家在线测试 CES Chemical tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Chemical tanker vessel

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该测试由有关选定主题的随机问题组成。

问题 1 从 90

The duty engineer of a UMS ship is approached by a member of the ship's staff, seeking permission to hang wet working clothes in the engine room to dry. Should he:

Allow the clothes to be hung over a rail anywhere.

Allow the clothes to be hung over rail next to the warm F.O. service tanks.

Not allow the clothes to be hung anywhere in the unmanned machinery spaces.

Allow the clothes to be hung over a rail provided there is no electrical equipment directly below.

Mention some important thoughts for what you have to do when you recognise that fire break out onboard.

Commence fighting the fire, call the persons around the fire and join the fire squad

Report to bridge or duty officer, actuate the fire alarm, call the persons around the fire and join the fire squad

Go to the lifeboat start the motor then call the duty officer and commence fight the fire

Report to bridge or duty officer, actuate the fire alarm, organise and commence fighting the fire

*On a cargo ship, what is the requirement for the ventilation ducts more than 2 metres long ?

They must be fabricated of fire-resistant material

They must be fabricated of non-combustible material

They must have lining of non-combustible insulating material

They must be isolated from any combustible material

*Which of the following instructions or information SHALL be contained in the Training Manual?

use of breathing apparatus

means of escape or escape routes

emergency repairs of fire-fighting equipment

use of communication equipment

*Class "C" bulkheads are bulkheads constructed of approved non-combustible materials:

that can withstand the standard fire test for 45 minutes

that can withstand the standard fire test for 30 minutes

that need not meet any of the requirements relative to smoke and flame nor limitations relative to temperature rise

that can withstand the standard fire test for 15 minutes

*What is the expansion ratio of the foam produced by the fixed low-expansion foam fire-extinguishing system of an engine room?

Less than 20 to 1

Less than 12 to 1

Less than 5 to 1

Greater than 20 to 1 but less than 50 to 1

What type of nozzles for fire hoses can be provided aboard ships?

Spray type only, incorporating a shutoff

Jet type only, incorporating a shutoff

Dual purpose (jet/spray) type incorporating a shutoff

All of the above types can be provided

*Which of the following hose lengths corresponds best to the most common ones found onboard?

30 m

5 M

10 m

20 m

In order to achieve a greater effectiveness when using a permanent system of extinction with gases (for example CO2), we must…

Check the valves, seal the area and activate the extinction system

Only activate the alarm, then the extinction system

Activate the alarm, evacuate the area and seal the place, then activate the extinction system

Activate the extinction system before we activate the alarm

In case of a fire in engine rooms, cargo holds or other confined spaces, what has to be done before the central gas extinguishing system is used?

Stop all engines

Disconnect all non-emergency circuits from the main switchboard

Make sure that the compartment has been evacuated

If any, open all bottom ventilation inlets and outlets to the compartment

*The temperature control system of the main engine crankshaft bearings indicates high temperature. What would be the correct way to open and check the crankcase?

Stop the engine immediately, stop the lube oil pump, and inspect the crankcase after 5 minutes

Stop the engine and open crankcase down immediately for inspection

Reduce the RPM to a minimum and open the crankcase doors carefully

Stop the engine immediately and keep the lube oil pump running for at least 20 minutes before opening the crankcase

The letter ‘X’ in the answer-back 36572 LIBK X means:

This vessel has more telex-numbers

This concerns a mobile station

The position of the vessel is not known

Don't know

The display of a DSC-controller on board shows the following options: (see original)If a DSC-message is intended for vessels in a certain geographical area, one chooses:

Don't know

G.Area

All Ships

Group

Which of the following services is not provided by INMARSAT C:

Telex

Telephone

Fleetnet

Safetynet

The compulsory testing of a prescribed SART is to be done:

once a week

once a year

Don't know

once a month

You have just discharged a Category "A" chemical cargo and are making the first wash of the tank that had contained it. The washing contain a chemical residual concentration of over 0.1% by weight. You can:

Discharge the washing to sea directly?

Discharge the washing to sea only if you are outside a special area?

Discharge the washing to shore reception facilities only?

Discharge the washing to sea only if you are outside a special area, your speed exceeds 7 knots, depth of water exceeds 25 metres and distance from land exceeds 12 miles?

Abdominal Thrust is the name on a technique which involves applying a series of thrusts to the upper abdomen in an attempt to force air out of a choking casualty's lungs. How to perform this technique?

Remove the obstruction and restore normal breathing.

Lay casualty on a hard surface, e.g. deck, and press firmly and rapidly on the middle of the lower half of the breast bone.

Stand behind the casualty. Clench your fist with the tumb inwards in the center of upper abdomen. Grasp your fist with your other hand and pull quickly inwards.

Let the casualty grab a list and hang up right down for a period of minimum 5 minutes.

Why should water ballast not in general be carried in tanks intended for oil fuel in passenger ships?

Risk for pollution

Risk of ship stability problems

Risk of engine stop due to water in fuel oil

Risk of corroded fuel oil tanks

Which of the following requirements to ships stability for normal operation corresponds to present regulations? (NSCL 4/12.2)

Centre of gravity shall be calculated with an accurancy better than 5 percent.

The ship is loaded in such a manner that adequate stability is achieved in all loading condition.

I waters with the danger of icing, loading of deck cargo must be approved by competent authority.

Unless othereays stated in the approved stability calculation, the total weight of the deck cargo shall not exeed 50 metric tons.

Give the meaning of the following symbol

Bilge pump

Heat detector

Foam release station

Powder installation

A Decca chain consists of:

4 slavestations.

2 masterstations and 4 slavestations.

1masterstation and 3 slavestations.

6 radiobeacons.

Your ship is drifting in open sea with temporary engine malfunction. You are equipped with precise navigation equipment. What should you do in this situation?

Go to bed and wait for the engine to be ready

Use the opportunity to plot direction and rate of drift for later use

Call the company immediately

Ask the Chief Engineer when the engine will be ready

Your vessel is moving in Panama canal waters. When must the chief engineer remain on duty in the engine room?

Only when requested by the pilot.

At all times.

When approaching or passing through locks and Gaillard cut.

Only if the regular engineer is off duty.

When should operational checks on navigation equipment be done?

As often as possible

When time allows

When errors are indicated

Regularly, when preparing for sea and entering port

The International Organisation which has developed GMDSS is :

INMARSAT

SARSAT-COSPAS

IMO

ITU

What is the secondary purpose of a VHF-installation onboard?

To take part in public traffic

To enhance the safety of lives at sea

To communicate in distress cases

Don't know

On board one can use the reflections in the ionosphere by the right choice of:

The time of transmission

The mode of transmission

The length of the aerial

The type of equipment

The ship-shore HF-telephone-channel 1615 consists of the frequencies 16402.0 kHz and 17284.0 kHz. In case of manual operation, one should tune the receiver on:

16402.0 kHz

the common receiving frequency for the 16 MH2 band

Don't know

17284.0 kHz

MF communication is usually provided by :

none of the above

sky wave

ground wave

space wave

An area A2 is:

an area excluding sea area A1 within the radiotelephone coverage of at least one MF coast station in which continuous watch on 2182 kHz is available

an area excluding sea area A1 within the radiotelephone coverage of at least one MF coast station in which continuous DSC alerting is available

an area excluding sea area A1 which extend to 100 nautical miles from the coast stations

an area within the radar coverage of at least one MRCC in which a continuous DSC alerting is available

*A lifebuoy must have an inner diameter of:

not less than 400 mm

800 mm

400 mm

not less than 800 mm

What is the meaning of this symbol ?

Lifebuoy with light and smoke

Lifebuoy with line

Lifebuoy with light

Lifejacket

*When reasonable and practicable, how often shall rescue boats be launched with their assigned crew aboard and manoeuvred in the water?

Every six months

Every two weeks

Every week

Every month

Which of the following detailed explanations should be mentioned in the Training Manual ?

The use of escape routes and other escape methods

The use of surface to air visual signals to be used by survivors

The use of drogues

The use of navigational equipment for survival crafts

Which of the following precautions should be taken when work is to be carried out on the radar scanner unit on the mast?

Only the electrical fuses for the radar undergoing repairs needs to be removed, allowing the ship to retain a workable radar

Only the electrical fuses for the scanner motor needs to be removed.

A "Not to be used" sign on all radars and fuses for the complete radar systems to be removed

A sign needs to be attached to all the radars warning the bridge officers of repairs and the fact the radars are "Not to be Used"

When arriving a port the manifoild connections should always be ?

All fully bolted except those actually in use.

No empty tanks needs to have the manifoild connections fully bolted.

Only the connections for the tanks which are not to be loaded needs to be fully bolted.

Only the connections for the tanks to be loaded needs to be fully bolted.

By which method is the Vapour Pressure of Crude Oil determined?

The ASTM Elementary Assessment Method.

The API Open Cup Laboratory Method.

The Reid Closed Test method.

The True Vapour Pressure value is always used.

You are the Officer on Watch on an oil tanker during a discharging operation. An alarm on the Inert Gas Plant indicates that no inert gas is being supplied to replace the discharging cargo. What will you do?

Continue discharging with the cargo pumps running at minimum speed.

Slow down and relieve the vacuum by opening the tanks lids.

Immediately stop the discharging.

Activate the inert fans and blow fresh air into the cargo tanks.

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

Cylinder head

Air inlet valve

Exhaust valve

Cylinder relief valve

Prior to bunkering operations it is necessary to check the quantity of fuel remaining onboard and that there is sufficient room for the fuel that is to be loaded. What is the best method to use to establish this?

Sound the tanks which you think might still contain some fuel.

Do a complete sounding of all fuel bunker tanks

Take a full set of readings from remote content gauges.

Use the latest figures from the fuel record book.

Which plan shows the position of the vertical and longitudinal centres of gravity for each cargo compartment on a Bulk Carrier?

Vessel stability book

Capacity Plan

Line drawing

Shell expansion

Which type of profiling is used to obtain information about rival companies and their employees?

Industrial

Criminal

General

Commercial

At what number of crew members is it mandatory to have an Working Environment Committee on board?

Minimum four crew members.

Not mandatory.

Minimum eight crew members.

Minimum twelve crew members.

There are many applications in circuit theory where it is important to obtain the maximum possible power that a given source can deliver. This figure consists of a practical voltage source V(g) with internal resistance R(s). What resistance R(L) will maximize the power transmission from the source to R(L)?

R(L) = R(s)

R(L) = 2 R(s)

R(L) = 0.5 R(s)

R(L) = R(s) / sqrt (3)

In a PID controller it is possibile to change the setting of the Proportional band (P), the Reset time (I) and the Rate time (D). Please indicate which curve shows the typical response to a step input, if the variables are well adjusted.

Figure 4.

Figure 3.

Figure 2.

Figure 1.

An earth fault exists on the blue line of a 100 A bilge pump circuit. A second earth fault occurs on the yellow line of a 10 A ventilation fan circuit. Both systems are supplied from the ship's 440V supply. The likely outcome is that:

An open circuit occurs between earth fault and both motors trip out

A short circuit occurs between earth faults and the ventilation fan fuse blows

Both motors trip out on overload

A short circuit occurs between earth fault and the bilge pump fuse blows

What is the main information we get from a Mollier diagram?

We get information about enthalpy, specific volume of vapour, liquid/vapour mixture, temperature of vapour when pressure is known and pressure in the cargo tank when liquid temperature is know.

We get information about enthalpy, specific volume of vapour, liquid/vapour mixture, temperature of vapour when pressure is known.

We get information about enthalpy, specific volume of the liquid and latent heat.

We get information about specific volume of vapour, liquid/vapour mixture, temperature.

How often shall the master review the safety management system?

Every month

Bi-annually

Every 5 years

Annually

What is one way to try to overcome people's fears about loved ones?

Inform them about the nature of the emergency.

Prevent them from looking for their loved ones.

Assure them that the crew is sweeping the entire ship for passengers.

Give them a lifejacket to put on.

Too high exhaust temperature in one cylinder becomes because of:

Leakage in the inlet valves.

Poor cylinder condition – blow by –including leaking exhaust valves.

Too low admission on fuel injection pump.

The amount of cylinder lubricating oil feed to the cylinder is too small.

Which of these is not considered a method of ascertaining the watertight integrity of hatch covers?

Hose test

Chalk test

Ultrasonic test

Visual inspection

What is the purpose of the ship/shore safety check list?

To ensure the safety of the personnel.

To ensure the safety of personnel, ship and terminal.

To ensure the ship is safe moored.

To avoid the avoidance of cargo contamination.

What is the main quencher for an oil tanker?

Powder.

Foam.

Water.

Carbonic acid.

The best way to identify an IED is to?

Measure the size of the object.

Shake the object.

Recognize its components.

Weight the object.

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.

Once a vehicle has been stowed on board what should duty crew members ensure?

That the duty officer is notified of the vehicle’s position

That a photograph is taken of any damages

That the vehicle is lashed immediately

That there is no sign of tampering with internal accessories

Which vitamin is to be found only in foods from the animal kingdom?

Vitamin C

Vitamin E

Vitamin A

Vitamin B

HP pressure fuel pumps for medium speed engines are often provided with visible witness marks on the pump casing and the pump tappet. These along with flywheel position can be used to check the fuel timing for the individual pump. Wfrom the options given select what is actually indicated when the witness marks are aligned?

That the pump plunger has reached the end of its stroke.

That the pump plunger has just uncovered the spill port.

That the main piston for that particular cylinder is at top dead centre position.

That the pump plunger has just covered the spill port.

A high pressure boiler is operating with all parameters normal except that the firing rate is high and the superheater temperature is high. Which of the options given is the likely cause of this condition?

The generating and screen tubes are fouled.

The de-superheater control is not operating correctly.

Insufficient combustion air is being supplied.

The superheater tubes are fouled.

When loading stores in a tropical harbour on sunny days, which of the following categories of provisions would you arrange to get out of the sun as soon as possible?

Fruit and vegetables

Dairy items

Bottled goods

Tinned goods

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.

What is the meaning of organic chemistry?

Organic chemistry is substances that contain hydrocarbons and oxygen.

Organic chemistry is substances that do not contain of hydrocarbons.

Organic chemistry is substances that contain hydrocarbons.

Organic chemistry is substances that contain of hydrocarbons, nitrogen and oxygen.

Fluid-driven eductors (as commonly found on crude oil tankers), operate on a principle known as Bernoulli's principle. What does that state?

The increase in pressure at the eductor inlet is inversely proportional to the decrease in pressure as measured at the discharge orifice.

The volume of a fluid increases as the pressure in it decreases.

The discharge rate is inversely proportional to the pressure applied in the drive inlet.

The speed of a moving fluid increases as the pressure in the fluid decreases.

Too high exhaust temperature in one cylinder becomes because of:

Nozzle ring of turbocharger fouled or partially choked.

Scavenge ports dirty.

Compression pressure too low.

Speed governor defective.

Which of the following is the correct English spelling?

Ingreedients.

Ingrediants.

Ingriedients.

Ingredients.

What term is applied to the arrangement by which liquid chemicals are stowed on board, so that potentially reactive chemicals are not placed in adjacent compartments?

Segregation.

Diversification.

Pre-stowage.

Separation.

During maintenance work on a main diesel engine the fuel injection valve is found to be jammed in the pocket in the cylinder cover. Which of the procedures given in the options should be followed in order to complete the work?

With the fuel injection valve retaining nuts removed admit compressed air into the engine cylinder to try and blow the injection valve out of the pocket.

Replace the complete cylinder cover with a spare unit and land the cover with the jammed valve ashore for repair in a specialist workshop.

Remove the cylinder cover and try and drive the injection valve out of the pocket from the underside with a hammer and punch.

Wedge a bar between the piston top and the bottom of the injector and use the turning gear to force the injection valve out.

A bulk cargo of Coal is to be loaded in Australia for Europe; the coal is declared as having a high moisture content (but less than the transportable moisture Limit (TML)); what must the Master ensure?

The bilges should have been sealed prior to loading

The bilges must not be pumped out

The bilges must be pumped out regularly

All cargo hold bilges are sounded daily and the amount of water logged; the bilges can then be pumped out.

How often shall watertight doors in main transverse bulkheads which is in use at sea be operated (tested)?

Every two weeks

Every month

Daily

Weekly

A general cargo ship is discharging and smoke is reported coming from a hold which is not being worked at present; what action must be taken ?

Sound general alarm, call shore fire services and check number of persons on board

Enter space to access problem

Boundary cool adjacent spaces

Open hatch cover and attack with fire hoses

What do you understand by: Secure the tug?

Secure the tug means: to pass a line to the tug

Secure the tug means: to let go the tug

Secure the tug means: to make fast the tug

Secure the tug means: to pick up the tug line

What is name of the machine shown, used to heave on the ropes during mooring and unmooring?

Winch

Crane

Windlass

Capstan

What should be done immediately after discharging is completed?

Switch off the lights and close all fire doors

Wash the car deck

Inspect ro-ro decks. Wipe up spill such as oil or water from the deck and clear up lashing equipment

Paint the lanemarks

Which of these statements is incorrect with regard to the loading of bagged fishmeal?

The antioxidant should not be less than 650ppm

The fat content should be less than 15%

The antioxidant should not be less than 100ppm

The moisture content should be between 6 and 12%

What must be done after completion of ballasting operations on a bulk carrier?

All valves closed, tank ventilators in open position and sounding pipe caps replaced.

Sounding pipe caps left off

All valves and lines left open

All valves closed and tank ventilators to closed position

What name is applied to foods (in particular meat) that have been prepared according to the rules of Islam?

Kamal.

Hamal.

Tamal.

Halal.

Why do we use nickel-alloyed steel, stainless steel or aluminium in cargo tank construction on gas carriers designed for LNG and LEG?

Because these metals have a very low thermal expantion coefficient and do not burst of extreme low temperatures

Because these metals cost less than other metal

Because these metals have a high thermal expansion coefficient and do not burst of extream low temperatures

Because the weight on this metals are not so high than other metals

Which of the following statements is incorrect with regard to preparing the cargo holds for receiving bagged cargoes?

Cargo holds should be free of infestation

Dunnage is not required

Cargo holds should be clean

Cargo holds should be free of cargo residues

Due to what could a bulk carrier fail a cargo hold inspection?

Loose rust around the cargo hold

Rusty tank top plating

Hardened rust spots on shell plating

Rust stained hopper tank plating

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.

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

To secure manually operated hatch covers?

To secure timber cargo?

To secure winches from unintentional running?

To secure/lash containers?

What is Inert gas ?

It is a gas containing insufficient oxygen to support combustion of hydrocarbons

It is a gas containing only nitrogen

It is a gas containing less than 21 % by volume oxygen

It is a gas containing no oxygen

Compressed air for instrument and control purposes needs to be of high quality. In order to condition the air filter modules are usually fitted to remove the contaminants. If there is evidence of oil carry over to the final elements in the instrumentation air system what is the most likely cause?

The coalescer module is saturated and requires renewal.

The drier section of the module needs to be regenerated.

The air compressor piston rings need to be renewed.

The particle removal module is choked.

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.

When are ro-ro units most exposed to damage?

When being manoeuvred for stowage or breaking out of stowage

When turning corners

When being driven up or down the vessel’s internal ramps

When being driven up or down the loading ramp

The specified maximum working pressure of a cargo hose in service on a chemical tanker should be at least which of the following?

1/3 design burst pressure.

10 bar gauge.

12 bar gauge.

5 bar gauge.

Temperature sensors may be marked T 802. What does this mean?

100 ohm at 20° C

20 ohm at 802° C

802 ohm at 20° C

20 ohm at 100° C

This circuit is a logic gate with two input signals, A and B, and one output signal Q. Which type of logic function is the gate giving?

OR gate

AND gate

NAND gate

NOR gate

The thermal conductance capability is expressed by a material's thermal conductance number and states the heat quantity. What is the denomination for heat quantity?

Calorific value.

Enthalpy.

Joule.

Watts.

Two reference points for pressure exist, absolute zero and atmospheric pressure. What do you call pressures measured relative to absolute zero?

Absolute pressure

Vacuum pressure

Pressure drop

Gauge pressure

该在线测试包含来自 CES 5.1 测试的 90 道随机问题，涉及您选择的主题。