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

在线测试： Test online CES 5.1 for MASTER / Ch-Officer, Passenger 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

Fire protected lifeboats when waterborne should be capable of protecting its full complement when subjected to a continuous oil fire that envelops the boat for a period of not less than how many minutes?

30 minutes

20 minutes

15 minutes

8 minutes

What is the minimum necessary condition for the start and permanence of an oil fuel fire?

The temperature is below the flash point

The temperature is below 100°C

The temperature is equal to or over the flash point

The temperature is above 250°C

For which of the following groups of substances or materials is the use of water as an extinguishing agent dangerous?

Gas-oil, oily rags, synthetic textiles

Wood, rubber, oil

Alcohol, paraffin

Sodium hydrosulphite , potassium hydroxide, magnesium

In a fixed gas fire-extinguishing system

An audible alarm must sound when the CO2 is being released

An audible alarm must sound when half of the initial amount of CO2 has been released

An audible alarm must sound for a suitable period before the CO2 is released

All the answers are good

*At what rate shall a fixed high-expansion foam fire-extinguishing system fill the greatest space of an engine room with foam?

10 m depth per minute

15 m depth per minute

1m depth per minute

5 m depth per minute

*For how long does the fixed system of foam guarantee the application of foam on the deck of an oil tanker?

40 minutes in any case

20 minutes if there is inert gas; 30 minutes if there is not

1hour 20 minutes if there is inert gas; 1 hour 30 minutes if there is not

30 minutes in any case

Water is the extinguishing agent which is the most widely employed and its action as an extinguishing agent is due to a combination of the following phenomena:

Cooling, inhibition and dispersion

Smothering and inhibition

Cooling, smothering and dispersion

Smothering and dispersion

*At what time must an automatic sprinkler fire-extinguishing system be capable of immediate operation?

At night-time only

At all times

During navigation only

In ports, if there is less than three responsible members of the crew on duty

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

30 m

5 M

10 m

20 m

*Besides the official language of registration, what language is used in the fire control plans and booklets?

English or French

English or German

Spanish

German

*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

Which one of the listed requirements regarding two-way radiotelephone apparatus for survival crafts do not correspond to present regulations?

When necessary the battery shall be brought to the fully charged position or changed

The apparatus shall be operated from a battery of adequate capacity to ensure operation for at least 4 hours

The apparatus shall be capable of being operated on VHF channel 16

While at sea, the equipment shall be maintained in satisfactory condition

The ID of an Inmarsat M station on board starts with:

Don't know

With help of DSC a ship wants to contact a coast-station to have a question for telephone call. One has to choose from the following DSC-frequencies

TX: 8415.0 kHzRX: 8436.5 kHz

TX: 8415.0 kHzRX: 8415.0 kHz

TX: 8436.5 kHzRX: 8436.5 kHz

Don't know

The emergency battery of a GMDSS portophone:

Don't know

must be checked every week

cannot be replaced

must be replaced when the seal is broken

The following information must be given on the SART:

Date of replacement of the battries

The date of replacement of the hydrostatic release unit

The name of the operator

The MMSI number sent

The battery of an EPIRB:

Don't know

must be replaced before the expiry date is exceeded

load must be checked weekly

must be renewed every year

Responsible for on-scene coordination during search and rescue operations is:

On Scene Commander

Rescue Commander Communications

Search and Rescue Coordinator

Don't know

The receipt of a distress alert is to be pronounced as followed:

mayday (1x) / this is / own call-sign (3x) received mayday

Don't know

mayday (3x) / this is / own call-sign (1x) / received mayday / call-sign of ship in distress (1x)

mayday (1x), call-sign of ship in distress (3x) / this is / own call-sign (3x) / received mayday

The charge to the cost for a message sent by the Inmarsat-C installation must be calculated. The size of the message is 2,56kbits. The charges message sent is o,17 SDR per unit. The total charge for the message is:

Don't know

3 times 0,17 SDR

2,56 times 0,17 SDR

11 times 0,17 SDR

When stowing a container vessel, what should be considered when assessing the potential effects on the vessel's torsion?

Weight of the containers

Distribution of the containers

The vessel's draft

Distribution and weight of the containers

*A particular vessel is equipped with the possibility to insert CO2 in the scavenging air belt in case of uncontrolled fire. What are the actions to be taken in case of fire in the scavenging air belt?

Reduce the RPM to reduce the scavenge air temperature

Continue running the engine on regular speed, insert immediately the full amount of CO2 provided and await the fire to burn out

Continue running the engine on regular speed, waiting for the fire to burn out by itself. Increase the RPM, waiting for the fire to burn out by itself

When the temperature is reduced and in case the fire is not extinguished by itself, insert carefully CO2 to prevent cracks on the liners

*Where on board would you find out which fire sections are enclosed by "A" or "B" bulkheads and decks?

All the mentioned alternatives

On the capacity plan

On the general arrangement plan

On the fire control plans

Give the meaning of the following symbol

Remote controlled fire pumps

Foam release station

International shore connection

CO2 battery

During search and rescue operations an aircraft crosses the wake of your vessel close astern at low altitude.What does it indicate, if the aircraft rocks its wings, opens and closes the throttle or changes the propeller pitch?

Please call me on VHF 16 as you are not answering my calls

Your assistance is no longer required

Follow my direction to the ship in distress

Please remain where you are and await further instructions

The vessel has anchored. You are to secure the anchor. How do you do it?

By use of the brake on the winch with the motor in gear.

By use of the brake on the winch.

By use of securing wires and brake.

By use of cable stopper backed up by brake with chain slightly slack between stopper and winch.

How will the ship behave if you have a "black out" in the situation illustrated?

The vessel will turn to starboard and the speed will slowly reduce.

The vessel will turn to port and the speed will reduce gradually

The wind will push the vessel sidewards, but the heading will not change

The vessel will continue on course and the speed will slowly reduce

Which type of vessel suffers from the greatest squat effects?

Vessel with a large length to beam ratio

Vessel with a high Block Coefficient

Vessel with a low Block Coefficient

Vessel with a small length to beam ratio.

What is the correct understanding of the term "bank effect"? If a ship was approaching the bank at an angle, what would be the effect on the ship?

The vessel's stern is pushed away from the bank

The vessel’s bow is attracted by the bank.

The whole vessel would continue straight towards the bank and would require a large helm order to avoid going aground.

The vessel's bow is pushed away from the bank

" On area A1 the function "" Reception of shore to ship distress alerts"" is mainly based on:"

the use of VHF DSC

the use of MF DSC

the use of SARSAT COSPAS Epirbs

the use of SART transponders

" On area A2 the function "" Transmission and reception of on scene communications"" is mainly based on:"

the use of MF DSC

the use of VHF DSC

the use of MF and/or VHF R/T

the use of SART transponders

Inter-ship traffic at sea should preferably take place on:

Don't know

VHF channel 10 or 13

VHF channel 06 or 08

VHF channel 77 or 72

One is sailing on inshore waters with poor visibility and with the use of radar. There must be a continuous watch on VHF-channel:

Don't know

When modulating the amplitude:

the LF-vibration is modulated

Don't know

the carrier wave is modulated

the amplitude is modulated

By wave length is understood:

the distance travelled by a radio vibration in a period

the propagation speed of a radio vibration in free space

the propagation direction of a radio vibration

Don't know

In maritime radio-communication by “low power” given by a nautical phone is meant a transmitting power of:

1,0 – 1,5 watt

Don't know

O,5 watt maximum

0,5 – 1,0 watt

The range of a VHF-set is mainly determined by:

the height

the length of the antenna

Don't know

the time in UTC, as regards propagation

What are the tricing pendants made for?

They prevent people from falling down if the lifeboat falls down

They automatically prevent any gap between the ship side and the lifeboat at the first stage of its launching

They prevent the lifeboat from falling down if one or both davit breaks

They prevent the lifeboat from falling down if the falls break

*At least, how often shall life boats be launched with their assigned operating crew aboard and manoeuvred in the water?

Every week

Every three months

Every month

Every two weeks

Which one of the following items has to be included in an abandon ship drill according to SOLAS regulations?

Launching and recovery of a survival craft.

Checking that life-jackets are correctly donned.

Manoeuvring the lifeboat in the water.

Starting and operating radio life-saving appliances.

What is advisable for a person entering a padlocked refrigerated room?

He should never remove any ice or debris as the ice is needed to keep the refrigerated room at the right temperature.

He should take the padlock inside the room.

He should leave the padlock outside on the door for everyone to be seen.

He should ensure that sufficient meathooks are stored in the refrigerated room so that they will be easily found whenever needed in an emergency.

What would be the main effect on a refrigeration system of insufficient cooling water flow through the condenser?

Reduced delivery pressure

reduced suction pressure

Increased delivery pressure

Increased icing up of the compressor suction line.

What is the most likely reason for vibration and noise at the suction side of a centrifugal pump when it is running?

Pump suction valve fully open.

Water hammer in the pump casing.

Fluid friction in the suction line.

Collapsing vapour bubbles due to cavitation.

How many rescue boats should be provided on passenger ships of 500 gross tons and above?

None

Two, and at least one of the rescue boats shall be a Fast Rescue Boat

One Fast Rescue Boat

Two, one on each side of the ship

A conventional reefer vessel fitted with derricks has four large diameter Yokohama fenders supplied by the charterer. What kind of cargo operation from those given in the options is the vessel most likely being chartered for?

Loading at a dock equipped with poor fendering.

Loading cargo from barges.

Transhipment in the open sea directly from fishing boats.

Loading at a dock which experiences a large tidal range and at which strong winds are common.

This circuit consists of a voltage source V, a change-over switch S, a resistor R and a capacitor C. The voltage/time figures 1 to 4 show changes in the voltage V(C) when 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 1

Figure 3

At what calendar interval is a "Special Survey" required?

Every 2 1/2 years.

At 20 years and every five years thereafter.

Annually.

5 years.

This circuit consists of two resistances, R1 = 6 ohm and R2 = 12 ohm , connected in series. Calculate the equivalent resistance R(S) .

R(S) =18 ohm

R(S) =1,5 ohm

R(S) = 72 ohm

R(S) = 4 ohm

A medium speed diesel engine, operating with a pulse turbocharging system, has been adjusted to have good power balance. What would the cylinder exhaust gas temperatures, relative to each other, be expected to be?

plus or minus 5 degrees Celsius.

All cylinder exhaust temperatures should be equal if the cylinder power balance is correct.

plus or minus 70 degrees Celsius.

plus or minus 30 degrees Celsius.

What is the expected state of the refrigerant immediately before the expansion valve in a vapour - compression refrigeration system?

Vapour at high pressure.

Liquid at low pressure.

Liquid at high pressure.

Vapour at low pressure.

The automatic voltage regulator is used to control the output voltage of the alternator at varying load conditions by which of the alternatives?

All of the mentioned alternatives

Regulating the voltage signal to the engine governor to regulate the speed to the desired load condition

Supplying variable current to compounding and no load transformers in the alternator stator winding circuit

Varying the excitation field strength by regulating excitation voltage/current

What action should be taken if machinery does not function properly?

If machinery does not function properly, its condition should be noted and plans for further action developed together with the Chief Engineer

If machinery does not function properly, the operational parameteres should be verified and the machinery stopped

If machinery does not function properly, it should be serviced immediately

If machinery does not function properly, the Chief Engineer should be consulted

On a Bulk Carrier, what should be done immediately if during the voyage the temperature of bulk coal exceeds 55?C?

Use fire fighting water in the cargo space

Notify the harbour authorities at the port of destination

Seal the hold completely and monitor the cargo using suitable instruments

Notify the ship owner and/or charterer

Which of the following would be considered pollution, when discharged overboard, under the US water pollution laws?

All of the mentioned

Garbage

Oil

Hazardous substances

What is the hydraulic hand pump usually used for?

The hydraulic hand pump is usually used as a converter for the grease nipples

The hydraulic hand pump is usually used to blow up the fitter

The hydraulic hand pump is usually used to slack the brake on the windlass

The hydraulic pump is usually used for tightening the G-nuts

Which of the following oil products is particularly associated with the danger of contracting leukaemia through exposure to its vapours?

Benzene

Octene

Xylene

Toluene

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

On a General Cargo Vessel, what should a cargo lashing plan comply with?

The cargo securing manual

Master's instructions

Charterers? instructions

Shipper's instructions

When is the Officer of the Watch officially relieved of his responsibilities of being in charge of the watch?

The Officer of the Watch remains in charge of the watch for the full watch, when the vessel is deep sea

The Master and the Officer of the Watch share the responsibility when they are both on the bridge together.

When the Master informs the Officer of the Watch that he is taking over the "con" (watch responsibilities)

When the Master enters the bridge

How is body language generally communicated?

the tone of your voice

looking at someone directly in the eyes

touching other people

the way you stand, gesture, and walk

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

Indicate the correct name of the tool on the sketch:

Chisel

Drill press

File

Shaping machine

When a ships derrick or crane lifts a weight off the deck of a ship, from which position can the centre of gravity of the weight be considered to act?

From a position on the deck at the base of the derrick or crane

From the position on the deck from which the weight was lifted

From the head of the derrick or crane

From the centre of the weight lifted

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

No, a double bottom is not required

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.

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

What is an analogue signal?

A measure of voltage using an oscilloscope.

A stable electric signal.

A continually variable electric signal.

A measure of electric current.

How are cargo tanks classified under the IBC Code?

Stainless steel tanks / zinc coated tanks / phenolic coating tanks.

Compartments greater than 3001 cubic metres capacity / compartments between 3000 cubic metres and 1251 cubic metres capacity / compartments less than 1250 cubic metres capacity.

Centre tanks / wing tanks / deck tanks.'

Independent gravity tanks / independent pressure tanks / integral gravity tanks.

Why should one not rely wholly on a loading computer?

Because loading computers do not indicate actual sea going conditions

Because loading computers do not warn of high centres of gravity when high cube containers are carried

Because some instruments do not warn of heavy-over-light containers so long as overall stack weights are within limits

Because loading computers do not indicate the positions of high cube containers

Which of the options given is the most likely reason for a drop in pressure at the charge air manifold of a diesel engine?

Air filter to turbocharger fouled or obstructed.

Increased engine load.

Charge air cooler fouled on waterside

Air passageways or ports to the engine cylinders partly blocked due to fouling.

Which of following are security duties?

Calibration of security equipment

All alternatives

Checking ID of visitors onboard

Monitoring of restricted areas

What is the meaning of the term “Span” of a transducer

The length between the connecting flanges

Type of standard output signal according to ISO

The maximum output signal when you have a minimum process value

The difference between maximum and minimum measurement that gives a standard output signal

Gases, including methane, cannot normally be liquefied using pressure alone once they are at or above a certain temperature. What is the term used for this temperature?

Flash point.

Auto liquid temperature.

Critical temperature.

Liquid temperature limit.

A positive displacement type flow meter is defective and cannot be repaired. It is to be replaced with a new instrument which uses a Venturi type sensor. Which of the pneumatic relays given in the options will be required in order for this type of instrument to function correctly?

Multiplier relay.

Summation relay.

Square root extractor relay.

Subtraction relay.

Which of the following points would be the specific point about which a vessel will roll in a seaway?

The Centre of Gravity G.

The Centre of Buoyancy B.

The Centreline CL.

The Centre of Flotation CF.

Reefer vessels form part of the 'cold chain' in the transport of perishable goods from the producer to the consumer. There are times when hatches have to remain open in less than perfect conditions, for example strong winds. There are steps that can be taken however to mitigate the effects of this on cargo that has already been loaded. Which of the options given could be considered to be the most important measure to counter the effect of such conditions?

Run the cargo fans continuously during cargo operations.

Refrain from ventilating the cargo with fresh air.

Reduce the air delivery temperature.

Cover the stow with a Tenasco (heavy plastic) sheet where possible to protect it from the wind.

What is the most important consideration when planning the lashing system for a particular sea route on a General Cargo Vessel?

Encountering heavy weather

Transverse accelerations

The breaking strength of lashing materials

The size and weight of general cargo items to be loaded

A company must update its Safety Management System and Manual:

whenever regulations change

at least once every 18 months

at least once every 12 months

at least once every 6 months

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.

On a Container vessel, which of the following is a Flammable Liquid, under the IMDG Code?

Any liquid with a flashpoint above 63 degrees Celsius closed-cup test

Paints, which emit flammable vapours up to and including 60 degrees Celsius closed-cup test

Paints, which emit flammable vapours above 60 degrees Celsius closed-cup test

Any liquid with a flashpoint between 60 degrees Celsius and 70 degrees Celsius closed-cup test

All liquefied gas carriers, including LNG carriers, must comply with the requirements of the IMO Gas Codes. Which certificate confirms compliance with the Gas Code requirements?

Cargo Ship Safety Equipment Certificate.

Cargo Ship Safety Construction Certificate.

Loadline Certificate.

Certificate of Fitness.

How can the Master ensure that all cargo loading doors, bow visors, weathertight ramps etc. are locked and secured before the ship proceeds on any voyage?

Automatic systems will alarm you if the doors are not properly secured.

By having an effective system of supervision and reporting of the closing and opening of doors. Time of closing and opening of doors shall be entered in the log-book.

The bosun is always responsible to check the watertight integrity before the ship proceeds on any voyage.

By having experinced officers and crew to supervise the closing and opening of doors. Time of closing and opening of doors shall be entered in the log-book.

What is the letter ‘P’ under the IMDG Code?

Pollutant

Marine Pollutant

Severe Marine Pollutant

Packaging

Why should cargo residues be removed from bilge wells?

Because corrosion will occur

Because bilge sounding pipes could become blocked

Because moisture levels will increase in the cargo holds

Because other cargoes will be contaminated

What is the time limit for abandonment of ro-ro passenger ships?

2 hours from the time the abandon ship signal is given

15 minutes from the time the abandon ship signal is given

30 minutes from the time the abandon ship signal is given

There is no time limit

On a RoRo vessel, what factor(s) determine whether or not a cargo unit will tip over?

The length and width of the cargo unit

The width of the cargo unit

The shape and centre of gravity and securing arrangements of the cargo unit

On a Container vessel, why should a vessel not carry left and right-handed twistlocks?

Because containers cannot be locked using both types of twistlock

Because there will be confusion as to whether or not containers are locked

Because international regulations do not permit it

Because the two types of twistlock have different strength ratings

Many large slow speed diesel engines operating on heavy fuel oil have a fuel injection system which features Variable Injection Timing. How does this affect engine operation?

VIT allows the ship's engineers to alter the injection timing for each load setting with a simple single adjustment of the fuel rack.

VIT increases engine efficiency by automatically maintaining the maximum cylinder pressure over the entire load range.

VIT increases engine efficiency by automatically maintaining the maximum cylinder pressure over part of the load range.

VIT improves engine operation by automatically controlling the start of fuel injection when it detects a poor quality fuel.

The "dew point" of a liquid chemical is often quoted in the documentation relating to its loading and carriage. Which of the following is a definition of "dew point"?

The temperature at which a gas is saturated with respect to a condensable component, as in operational terms is seen at the point when air is saturated with moisture.

The temperature at which dry-ice melts in Acetone.

The temperature at which a condensable component is saturated with respect to a gas, as in operational terms is seen at the point when moisture no longer detectable in air.

The temperature at which a saturated gas exhibits condensation.

If the carriage of a new Noxious Liquid Substance not yet listed in the IBC Code is considered, this may be achieved through a "tri-partite" agreement. Who must this agreement be between?

The Port State of the Shipper / the Flag State of the Carrier / the Port State of the Receiver.

The Flag State of the Shipper / the Flag State of the Charterer / the Flag State of the Receiver.

The IMO / the Port State of the Shipper / the Port State of the Receiver.

The Shipper / the Receiver / the Operator or Charterer.

The following DSC message was received:(see original )This message was sent by a:

vessel

Don't know

coast-station

aeroplane

On which frequencies do most satellite EPIRBs operate?

121.5Khz

121.5/406MHz