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Online testing: Test online CES 5.1 for Ch-Eng / 2nd-Eng
Online test
Description
The test consists of random questions on a selected topic.
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The hydrostatic release unit used in the float-free arrangements will automatically release the liferaft at a depth of not more than:
4 m
8,50 m
1m
2,50 m
*Under which circumstances should a sprinkler head of a common fixed sprinkler fire-extinguishing system be activated?
Automatically, when the temperature is within a range from 68°C to 79 °C
When the temperature is within a range from 68°C to 79°C, but after the corresponding alarm is acknowledged and assessed at the control panel
When the smoke density exceeds 12,5% obscuration per meter, but after the corresponding alarm is acknowledged and assessed at the control panel
Automatically, when the smoke density exceeds 12,5% obscuration per meter
In pumprooms and pipe tunnels "flameproof" electric light fittings are generally fitted. This means that:
Gas may enter, but even if an explosion takes place the fittings is so strong that the explosion will be contained within it and will not be blow out?
Even if fire occurs, it will not consume the fitting?
The electrical supply will disconnect automatically in cases of fire?
The fitting is completely gastight and no gas can enter into contact with the bulb and electric connections?
The display of the DSC-controller on board is showing the following lines: RX: 002442000 ; Ch87 ; D Sellcall Routine We’re asked to listen on:
Radio telephony-channel 7 in the 8 MHz band
VHF- channel 87
VHF- channel 16
Channel Delta of the coast station
Which of the following INMARSAT services provides communications by telephone, telex, facsimile (f, and data?
INMARSAT-A.
Safety NET.
VHF-FM.
INMARSAT-C.
MMSI is short form of:
Maritime Mobile Service Identity
Mobile Maritime Safety Information
Merchant Mariners Signal Identity
Merchant Marine Ship identity
What should you do if the temperature of Hydrogen Peroxide Solution 65 % carried is raising 2° C per 5 hours and the temperature is above 40° C ?
The cargo should be monitored closely for the next 12 hours.
The cargo should be heated up to 45° C.
No special action to be taken.
To avoid uncontrolled decomposition the cargo should be discharged overboard.
What is a "passenger" according to SOLAS regulations?
Any person paying their voyage regardless of ship type
Every person other than the Captain and the members of the crew or other persons employed or engaged onboard the ship in the business of that ship.
Any person holding a ticket and travelling with a passenger ship
Everyone who travels with a passenger ship
Which of the named ships are not subject to SOLAS regulations?
Cargo ships of less than 500 tons gross
Service vessels
Fish carriers/fish factories
Rescue vessels
Water Jel is a unique product regarding protection and first aid of burns. Water Jel is delivered in different sizes. Biggest is a carpet with the size 182cm x 152 cm. What is the highest temperature the Water Jel carpet is resistant against?
2500 C
823 C
414 C
1530 C
One of the following areas is NOT a Special Area as mentioned in MARPOL regulations regarding pollution by oil. Which is that area?
The Red Sea and The Gulf of Aden
The Gulf of Mexico
The Baltic Sea
The Mediterranean Sea
Which one of the following materials belong to Class 4.1, according to the IMDG code?
Toxic substances
Organic peroxides
Any flammable substances
Solid combustibles
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.
What is the correct understanding of the term "bank effect"? If a ship was approaching the bank at an angle, what would be the effect on the ship?
The vessel's stern is pushed away from the bank
The vessel’s bow is attracted by the bank.
The whole vessel would continue straight towards the bank and would require a large helm order to avoid going aground.
The vessel's bow is pushed away from the bank
SOLAS regulation requires that tankers of XXX ton dwt must be equipped with an emergency towing system?
20 000 dwt
10 000 dwt
30 000 dwt
50 000 dwt
The wearer of a lifejacket can jump into the water without injury and without damaging the jacket from a height of at least:
7 m
4,50 m
12 m
10 m
*The person in charge of a lifeboat :
must check that the crew under his command are acquainted with their duties
must have a list of the survival craft crew
all of the above
must check that the second in command has also a list of the lifeboat crew
A lifejacket should be provided with:
on ships built after February 1992 all lifejackets should be fitted with a light
a whistle and a light
a whistle
a light
A person wearing an immersion suit which has its own buoyancy is able to turn from a face-down to a face-up position in not more than:
30 sec
1sec
10 sec
5 sec
*The freeboard of a lifeboat, measured from the waterline to the lowest opening through which the lifeboat may become flooded:
Should exceed 1.5 % of the lifeboat length when fully loaded
Should exceed 0.5 metres when fully loaded
Should exceed 0.5 metres when loaded with 50 % of the number of persons the lifeboat is permitted to accommodate, these persons being seated to one side of the centreline
Should exceed 1.5 % of the lifeboat length when loaded with 50 % of the number of persons the lifeboat is permitted to accommodate, these persons being seated to one side of the centreline
Which of the following fittings shall be provided to all lifeboats:
permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat
an electric power starting system for the propulsion engine with one rechargeable energy source
a remotely operated steering arrangement
skates and fenders to facilitate launching down the side of a ship
Which item among those below is included in the normal equipment of every liferaft ?
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
one rustproof graduated drinking vessel
one searchlight which can work continuously for not less than 3 hours
one boat-hook
*Give the meaning of the following symbol
Release bowsing tackles
Release grips
Release painters
Release falls
An inflatable liferaft accommodating 12 persons is fitted with:
2 entrances among which one is fitted with a semi-rigid boarding ramp
2 entrances each being fitted with a boarding ladder
2 entrances each being fitted with a semi-rigid boarding ramp
1entrance fitted with a semi-rigid boarding ramp
HEL-H is the abbreviation of a heavy helicopter radius of action for rescue purposes. What do you think the radius and evacuating capacity of the helicopter is?
500 nm and capacity for evacuating more than 25 persons.
100 nm and capacity for evacuating more than 10 persons.
200 nm and capacity for evacuating more then 15 persons.
150 nm and capacity for evacuating more than 12 persons.
When passenger ships are engaged on international voyages (except for short ones) musters of the passengers must be performed within
1week after their embarkation
24h after their embarkation
48h after their embarkation
immediately after their embarkation
As per SOLAS regulations, the general emergency alarm system must be tested:
Every 3 weeks
Every week
Every 2 weeks
Every month
Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of escape routes and other escape methods
The use of navigational equipment for survival crafts
The use of all survival equipment
The use of surface to air visual signals to be used by survivors
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
You are crude oil washing tank 1C tank. The duty deck officer reports that the oxygen reading in the tank is 9%. What should you do ?
Carry on with the washing until you have checked the inert gas plant is fully functional.
Carry on with the washing but attempt to lower the oxygen level to less than 8%.
Stop the washing process and do not resume until the oxygen content in the tank is below 2%.
Stop the washing process and do not resume until the oxygen content in the tank is below 8%.
What is the main advantage of having a central cooling system fitted on board ship?
It should require less maintenance than a conventional system using only sea water.
It does not require any seawater.
It is a simple system with minimum control requirements.
Only one heat exchanger is needed for all cooling duties.
What type of lashing arrangement is needed on weather deck for securing one container high?
No lashing arrangement needed.
Turnbuckles and rods.
Twistlocks with turnbuckles and rods.
Twistlocks.
What is the purpose of the cylinder head safety valve?
To adjust the cylinder pressure to a safe working pressure.
To relieve excessive high pressure in the cylinder to protect the engine from being damaged.
A valve for safety stop (emergency) of the engine.
For indication of engine being overloaded.
At what temperature would you expect to carry a fully refrigerated cargo of butane?
- 43° C
- 23° C
- 15° C
- 4° C
Car decks on board ro-ro passenger ships are nomally closed during sea passage. Why are passengers not allowed to be on the car-deck during sailing?
Vehicles and other cargo can shift when the ship is rolling. Persons may be trapped between vehicles or cargo.
f the car decks are empty, it will be easier for the crew to locate all passengers in case of an emergency
To prevent burglary and damage to cars
In case of an emergency situation it can be difficult for passengers to escape. Vehicles, lorries, trailers and other cargo are maybe lashed and it is a substantial chance for passengers to get injured. Vehicles and other cargo might also shift when the ship is rolling.
On the bridge of a RoRo vessel, which of the following doors have no open/closed bridge indicator requirements?
Doors leading into the engine room
Hinged doors in watertight bulkheads
Shell doors and stern ramps
Sliding doors in watertight bulkheads
A vessel is carrying a refrigerated cargo under controlled atmosphere (CA). From the options given select the most appropriate degree of opening of the air change vents while operating under CA.
50%
100%
0%
25%
A centrifugal pump gland has been repacked following overhaul of the pump. Which of the procedures given in the options is the correct method to ensure the pump shaft does not overheat when the pump is operating?
Tighten the gland to half way travel of the gland follower.
Tighten the gland follower as much as possible and then slacken it back again by one turn of the gland nuts.
Gradually tighten the gland follower with the pump running until leakage at the gland stops.
Gradually tighten the gland follower with the pump running until the leakage is just a small steady flow.
Your vessel has gone aground on a rising tide on a shallow patch charted as a sand bank. The sea is calm with minimum swell and there is little wind. What immediate actions should be taken?
Immediately put the engines astern and attempt to take the vessel off the bank
Inform the nearest Coast Radio Station of the grounding; issue a Navigational Warning and display the "aground" signal
Display the Aground signal and sound round all tanks and bottom compartments to determine if there are any damaged compartments or ingress of water.
Display the "aground" signal and look round the outside of the vessel to determine if there are any signs of pollution
Why are hypochlorite based treatments used on some sea water cooling systems?
To prevent biological growth in the system.
To reduce sediment build up in the system.
To prevent corrosion of the system
To increase the heat transfer capacity of the system.
At what temperature would a fully refrigerated cargo of propane normally be carried on a liquefied gas carrier?
minus 43° C
minus 4° C
minus 33° C
minus 23° C
What is the symbol for a THYRISTOR?
Figure 4.
Figure 3:
Figure 1.
Figure 2.
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
Which of the following is an international requirement?
Securing of cargoes must completed within two hours of leaving the berth
Securing of cargoes must be completed before a ship leaves the berth
Securing of cargoes may be completed at anchorage
Securing of cargoes must be completed before sailing
Which of the following letter combinations represents a flow indicating controller on a process and instrumentation diagram
FIC
LIR
FLO
FIR
On a Bulk Carrier, what should be done immediately, if during the voyage the temperature of bulk coal exceeds 55?C?
Continue ventilation of all cargo spaces
Seal the hold completely and monitor the cargo using suitable instruments
Use fire fighting water in the hatch
Stop ventilation of cargo space
You are on a chemical tanker, where the duty officer usually controls the opertaion of the pumps and valves from a control room. You are in radio contact with him. The ship has just started to discharge several grades of chemicals to shore. Suddenly, the jettyman shouts across to you to "STOP". Which of the following will you do?
Inform the jettyman that you will check with the duty officer first.
It is important to keep the cargo discharge going, so you will ask the duty officer to slow the pumps to minimum speed while you find out what is happening.
Immediately repeat the request on the radio to the duty officer, then proceed to the manifold and stand-by for further instructions.
Ignore him, because you take your instructions only from the duty officer.
What is the recommended range for the pH-value for the water in a diesel engine cooling system engine cooling water be maintained?
Above 10
Between 5 and 7.
Between 7 and 10.
Below 5.
Vapour Leakage. A small leakage of vapour through the membrane may not be readily obvious. However, indications are likely to be:
Ice accumulation.
A sudden rise in the percentage of methane vapour in one primary insulation space.
Temperature change will be obvious.
Water building up in the insulation space.
According to MARPOL there are requirements regarding minimum amidships draught for crude oil tankers in ballast condition. What is the formula for calculating minimum draught amidships?
2.0 + 0.002L
2.0 + 0.15.l
2.0 + 0.02L
2.0 + 0.0015L
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.
Why is it important to have an efficient fire patrol system on board passenger ships?
To ensure that an outbreak of fire may be prompltly detected
To control that passengers adhere to smoking regulations on board
To verify that the automatic fire-detection system is working properly
To show passengers in public areas we are on duty 24 hrs
Which of the following cargoes would normally require surrounding empty cargo tanks, void spaces and ballast tanks to be inerted prior to loading and maintained in that condition while the cargo was on board?
Propylene Glycol.
Propionic Anhydride.
Propylbenzene.
Propylene Oxide.
What is an IED?
An explosive
A homemade bomb
A type of gun
An incendiary device
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
Is it required to have supplementary emergency electric lighting on board passenger ships?
No, passengers should bring their own flashlights
No, reflective marking indicates the escape routes
Yes, all passenger public spaces and alleyways shall be provided with supplementary electric lighting
On a RoRo vessel, what should be done if a non dangerous goods ro-ro unit is found stowed in an incorrect location?
Advise stevedores at the port of discharge
Inform the company
Mark the unit and amend the stowage plan whilst informing the Master and company
After a couple of hours of operation the failure alarm sounds for a heavy fuel oil purifier which is operating on a timed automatic sludge cycle. Upon investigation the purifier is found to be running slowly and when opened up the casing and sludge outlet is heavily fouled with sludge in contact with the bowl. From the options given what is the most likely cause of this problem?
The heavy fuel is unstable leading to excessive high viscosity sludge formation.
The dirty oil throughput is excessive.
The purifier bowl has not closed properly.
The clutch for the drive shaft is worn and slipping.
When loaded to what depth can bulk carriers constructed after 1 July 1999 withstand flooding of any one cargo hold?
The Tropical loadline
The Winter North Atlantic loadline
The Winter loadline
The Summer loadline
At what temperature is it recommended that frozen meat should be stored?
-45 degrees Celsius.
Between -5 and -10 degrees Celsius.
-20 degrees Celsius.
0degrees Celsius.
A large post Panamax container vessel is sailing during the winter months. In which sea areas is she most likely to encounter conditions which could cause a parametric roll?
The North Pacific.
The South China Sea.
The Indian Ocean.
The North Sea.
The coil of a 12V, 120mA dc relay must be connected across a 24V supply. What action should be taken?
Install a 100 ohm resistor in series with the coil
Install a 100 k ohm resistor in parallel with the coil
Install a 100 k ohm resistor in series with the coil
Install a 100 ohm resistor in parallel with the coil
The meaning of lapping a valve and valve seat is:
Machining the valve in a lathe machine.
Grind the valve against the valve seat to obtain a uniform sealing surface
Repair by welding
Adjust the overlapping of the inlet and exhaust valves
How do we recognize a leaking fuel injection valve during testing?
Fuel oil leaks out of the joint between the nozzle and the injector body.
The injector does not open at the normal opening set pressure.
The pressure falls off on the pressure gauge when trying to hold the pressure in the injector below normal opening set pressure.
The injector opens before normal opening set pressure.
During a scavenge port inspection of a diesel engine the piston rings on all units were seen to display the signs of the early stages of microseizue. What action should be taken to ensure that the progress of the microseizure is stopped and the rings recover?
Run the engine at reduced load.
Increase cylinder oil feed to all units. Check the fuel quality and operation of fuel oil purifiers and filter.
Replace all of the piston rings
Decrease cylinder oil feed to all units
The design features of a container ship with pronounced bow flare, a wide flat transom stern and wall sided amidships section contribute to what occurrence?
Excessive pitching
The ability to shed water very quickly off the decks
Large angles of heel with a large GM
Parametric Rolling
In a single side skin bulk carrier of 155m in length constructed in 2000 and carrying cargo of density 1010 kg/cu.m., which cargo hold can withstand flooding?
The midships cargo hold
The aftermost cargo hold
Any cargo hold
The foremost cargo hold
What is the Centre of Floatation of a General cargo Vessel?
The centroid of the ship's waterplane area
The amidships section at any given waterplane
The centroid of the ship's underwater volume
The centroid of the ship's half waterplane area
Different packaging methods are used for the various perishable commodities which are carried by reefer vessels. What type of perishable commodity is usually packed in a cry-o-vac?
Vegetable products
Frozen meat products
Fruit products
Chilled meat products
Which of the following answers would most appropriately describe shell plating damage to the vessel?
"My vessel has sustained damage to shell plating in way of No. 3 cargo hold"
"My vessel has sustained damage to shell plating below the waterline"
"My vessel has sustained damage to shell plating above the waterline"
"My vessel has sustained damage to shell plating below the waterline in way of No. 3 cargo hold, starboard side"
Which is the "CAPSTAN", in the figure?
The Capstan is indicated by A, in the figure
The Capstan is indicated by D, in the figure
The Capstan is indicated by C, in the figure
The Capstan is indicated by B, in the figure
What does a "compactor" do?
It compresses and forms raw meat into burgers, patties and other pre-formed shapes prior to packing and freezing.
It disposes of waste material through high-temperature combustion.
It crushes and compresses garbage, such as food packaging, into a more manageable shape and form prior to disposal.
It crushes and grinds food waste into small particles that can be washed overboard as "grey water".
Some spaces and zones on a liquefied gas carrier are classed as gas-dangerous as it is likely that they may contain flammable vapour and do not have venting arrangements to prevent this. What is the designation used for the other spaces and zones on liquefied gas carriers?
Gas-safe.
Vapour-free.
Gas-free
Gas-less
What is the purpose of introducing inert gas into cargo tanks?
To create a non-explosive atmosphere in the tank.
To reduce the static electricity potential in the tank.
To prevent evaporation of cargo.
To make the tank safe for entry.
According to regulations cranes and other lifting appliances onboard should, at regular intervals, be examined by ship's personnel and the result recorded in Register of Ship's Lifting Appliances and Cargo Handling Gear. How often should such examinations take place?
Every 5 years.
Annually.
Every 6 months.
Biannually.
What do we mean to gas free a cargo tank?
To gas free a cargo tank means that we remove flammable-, neutral- or toxic atmosphere from the cargo tank
That means that we are discharging the cargo tank
To gas free a cargo tank means that we remove gas from the cargo tank
To gas free a cargo tank means that we are pumping liquid into the tank
Why should cargo residues be removed from bilge wells?
Because corrosion will occur
Because bilge sounding pipes could become blocked
Because moisture levels will increase in the cargo holds
Because other cargoes will be contaminated
You will be at sea for 45 days with a crew of 30 men. How many tomatoes would you buy?
35 kg
60 kg
50 kg
70 kg
What kind of fixed extinguishing plant is installed to use on an oil tanker’s engine room and pump room?
Water spray plant.
CO2 plant.
Foam plant.
Powder plant.
On the figure 4 possible definitions of the term "ROLLER FAIRLEAD" are given. Which one is the correct one?
Roller fairlead is given by D on the figure
Roller fairlead is given by C on the figure
Roller fairlead is given by A on the figure
Roller fairlead is given by B on the figure
When should bagged fishmeal not be rejected for loading?
When temperatures of the bags are around 25 degrees centigrade
When temperatures of the bags are 5 degrees above the ambient temperature
When bags are damaged
When bags are wet
What kind of damages do steel coils sustain?
Chemical reactions between the steel banding and outer envelope
Crushing and distortion
Telescoping
Tearing
On the figure there are four (4) possible definitions of the term "MIDSHIPS" given. Which one is the correct one?
Midships is given by C on the figure
Midships is given by A on the figure
Midships is given by B on the figure
Midships is given by D on the figure
Why are zinc anodes sometimes fitted in the seawater side of heat exchangers?
To prevent accumulation of marine growth
To reduce salinity
To prevent scaling
To protect against corrosion
*Which of the following fittings shall be provided to all lifeboats:
an electric power starting system for the propulsion engine with one rechargeable energy source
watertight lockers or compartments
a remotely operated steering arrangement
permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat
What corrosion prevention measures should be taken if a boiler is to be out of service for an extended period?
Empty the boiler.
Keep at working level.
Chemically dose and fill up.
Keep at working level and chemically dose to a chlorine level of 50 PPM.
Which of the following effects is likely caused by oil contamination in the boiler water?
It increase the boiler tube metal deposition.
It cause pittings on the boiler metal surfaces.
It has no effects.
It adheres to the boiler tubes and reduce the heat transfer. It combines with solids to produce sticky deposits.
Where is the best position of the oil/water interface in this figures?
Position C
Position A
None of the shown positions.
Position B
Most boiler design incorporate external "downcomers". For what purpose are those "downcomers" primarely incorporated?
Provide extra support for furnace tubes.
Directional control of steam bubbles.
Ensure adequate circulation in all conditions of steaming.
To increase heating surface area.
Why is it necessary to keep cargo and bunkerlines blanked off while not in use?
To be sure you don-t mix cargo
To avoid unexpected oilspill
To avoid contamination of cargo
To be sure that air is not coming into the tanks
This online test consists of 90 random questions from CES 5.1 tests on a topic of your choice.