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

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The Urgency Message from a ship is used to notify other traffic of a situation where the ship is not in imminent danger, but where the development of the situation is uncertain and may need assistance in the near future. What is the telephony urgency message like?

RESCUE-RESCUE

SECURITE

PAN-PAN

MAYDAY

You are to turn your vessel in a narrow canal by use of two tugs with the same power. The wind varies in the range moderate/strong. Where/how would you use the tugs?

Pushing, made fast in the vessel

One tug pushing, one tug pulling

Pulling, made fast in the vessel

Pushing, not made fast in the vessel

Your ship is approaching the berth as illustrated and has a right handed propeller and no thrusters. What could be a method to retain full control of the vessel as it comes alongside?

Reduce speed by going astern on the engines.

Let go port anchor to about 1 shackles on deck

Full starboard rudder and stop engines

Let go starboard anchor to about 1 shackle on deck

What is the correct understanding of the term "a ship with good Directional Stability"?

A ship which when the rudder is left amidships, it will continue on approximately a straight course

A ship where the amount of positive transverse stability (GM) will vary with the direction of the ship's head.

A ship which will maintain its course unless large rudder angles are applied.

A ship which when a rudder angle is applied and the ship starts to swing, will continue to swing even after the rudder is returned to amidships

What VHF-channel is according to the rules of the GMDSS, appointed for mutual radiotraffic between ships at sea (with the exception of co-ordination of shipping movements and other kinds of communication …………… to safety:

channel 13

channel 06

Don't know

channel 16

Which one of the listed requirements regarding life-saving appliances corresponds to present regulations?

All prescribed life-saving appliances shall be made of non-combustible or fire retardant material

All prescribed life-saving appliances shall have marking in red colour

All prescribed life-saving appliances shall be of such a colour that they are in contrast to the surrounding colour

All prescribed life-saving appliances shall be fitted with the manufacturers name and Logo

How many two-way VHFs is required for ships over 500 brutto?

3 sets

One per lifeboat and one spare

1set

None

When you are taking an "ullage" on a cargo tank on an oil tanker, what are you actually doing?

Measuring the distance from the surface of the cargo to the ullage reference point

Measuring the distance from the bottom of the tank to the ullage reference point

Measuring the distance from the bottom of the tank to the surface of cargo

Measuring the distance from the surface of the cargo to the underside of the maindeck

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 precaution must be taken when painting on deck during cargo operations?

There must be an established means of communication between crew members and the duty officer

A spray gun not be used

Cargo hold fan inlets near paint areas must be closed

There must be an established means of communication between crew members and the bosun

What is the purpose of the deck water seal on the deck of an oil tanker?

To prevent the passage of petroleum gases back to the machinery spaces.

To automatically compensate for temporary fluctuations in inert gas pressure within the cargo spaces.

To provide a second washing cycle to inert gas.

To automatically adjust the inert gas flow.

What are the required data inputs into most gyro compasses to reduce any possible compass error?

All of the data in the suggested answers

Latitude and Speed

Maximum helm angle and rolling period

Deviation and Variation

Ethylene is normally carried on fully refrigerated liquefied gas carriers at its atmospheric boiling point. What is the approximate atmospheric boiling point of ethylene?

Minus 162 degrees C

Minus 48 degrees C

Minus 104 degrees C

Minus 10 degrees C

Which of the statements given in the options relating to LNG carriers is true?

LNG is normally carried in fully pressurised gas carriers.

LNG is always carried at very low temperature.

The size of an LNG carrier is limited to no greater than 50,000 m3 cargo capacity.

All LNG carriers are fitted with spherical tanks.

What is meant by a two stage compressor ?

Two stage air compressors have the capabillity to compress air in stage one and dry the air in stage two.

The compressed air goes back from stage two and into stage one to get extra pressure before it goes into the starting air bottles.

The two stage air compressor take some air from the surraundings to stage one and compress and some air from the surraundings to stage two and compress.

Air from stage one goes through discharge valves in stage one and through suction valves into stage two. In stage two it will be compressed to high pressure air.

Double-bottom tanks of a General Cargo ship are to be ballasted with sea water; which of the following are the most important checks to be made ?

All air vent pipes open and clear, pipeline valves open to correct tanks and other tank valves checked closed

All air vent pipes open and clear, pipeline valves closed to correct tanks and other tank valves checked open

All air vent pipes closed ,pipeline valves open to correct tanks and other tank valves checked closed

All air vent pipes open and clear, pipeline valves open to all tanks

What would be a typical oil feed temperature for purifying heavy fuel oil in a centrifuge in order to ensure good separation?

105 - 108 Celsius.

95 - 98 Celsius.

85 - 88 Celsius

75 - 78 Celsius.

What is the full name of the International Convention dealing with stability of passenger ships?

The International Convention for the Safety of Life at Sea

ISPS

International Safety Management code

SOLAS

When checking the zero point on a combustible gas indicator that is to be used to detect hydrocarbon gases in an empty cargo tank which method should be used from the options given?

Pass oxygen gas through the sample chamber

Pass fresh air through the sample chamber.

Pass carbon monoxide gas through the sample chamber.

Pass methane gas through the sample chamber.

What arrangement may be installed in passenger ships to reduce unsymmetrical flooding in damaged condition?

Self acting ballast trimming arrangement

Separate trim tanks

Ballast trimming system

Cross flooding arrangement

What pressure is present in the crankcase of a vapour compression refrigeration compressor?

The same as the discharge pressure.

The same as the atmospheric pressure.

The same as the lubricating oil pressure.

The same as the suction pressure.

What would you suspect has happened if the lubricating oil for an air compressor has a milky white appearance?

Water contamination of the oil.

Wrong grade of oil has been used.

Oil temperature has been too high.

Air contamination of the oil.

How would pirates attacking a ship be communicated to another ship?

"My ship is under attack by pirates"

"My ship was under attack by pirates"

"My ship has pirates"

"My ship will be under attack by pirates"

s it required that the PA-system (Public Address) is connected to a back-up power sypply?

No, the crew will inform the passengers in case of any black out or power failure

Yes, only if the voyage is more than 12 hours

Yes, the public address system shall be connected to the emergency source of power

Prior to ordering stores for any department;

The store inventory should be checked so that you order only the items required

Consult the ISSA catalogue to ascertain what stores are available for ordering

Ask the departmental head for a list of store to be ordered

Consult the ISSA catalogue and order whatever is available but not on board

What do we mean with LEL when measure the atmosphere?

LEL is low level alarm

LEL is limit for level alarm

LEL is lowest temperature for ignitionLEL is limit for level alarm

LEL is lower explosive limit

What might safely be used to prevent a load swinging when lifted by a crane?

Personnel underneath the load, holding onto it and restricting its movement.

Guide or tag lines, tended from a safe location.

A cargo net.

Short, jerky movements on the ship's controls.

It is required that a crewman enters a refrigerated compartment containing produce at minus 60 degrees Celsius. Which of the items of personal protective equipment given in the options is the most important for the crewman to wear?

A hard hat.

Thermal underwear.

Insulated gloves.

Insulated overalls

How is stability affected during Parametric Rolling?

By a virtual loss of GM

By development of a negative GM

By rapidly changing waterplane areas

By heaving rolling and pitching

What are the effects of a bulk vessel loading a high density cargo resulting in a large metacentric height (GM)?

Suffer torsional stresses and have small righting levers

Have a slow roll and very small righting levers

Have a fast roll period and possibly suffer racking stresses

Have a slow roll and large righting levers

When will the Hague-Visby rules apply on a General Cargo vessel?

When animals are carried

When cargoes are carried on deck

When cargo is carried under a bill of lading

When a vessel operates under a charter party

The figure shows a cross section through a ship floating in water, with the hull in red and the seabed below the ship shaded. On the figure there are four (4) possible definitions of the term "FREEBOARD" given. Which one is the correct one?

Freeboard is given by B on the figure

Freeboard is given by C on the figure

Freeboard is given by A on the figure

Freeboard is given by D on the figure

A 6-Volt relay is to be used with a 12-Volt power supply. The relay requires a current of 0.1 Amp. What is the series resistance required.

480 ohm

120 ohm

80 ohm

60 ohm

During inspection and overhaul of a 2-stage reciprocating air compressor the main and bottom end bearing shells are found to be heavily scored with parts of the overlay and bearing metal breaking away. The crankshaft pins are found to have only very light surface scratches. Which of the given options is the best action to be taken to remedy the problem?

Clean up the bearing surface and crankshaft pins with scrapers and grinding paste and refit them. Refill the crankcase with clean oil.

Refit the shells and refill the crankcase with clean oil and run the machine so that the bearings wear themselves back in.

Replace the bearing shells with new spares after cleaning out the crankcase and refilling with clean oil.

Replace the bearing shells and crankshaft with new spares and refill the crankcase with clean oil.

What is the meaning of "stand by"?

That you shall keep on with your work.

That you are properly relieved from your duties.

That you shall stand very close to the engineer officer.

That the watch keeping personnel shall be ready for starting or manoeuvring the main engine.

Is there any requirements regarding double bottom for large passenger ships?

Yes, in ships of 76 m in length and longer, a double bottom shall be fitted amidships, and extend to the fore and aft not less that ? of the ship length.

No, a double bottom is not required

Yes, in ship of 76 m in length and upwards, a double bottom shall be fitted amidships, and shall extend to the fore and after peak bulkheads, or as near thereto as practicable.

Yes, a double bottom shall be fitted amidship

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.

Which of the following international regulations is normally used when handling dangerous goods?

IMDG code

SOLAS code

KLMNG code

HB code

How would you ventilate your cargo holds when sailing from cold climate to hot climate?

No ventilation should be done?

Ventilate at intervals during the night?

Ventilate at intervals during the day?

Ventilate excessively?

What should a duty crew member do immediately upon observing funnel soot emissions?

Inform the duty engineer

Inform the chief officer

Inform the master

Inform the duty officer

During maintenance work on a compensated mechanical hydraulic governor air is drawn in to the hydraulic circuit after draining and flushing out the unit. Which of the actions given in the options is most likely to assist in the removal of the air from the system?

With the governor in operation open the compensation needle valve to introduce instability and disturb the engine load to make the governor hunt.

With the governor in operation close the compensation needle valve and disturb the load to make the engine hunt.

Overfill the governor with fresh oil to force all of the air out.

Drain the governor again and slowly refill with fresh oil.

During maintenance of a piston rod stuffing box on a large, slow speed diesel engine it is usual to measure the butt gaps between the sealing ring and scraper ring segments. What would be the effect of these gaps being too small?

If the gaps are too small they could close due to the radial wear of the rings before the next scheduled overhaul preventing the rings from contacting the piston rod and sealing it.

If the gaps were too small then no oil could pass up the piston rod to lubricate the sealing rings.

If the gaps are too small the rings could score the piston rod.

If the gaps are too small then the flow of scavenge air through the gland would be reduced and the gland would overheat.

On a Container vessel, what is the function of a buttress?

To support the lowest tier of containers in a non-cellular cargo hold

When used at the base of container stacks its prevents the tank top plating from being pierced

To support container stacks in a non-cellular cargo hold

To support the lowest tier of containers in a con-bulker's cargo hold

With reference to using centrifuges for cleaning fuel and lubricating oil what is the difference between a purifier and a clarifier.

Clarifiers are used when water is present in the oil.

In a clarifier only solids are removed from the oil, whereas in a purifier both solids and water are removed from the oil

Purifiers are used when only solids are present in the oil.

There is no difference, both use centrifugal force

What is the difference between an independent tank type A and independent tank type C

Independent tank type C is spherical tank

Independent tank type A is prismatic tank

There is no different on the two types

Independent tank type A need secondary barrier

Three earth lamps indicate - bright - bright - dark. Which of the following is indicated by this condition?

Two phases are good and one has a partial fault to earth

Two phases are good and one has a hard fault to earth

No faults on the system but a failed lamp

Two phases have a partial fault to earth and one is good

Which of the 4 alternatives shows the symbol for a PNP transistor?

Figure 4.

Figure 3.

Figure 2.

Figure 1.

What is an unsaturated hydrocarbon?

Unsaturated hydrocarbons are colourless and odourless liquids and they are chemically reactive

Unsaturated hydrocarbons are colourless liquids with a sweetish odour, they are chemically non-reactive and have to be carried under high pressure

Unsaturated hydrocarbons are colourless and odourless liquids and they are chemically non-reactive

Unsaturated hydrocarbons are colourless liquids with a sweetish odour and they are chemically reactive

You have just completed your tank cleaning programme for a set of tanks that previously contained Toluene. What will the main hazard be when you enter the tanks for mopping and inspection?

The lower part of the tank may still be wet and slippery. You may not be able to see this from the deck.

The atmosphere inside may contain insufficient oxygen to support life, or toxic vapours, or both.

There will commonly be insufficient natural light to safely descend the access ladder.

That there may hydrocarbons present on the bulkheads.

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.

For safety reasons and stock control. When chemicals or harmful substances is delivered to a crewmember, the user shall sign for the amount received.

Chemicals and harmful substances must be kept away from passengers so that they don't steal it.

For stock control. Most of the chemicals and harmful substances we use on board are expensive.

When you are calibrating an instrument what is the most common first step in the procedure (consult the manual)

Adjustment of Zero-point and span

Adjustment of span

Adjustment of range

Adjustment of linearity

Use Kirchoff's voltage law and Ohm's law to calculate the voltage V(2) across the resistance R(2).

0,75 V

2 V

4,5 V

6 V

On a RoRo vessel, which of the following is likely to tip over in heavy weather?

Cargoes with low centres of gravity

Flatbed trailers

Vehicles

Cargoes with high centres of gravity

How should steel wire rod coils be stowed?

With their cores aligned athwartships

With their cores aligned vertically

With their cores aligned fore and aft

With their cores aligned alternately fore and aft and athwartships

Which of these actions should crew take if a suspicious object that may be a bomb is located during a search?

Cover the suspicious object with a box or blanket.

Place the object in a desk drawer or file cabinet.

Throw the object overboard.

Confirm with their search partner that the object found is suspicious.

Do we find integral tanks as cargo tanks on gas carriers?

Integral tanks are normally not allowed on gas carriers other than LPG carriers

Integral tanks are allowed on all types of gas carriers

Integral tanks are normally not allowed on gas carriers if the cargo to be carryed have boiling point less than –10oC at atmospheric pressure

Integral tanks are normally allowed on gas carriers if the cargo to be carryed have temperature above –10oC

A power card taken from a diesel engine cylinder using a mechanical indicator has a flat top. Which of the possible actions given in the options is most likely to correct this irregularity on the power card?

Lengthen the cord for the indicator drum drive.

Lubricate the indicator piston and cylinder.

Shorten the cord for the indicator drum drive.

Change the indicator spring for one with a higher rating.

What is the boiling temperature of methane at atmospheric pressure?

-43 C.

-162 C.

-152 C.

-172 C.

In accordance with SOLAS and other international regulations, certain important machinery functions, such as operation and control of the steering gear and propulsion machinery, must be tested at specified times. When should these tests be carried out?

Only following maintenance.

Only at stand by engines.

Prior to arrival and departure from port and following maintenance.

Only following drydock.

How do container ships without hatch covers comply with the International Convention on Load line Rules?

An International Load Line Exemption certificate will be issued in accordance to Article 6.

A special movable deck is provided to ensure watertight integrity

There will always be hatch covers on ships to comply with the International Load line Rules

This type of container ship does not need to comply with the Load line Rules

A bulk coal cargo is to be loaded and the moisture content is declared as 19 ; the transportable moisture limit of the cargo is declared as 15, what should the Master do?

Load the cargo as the moisture limits are within acceptable limits

Refuse to load the cargo unless the vessel is specially designed for the carriage of cargo which may liquefy

Load part cargo only

Load cargo and ventilate on passage to remove water

Many conventional reefer vessels are built with wooden gratings that support the cargo above the steel deck of the vessel. These gratings are typically carried on 50mm x 100mm wooden bearers. From the options given, select the most important consideration in relation to these wooden bearers.

The bearers must all be placed running in the same direction in the hatch.

Only wood of the quality of the existing bearers should be used.

The bearers should, as far as practicable, be placed clear of the vent holes in the gratings.

Only knot free, straight wood should be used.

Why is the overboard discharge outlet on a chemical tanker located below the waterline?

To prevent damage to the hull paint by any chemicals that might be blown back against the ship's side.

So that personnel on board are protected from hazardous vapours by a layer of seawater.

So that tank cleaning can be carried out without anyone noticing.

To ensure that the cargo residues pumped out during tank washing are thoroughly dissolved and distributed in the ship's wake.

Where would you look for a summary of important safety and handling information on a cargo loaded on your ship?

The Material Safety Data Sheet

The Company Cargo Handling Manual

The IBC Code

The Master's Standing Orders

A situation exists where a cargo of palletised fruit is being loaded to capacity on a conventional reefer vessel. In order to load all of the available cargo it is proposed to break down some of the pallets and place the loose cartons on top of the pallets; there is just enough space to accommodate this below the deckhead. From the options given which is the most suitable action to take?

Reject the plan as the extra handling will incur greater stevedoring costs.

Reject the plan as the charter is to carry only palletised cargo.

Reject the plan as the reduced gap at the top of the stow will restrict the return air flow.

Accept the plan in order to carry all of the cargo.

Proper and accurate inventory of stores should be maintained inorder to:

Order the required stores

Report to the office

Control the ship's budget

Show to the port authorities

Why should a surveyor be in attendance when discharging steel rebars from a General Cargo Vessel?

In case cargo is found damaged during cargo discharge operations

Because individual rebars will be inter-twined with those below them and will therefore be discharged in damaged condition

Because of charterers? requirements

Because it is a P. & I. Club requirement

During a routine check of one of the auxiliary engines in an UMS operated engine room, a minor leakage on a high pressure fuel pipe was observed. What would be an appropriate action and/or precaution to be taken? (Assume normal operation; 2 sets operating and 1 set standby)

Any of the mentioned alternatives will meet the requirement.

Have a motorman on watch for the rest of the night, especially instructed to watch the engine

Change the operation to the third generator set, leaving the original set as stand-by awaiting possibility to repair the failure.

Change operation to the third generator set, preparing the original set for repair of the failure and switching to manual mode until repair is carried out.

Training is required when new equipment is installed on board the ship. What kind of training should be provided and for whom?

Every crewmember is responsible for their own training. Safety Officer should be contacted if any questions.

No training is required for experienced seafarers

Theoretical and practical training should be provided for the head of department. Operation Manual for shall be available in crew mess room so that personnel involved in operation of the equipment can familiarise themselves with the new equipment.

Theoretical and practical training should be provided for all personell involved in operation of the new equipment

What is the main effect on lubricating oil of operating for long periods at excessively high temperature?

It will change the flashpoint of the oil.

It will cause the oil to oxidise, reducing the viscosity.

It will cause the oil to oxidise, increasing the viscosity.

It will cause the oil to evaporate, increasing consumption.

A new cylindrical brass bearing sleeve for a pump shaft is found to be a few millimetres too long for the housing and needs to be adjusted to the correct length. Which will be the best method to use to reduce the length of the sleeve to the correct dimension?

Remove the excess length using the ship's lathe.

Grind off the excess on a pedestal grinder for quickness.

Cut off the excess with a mechanical hacksaw.

Manually hacksaw off the excess and dress the end with a file.

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

After discharge of a bulk cargo by grabs, tank tops and lower hopper side plating must be checked for ?

Rusting

Damage and possible leaks

Paint coating loss

Cargo residues

At what angle should a cargo lashing meet an eye plate?

At 90 degrees

At 30 degrees

At 60 degrees

At 45 degrees

Settlement of disputes, not belonging to the category of the NIS Act, outside Norway between the master and any of the crew regarding wages, the ship service or the employment relationships in general shall be brought before:

The local trade union

The local P&I club.

The Norwegian Consulate

The local authorities

On the figure 4 possible definitions of the term "FORECASTLE" are given. Which one is the correct one?

Forecastle is given by C on the figure

Forecastle is given by B on the figure

Forecastle is given by A on the figure

Forecastle is given by D on the figure

If the oxygen content in an enclosed space is less than 20% and a non-essential routine inspection of the space is due which of the following is the correct course of action?

Postpone the inspection until the correct oxygen content can be achieved.

Carry out the inspection as quickly as possible.

Wear breathing apparatus while carrying out the inspection.

Release oxygen into the space from an oxygen cylinder.

Where would you normally expect to find the air vent cock on a steam boiler?

At the feed water inlet pipe connection.

At the highest point of the steam drum.

At the superheater outlet

On the highest point of the steam range.

Personnel in a high voltage switchroom smell ozone. This is likely to indicate which of the following?

Transformer overload

Vacuum circuit breaker problems

Arcing at badly connected bus bars

Air circuit breaker problems

What is the definition of "Mole"?

A substance capable of causing canser.

A graphic method of representing the heat quantities contained in air.

The volume occupied by one molecular mass in grams.

The mass that is numerically equal to to the molecular mass.

What is the maximum quantity of cargo permitted to be carried in a single tank on a type 1 chemical tanker as per the IBC Code?

2400 cubic metres.

3000 cubic metres.

1250 cubic metres.

750 cubic metres.

The circuit shows a full-wave bridge rectifier. Which electronic component will you connect between 'a' and 'b' in order to obtain reduced ripple voltage to the load RL.

Zener diode

Capacitor

Inductive reactor

Resistance

When starting three phase induction motors which of the following starting methods will immediately apply rated voltage to the machine?

Soft starter

Star Delta

Direct on Line

Auto - transformer

What is the main reason for sometimes having a separate forced lubrication system for the camshaft on large cross head engines?

To prevent the camshaft system being contaminated with any water leaking into the main lubrication system from faulty cylinder liner seals.

Because the camshaft lubrication system has a lower pressure than the main lubrication system.

To prevent any fuel leakage from the high pressure fuel pumps contaminating the oil in the main lubrication system.

Because the camshaft system uses a different grade oil from that used in the main lubrication system.

When patrolling the car deck during a voyage you should observe the following elements:

Check that fire hoses are connected to the fire hydrants

Any abnormalities such as leakages, fumes, smoke or fire. Check if the lashings need to be tightened on lashed cargo.

heck if all the lights are switched off and the doors are closed

Smoke or fire

The first step in completing an SSA is to:

Develop an onboard security survey checklist

"Identify the key shipboard operations, systems, areas and personnel that are critical to protect."

List the existing security measures.

Create a list of potential motives for security incidents against your ship.

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 B on the figure

Roller fairlead is given by C on the figure

Roller fairlead is given by A on the figure

In case of a fire inside the Acetylene-line in the ac/ox gas welding equipment, what action is deemed necessary?

Close Acetylene valve in the workshop.

Close Oxygen valve.

Close valves on Acetylene bottle(s).

Close the valves on both the Acetylene and the Oxygen bottles.

How many buoyant smoke signals are carried in each liferaft?

Nil

Apart from red, what other colour is frequently used for a CO2 extinguisher?

Black

Light blue

Green

Yellow

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