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Онлайн-тестирование: Онлайн-тест CES 5.1 для Ch-Eng / 2nd-Eng
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Тест состоит из случайных вопросов по выбранной теме.
Вопрос 1 из 90
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*As regards the launching and recovery arrangements for rescue boats which is required among the following?
Different type of launching and recovery arrangements shall be used for similar survival craft on board the ship
Each lifeboat shall be provided with separate appliances which is capable of launching and recovering the lifeboat
Means shall be available to prevent any discharge of water on to survival craft during abandonment
Launching and recovery arrangements shall be such that they can be operated at all times from the bridge
How much food per person is supplied in a lifeboat?
None - only barley sugar sweets supplied
Not less than 10000 kJ
Not less than 20000 kJ
Not less than 5000 kJ
Which class of fire involves liquids?
Class D fire
Class C fire
Class A fire
Class B fire
*Is it necessary to have a visual and audible signal if an automatic sprinkler begins to work?
Yes
. Yes, if the sprinkler is in an unmanned engine room
Yes, if the spraying nozzle in question is not normally accessible to the crew while the ship is being navigated
No
Which fire-fighting equipment is most efficient and with least side effects in case of a large fire in the engine room?
Central foam extinguishing system
Sprinkler system
Powder extinguishing system
Central gas extinguishing system and/or waterfog.
Sanitary-, ballast-, bilge- or general service pumps may be accepted as fire pumps provided: (SOLAS II-2/4.3.2)
They are ready for use as fire pump at any time
They can be started from a position outside the engine room
They are not normally used for pumping oil
They are fitted with automatic start connected to the fire alarm
In pumprooms and pipe tunnels "flameproof" electric light fittings are generally fitted. This means that:
Gas may enter, but even if an explosion takes place the fittings is so strong that the explosion will be contained within it and will not be blow out?
Even if fire occurs, it will not consume the fitting?
The electrical supply will disconnect automatically in cases of fire?
The fitting is completely gastight and no gas can enter into contact with the bulb and electric connections?
What will be the minimum volume of halon to extinguish a fire in an enclosed room?
10% of the volume of the room
15% of the volume of the room
4.25% of the volume of the room
20% of the volume of the room
"A" class (fire) divisions are those divisions formed by bulkheads and decks. Which of the following requirements do not comply with the rules? (SOLAS II-2/3.3)
Constructed of steel or other equivalent material
Suitably stiffened
Insulated on both sides with approved non-combustible material
Preventing passage of smoke and flame to the end of a one hour standard test
Regular ‘updating’ of a vessel’s position in an Inmarsat-C installation is among other things of importance:
to exclusively receive MSI-reports meant for the NAVAREA where the vessel is
because the Inmarsat organisation, in connection with the good reception of MSI-reports, makes it……
because MSI-reports for own vessel can't be received otherwise
Don't know
According to basic principles regarding fire protection the ship is to be divided in zones by structural and thermal boundaries. Which? (SOLAS II-2/2.2.1)
In main zones according to utilization (Accommodation, Machinery, Cargo)
Main Fire zones in accordance with the ship's fire-fighting system
In main horizontal zones
In main vertical zones
When a vessel violates the oil pollution laws, who may be held responsible?
Captain only
Officers only
Shipowners only
Any one involved in the operation
For which ships is the load line convention applicable?
For vessels in ballast condition.
For deep draft vessels.
For vessels in foreign trade.
For all vessels.
If Mouth - to - Mouth (M-T-M) ventilation by itself is unsuccessful and the casualty's heart stops, or has stopped beating, you must perform External Chest Compression (ECC) in conjunction with M-T-M. What is the complete rate when performing ECC?
Complete 15 compressions at the rate of 80 compressions per minute
Complete 10 compressions at the rate of 40 compressions per minute.
Complete 25 compressions at the rate of 75 compressions per minute.
Complete 20 compressions at the rate of 60 compressions per minute.
What is Hypothermia and how is it cured?
Body temperature below 35C / Heat the body
Body temperature above 39C / Cooling down the body
Body temp below 23C / Slowly heat the body
Heavy coughing / Medication
What is the purpose of the O.D.M.E. (Oil Discharge Monitoring Equipment) printer ?
To prove fault conditions in the O.D.M.E
To prove that the O.D.M.E. system has been used
None of the mentioned
To prove that oil has been pumped overboard according to regulations
Which of the following requirements regarding on board stability data corresponds to present regulations? (NSCL 4/12.1)
Drawings and caculations documenting the stability of the ship, both in intact and all possible damage condition.
A calculation example showing the use of "KG" limitation curves.
A calculation example showing use of "GM" limitation curves.
Stability data produced by stability calculation instruments.
*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
If the OOW must leave the voyage plan, he should?
Inform the master
Check the new plan
No special action necessary
Make a note in the log book
*The steps of the embarkation ladder used must be spaced apart by a distance of:
300 mm
200 mm
equally spaced, not less than 200 mm or more than 280 mm
equally spaced, not less than 300 mm or more than 380 mm
For how long and at what speed is a fully loaded lifeboat designed to operate in calm weather ?
6 knots for 24 hours
4 knots for 48 hours
3 knots for 24 hours
10 knots for 24 hours
Which of the following fittings shall be provided to all lifeboats:
permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat
a non-skid finish on all surfaces on which persons might walk
a remotely operated steering arrangement
an electric power starting system for the propulsion engine with one rechargeable energy source
Which item among those below is included in the normal equipment of every lifeboat ?
one life-jacket for each person
an EPIRB
sea-charts and navigating equipment
two boat-hooks
Which item among those below is included in the normal equipment of every lifeboat ?
sea-charts and navigating equipment
one immersion suit for each person
a VHF transceiver
portable fire-extinguishing equipment suitable for oil fires
*Which among the following list is required for lifeboat equipment according to present regulations ?
be secured in the lifeboat (except boat-hooks) by lashings, storage in lockers, compartments, brackets or similar arrangement
be made of fire-retardant material and stored in buoyant containers
be made of buoyant material or stored in buoyant containers
be made of fire-retardant material
An enclosed lifeboat is fitted with a self-contained air support system. With the engine running, what is the minimum period of time the air should remain safe and breathable?
10 minutes
30 minutes
5 minutes
20 minutes
*What is the meaning of this symbol ?
Lower liferaft to water
Release gripes
Lower rescue boat to water
Lower lifeboat to water
How many two-way VHFs is required for ships over 500 brutto?
3 sets
One per lifeboat and one spare
1set
None
What is the meaning of this symbol ?
Release gripes
Rescue boat
Release falls
Lower rescue boat to water
During test and/or maintenance work of the CO2 system affecting the release system, precautions to ensure that the gas is not released into the engine room due to a mistake are to be ensured. What precautions should be taken?
No special precautions necessary.
Arrange a watchman in the CO2 central.
Check the main valve for a potential leakage.
The main supply line to be blanked off prior to the work.
Which electronic component does this graphical symbol represent?
Diode
Transistor
Silicon controlled rectifier
Tunnel diode
When is a ro-ro vessel likely to pitch heavily?
When wave lengths are roughly equal to twice the ship’s length
When wave lengths are roughly half the ship’s length
When the seas are from astern
When wave lengths are roughly equal to the ship’s length
Which of this information must be included in a piracy attack alert?
The type of weapons being carried by the pirates/highjackers.
The number of pirates/highjackers.
The number of crew onboard.
Your ship’s name and call sign.
Why do we use stabilisers on passenger ships?
To decrease the rolling angle of the vessel
To adjust the trim of the vessel
To increase the intact stability
To decrease the dynamic stability
How often should normal testing of the cooling water be done?
Once a month.
Every 2.nd week.
Every day.
Once a week.
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 will happen with the interface in the bowl, if the flow is too high?
The separation of the oil is bad.
The separation of the oil is good.
Will have no effect on interface.
Broken water seal.
In oil tanker operations, what is understood by the term "Load On Top"?
Loading part of an oil cargo in one port, then loading the same type of cargo "on top" in a subsequent port.
Loading a new compatible cargo "on top" of the oil and water residues from a previous cargo in the sloptanks
Loading an oil cargo into the tanks tanks through hoses inserted through the tank hatches and lashed in position
Loading part of an oil cargo in one port, then loading a different type of cargo "on top" in the next loadport
On what design temperature do we need full secondarry barrier
When the design temperature is below –55oC
Only if the cargo tanks are loaded
When the design temperature is below –55oC and the tank is not independent type B or C, we must have full secondary barrier
When we are carrying cargo on less than –10oC
For what purpose are we using a Mollier diagram?
We use the Mollier diagram to calculate the differential pressure over the cooling plant.
We use the Mollier diagram to calculate the heat transferred to the cooling plant.
We use the Mollier diagram to calculate the vapour flow in the cooling plant.
We use the Mollier diagram to calculate the cooling capacity of the cooling plant.
What is a typical composition of LNG (Arabian Gulf)?
Methane 100%
Methane 75% - Ethane 12% - Propane 13%
Methane 80% - Ethane 15% - Propane 5%
Methane 91% - Ethane 6% - Propane 3%
"If drugs or suspected drugs are found onboard your ship, follow the five C’s. Confirm, Clear, Cordon, Control and:"
Check
Chuck
Change
Cheer
What should not be done when a container of liquid ammonia is on fire?
Restrict ventilation
Cool the container with water
Use a dry chemical fire extinguisher or carbon dioxide gas
Use self-contained breathing apparatus
On a General Cargo Vessel, what must be done if a crane or derrick block sheave is found to be worn?
No action needs to be taken
Inform Chief Officer and prepare to change block if required
Block changed at next thorough inspection
Monitor condition of block regularly
After cooking, at what minimum temperature must rice be maintained during service?
37.8 degrees Celsius.
63 degrees Celsius.
93 degrees Celsius.
Between 10 and 12 degrees Celsius.
Wich type of compressors are used as cargo compressor onboard liquified gas carriers?
One, two and three stage piston compressors.
Piston, screw and centrifugal type compressors.
One, two and three stage screw compressors.
Oil free screw and piston compressors.
A refrigerated container vessel described as being 'con-air' would most likely maintain perishable products by which of the following means?
By supplying fresh water to the holds for additional cooling of suitable integral units.
Electric power supplied to clip on units which are attached to the reefer containers.
Cold air delivered direct to the containers via a system of ducts.
Electric power supplied direct to the containers via connections on deck and in the holds.
For what purposes is nitrogen used in cargo tanks on a chemical tanker?
Cleanliness (provision of a clean atmosphere in the tank) and quantity (minimising any loss of cargo through evaporation).
Maintenance (nitrogen in the tank restricts moisture build-up and stops corrosion on the tank bulkheads).
Quality control (the nitrogen blanket ensures a uniform temperature throughout the product by stopping loss of heat at the surface).
Safety (atmosphere control) and purity (maintenance of quality of product by stopping contact with air).
What is the most likely cause of the clean oil outlet pressure being higher than normal when operating a centrifuge as a fuel oil separator?
Drive clutch slipping.
Valve in the outlet line incorrectly positioned.
Broken water seal.
High fuel oil temperature.
A mixed deck cargo is to be loaded on a General Cargo Vessel; what are some of the important checks to be made by the Officer of the Watch?
Access to the ER and galley are unaffected
All fire hydrants and sounding pipes must be accessible
All hatch covers and the paint store must be accessible
Deck cargo is loaded no more than two metres above the deck
Why are duplex filters usually employed in the lubricating oil system of an auxiliary diesel engine?
Changing of the filter element can be carried out without interrupting engine operation.
The pressure drop is half that of a single filter unit.
Filter blockage will not occur.
It gives better filtration of the oil.
For what are bridge indicators required on board a ro-ro vessel?
All shell doors which, if left open, could lead to major flooding
All hinged doors in watertight bulkheads
All sliding doors in watertight bulkheads
All
Under normal circumstances 21% O2 is diluting toxic gases, which one are we talking about?
None to be diluted?
Carbon monoxide, nitrogen dioxide, nitric oxide, sulfur dioxide?
Natrium monoxide, ferro chloride, hydrogen sulfide dioxide?
Sulfur, monoxide, hydro chloride, carbon dioxide?
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 is the main quencher for an oil tanker?
Powder.
Foam.
Water.
Carbonic acid.
Why is drying of cargo handling system necessary on refrigerated ships?
To avoid contamination of water in cargo.
To avoid high oxygen content in cargo tanks.
To avoid icing and hydrate formation in the cargo system.
To increase the dew point.
On the figure 4 possible definitions of the term "AHEAD" are given. Which one is the correct one?
Ahead is given by C on the figure
Ahead is given by B on the figure
Ahead is given by A on the figure
Ahead is given by D on the figure
An OBO or O/O carrier, due to the movement of liquid in a cargo hold during rough weather, the possibility of liquid entering the inert gas piping is great. To avoid this U-bends are sometimes fitted on the line emerging from the hatch coaming. These bends generally have a drain cock at the bottom. These cocks should be:
Opened and checked every day irrespective of the weather?
Opened after rough weather or before loading/discharging or transferring cargo to check for liquid accumulation and contents drained into a drip pan.
Never opened?
Left open during rough weather to prevent liquid being trapped in the U-bend and blocking the line?
How would you arrive at the ‘Stowage Factor’ of a carogo commodity?
By dividing the volume of the space by the tonnage of the commodity
By dividing the area of the space by the tonnage of the commodity
By dividing the gross tonnage of the space by the area of the commodity
By dividing the gross tonnage of the space by the volume of the commodity
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.
What is the main reson for keeping engine lubricating oil viscosity within recommended limits?
To neutralise any acids that may form.
It is not important
To ensure the strength of the oil film is sufficient to keep lubricated surfaces apart.
To reduce system pressure losses.
What danger is associated with damaged expanded metal gratings on loading ramps?
Vehicles’ windscreens may be damaged during cargo operations
The front and/or rear ends of vehicles may be damaged during cargo operations
Vehicles’ tyres may be damaged during cargo operations
The load density of the ramp will be affected
In the formula 0.9LBD (tonnes) for the amount of high density bulk cargo that can safely be loaded in a cargo hold, what is the value of ‘D’?
The summer load draught
The tropical load draught
Maximum depth of the cargo hold
Moulded depth of the cargo hold
When we are measuring temperature with a thermistor, the type of sensing device is:
Temp sensitive semi-conductor
Junction of two dissimilar metals
Capacitance probe
Platinium wire resistor
What is the main purpose of having a deaerator in a boiler feed water system?
To remove oxygen and other dissolved gases from the feed water.
To provide a dosage point for feed water treatment.
To reduce the total dissolved solids in the feed water.
Toact as the primary feed heater.
What is the recommended method of identifying galley utensils, such as knives, chopping boards and containers, that are dedicated to the preparation of specific types of food?
All galley utensils can be used for the preparation of any foodstuffs, so there is no need to dedicate or identify them in any way.
By making only one person responsible for issuing all utensils and tools in the galley.
A standard colour coding system.
By storing them in individual drawers or lockers.
Through time the container stools on the weather deck / hatch tops of a container vessel can suffer from corrosion and wear down. Select the most dangerous consequence of ignoring this.
It may be difficult to fully lock the twistlocks.
The deck stool may collapse causing the lashings to go slack.
The container will not sit evenly on all four corners.
It may be difficult to remove the twistlocks during cargo operations.
Which of these weapons are widely available and commonly used by criminals and terrorists to further their aims?
Liquid explosive
Gun
Vehicle borne device
Incendiary device
What is the approximate normal daily cargo "boil off" rate for an LNG carrier of 125000 cubic metre cargo capacity?
From 0,75 % to 0,80 % per day of total cargo.
From 0,30 % to 0,35 % per day of total cargo.
From 0,15 % to 0,20 % per day of total cargo.
From 0,01 % to 0,05 % per day of total cargo.
During maintenance work on the main engine a problem arises regarding the lifting of a main component in that the manufacturer's instructions ado not apply to the engine as fitted and present a hazard. In which of the information/record sources given in the options, is it most important to record the information relating to this anomaly?
Engine room planned maintenance schedule.
Engine room log book.
ISM procedures in the ship's safety manual.
Safety officers report.
By what formula is the displacement calculated? W = Displacement; L = length; B = Breadth; D = depth of vessel; Cb = Block Coefficient; Cw = Coefficient of waterplane; RD = relative density;
W = L x B x d x Cb
W = L x B x d x Cw
W = L x B x d x RD
W = L x B x d x RD / Cb
What kind of safety protection is to be weared during a mooring operation?
Safety shoes and boiler suit.
No particular.
Gloves and helmet.
Helmet, safety shoes, gloves and protecting cloths.
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
What is the purpose of the discharge booster pump?
To increase the manifold pressure.
To increase the NPSH.
To maintain the cargo temperature.
To compensate for friction losses in the discharge line.
When a submerged centrifugal cargo pump is being run at too high a speed during discharge of a viscous cargo, the pump may start racing, causing a heat build-up around the suction, possible localised solidification of the cargo and consequent damage to the pump. What term is applied to this problem?
Synthesis.
Cavitation.
Aggregation.
Gravitation.
What is the minimum MARVS on a fully pressurised liquefied gas carrier?
Not be less than 7 bar.
Not less than the gauge vapour pressure of the cargo at 45 degrees C.
Not less than the gauge vapour pressure of the cargo at 0 degrees C
Not less than 0.7 bar.
Which group of dangerous goods is generally considered as being the most hazardous for marine transportation on a General Cargo Vessel?
Toxic Gases
Infectious substances
Inflammable liquids
Organic peroxides
When considering how non-containerised perishable cargoes such as bananas and grapes are presented for loading the temperature of the cargo is important. Which one of the statements included in the options is correct?
Bananas and grapes are both loaded pre-cooled.
Bananas and grapes are both loaded at field temperature.
Bananas are loaded at field temperature while grapes are pre-cooled.
Grapes are loaded at field temperature while bananas are pre-cooled.
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
What is the disadvantage of using High Tensile Steel (HTS) in ship construction?
Failure without warning
Enhanced vibration in HTS areas
Low elasticity
Diminished cargo carrying capacity
During restricted visibility you are posted, as lookout, on the bridge and you hear 1 prolonged blast at intervals of no more than 2 minutes on your port bow. What will you report to the OOW (officer on watch)?
Power-driven vessel making no way on port bow
A vessel at anchor on port bow
A vessel aground on port bow
Power-driven vessel making way on port bow
You are to load a cargo ofIsocyanate to tank 4CP and the cargo hose from shore is to be connected to a flange directly adjacent to the cargo pump, so that the manifold cross-over and deck cargo line are not used. What must you place underneath the connection?
Some sawdust or other absorbant material.
A red flag.
A portable drip-tray.
A label stating "portable connection".
What special requirements applies to fire alarm signalling systems in passenger ships
Remote control of fire doors and reactivation of ventilation
Same requirements for Fire alarm systems applies to all ships
Centralized in a continuously manned control station with remote control of fire doors, Indication of open or closed fire doors
Fail safe, Centralized in a continuously manned control station, Remote control of fire doors, Indication of open or closed fire doors, Reactivation of ventilation, Detector status, Back up powered
A ships 3 - phase a.c. system has 440 V and 220 V sections. The effect of a single short circuit fault to earth on a 220 V line will cause which of the following earth lamp indications:
In 440 V section: all lamps equally bright. In 220 V section: Two lamps bright one lamp dark.
In 440 section: All lamps equally bright. In 220 section: All lamps dark.
In 440 V section: All lamps equally bright. In 220 V section: One lamp dim.
In 440 V section: One lamp dim. In 220 V section: One lamp dim.
What should you do in case of any fire breaks out?
Ask passengers to assist you with fire-fighting
Fight the fire and report to the bridge when you have extinguished it
Alert the bridge, Rescue human life, Extinguish if possible by use of available fire fighting-fighting appliances, Secure the area/ damage control
Call FIRE-FIRE-FIRE
The inductance which will induce an EMF of 1 Volt in a conductor when the current is changing at a rate of 1 Amp per second, is defined as
One Reactance Unit
One Farad
One milliHenry
One Henry
Why do many engine makers recommend to grind the valve spindle sealing surface with a half degree difference to the valve seat?
To avoid sticking between valve and seat during high load operation
To improve the sealing surface between valve and seat during operation of the engine (compensate for the bending of the valve disc caused by combustion pressure)
To minimize heat transfer between seat and housing.
To compensate for the heat expansion
What is the single most important factor when dealing with the hydraulic oil for a crane?
Any oil spillages to be salvaged for further use.
All of the mentioned alternatives.
Use of dedicated, clean dry transfer equipment, ie. buckets, tubing and pumps etc.
Ensure all service tanks are kept at maximum level.
At which of the pressures shown should the low suction pressure trip operate on a freon compressor?
+2 bar
+ 5.0 bar
+ 10 bar
- 0.5 bar
If a leak occurs in a lube oil cooler, the water cannot mix with the oil because the:
Cooling pump will automatically stop.
By-pass valve will open.
Oil pressure is greater than the water pressure.
Outlet valve will automatically close.
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.