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Онлайн-тестування: Test online CES 5.1 for Ch-Eng / 2nd-Eng
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Тест складається із випадкових питань з обраної теми.
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The extinguishing agent which can be applied on any fires of class A, B, or C is:
Halon
Sprayed water
CO2
Multipurpose powder
*What is the maximum length for a dead-end corridor on a cargo ship?
7m
8 m
10 m
5m
What is the minimum number of fireman's outfits that should be carried on a cargo ship?
4
3
1
2
As a fire fighter, what should you always consider when fighting a fire in a confined space?
The confined space can be considered to have one side only as heat always rises
The confined space has only five sides
The confined space always has six sides
The confined space has only four sides
Inmarsat Telex Service code ‘33’ can be used:
when the coast-station is disfunctional
to ask for ‘maritime enquiries
Don't know
when technical problems are experienced with the Inmarsat-terminal
A faint is a brief loss of consciousness of no more than momentary duration caused by a temporary reduction in the flow of blood to the brain.How to prevent anyone from fainting?
Tell the person to sit down in a sitting position breathing normally.
Tell the person to sit down and lean forward with the head between the knees taking deep breaths.
Try to keep the person in an upstanding position.
If standing in a crowd, flex the leg muscles and toes to aid circulation.
Your vessel is to turn in a narrow canal by use of one tug (turn to port with the bow). In which position and how would you use the tug? (Vessels engine will also be used).
Make the tug fast aft for pulling
Make the tug fast on port shoulder to pull
Make the tug fast in centre bow fairlead for pulling
Make the tug fast on starboard shoulder to push
The muster list must be prepared:
at least 2 hours before the ship proceeds to sea
at least 1 hour before the ship proceeds to sea
At any moment before the ship proceeds to sea
at least 2 hours after the ship has proceeded to sea
Which one among the following information shall be marked on the container of an inflatable liferaft:
the number of persons the liferaft is permitted to carry
the name of the ship to which the liferaft belongs
the number of the liferaft
the port of registry of the ship to which the liferaft belongs
Which item among those below is included in the normal equipment of every liferaft ?
one searchlight which can work continuously for not less than 3 hours
one boat-hook
one first-aid outfit in a waterproof case
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
Which item among those below is included in the normal equipment of every liferaft ?
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
a food ration for each person
How should the painter of a liferaft which is fitted with a hydrostatic release be secured to the ship?
Secured via a weak link to a secure part of the ship
Secured to the part of the hydrostatic release that is designed to break free
It should not be secured in any way
Directly to a secure point on the ship
How should the hook be released from a davit lowered liferaft?
Cut the weak link on the wire with the axe provided
Wait until the raft is waterborne, then pull the lanyard
Just prior to reaching the water, the lanyard should be pulled. This sets the hook which will automatically release once the raft is waterborne
Unscrew the shackle pin
What is the meaning of this symbol ?
Survival craft pyrotechnic distress signals
Radar transponder
EPIRB
Survival craft portable radio
On the figure 4 possible definitions of the term "FAIRLEAD" are given. Which one is the correct one?
Fairlead is given by B on the figure
Fairlead is given by D on the figure
Fairlead is given by C on the figure
Fairlead is given by A on the figure
What significant change to the requirements for the carriage of Vegetable Oils in tankers was introduced by the amendments to MARPOL and the IBC Code on 1st January 2007?
They must now be carried in double-hull tankers.
They must now be carried in type 2 tanks.
x
What is the correct name of the part highlighted in the sketch?
Cylinder head
Air inlet valve
Exhaust valve
Cylinder relief valve
At what temperature is it recommended that frozen fish is stored?
0degrees Celsius.
Between 1 and 4 degrees Celsius.
-2 degree Celsius.
-20 degrees Celsius.
What name is given to an appetizer, served before a meal, usually being small, attractive, savoury snacks, designed to stimulate the appetite?
Hors d'oeuvre.
Order.
Hors de manger.
Hors de combat.
A diode may be tested by which method?
Use a Digital Multi- Meter set to measure ohms in forward and reverse directions.
Use an insulation resistance tester (Megger)
Connect to low ohms resistance tester.
Use a Digital Multi-Meter set to check forward voltage and reverse current blocking
What is a typical composition of LNG (Arabian Gulf)?
Methane 100%
Methane 75% - Ethane 12% - Propane 13%
Methane 80% - Ethane 15% - Propane 5%
Methane 91% - Ethane 6% - Propane 3%
What is the meaning of the term “Range” of a transducer
The maximum output signal
The difference between possible maximum and minimum measurement
The maximum length of the connecting leads.
The type of measurement
On a Container vessel, what is the function of a lashing plate?
As tie down point for turnbuckles on deck or hatch cover
A means of securing buttresses under-deck
A means of securing the hatch covers
A means of securing lashing chains
This circuit symbol is an amplifier system and its frequency response diagram. Which control function is the system performing?
Proportional + derivate (PD)
Integral (I)
Proportional + integral (PI)
Proportional + integral + derivate (PID)
This is a typical emitter follower. What is the main benefit obtained by use of an emitter follower?
The collector can be connected to as high voltage as 10 V DC
The V out is always equivalent to the V in
The input impedance is made much larger than the output impedance
The input impedance is made much smaller than the output impedance
You have discovered a small leak of oil at the manifold during discharging. What is you first action?
Do not bother.
Try to stop the leak.
Call the terminal.
Call immediately the person in charge.
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
Before engaging the Turning Gear, precautions should be taken to:
Open the indicator cocks and open the starting air supply
Close the inlet and outlet valves for cooling water
Transfer M/E control from control room to emergency control console of engine
Shut off the starting air supply and open the indicator cocks
Normally ventilation fans in enclosed ro-ro spaces must be run continuously whenever vehicles are on board, why?
It is better to run the fans continuously instead of testing the atmosphere
An increased number of air changes may be required when vehicles are being loaded or unloaded, or where flammable gases or liquids are stowed in closed ro-ro spaces
It is easier for the crew, they don't have to think about starting and stopping of fans
The manufacturer of the fans recommends continuous operation to reduce maintenance cost
Chemicals and harmful substances are safely stored in a designated locker on board, why?
For safety reasons. Many substances found onboard are capable of damaging the health and safety of those exposed to them. Before any chemical or harmful substance is delivered to a crewmember, the personnel shall receive training, instructions and information so that they know and understand the risks arising from use.
Chemicals and harmful substances must be kept away from passengers so that they don't steal it.
For safety reasons and stock control. When chemicals or harmful substances is delivered to a crewmember, the user shall sign for the amount received.
For stock control. Most of the chemicals and harmful substances we use on board are expensive.
All liquefied gas carriers, including LNG carriers, must follow the requirements of the IMO IGC code. What are the main areas covered by the IGC code for gas carriers?
Gas carrier navigational and operational procedures.
Gas carrier design and equipment.
Liquefied gas handling principles for ships and terminals.
Gas carrier cargo loading and discharge procedures.
As well as having temperature sensors located in the cargo holds some reefer vessels are also fitted with ethylene sensors. Why is it useful to have information regarding the ethylene content in a reefer vessel cargo hold when carrying fruit cargoes?
The ethylene content must be maintained to help ripen the fruit during the sea voyage.
Some fruit cargoes are sensitive to ethylene and the quality of the cargo can deteriorate as they may over-ripen.
The ethylene content can be used as a guide as to when air change fans need to run.
The ethylene content is beneficial to perishable cargoes in transit so the content needs to be monitored in case the level falls.
When we are taking "ullages", what are we actually doing?
Measuring the distance from the bottom of the tank to the surface of cargo
Measuring the distance from the bottom of the tank to the ullage reference point
Measuring the distance from the surface of the cargo to the ullage reference point
Measuring the distance from the surface of the cargo to the underside of the maindeck
Who is responsible for completing the DoS on behalf of the ship?
Chief Officer
Ship Security Officer
Company Security Officer
Chief Engineer
What name is given to the flat, flexible, round-tipped knife, used to remove baked food from trays and for spreading fillings?
Pancake knife.
Palming knife.
Palette knife.
Paring knife.
To whom should the Master immediately report a shipboard incident involving the loss overboard of dangerous goods?
The Flag state
Vessels in the immediate vicinity
The ship owner
The nearest Coastal state
Why does MARPOL require debottoming of tanks prior to COW?
To prevent electrostatic generation
In order not to mix crude and water
To prevent corrosion in COW machines and COW piping
To prevent corrosion of tanks
On a Container vessel, what prevents the installation of double stacking cones?
A homogenous container load
Out-of-gauge containers
Limitations in ship design
Restrictions in the cargo securing manual
What is a deck lift vehicle?
This is another term for a portable vehicle deck
A portable deck used to raise or lower vehicles
A vehicle used to raise or lower portable decks
A vehicle used to raise or lower decks on which vehicles are stowed
A cargo space is being prepared to load a refrigerated cargo. An inspection of the space has revealed some dark areas of mould on the bulkheads. Which of the given options is the best action to take in such circumstances?
Since the mould will be odourless it can be left in place.
The mould should be scraped off with a steel goose necked scraper.
The mould should be removed by scrubbing the area with clean water containing the correct concentration of an approved fungicide.
The mould should be painted over with an appropriate marine paint.
What is of utmost concern when steel cargoes are carried in a bulk carrier?
Bending moments being greatly exceeded in the seagoing condition
A relatively small range of stability as compared to carrying grain
The springing of hatch cleats as the vessel flexes due to torsional stresses
Deformation due to torsional stresses
The thermal conductance capability is expressed by a materials thermal conductance number and states the heat quantity. What is the denomination for heat quantity?
Enthalpy.
Joule.
Calorific value.
Watt.
What is the most utilised pump type for cargo discharge on a gas carrier?
Displacement pump.
Booster pump.
Hydraulic driven centrifugal pump.
An electrical operated submerged centrifugal pump.
What effect will a low operating temperature of the boiler feed water system have on the condition of the feed water supplied to a high pressure boiler?
It will cause the amount of chlorides in the feed water to increase.
It will cause the amount of dissolved oxygen in the feed water to increase.
It will cause the amount of total dissolved solids in the feed water to increase.
It will cause the pH value of the feed water to increase.
When small amounts of cleaning additives (detergent products) are added to water in order to facilitate the washing of tanks which previously contained liquid chemicals, what conditions apply?
No conditions apply provided not more than 200 litres per 1000 cubic metres of tank volume is used in any one washing operation.
The discharge shall be governed by the provisions of Annex I or II, which would apply to the additive had it been carried as cargo. Tank washing procedures involving the use of such additives shall be set out in the Procedures and Arrangements Manual and approved by the vessel's Flag State Administration.
If the additive contains Pollution category "X" products and more than 200 litres is used in the washing operation for a single cargo tank, then a prewash to shore must be carried out.
No additives containing Pollution Category "X" components shall be used, except those components that are readily biodegradable and present in a total concentration of of less than 10% of the cleaning additive. No restrictions additional to those applicable to the tank due to the previous cargo shall apply.
Which of the following is a staple part of the Scandinavian diet?
Rice
Rolled oats
Potatoes
Spaghetti
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
What could result from an experienced bulk carrier master loading containers that shifted en route?
Cargo interests could refuse to accept the cargo
The ship could be deemed uncargoworthy at the commencement of the voyage
The ship could be arrested by cargo interests
The vessel could be deemed unseaworthy due to the master’s inexperience with carrying containers
When a changeover from HFO to diesel oil is going to take place, we want this to be carried out as follows:
as fast as possible to save HFO.
as fast as possible to save steam.
slow to get slow cooling.
as quick as possible, to obtain a fast temperature reduction to cool the HP fuelpumps.
Why are drains fitted to hatch coamings of a General Cargo ship?
To drain water from the hatch covers
To drain water that enters the hatch coaming channel via the hatch seals
To drain water from hatch cover cross-joints
To collect debris that collects in the hatch coaming channel
Where should the vehicle belonging to a disabled person be placed?
Preferably near an elevator or a place where you have easy access to the stairways
Near the stairways
In the after part of the car deck
As close to the bow door as possible to avoid any traffic jam during discharging
What is important to prepare prior to a helicopter operation?
To stop the vessel completely
To increase the speed of the vessel
To light up the area for pick-up
Make sure all loose deck equipment at helicopter deck is stowed away and secured.
Emergency instructions in appropriate languages shall be posted in passenger cabins. Which information shall as a minimum be included in the emergency instructions?
Where to find thermal protective aids
Name of cabin attendant
Escape routes and alarm signals
The method of donning life-jackets, escape routes and alarm signals
On a RoRo vessel, why is it necessary to maintain safety markings/luminous paint on pillars in ro-ro decks?
To comply with the company's standing instructions
Because it is a port state control requirement
To comply with the ship's Planned Maintenance Schedule
To prevent damage during cargo operations
How is the pressure in the cargo containment system of a conventional LNG carrier controlled during normal operation?
By using the boil-off gas as fuel for the ships propulsion plant.
The gas vapour is evacuated to the atmosphere via the vent-line.
By varying the MARVS.
The gas vapour is taken from the vapour header and passed through the demister and into the LD Compressor and evacuated to the atmosphere via the vent mast.
Who has the responsibility to ensure that the highest standards of cleanliness and hygiene are maintained in the galley? (Select the most correct answer)
Every person working in the galley area, engaged in the handling or preparation of food.
The Chief Cook.
The Master.
The Superintendent.
What is the boiling temperature of methane at atmospheric pressure?
-43 C.
-162 C.
-152 C.
-172 C.
A crew member is seen to collapse on entering a cargo hold of a bulk carrier; what action should be taken?
First aid must be given
A full emergency must be declared
Inform Chief Officer
Crewman to be assisted out of hold
There are a number of different designs of tanks used for the cargo containment systems for liquefied gas carriers including independent tanks. How many different types of independent tanks are there in the IMO Gas Codes?
There are three types of independent tanks; Spherical tanks, Membrane tanks and Prismatic tanks
There are three types of independent tanks, type A, B and C
There are two types of independent tanks; type 1 and 2
There is only one type of independent tanks; Spherical tanks
You are alongside and the hoses have been connected for discharge. The jetty-man shouts across to you, telling you to start cargo. The Duty Officer has not yet given you any instructions to commence. What will you do?
Open the valves and start discharge as soon as possible.
Advise the jetty-man that there is a problem on board and you will notify him when you are ready.
Ignore the jetty-man. Do nothing.
Advise the Duty Officer and await further instructions. Ask the jetty-man to stand by.
What is the normal procedure for cooldown cargo tanks prior to loading LNG?
Pumping cold LNG through the spray header.
Pumping cold LNG to the bottom of the tank.
Pumping cold LNG through the heater.
Pumping cold LNG through liquid header.
A piston ring set for a trunk piston engine often includes a slotted ring tensioned by an internal spring. What is the purpose of this type of piston ring?
It is an oil control ring.
It is a ring to seal the crankcase from the combustion chamber.
It is the firing ring.
It is the lowest compression ring.
A mechanical seal, consisting of carbon and ceramic seal rings, is to be fitted to a cetrifugal pump shaft. What is the most likely result of not being extremely carefull when fitting this type of seal?
The spring and bellows for the seal can be easily damaged.
The rubber O rings for the seal can be easily damaged.
The seal rings are brittle and can be easily chipped or damaged.
The seal rings are hard and may score the pump shaft.
When measuring flow of fluids with a fixed area flow meter, the name of the sensing device is?
Float
Positive displacement rotor
Turbine rotor
Orifice plate
All heat burns should be
Covered with Gauze or bandage immediately
Applied with soothing lotion as soon as possible
Treated by the doctor only
Cooled as quickly as possible with running cold water for at least 10 minutes
Why are zinc anodes sometimes fitted to heat exchangers in seawater cooling systems?
To prevent fouling of the system.
To prevent scale formation in the system.
To prevent marine growth in the system.
To prevent corrosion of the metals used in the system.
What is understood by the term "a Combination Carrier"?
A general cargo ship
A ship designed to carry either oil or solid bulk cargoes
A ship designed to carry bulk cargoes in alternate holds
A ship designed to carry all types of cargoes
This circuit is a transformer with two windings, N(1) = 2000 and N(2) = 1000 turns, on a common magnetic circuit. Assume that there are no energy losses in the transformer itself. Calculate the output voltage V(2) when the input voltage is V(1) = 100 Volt.
V(2) = 200 V
V(2) = 50 V
V(2) = 10 V
V(2) = 400 V
What is a "hot work permit"?
A list maintained by the Chief Engineer on which are the names of those crew members who are qualified to operate the ship's welding equipment.
A document issued by an authorised person, permitting specified work to done for specified time in a defined area, employing tools and equipment which could cause the ignition of flammable gases.
A document issued by a shipyard chemist authorising shipyard employees to board a vessel for the purposes of structural repairs.
A document completed by a ship's officer, authorising entry into an enclosed space for the purpose of welding, cutting and grinding.
On a RoRo vessel, what is the Maximum Securing Load of single use wire ropes?
65% of the breaking strength
80% of the breaking strength
75% of the breaking strength
Where can the information be found as to what actual cargoes a liquefied gas carrier can carry?
Safety Construction Certificate.
Certificate of Fitness.
Safety Equipment Certificate.
SOLAS.
When securing cars on a RoRo vessel, what is the preferred lashing angle in any direction from the lashing point?
20 degrees
45 degrees
25 degrees
15 degrees
Which electronic component or system of components is this graphical symbol illustrating:
3-phase sine-wave generator
Bandpass filter
Transformer with ferromagnetic core
Electric heater
Why is it preferable to use white spirit rather than paraffin to remove traces of grease during cleaning of refrigerated cargo spaces?
White spirit is more effective at removing grease than paraffin.
White spirit does not leave an oily residue or odour.
White spirit is cheaper than paraffin.
White spirit is usually more readily available.
All liquefied gas carriers, including LNG carriers, must comply with the requirements of the IMO Gas Codes. Which certificate confirms compliance with the Gas Code requirements?
Cargo Ship Safety Equipment Certificate.
Cargo Ship Safety Construction Certificate.
Loadline Certificate.
Certificate of Fitness.
Where will you find instructions on how reduce or control an oil spill during bunker operations on a General Cargo vessel?
In the company's safety manual
In the Shipboard Oil Pollution Emergency Plan (SOPEP)
In the oil record book
In SOLAS 74/88
How will you find the Tipping Moment of a cargo item?
Transverse accelerations/10 x weight of cargo item x height of its centre of gravity above its base
Transverse accelerations/10 x weight of cargo item x height of its centre of gravity above the keel
Transverse accelerations/7 x weight of cargo item x height of its centre of gravity above its base
Transverse accelerations/7 x vessel's natural roll period
What is the benefit of prismatic Type "B" tanks?
The tanks do not form part of the ship's hull structure.
The ship's hull may act as the secondary barrier.
The tanks are completely self-supporting.
The benefit of maximising ship hull volumetric efficiency.
Frozen cargo such as lamb carcasses requires careful loading to ensure a neat and tight stow in the hold and requires the crew and stevedores to have considerable skill to achieve this. Which of the options given is the main reason for this?
The carcasses are difficult to pick up when handling.
The carcasses are heavy.
The carcasses are of an irregular shape.
The carcasses are often large.
On a container vessel why is it important not to exceed stack allowable weights?
The lashings can be overloaded
The GM can become excessive leading to high roll accelerations
Torsional effects on the hull
It can cause failure of the corner posts of the containers stowed at the bottom of the stack
In which situation might you have to use non-verbal communication with passengers?
There is an explosion in the cargo hold.
You are outside in a severe storm.
The ship's electrical system has failed.
The ship's communication system is not working.
What is the name of UN maritime division?
The UN maritime division is UNM (United Nations Maritime)
UN does not have any maritime division.
The UN maritime division is IMO (International Maritime Organisations)
The UN maritime division ISO (International Shipping Organisation)
How do you express the accuracy of an instrument
In % of full scale and to least significant digit
In % of gauge readings and to least significant digit
In % of deviation and to least significant digit
In % of range and to least significant digit
Which electronic component is this graphical symbol illustrating:
Silicon controlled rectifier
Transistor
Zener diode
Triac
With full load on the main engine, the turbocharger tachometer reads: Too low RPM. Why?
Turbocharger need to be cleaned/overhauled.
Damaged connection between pick-up and tachometer unit
Pick up for tachometer is wrongly adjusted
Pick up is not connected to turbocharger
If fuel or diesel oil is leaking from our HP fuel oil pumps, and penetrate into the lube oil system of the engine, the result may be:
No harm to the lube oil as long as we clean the lube oil strainers very often.
The inside of all lube oil piping, filters and the engine itself will participate in a cleaning process when the fuel or diesel are mixed with the lubrication oil.
It will destroy the properties of the lube oil and lead to serious damage in our engine.
It will dilute the lube oil so the lubrication in the engine becomes more effective.
Most of the engine makers recommend to change the cylinder head gaskets each time a piston overhaul is carried out. Why?
To increase the consumption of parts so they can make more money.
To be granted a proper sealing with a new gasket.
To obtain a proper sealing and correct distance between piston and cover in TDC position.
To avoid heat transfer to the cylinder head.
If inspection or repair of the boiler is due, the plant has to be shut down, and the boiler emptied for water. If time is available, which of the following procedures are correct?
The safety valve easing gear be operated and all the pressure released immediately after shut down.
The boiler be blown down to sea immediately after shut down.
The boiler be allowed to cool down by its own after shut down. Then pump the water out.
The feed water regulator to be bypassed and the boiler topped up with cold feed water immediately after shut down.
The most important preparation prior to Arrival to / Departure from ports is:
Control the frequency
Start an additional auxiliary engine
Control the power reserve
Control the fuel injection valve pressure setting
We have a problem with surging in the turbocharger. Which of the following could be the cause?
Dirty scavenging air cooler on the air side.
The lubrication oil pump is malfunctioning.
Worn out bearings on the turbocharger.
Dirty rotor blades.
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.