Головна Онлайн-тести CES Chemical tanker Deck Support Test online CES 5.1 for Deck department, Support level, Chemical tanker vessel

Онлайн-тестування: Test online CES 5.1 for Deck department, Support level, Chemical tanker vessel

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Тест складається із випадкових питань з обраної теми.

Питання 1 з 90

*In which one of the following an oil, the flash point of which only needs to be over 43°C, may be used?

In the kitchen

In the main engine

In emergency generators

In inert gas generators

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

Which of the four figures illustrated shows the correct position line for the following situation: Latitude 50°00'N, Longitude 30°00'W, Time 1200 GMT. Course steered: 090° True, Speed: 12 knots, bearing of the sun: 200°, Intercept correction: 00°02' Towards (observed altitude - computed altitude).

Figure 2 is correct.

Figure 3 is correct.

Figure 4 is correct.

Figure 1 is correct.

The tug has been released and is all clear. As officer in charge of that operation, should this be reported and to whom?

No need for reporting as the order was given from the bridge

Report all clear to the tug

Reported all clear to the Bridge

Report all clear to the Engine Room

The vessel is to anchor with Pilot onboard. Which of the suggested answers most accurately define the main duties of the Officer of the Watch on bridge?

Monitor the bridge equipment and keep the Master informed of all outputs

Assist the Master and pilot and monitor the ships position.

Follow Pilots orders and ensure the anchorage is carried out successfully

Follow the Master's orders at all times.

You are about to pass another ship in a close situation. What can happen in this situation?

Due to suction, the two ships will be sucked together

The two ships will be pushed towards the banks

The bow of your ship will be sucked towards the stern of the other ship

Your ship will not be affected in this situation

What is the crucial aspect in executing a voyage in a safe and efficient way?

The bridge equipment includes ARPA radar, GPS and ECDIS in full and effective operation

An effective detailed passage plan fully understood and followed by a competent bridge team.

All navigational equipment fully functional.

Bridge equipment effectively operating and being used efficiently

When fighting fire, why shall you never pour water into hot fat?

The water will explode into steam causing hot fat to be thrown far away thus possibly causing severe burns or fire.

The water will turn into steam and cause the fat to explode.

The fat will not be edible any more.

The fat will stiffen immediately and need reheating.

Your vessel have been in collision and you are not sure if your vessel is sinking or not. How will you handle this situation?

Leave the vessel and stay not closer than 5 nautical miles.

Search for missing persons. Continue to monitor situation and prepare for abandonment in case it become necessary.

Wait and see how the situation is developing.

Make sure that the life boat has as much bunker as possible and make you course for nearest land.

Chemical tankers are built with either "gravity" or "pressure" type cargo tanks. A "gravity" tank is one having a design pressure at the top of the tank of:

0.1 bar?

2.7 bar?

1.7 bar?

0.7 bar?

Which is the preferred method for starting an air conditioning refrigeration compressor which has been shut down for a period of time?

Start with all system valves fully opened.

Start with the discharge valve throttled in to prevent excess condenser pressure.

Start with suction valve throttled in to minimise risk of drawing liquid refrigerant into the compressor.

Start and stop repeatedly until suction pressure and oil pressure are normal.

You are inerting a cargo tank on an oil tanker, prior to gas-freeing for entry. What is the maximum oxygen content permitted in the inert gas main during this operation, as required by SOLAS 1974?

5% by volume.

2% by volume.

8% by volume.

12% by volume.

What must be checked before loading cargo in 'tween decks of a General Cargo Vessel?

The cargo stowed here must be for first discharge port only

The maximum allowed loading must be checked before commencing operations to avoid possible damage

These spaces can only be used for very light cargo

Only very heavy cargo units can be stowed here

Metal particles are found on the magnetic element of the main turbine lubricating oil filter. Which of the options is the most likely source of these particles?

Damaged reduction gearing.

Damaged blades on turbine rotor.

Damaged rotor journal.

Damaged rotor bearing shell.

What does MARVS mean?

Maximum ROB of Vapour.

Maximum Recovery Setting.

Minimum Allowed Relive Valve Setting.

Maximum Allowed Relive Valve Setting.

Ordinary thyristors (SCR) must often be protected against reverse overvoltage transients because even over-voltages of extremely short duration can destroy them. These circuits have been given such over-voltage protection, but only one of them is correct. Which?

Figure 2

Figure 3

Figure 1

Figure 4

Which of these is not covered in the chain register?

Deck cranes

The engine room gantry crane

Derricks

The gangway winch

You are proceeding along a narrow channel in front of another vessel, both heading for port. You hear this signal from the vessel behind you. What does it mean?

I am faster than you. Get out of the way.

I intend to overtake you on your starboard side.

I intend to overtake you on your port side.

I am operating astern propulsion.

On a Container vessel, what must be done as soon as reefer containers have been loaded?

Their setting temperatures must be verified

They must be connected to the ship's power supply and their setting temperatures verified

Their stowage positions must be reported to the duty officer

They must be connected to the ship's power supply

A conventional reefer vessel is carrying a cargo of chilled palletised fruit. During a period of bad weather some of the bottom cartons on a pallet have compressed causing the pallet to distort, resulting in the cargo leaning to one side. Which of the options given is the safest way to discharge the cargo from the affected pallet?

Place the pallet in a lifting cage and lift it slowly.

Break the pallet down and re-stow the cartons so that the pallet is stable and then lift it in the normal way.

Place the pallet in the centre of a three point A-frame and lift it carefully.

Lift the pallet with cargo strops and have all personnel stand well clear.

"If drugs or suspected drugs are found onboard your ship, follow the five C’s. Confirm, Clear, Cordon, Control and:"

Check

Chuck

Change

Cheer

Which of the following food types or food components listed below is considered to be dangerous to health if consumed on a regular basis?

Soft fruit.

Root vegetables.

Moderate volumes of fibre.

High levels of sodium.

When measuring the liquid level in the cargo tank of a liquefied gas carrier a number of different corrections may be necessary to get a true reading. Why do readings obtained from a float type ullage tape sometimes require a 'tape correction'?

The vessel may not be on an even keel when the readings are taken.

The length of tape in contact with very cold cargo vapours may contract.

The vessel may have a list when the readings are taken.

The float may become heavier and partly sink due to liquid cargo absorption.

When do vertical accelerations acting on containers reach their maximum values?

When a ship is changing direction at its extreme angle of pitch and roll simultaneously

During resonant rolling

When a ship surges

When a ship is changing direction at its extreme angle of pitch

To avoid overbunkering and oil spill, it is very important that we keep a close monitoring of the bunkering progress, and this is done by sounding and calculations, the most reliable way is:

The remote gauge system will provide us with the necessary information

Take ullage soundings in the tanks from deck

Calculate time and flow, to find out how much oil is received

A combination of ullage soundings and readings from the remote gauges

What causes shock loads in a container lashing system?

Ship torsion

Loose cargo lashings

Resonant rolling

Ship vibrations

On a RoRo vessel, what are sea sloshing forces proportional to?

The overall breadth of deck cargoes

The maximum breadth of under-deck cargoes

The maximum height of under-deck cargoes

The overall height of deck cargoes

Which of these is addressed in the latest amendment (34-08) of the IMDG Code?

The classification of Marine Pollutants as environmentally hazardous substances

Mandatory training provisions

All

Marking requirements for Marine Pollutants

What is the meaning of the term "Steady as she goes" when acting as helmsman?

Reduce the number of helm movements used when steeriing a set course

Try to reduce the continuous swinging either side of the course when steering a compass course.

Keep the applied rudder constant until the next helm order.

While altering the ships head, the instruction "steady as she goes" means reduce the ships swing as rapidly as possible and steady on present course

Which statement is true about loading lifeboats?

Passengers with physical disabilities should go on life rafts.

Passengers with physical disabilities should go on lifeboats.

Only passengers with physical disabilities should go on lifeboats.

Passengers with physical disabilities are loaded from a floating platform.

When checking the cylinder pressures of a 6 cylinder medium speed diesel engine it is found that one of the cylinders has a high maximum pressure. What is the most likely cause of this?

Fuel pressure to the engine is too high.

Exhaust valve on the cylinder with the high pressure is leaking.

Fuel timing to that cylinder too far advanced.

Fuel timing to that cylinder too far retarded.

This circuit consists of a voltage source V, a change-over switch S, a resistor R and an inductor L. The voltage/time figures 1 to 4 show possible changes in the voltage V(L) in case the switch S is suddenly shifted from position 1 to 2 at time t = 0. Only one of the diagrams is correct. Which?

Figure 4

Figure 2

Figure 3

Figure 1

A hazard is is a source of potential harm or damage or a situation with potential for harm or damage. Risk is determined based on evaluation of two elements. Which two elements?

The consequences of the hazardous event and the available personal protective equipment we have onboard

The likelihood that a hazard may occur and the consequences of the hazardous event

The likelihood that a hazard may occur and the available personal protective equipment we have onboard

The likelihood that a hazard may occur and the financial consequences for the Company

Which characteristic of chlorine makes it different to most of the other liquefied gas cargoes carried at sea?

Chlorine is lighter than air so the vapours will rise.

Chlorine is non-toxic.

Chlorine cannot be transported under pressure.

Chlorine is non-flammable.

When cargo discharge reaches stripping levels on an oil tanker, it is necessary to reduce the inert gas pressure. Why is this?

To avoid over-capacity in the IG generator.

To avoid locking the cargo pump impeller.

To minimise blowback.

To comply with MARPOL Annex VI.

What would be the correct form of response to the question: What kind of assistance do you require?

The correct form of response would be: There is a fire onboard my vessel

The correct form of response would be: I need help as soon as possible

The correct form of response would be: I need help on board with a fire and the smoke is very toxic

The correct form of response would be: My vessel has a fire in the accommodation and we require fire-fighting assistance

What is the main purpose of the superheater vent valve on a high pressure steam boiler?

To remove air from the superheater.

To contol the superheater pressure during operation.

To remove water from the superheater.

To ensure a flow of steam through the superheater when raising steam pressure or when the boiler is not on-line.

On the figure there are four (4) possible definitions of the term "AIR DRAUGHT" given. Which one is the correct one?

Air draught is given by B on the figure

Air draught is given by A on the figure

Air draught is given by D on the figure

Air draught is given by C on the figure

Which of the following type of crude oil requires special consideration in terms of carriage and cleaning?

Medium Crude.

Paraffinic Crude.

Reconstituted Crude.

Sweet Crude.

If a cargo has a literweight 0f 1.5 kg/l at 15° and a correction factor of 0,001, what is the literweight at 20° C ?

1.495 kg/l

1.4995 kg/l

1.505 kg/l

1.5005 kg/l

What is the correct definition of "lee side"?

Port side.

The side from the wind.

The side against the wind.

Starboard side.

What type of ships are LNG carriers as designated in the IMO IGC code?

Type 2G ship.

Type 3G ship.

Type 1G ship.

Type 2PG ship.

On a General Cargo Vessel, what do Tonnes per Centimeter Immersion (TPC), Moment to Change Trim by one Centimeter (MCTC) and Longitudinal Centre of Floatation (LCF) have in common?

They vary with small angles of heel

These vary with the gross tonnage of the vessel

They vary with changes in displacement

They remain unaffected by changes in displacement

A reefer vessel is to load a part cargo of frozen beef hocks (large joints of beef, usually quarters, not packed in cartons). In deciding which would be the most appropriate space on a conventional reefer vessel, which of the given options would be the preferred choice?

Any space will be acceptable as this is a hard frozen cargo and relatively easy to handle and carry.

4A deck as this is the largest square space on the vessel and will allow good access and air flow for the cargo.

A cargo space low in the vessel as this cargo has a relatively high stowage factor.

1C deck as this is the narrowest space on the vessel and will best constrain the cargo from any possible movement during the voyage.

You are experiencing large hunting on the fresh water cooling system. What is the reason?

The cooling water temperature is too low.

The expansion tank is empty.

You have a cracked liner, or cover.

The fresh water circulating pump is worn out.

A lubricating oil having a high viscosity index number would normally be used in which of the following situations?

When the machinery operates at a very high temperature.

When the machinery operates at a high load.

When the machinery operates at a very low temperature.

When the machinery operates over a wide temperature range.

What is meant by the term 'feel over sequence' as applied to diesel engine operation following replacement of a crankshaft bearing?

Using the hand to feel for any loose fastenings or sharp edges before starting the engine.

Stop the engine after 2 hours running to check the bearing temperature by running the hand over it.

Stopping the engine to check the bearing temperature after a short period of operation and repeating this procedure at increasing running intervals.

Running the engine at low load and gradually increasing the load over a period of 12 hours.

Which of the following substance is ozone-depleting?

Ammonia

CO2

Halons

Neon

What is the maximum quantity of cargo permitted to be carried in a single tank on a type 2 chemical tanker?

3400 cubic metres

3000 cubic metres

2400 cubic metres

2750 cubic metres

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

What is the absolute maximum size for a cargo tanks on oil tankers?

Maximum 40,000 cubic metres.

Maximum 35,000 cubic metres.

Maximum 20,000 cubic metres.

Maximum 30,000 cubic metres.

The exhaust gas temperatures of all cylinders of a diesel engine are seen to be high. Select, from the options given, the most likely cause of this.

Poor fuel oil quality.

High wear rate in one of the fuel injection pumps.

One of the fuel cams is worn.

Insufficient cooling of the main bearings.

What is the maximum allowed filling limit given by IMO for the cargo tanks of LNG carriers?

95%

98%.

100%.

90%.

Medium and high speed diesel engines used for marine propulsion normally require a reduction gearbox to be fitted in order to achieve suitable output speeds for the propeller. What device is normally required in the drive arrangement in order to avoid damage to the gearing due the torque variations of the diesel engine output?

A flywheel.

A moment compensator.

A flexible coupling.

A mechanical friction clutch.

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

You notice the sump level in an engine has increased and no new oil has been added. What action would you take?

Reduced the load, and look after fuel or water leak.

Stop the engine and look for a fuel or water leak.

Drain some oil from the engine.

Leave it the same.

In the ISGOTT Guide, petroleum products are divided into two general groups for the purposes of indicating flammability, based on flashpoint and vapour pressure. These two groups are named 'Volatile' and 'Non-volatile'. To be considered Non-volatile, which of the following criteria must be met?

With a Flashpoint of 60 degrees C or above (open cup method), these liquids produce, when at any normal ambient temperature, equilibrium gas concentrations above the Upper Flammable Limit.

With a Flashpoint of 60 degrees C or below (closed cup method), these liquids produce, when equal to or below any ambient temperature, gas concentrations of less than 5% by volume.

With a Flashpoint of 37.8 degrees C or above (open cup method), these liquids produce, when at any normal ambient pressure, equilibrium gas concentrations below the Lower Flammable Limit.

With a Flashpoint of 60 degrees C or above (closed cup method), these liquids produce, when at any normal ambient temperature, equilibrium gas concentrations below the Lower Flammable Limit.

If an enclosed space needs to be entered, what is the first thing that must be done?

A responsible person must be appointed

The chief officer must be asked for permission to enter the space

A full Risk Assessment must be caried out

Two crew members must be asked to stand-by outside the space

How is responsibility for the stowage and securing of containers determined on multi-purpose vessels?

By wording in the charter party

By advice from the Supercargo

Responsibility always lies with the charterer

Responsibility always lies with the attending surveyor

Where shall you be able to activate the ship security alert system on board passenger ships?

Captain's office

Navigation bridge

From the navigation bridge and in at least one other location

Captain's- and Chief Officer's office

If a boiler is smoking “white smoke” a possible cause can be

Too high fuel oil pressure

Too little combustion air

Faulty burner tip

Too much combustion air

Which of these weapons are widely available and commonly used by criminals and terrorists to further their aims?

Liquid explosive

Gun

Vehicle borne device

Incendiary device

Where would you look for definitive information on whether a particular cargo is classified as a "Noxious Liquid Substance"? (Other than products provisionally assessed).

The pollution category column of chapters 17 or 18 of the International Bulk Chemical Code (IBC Code).

The product groups within the list of cargoes contained in the Chemical Data Guide for Bulk Shipment by Water.

The Procedures and Arrangements Manual.

The pollution category of chapter 17 (only) of the International Bulk Chemical Code (IBC Code).

Why is it necessary to have routine testing of the cooling water?

To trace leakage in the cooling water system.

To detect the presence of contaminants in the water that may be injurious to the cooling system.

To ensure that the proper residuals of treatment chemicals, as specified, are maintained all time.

t is not necessary.

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 is the most common method of connecting the manifold of an LNG carrier to the shore terminal pipelines?

By special sections of portable steel pipe.

By permanently fixed metal hard arms.

By composite hoses suspended from a boom with a swinging arm.

By flexible rubber hoses.

What should be continuously monitored when carrying DRI cargoes?

Hydrogen emissions

Integrity of the inert gas blanket

Nitrogen emissions

Cargo temperatures

What are the requirements for heat exchangers that are used for heating the cargo during cargo handling operations on an LPG carrier?

The only requirement is that they must be designed and tested to tolerate minus 48 degrees C

They must be designed to withstand temperatures of minus 162 degrees C.

The only requirement is that they must be able to raise the cargo temperature to above 10 degrees C for transfer to shore storage tanks.

They must be designed to withstand the expected operating conditions with respect to pressure and temperature and the materials must be compatible with the cargo.

What dangers are associated with using a steep loading ramp?

The ramp's hoisting wires can be damaged

The ends of ro-ro units can be damaged

It will not be possible to drive vehicles off the ramp

The ramp may slide off the pier

When should the Second Officer call the Master?

The Second Officer should call the Master whenever he sights more than three ships

The Second Officer should call the Master just before breakfast

The Second Officer should call the Master thirty minutes prior to the vessel's arrival at the pilot station

The Second Officer should call the Master whenever anything unusual happens during his watch or whever he is in doubt, regarding the COLREGs

On a conventional reefer vessel the 'tween decks and lower hold are provided with scuppers leading into the hold bilges. The scuppers normally designed with a U-bend or non-return bend. Complete the following statement from the options given. "Prior to loading a cargo of hard frozen products the U-bend should be…

…filled with clean fresh water."

…filled with clean sea water."

left empty."

…filled with brine."

Which is the "STARBOARD QUARTER", in the figure?

The Starboard quarter is C, in the figure

The Starboard quarter is B, in the figure

The Starboard quarter is A, in the figure

The Starboard quarter is D, in the figure

What necessary precautions should be taken before entering a tank or an enclosed space?

Use a breathing apparatus if the oxygen level is below 21%

Remember to have a colleague standing by to assist you if any problems

Bring a flashlight and put on safety shoes

Make sure that the tank/ enclosed space is gas free, ventilated and the oxygen content is measured. O2 content shall be 21% before entering the tank/ enclosed space

What does the term "Hard a Starboard" or "Hard to Starboard" mean?

Start the ship swinging to starboard.

Do not allow the vessel to swing to port.

The wheel is difficult to turn to starboard.

Put the wheel fully over to starboard.

How many separate means of escape from passengers and crew spaces should it be in each zone?

One

Two

Four

Three

How should the Bo's'un prepare for anchoring?

The Bo's'un should prepare for anchoring by hoisting the anchor ball

The Bo's'un should prepare for anchoring by walking back the anchor to five shackles in the water

The Bo's'un should prepare for anchoring by applying the windlass brake, then disengaging it

The Bo's'un should prepare for anchoring by lubricating the spurling pipe

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.

The Code of Safe Practice for Cargo Stowage and Securing was prepared to give guidance in which of the following cases.

Guidance for Port State Control Officers when carrying out ship inspections.

Guidance on securing of cargoes in hazardous ocean areas.

Preparation and content of the Cargo Securing Manual.

Ship specific guidance relating to securing of deck cargoes.

Why should all bulk cargoes be trimmed and levelled on completion of loading?

To assist in the discharge

To prevent flammable gasses being generated

To reduce the possibilities of the cargo shifting at sea

To reduce the risk of cargo damage on passage

Special "additives" are sometimes blended with, or added to, chemical cargoes to prevent polymerisation, decomposition or oxydation while they are in the ship's tank on a long voyage. What general term is given to these additives?

Inhibitors.

Preventors.

Activators.

Limiters.

Chemical boiling out is one method that is used for cleaning the waterside of a steam boiler. Select from the given options the likely circumstances under which this procedure would be considered necessary?

Contamination of the boiler water by oil.

Excess chloride levels in the boiler water.

Excessive sludge build up in the water drum.

Oxygen pitting in the steam drum.

What is the correct name of the part highlighted in the sketch?

Exhaust valve

Air inlet valve

Cylinder relief valve

Cylinder head

Liquefied gas is, by IMO, divided into different groups. What is the criterion for this division?

The boiling point, chemical bindings, toxicity and flammability.

The gas pressure.

The nitrogen and hydrocarbon content.

The hydrate formation.

You are burning garbage containing plastics. What shall you do with the ashes from the vessel's incinerator?

Discharge the ashes to a shore facility

Discharge the ashes at sea providing you are more than 25 nautical miles offshore

Discharge at sea providing you are not in any river or estuary

Nothing, ashes from any substance which is incinerated can be discharged over board

What is the approximately efficiency of the ejector?

The ejector's efficiency is between 20% and 30%.

The ejector's efficiency is between 30% and 40%.

The ejector's efficiency is between 70% and 80%.

The ejector's efficiency is between 60% and 70%.

What will you do if you are helmsman and the OOW (officer on watch) gives you the order: “Port 20” and after a while the order: "Ease to 10"?

Turn the wheel until the rate of swing of the ship is 20 degrees per minute and then after the second order, reduce the wheel to make it swing at only 10 degrees per minute

Change the compass course to a new heading which is 20 degrees to port of original heading and then after the second command reduce it to only 10 degrees to port of original heading

Apply the wheel to alter the course 20 degrees to port and then after the second command change the heading a further 10 degrees

Apply 20 degrees of rudder towards port and then after the second command reduce the wheel to 10 degrees.

What is associated with carrying logs on General Cargo vessels?

Moisture absorption in the cargo holds

Increased levels of oxygen in the cargo holds

Spontaneous combustion

Oxygen depletion in the cargo holds

How is cargo in a self-unloading bulk carrier fed to the vessel’s conveyor belts during discharge?

Via remote-controlled hopper gates at the bottom of each hold

Via hydraulically-operated hopper gates at the bottom of each hold

By gravity through mechanical hopper gates at the bottom of each hold

Via mechanically-operated hopper gates at the bottom of each hold

When must side scuttles in passenger ships where the sills are below the margin line be kept closed and watertight?

When unwatched

Always during night-time

When not necessary to be kept open due to work being carried out aboard

During navigation between ports

Where do we find information about the ships fire preparedness?

Information about the ships fire preparedness is found at the fire station

Information about the ships fire preparedness is found in the deck log book

Information about the ships fire preparedness is found in the muster list

Information about the ships fire preparedness is found in the company QA manual

Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.