Главная Онлайн-тесты CES Engine Support Онлайн-тест CES 5.1 для Engine department, Support level

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Тест состоит из случайных вопросов по выбранной теме.

Вопрос 1 из 90

On a RoRo vessel, if the Manufacturer and shipper of a vehicle have not provided instructions and the vehicle does not have fixed lasing points what can be used to secure the lashings

The Tie Rods

The wheel apertures, or other suitable fixed point on the vehicle

The Anti Roll Bars

Regular ‘updating’ of a vessel’s position in an Inmarsat-C installation is among others things important:

To guarantee reception of NAVTEX-reports in areas where normal NAVTEX-facilities are not available

To guarantee reception of NAVTEX-reports

To guarantee assistance in emergency

To restrict NAVARAE-reports

A fully laden tanker is in collision with another tanker causing them to interlock. What action/judgement should be considered by both vessels?

Take separation of the two vessels into immediate consideration, but consider that a separation may cause a fire and also create a larger oil spill

Shut down all watertight doors and shut off all ventilation.

Separate the two vessels immediately and move away from the other vessel

Reduce oil pollution by transferring cargo into empty/slack tank

Should recommended route information be used in conjunction with weather routing?

Sometimes

Yes

Only if recommended by weather routing

Sea area A4 is in maritime radio traffic a sea area:

Don't know

with the exception of sea areas A1,A2 and A3, within the range of Inmarsat-satellites, where continuous alarm is available

within VHF-radiotelephony-range of a coast station or coastguard station, where continuous DSC-alarm is available

outside the sea areas A1, A2 and A3

You have just joined a chemical tanker. Where would you find a description of the ship's cargo handling equipment and details of procedures for cargo unloading, tank stripping, tank cleaning, discharge of residues and ballasting and deballasting?

The Cargo Handling Logbook.

The applicable equipment manufacturer's maintenance and operation manuals.

MARPOL 73/78

The Annex II Procedures and Arrangements Manual

If a seaman has to walk across a stow of cartons containing perishable foodstuffs what should he do to minimise the risk of damage to the contents? Select the most appropriate option from those given.

He should step on the middle of the cartons.

All parts of the carton are of equal strength and therefore it doesn't matter which part he steps on.

He should step on the edges of the cartons.

He should step on the corners of the cartons.

The majority of medium speed main propulsion installations incorporate a reduction gearbox between the engine and the propeller shaft. Why is this arrangement usually required?

So that the engine can be more easily reversed.

So that the engine can be coupled to a controllable pitch propeller.

So that the propeller operates in a relatively efficient speed range.

So that the engine can also drive a shaft alternator.

What is the purpose of a "Strum Box" on a General Cargo Vessel?

To prevent solids from entering the cargo hold via the bilges

To prevent water from entering the cargo hold

To prevent all solids from entering the bilge system

To prevent solids of certain size from entering the bilge system

What does this signal hoist mean?

I require immediate assistance.

Do you require assistance?

Stand by to assist me.

I require medical assistance.

During a Crude Oil Washing operation, if measurement of the atmosphere within the tank indicated that the oxygen level had risen to above 8%, what action would you take?

Stop the washing operation as you have reached the required level. Pump out the remaining oil and then wash the tank with water.

Contuinue washing, but increase the delivery rate from the IG generator.

Stop the washing operation and do not resume until a level of less than 8% oxygen content by volume has again been acvhieved.

Take no action. It only becomes a critical situation if a level of greater than 11% oxygen content is measured.

On a Container vessel, what is the function of double stacking cones?

To link adjacent container stacks together particularly those in line with buttresses

To link out-of-gauge container stacks together

To lock containers horizontally

To lock adjacent container stacks together

What diminishes the proper functioning of twistlocks?

Vertical accelerations

Continued action of longitudinal forces

Heavy rolling

Continued use with over height containers

Where do you find detailed information and specific technical requirements for life-saving appliances?

SOLAS

Life-Saving Apliance Code (LSA Code)

ISM Code

Safety Management System

What is the purpose of an oil mist detector, OMD, as fitted to a diesel engine?

To detect any potentially explosive atmosphere in the crankcase.

To detect stuffing box leakages.

To detect circulation of the engine lubricating oil.

To avoid hot spots in crankcase.

Your vessel is equipped with fixed rotating tank-cleaning machines in every tank. You have just finished cleaning, in preparation for loading a cargo which is water-sensitive. What should you do with the machines?

It is not necessary to do anything. The amount of moisture remaining in a tank-cleaning machine could not affect the quality of the cargo in any way.

Ensure they are thoroughly drained down and blown through, using de-humidified air or nitrogen as applicable.

The nozzles and drain holes should be plugged.

They should be removed from the tank.

The purpose of profiling is to?

Categorize people based on their nationality and ethnicity.

Make judgements about people based on heir appearance.

Identify different personality types.

Get beneath the outer shell of an individual to obtain a more complete picture.

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)

On a Container vessel, what can cause large loads in lashings when containers are secured to a lashing bridge?

The lashing bridge is flexible but the hatch covers are fixed, causing the lashings to go alternately slack and tight

The lashing bridge is fixed but the hatch covers move when the ship rolls and pitches, causing the lashings to go alternately slack and tight

Due to flexibility of the hatch covers

Due to inflexibility of the lashing bridge

Which of the following letter combinations represents a level indicating controller on a process and instrumentation diagramv

CIL

LIR

CIR

LIC

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

Cargo residues of certain chemical substances are permitted to be removed by ventilation. What criteria is applied in determining if a cargo can be cleaned in this way? (Always accepting that local port authorities may have over-riding regulations on ventilation).

That the cargo discharged has a vapour expansion coefficient of at least 1.025.

That the cargo discharged has a vapour pressure greater than 5 KPa at 20 degrees Celsius.

That the vessel's ventilation system is capable of delivering a minimum of 20 changes of atmosphere per hour within the compartment.

That the volume of the tank does not exceed 1750 cubic metres, that the maximum remaining residues are less than 75 litres and that ventilation is additionally possible directly down the pumpstack.

Who is responsible for completing the DoS on behalf of the ship?

Chief Officer

Ship Security Officer

Company Security Officer

Chief Engineer

What is the requirement to number of portable gas detection apparatus?

At least two sets.

One set.

Sufficient number of apparatus.

There is no requirement to numbers of apparatus.

PT-100 sensors are some times used with 3 or even 4 wires. What is the reason for this?

Because of power-consumption.

Higher mechanically strength of the cable.

For fault indication.

Higher measuring accuracy.

Which of these tasks are performed as part of the SSA?

Implement measures to address weaknesses in ship security.

Train shipboard personnel in their security duties.

Assess the likelihood and potential consequences of security incidents.

Assign security duties to ship personnel.

With reference to the installation of pressure gauges for steam systems. Complete the following statement from the options given. To protect a bourdon tube type pressure gauge which is to be fitted to a steam line it should ….

..be fitted directly to the steam pipe.

..be fitted to the steam pipe using a flexible hose.

..be fitted with a siphon loop between it and the steam pipe.

..have its casing filled with water.

How often shall the oxygen analyser be calibrated?

On Chief Officers order

At regular intervals

Every time the plant is shut-down

Prior to every plant start-up, following an 8 hour stop

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.

During inspection of a medium speed diesel engine piston of the composite type it is found that the steel crown is loose at its connection to the alloy skirt. Further inspection reveals damage to the surfaces and evidence of metal particles where the two parts are connected. Select, from the options given, the likely cause of this type of damage.

Fatigue due to excess compression at the joint between the components.

Crushing due to over tightening of the piston crown retaining bolts.

Shear of the metal surfaces due to excessive load on the engine.

Fretting due to loss of compression at the joint between the components.

For what can a vessel be held responsible by a port authority?

The gangway resting on a damaged jetty

Damage to cargo during loading

Painting overside

Soot emissions

In a circuit diagram of a simple hydraulic circuit, which of the alternatives does the following symbol indicate?

Directional control valve.

Throttle valve.

Pressure relief valve.

Double check valve.

Which of these statements about drug smuggling is true?

"The preventative measures you incorporate into your ship’s security plan should be exhaustive, regardless of the level of threat identified by your ship’s security assessment."

The risks to ships are not restricted to specific areas or trading routes.

Drugs are difficult to conceal onboard a ship.

"Drug smuggling is only a problem in certain ports, so only ships sailing in those ports need to implement preventative measures."

When could there be a demonstration of how to start a lifeboat engine?

There is an instruction card inside the lifeboat showing how to start the engine.

A demonstration could be arranged during a lifeboat drill

A demonstration is not necessary, because there are a limited number of persons who given the responsibility for starting the lifeboat engine

Starting the lifeboat engine is very easy and there does not need to be any demonstration

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

Navigation bridge

Captain's- and Chief Officer's office

Captain's office

From the navigation bridge and in at least one other location

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

Inert gas drawn from an in-line unit in the main or auxiliary boiler exhaust cannot normally be used in a chemical tanker carrying high-spec products. Why is this?

Because MARPOL severely restricts the cleaning to sea of tanks that have been inerted in this way, unless additional prewashing has first been carried out. This results in the generation of slops which reduce cargo carrying capacity and incurs disposal costs.

Because the gas drawn from such a source cannot be guaranteed to be below the Lower Explosive Limit.

Because the levels of hydrocarbons and suspended soot particles will have a significant negative impact on cargo quality and tank cleanliness.

Because connection between boiler exhaust systems and cargo containment arrangements is forbidden under the IBC Code.

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.

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

How often shall drills for the operation of watertight doors, side scuttles, valves and closing mechanism of scuppers, ash-chutes and rubbish chutes take place in passenger ships?

Every two weeks

Daily

Every month

Weekly

Why is burlap used to cover the bilge perforated plates?

To prevent small particles of cargo draining into the bilges

To protect the plates from stevedore damage

To prevent drainage into the bilges

To allow water and large particles of cargo to drain into the bilges

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

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

Which of the following foods will increase the cholesterol levels in the blood if eaten in excessive quantities?

Pork

Chicken

Vegetables

Fish

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 mooring lines are visible in this image?

The forward headline and breast rope are visible in the image

The forward back springs are visible in the image

The forward breast lines are visible in the image

The forward head lines are visible in the image

In a heat exchanger where seawater is used to cool fresh water, the seawater pressure should be maintained lower than the freshwater pressure to:

Minimize the load on the seawater pump

Eliminate scaling problems on seawater side

Reduce erosion

Prevent contamination if leaks are developed

What is meant by the term "certified gas free"?

A tank, compartment or ISO-container that has been tested and produced a negative result when tested for Hydrogen Sulphide and has then been closed until required for entry.

A tank,compartment or container that has been tested by an authorised person using an approved testing device and found to contain an adequate level of oxygen and free from toxic or flammable gases and for which a certificate authorising entry has been issued.

A cargo tank that has been tested by a ship's officer using a testing device that is in regular use and found to contain above 17.5% oxygen by volume and where a tank entry label is displayed in the vicinity of the tank lid.

A tank, compartment or container that has been tested for oxygen content by a certified shore chemist.

When one ship is unmooring from another which is at anchor, the unmooring crew should be instructed to cast off lines:

As and when they think fit.

As and when the vessel remaining at anchor instructs them to do so.

As and when the manoeuvring vessel instructs them to do so.

As and when strain appears on individual ropes.

If a recipe requires that a dish be "poached", what does this mean?

Wrapped in foil and baked.

Cooked gently in a simmering liquid.

Lightly pan fried.

Turned frequently under a grill oven.

If a cargo leak occurs onboard a liquefied gas carrier it is likely that a 'white' vapour cloud will form. What makes the vapour cloud look white?

Condensation of nitrogen in the air.

Condensation of cargo vapour in the air.

Condensation of oxygen in the air.

Condensation of water vapour in the air.

A transformer overheats while taking a shore supply. Which is the likely cause?

Incorrect voltage

Incorrect current

Incorrect earthing

Incorrect frequency

Passenger ship engaged in international voyages shall carry through a muster for all passengers. At what latest time after embarkation shall the muster take place?

Before departure

No time limit

4 hours after the passengers embarked

Within 24 hours after the passengers embarked

The Reid Vapour Pressure (RVP) test is a simple and commonly used method for measuring which of the following characteristics of an oil cargo?

The nominal vapour pressure of the liquid at 38.7 degrees C.

The actual vapour pressure of the liquid at 15.6 degrees C.

The uncorrected vapour pressure of the liquid at 59 degrees C.

The absolute vapour pressure of the liquid at 37.8 degrees C.

What precautions should be taken with Ro-Ro cargoes when crossing the oceans in winter?

Additional cargo lashings should be applied at the loadport

The ship should avoid areas of heavy weather

All of the alternatives

The Declaration of Security:

Details a ship’s security measures.

States the reporting procedures to government contact points.

Identifies the security responsibilities of shipboard personnel.

Addresses the security requirements shared between ships or between a port facility and a ship.

Under SOLAS, what are the minimum required air changes per hour for ‘Special Category Spaces’?

What would indicate the onset of Parametric Rolling?

When the wave encounter period approaches the natural roll period of the ship

When twice the wave encounter period approaches the natural roll period of the ship

When wave heights experienced from either quarter exceed 6 meters

When wave heights experienced from the bows exceed 6 meters

"From the list below, which is among the recommended actions for a vessel to take, on entering an area known for pirate activity?"

To transit with maximum safe speed

To transit at night time only

To turn off all lights

To confine all ship’s personnel to one room onboard

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

What is the requirement to membranes on Independent Tank Type "A"?

No barrier required.

Complete secondary barrier.

Only primary barrier required.

Partial secondary barrier.

How often shall the inert gas scrubber be flushed with water?

Every hour

Before entering discharge port for inspection

After use

Once a year/18 months

How do we control the cargo tank pressure whilst we are at sea?

Whilst at sea we control the cargo tank pressure by use of inert gas system.

Whilst at sea we control the cargo tank pressure with the cargo cooling plant.

Whilst at sea we control the cargo tank pressure by use of cargo pumps and cargo heater.

Whilst at sea there is no way to control the cargo tank pressure.

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

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

Many chemical tankers are fitted with deepwell centrifugal cargo pumps. What is the process by which any leakage of cargo or hydraulic oil into the pump cofferdam is detected?

Stripping.

Purging.

Assessing.

Proving.

You are going to enter a tank to lift out some sediments. What kind of permits need to be issued before entering?

Hot Work Permit and Cold Work Permit.

Enclosed Space Entry Permit and Cold Work Permit.

Enclosed Space Entry Permit and Hot Work Permit.

Enclosed Space Entry Permit only

What is dunnage considered as under MARPOL 73/78?

Waste

Cargo residue

Marine Pollutant

Garbage

What is the name by which the regulations which prevent and control pollution from ships are known?

The International Shipping Pollution Laws.

SOLAS

MARPOL

The ISP Code.

What kind of pumps are used as main discharge pumps on gas carriers as cargo pumps?

On gas carriers multistage submerged pumps are used as main cargo pumps.

On gas carriers multistage deep well pumps are used as main cargo pumps.

On gas carriers multistage deep well or submerged pumps are used as main cargo pumps.

On gas carriers multistage booster and single stage deep well pumps are used as main cargo pumps

How should mild steel slabs be loaded in a bulk carrier?

Interlocked across the entire cargo hold with the longitudinal axes athwartships

Interlocked up to the hopper tank plating with the longitudinal axes athwartships

Interlocked across the entire cargo hold with the longitudinal axes fore and aft

Interlocked up to the hopper tank plating with the longitudinal axes fore and aft

What is the Fitter asked to do?

The portable air pump is out of order

He is to empty the hydraulic oil into the sea

He is to check the heater for the hydraulic oil

He looks for oil drums under the forecastle

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

What is the definition of sludge control?

The cargo tanks are to be washed that often so recidues do not accumulate in large quantities.

The sludge is controlled by use of special instruments.

This is done in port by a special sludge control squad.

Visual control of the sludge.

What is the main reason that passenger baggage creates problems for crowd control?

If passengers are already in muster stations, you will have to allow them to return to cabins to retrieve baggage.

Muster stations are crowded, and passenger baggage takes up space.

There isn't room in the life rafts, and crewmembers will have to tell passengers to leave baggage behind.

Passenger baggage clutters escape routes, and embarkation stations, and slows down an evacuation.

Many gas carriers are designed to carry liquefied petroleum gas (LPG). How is LPG defined in the IMO Gas Codes?

LPG is defined as butane and ethane or a mixture of both.

LPG is defined as propane and butane or a mixture of both.

LPG is defined as propane and ethane or a mixture of both.

LPG is defined as propane and methane or a mixture of both.

In a single side skin bulk carrier of 180m in length constructed in 2001 and carrying cargo of density 1,780 kg/m3, or above, which cargo hold is strengthened to withstand flooding?

The aftermost cargo hold

The ballast hold

The midships cargo hold

The foremost cargo hold

What is a Jensen Sling used for?

Loading and discharging bales

Loading and discharging steel pipes

Loading and discharging paper reels

Loading and discharging packaged timber

This amplifier circuit is a common configuration used to amplify the difference in voltage between two input signals; in this case input 1 and 2. What is this amplifier called?

Push-pull amplifier

Differential amplifier

Common emitter amplifier

Darlington connection amplifier

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

With regard to dry chemical powder fire-extinguishing systems in the cargo area, what is the required number of self-contained independent dry chemical powder units?

At least one unit.

At least three units.

Sufficient number of units to cover the cargo area.

At least two units.

In a US port and according to the Code of Federal Regulations, a 'Declaration of Inspection' must be completed before the transfer of an oil cargo can take place. Who is responsible for preparing this Declaration?

The ship's officer in charge of the oil transfer operation.

The Terminal Representative (Loading Master).

The US Coast Guard Captain of the port (COTP) or his designated representative.

The ship's pumpman.

When talking about cargo operations on an oil tanker, what is "topping off"?

Commencing discharge from another tank, to retain suction, when stripping a tank

Completing the loading of a tank to the required ullage

Filling a cargo tank to its maximum level without causing an overflow

Slow pumping a cargo tank at the commencement of discharge, to achieve a safe ullage, before starting discharge from other tanks

Which of the options given is the main reason for using a ring spanner to tighten the brass nuts on the cover studs of a pump casing?

The nuts can be tightened more with this type of spanner.

It will allow the nuts to be tightened correctly.

It will minimise the risk of slipping off the nut or damaging the nuts.

It can be adjusted to the exact size of the nut.

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

An alarm signal consisting of seven short blast followed by one prolonged blast is sounded by the ship's whistle and alarm bells. What are you to do?

Go to (or remain in) your cabin and await further orders

Go to your fire station

Report on the bridge (deck crew) or engine room (engine crew) for further orders

Go to your lifeboat station

What is the meaning of this symbol ?

Lifejacket

Lifebuoy with line

Lifebuoy with light and smoke

Lifebuoy with light

Whilst in the Engine room you hear the CO2 release alarm, what action if any should you take.

As CO2 can not kill you, secure present work and proceed out of engine room.

Take no action as it is probably someone testing the system, as the fire alarm has not been sounded and the engine room is not on fire.

Proceed to the engine control room and call the bridge for further instructions.

Leave the engine room as quickly as possible, closing all doors behind you.

All fuel oil tanks are vented through a

all alternatives

check vent to settling tanks

gooseneck vent on main deck

check vent to transfer pump

An excessive pressure drop across a lube oil strainer could indicate:

Any of the above.

That the relief valve is stuck open.

That the strainer is ok.

That the strainer needs cleaning.

Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.