannot be regulated.
Adjustment of the pressure relief valve to recirculate part of the flow.
You are in charge of discharging and crude oil washing a crude oil carrier.What is the maximum allowed oxygen level in the Inert Gas supply to a tank being crude oil washed (IMO)?
10%
5%
3%
8%
For a cargo compartment on a chemical tanker to meet the definition and requirements of a "pressure tank", what must its design pressure be?
At least 1.0 bar gauge.
At least 2.1 bar gauge.
Less than 0.7 bar gauge.
Greater than 0.7 bar gauge.
It is common practice to connect a resistor is connected over an alarm contact (see diagram) in many applications. Why is this connection used?
To stabilise power consumption.
To avoid sparks on the contacts when opening and closing.
Enable measuring the total resistance of the circuit.
To monitor the cable/wires for break.
What will immediately diminish the function of a dovetail fitting?
Signs of corrosion of the adjacent deck plating
Rust stains around the welded seam
Signs of pitting
Chamfered or waved edges
What factors do you consider as important before mooring a vessel?
Use of proper Personal Protective Equipment, Mooring stations should have effective hazard markings/ hazard highlighting, Stay clear of mooring ropes/wires, Be aware of Snap-back Zone, Proper procedures
Use of proper Personal Protective Equipment and be aware of Snap-back Zone
Use of proper Personal Protective Equipment
Use of proper Personal Protective Equipment, Well maintained mooring equipment, Make sure the area is tidy and clean, Mooring stations should have effective hazard markings/ hazard highlighting, Stay clear of mooring ropes/wires, Be aware of Snap-back Zone, Proper procedures, Effective communication
This circuit shown is a logic gate with two 'high' input signals, A and B, and one output signal Q. Which type of logic function does the gate provide?
OR gate
AND gate
NOR gate
NAND gate
If left-over cooked meat is to be re-used in another meal, which of the following precautions must be taken?
The meat must be fine chopped to ensure it re-heats to at least 70 degrees Celsius as quickly as possible; it must not be mixed with newly preared raw meat; the dish in which it is used must only be heated once.
The meat can be directly added to another dish and musdt be re-heated to the temperature required by the new recipe; it can then be re-heated for further servings provided it is refrigerated in between.
The cooked meat must have been refrigerated until required; it can be taken out, chopped and mixed thoroughly with newly cooked ingredients, to ensure it is adequately re-heated. If it cools before serving, it can be warmed through on a hot plate or under a heat lamp.
The meat must be sliced to a thickness of less than 5 mm to ensure it re-heats to at least 50 degrees Celsius during cooking; it can only be layered with other previously cooked ingredients; the dish in which it is used can be re-heated again, provided it is refrigerated between each serving.
Crewmen are carrying out maintenance work in the engine room on overtime. The work does not affect machinery operation. At the end of normal working hours, what should the Engineer on Duty do?
Switch to UMS-mode and leave the engine room as normal.
Continue with manual operated engine room until the maintenance work is finished.
Switch to UMS-modeand inform the crewmen not to touch any of the machinery.
Leave the engine room after asking the crewmen to switch to UMS once they have finished working
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.
What problem is associated with the use of twistlocks?
Sliding of containers when a vessel is pitching or surging
Susceptibility to wear and tear
Failure during heavy weather
The mixed use of left and right-handed twistlocks on the same vessel
This vessel is sighted ahead and slightly to port. What is her situation? What will you do?
This vessel is aground. I will navigate with extreme caution given the nature of the hazard.
This is a vessel not under command at anchor.
This is a vessel engaged in fishing vessel, with her nets fast on an obstruction. I will keep out of the way by rule 18 of the International Collision Regulations.
This is a vessel aground. She appears to have been headed to starboard of my track and I will therefore alter course to port, passing under her stern.
If the A.C. line current in a generator stator is doubled, the heating effect in the stator windings will:
Quadruple
Double.
Remain about the same.
Half.
What should crew members not assigned to emergency teams, do?
Crew members not asigned to emergency teams should ensure the proper operation of the remote control equipment
Crew members not asigned to emergency teams should be ready to assist the engine-room emergency team
Crew members not asigned to emergency teams should be integrated in the emergency team
Crew members not asigned to emergency teams should prepare survival crafts and render assistance, where required
Inspection of the LP turbine rotor reveals some erosion damage to the blading on the final stage. Which of the given options is most likely to be the cause of this condition?
Steam inlet to the turbine superheat temperature low.
Steam inlet to the turbine pressure too low.
Excess LP bleed steam take off.
Total dissolved solids in the boiler too high.
What is the definition of sludge control?
The cargo tanks are to be washed that often so recidues do not accumulate in large quantities.
The sludge is controlled by use of special instruments.
This is done in port by a special sludge control squad.
Visual control of the sludge.
Where shall you be able to activate the ship security alert system on board passenger ships?
From the navigation bridge and in at least one other location
Captain's- and Chief Officer's office
Navigation bridge
Captain's office
Consider the situation sketched below. What can happen if the tugmaster is not careful?
The tug may be turned across your bow with the danger of being turned over.
The stern of the tug may be sucked into your bow.
The tug may be pushed away from the ship and thus unable to assist your vessel.
The tugmaster may loose control and ram your bow with possible damage to your ship.
What does the term 'stoichiometric mixture' mean when used in relation to combustion of hydrocarbon fuels?
A ideal mixture of fuel and air in which all of the fuel in the mixture is consumed during combustion.
An ideal mixture of fuel and air in which all of the fuel in the mixture is consumed during combustion with a minimum of excess air.
An ideal mixture of fuel and air in which all of the fuel and oxygen in the mixture are consumed during combustion.
A ideal mixture of fuel and air in which all of the oxygen in the air in the mixture is consumed during combustion.
Cargo compressors are fitted on LPG carriers as part of the cargo and vapour handling system. Why is it important to 'bar over' a piston type LPG compressor before starting it up?
To prove the oil pump is working.
To avoid low suction pressure during start up.
To reduce the electrical start up load..
To make sure there is no liquid in the cylinders.
If you have to carry out hot work close to a smoke detector in the engine room, what precautions should be taken?
Notify Master, Deck officer and engineer in charge.The loop for the smoke detector to be switched off and take normal precautions for hot work.
Notify deck officer in charge that a fire alarm may occur.
No special precautions except for having a watch man and a fire extinguisher available.
Disconnect or cover up the smoke detector.
Why should vehicles stowed on ramps face downwards?
To facilitate cargo discharge operations
To facilitate cargo stowage operations
To prevent fuel draining from the engine
To prevent excessive tyre compression
When must lifting plant on a General Cargo vessel be proof load tested?
Only after initial installation of equipment
When equipment is new, every five years and after repairs or major modifications
Only after repairs
Every four years and after repairs and modifications
After starting a freon compressor, how long should you wait before opening the oil separator return valve?
After the separator shell has warmed up.
One minute.
Open the valve immediately.
Carefully open the valve.
Which statement is true?
The FW-HT is cooling the Generators
The bottom sea chest is used when low temperature on Sea Water is required
The FW-HT is cooling the Fresh Water Generator
The FW-HT is circulated in a closed system, cooling cylinder jackets on Main Engine and aux. Engines
At which of the pressures shown should the high discharge pressure trip operate on a freon compressor?
+ 25 bar
+ 18.5 bar
+ 10 bar
+ 5.0 bar
If the water and oil have emulsified, is it possible to remove the water in the separator
Provided this is fresh water, yes
It depends on the viscosity of the oil
No
Yes
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