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Главная Онлайн-тесты CES Chemical tanker 2nd-Off / 3rd-Off Онлайн-тест CES 5.1 для 2nd-Off / 3rd-Off, Chemical tanker vessel
Онлайн-тестирование: Онлайн-тест CES 5.1 для 2nd-Off / 3rd-Off, Chemical tanker vessel
Онлайн-тест
Описание
Тест состоит из случайных вопросов по выбранной теме.
Вопрос 1 из 90
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A rocket parachute flare reaches an altitude of
not less than 300m
not less than 40m
not less than 450m
not less than 180m
Give the meaning of the following symbol
Survival craft distress pyrotechnic signals
Lifeboat hand flare
Buoy fitted with line throwing appliance
Line throwing appliance
What kind of process is a fire?
it is a physical process
all the answers are good
it is a process characterised by an emission of heat, light and smoke
it is a chemical process
After smoking, cigarettes should be disposed off as follows:
Disposed of in an ashtray, ensuring that it is extinguished
Dropped into a waste bin
Dropped over the lee side only so that it cannot blow back on board
Dropped over the side only if you are certain they are extinguished
Apart from red, what other colour is frequently used for a CO2 extinguisher?
Yellow
Green
Black
Light blue
What is the minimum number of portable fire extinguishers that must be carried on ships of 1000 GRT and above?
5
7
3
9
Fuel oil from a leaking fuel pipe has been collected in a drip tray under the boiler furnace.The oil is suddenly ignited by a backflash from the boiler burner.The boiler room is manned and the person present has the choice of various extinguishers. The fire is purely a surface fire. What would be the preferable extinguisher?
Powder
CO2
Water
Any of the mentioned alternatives
*Generally speaking, what is the value commonly recognised as the maximum concentration of oil vapours allowed in the breathing air of a breathing apparatus?
5mg/m3
500mg/m3
10mg/m3
50mg/m3
*A self contained breathing apparatus should contain at least 1200 litres of air. How long should this last for a normal person who is not carrying out hard work?
30 minutes
45 minutes
60 minutes
15 minutes
The display of a radiotelephone-installation shows the following selections: Transmitting mode: H3E Transmitting frequency: 2187,5 kHz The transmitting mode indicator is “flashing”. This can mean that:
You are ready to press the send buuton
The radiotelephone-alarm signal must be transmitted now
The transmitting mode is not compatible with the chosen frequency
The “H3E”mode is to be selected before transmitting on the 2187,5 kHz band
Hoses subject to tank pressure or the discharge pressure of pumps should be designed for a bursting of not less than :
5 times the maximum pressure the hose will be subjected during cargo transfer.
8 times the maximum pressure the hose will be subjected during cargo transfer.
2 times the maximum pressure the hose will be subjected during cargo transfer.
3 times the maximum pressure the hose will be subjected during cargo transfer.
If you discover alcohol and drug abuse onboard, Whom do you report to?
The master.
Port authorities.
The manager.
Flag state authorities.
OPA-90 is applicable for the following types of vessels
All vessels carrying more than 10 000 gallons of oil , irrespective whether as cargo or bunker
Tanker vessels carrying oil
Tanker vessels carrying oil or other dangerous cargo
Tanker vessels carrying oil without segregated tanks
Who shall notify the cleaning up contractor (OPA-90)
The shipowner
The Master
Emergency response team
Qualified Individual
Chemical burns in eyes or on the skin can cause severe damage. Some chemicals may be absorbed through the skin and cause widespread and sometimes fatal damage within the body. What is the first main treatment if someone is a victim of chemical burns?
Break possible blisters around the eye and mouth.
Apply lotions, ointments to the affected area ASAP.
The casualty may be free to both rub the eye and the affected area.
Remove any contaminated clothing and flood the affected area with slowly running water. Make sure that the contaminated water drains away freely and safely.
You are the Sen.Off.Deck on vessel "A" and you have been involved in collision with vessel "B". Your cargo is fuel oil. The oil cargo is leaking out and the weather condition is good. What will you do to avoid the oil to reach and pollute the coast line?
By throwing chemicals on the water.
By putting the vessel mooring ropes as an oil boom around the vessel and the oil slick.
Asking any other vessel for immediately help.
By doing nothing and hope that the current will move the oil slick into the open sea.
Give the meaning of the following symbol
Area protected by CO2
CO2 horn
CO2 portable fire extinguisher
Gas detector
Give the meaning of the following symbol
Halon horn
Water monitor gun
CO2 horn
Sprinkler horn
What would be the correct definition of the term "Squat"?
Squat is the reduction of underkeel clearance due to increase of water flow under the keel and an increase in the water pressure
Squat is the reduction of underkeel clearance of a ship when it moves through shallow water due to a reduction in water pressure.
Squat is the loss of effectiveness of the rudder and propeller as a ship moves through shallow water due to the reduction of water pressure.
Squat is the reduction of underkeel clearance and the possible change of trim of a ship when it moves through shallow water due to a reduction in water pressure.
When connecting a tugboat, what speed do you think is best for your vessel to maintain during this operation?
A tug may be connected at any convenient speed
The speed should be less than 5 knots, normally 3 - 5 knots
The speed should be more than 7 knots
It is best to stop the vessel completely before connecting
In accordance with GMDSS rules, the frequency 2187.5 kHz is used for:
On scene communication
Distress traffic
Routine message
Distress alerting
What should not be found on the muster list ?
the name of each inoccupants (passengers included, if any)
indications about the substitutes for key persons, in case they become disabled
the duties assigned to the different members of the crew
details of the general emergency alarm signal
the minimum number of lifebuoys required on a cargo ship depends on:
the tonnage of the ship
the number of persons on board
the length of the ship
the sea area in which the ship is allowed to sail.
Give the meaning of the following symbol:
immersion suit
lifejacket
child's lifejacket
waterproof protection
Give the meaning of the following symbol:
survival kit
lifejacket
immersion suit
child's lifejacket
Which of the following features is required for an anti-exposure suit ?
is marked that it must be worn in conjunction with warm clothing if it is made of material which has no inherent insulation
is marked with the name of the vessel to which the appliance belongs
is made of such a material that it cannot be torn
can be continously worn without impeding every duties to be performed by the wearer when in normal watch on the bridge
A person wearing an anti-exposure suit shall be able to:
climb up and down a vertical ladder of at least 5m in length
jump from a height equal to that of the stowage of liferafts arranged to be thrown overboard
dive into the water to the maximum draft of craft that the ship is provided with
don and remove the suit in the water in no more than 5min. if it impairs ability to swim
The main buoyancy chamber of an inflatable liferaft must be divided into:
3 compartments
3 compartments separated by a non-return valve
2 compartments separated by a non-return valve
2 compartments
*Which one of the following items has to be included in an abandon ship drill?
Starting and operating radio life-saving appliances
Launching and recovery of a survival craft
Manoeuvring the lifeboat in the water
Checking that life-jackets are correctly donned
*Which of following items shall be included in an abandon ship drill?
Checking the lifeboat provisions and supplies
Checking the distress signal rockets and other distress signals
Checking passenger's immersion suits
operation of davits used for launching liferafts
*Which of the following detailed explanations should be mentioned in the Training Manual ?
How to use navigational equipment for survival crafts
How to release from launching appliances
How to use escape routes and other escape methods
How to use surface to air visual signals to be used by survivors
*Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of surface to air visual signals to be used by survivors
The use of escape routes and other escape methods
The use of navigational equipment for survival crafts
The use of devices for protection in launching areas
A triac is used to provide temperature control of an oven. The galley complain that the oven only reaches approximately 50% of demanded temperature. Which of the following is a likely cause?
The voltage supply to the oven controller is reduced by about 50%
Connection between the demand knob and the triac gate terminal has gone open circuit.
One of the main switching elements in the triac has failed.
The triac has completely failed.
What is understood by the term "take the helm"?
Change the place where the lookout is standing.
Take over heaving of a rope.
Take over the steering of the ship.
Take a message to another officer.
What is the correct name of the part highlighted in the sketch?
Cylinder head
Air inlet valve
Exhaust valve
Cylinder relief valve
What method should be used to discharge a semi-pressurised gas carrier if there is a break down on the cargo discharge pump?
By using the cargo compressor to pump the cargo vapour ashore as it boils off.
By using a portable submersible pump to empty the affected tank
By using the inert gas system to pressurise the cargo tank and force the liquid cargo ashore.
By pressurising the vapour space of the cargo tank using a vaporiser and cargo compressor to force liquid cargo ashore.
Which of the tools given in the options would be best suited for cutting a piece of angle iron?
Hacksaw.
Tenon saw.
Crosscut saw.
Rip saw.
Why is nitrogen used for the inerting of hold spaces and interbarrier spaces on LNG carriers?
Because of the high oxygen content of combustion generated inert gas.
Because the carbon dioxide in combustion generated inert gas would freeze when in close proximity to the cargo.
Because of the high humidity in combustion generated inert gas.
Because of the high temperature of combustion generated inert gas.
In the event of a severe scavenge fire, which of the following is most likely to be seriously damaged?
Piston rod and stuffing box.
Exhaust valve.
Crosshead bearing.
Piston crown.
What is an effective means of measuring total dissolved solids in boiler water?
Not possible to test solids in boiler water.
Alkalinity test.
Chloride test.
Conductivity test.
On oil tankers, Cargo tanks can be isolated from machinery spaces by:
Pump room
Ballast tanks
Cofferdams
All the answers are good
Which of the following is considered as a possible source of ingress of seawater into the cargo holds?
Topside tank drop valves
Cargo hold bilges
Shell plating
Hatch covers and coamings
Which of the following is a summary of the features of a "controlled tank venting system" as may be found on a chemical tanker?
PV valves are fitted to limit the pressure or vacuum in the tank; no shut-off valves may be fitted either above or below the PV valves; provision may be made to by-pass the PV valves under certain operating conditions; such a system shall consist of a primary and secondary means of allowing full flow of vapour, except that the secondary system may be replaced by pressure sensors fitted within the tank.
The system permits vapour recovery via a collection manifold which may be connected to a shore reception facility.
PV valves are fitted to limit the pressure or vacuum within the tank; the PV valves shall be capable of being isolated or by-passed; the system shall be supplemented by pressure sensors within the cargo tank.
The system is fitted to a tank used for cargoes having a flash point not exceeding 60 degrees Celsius and is fitted with a device to prevent the passage of flame into the cargo tank.
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
Which of the following hazard risks generally apply to the carriage and handling of LNG and its vapours?
Flammable, Toxic and Frostbite
Flammable, Toxic and Corrosive.
Flammable, Corrosive and Frostbite.
Flammable, Asphyxia and Frostbite
How should wooden chopping boards be arranged after washing?
They should be placed in an oven set on a low heat, to dry them as quickly as possible.
They should be quickly wiped with a cloth and then stacked on top of one another.
Wooden chopping boards should not be washed; they should only ever be scraped and wiped with a dry cloth.
They should be placed vertically in a drying rack, in such a way that air circulates over all surfaces during drying.
Prior to commence loading, in what way would you best ensure a smooth technical operation?
Test/check the COW system?
Test/check the cargo pumps?
Test/check cargo pipes?
All the mentioned alternatives?
In which of these circumstances can your ship request a DoS?
There is a heightened security risk for your ship and a port facility.
Your ship is conducting activities with a port or ship that is not required to implement an approved security plan.
Your ship is operating at a lower security level than the ship or port it is interfacing with.
Your ship has added a new port to its list of ports of call.
When handling slops on an oil tanker, what is meant by "settling"?
Allowing any waxy layers to settle below the residual oil
Allowing the oil and water to separate out
Allowing the mixture to rest once it has been pumped into the slop tank, so that any static charge disperses
Allowing any sediment to separate out and drop to the bottom of the tank
A producer is attempting to reduce costs by packing his fruit in cheap, poor quality cardboard cartons. Which of the given options would be the most likely outcome of using inferior quality cartons for packaging of perishable cargo for carriage in a refrigerated vessel?
The cartons may tear when being handled by the stevedores.
The cartons are more likely to be water damaged by a rain shower.
The lower rows of cartons in the stow will collapse and cause crush damage to the cargo.
The cartons will be a poor advert for the producer.
Which of the following voltage levels would be regarded as high voltage likely to be found on a ship?
660kV
220V
6.6kV
690V
What is the output shown on the "Rate of Turn" display fitted on the bridge?
The Rate of Turn indicator shows the rudder angle applied by the helmsman to turn the ship.
The Rate of Turn display shows the turning speed the vessel is swinging in degrees per second
The Rate of Turn indicator shows the changing angle of the vessel from the meridian
The Rate of Turn indicator displays the rate the ship is swinging in degrees per minute
Where is there a likelihood of inadequate initial design on a bulk carrier?
Around the hatch corners
On cross-deck plating
On the sheer strack
On shell plating
Zener barriers are sometimes used to supply power to electronic equipment in hazardous areas. Which statement is correct with regards to power supply for equipment supplied through Zener-barriers?
The 0-volts line must always be grounded.
The +24V must always be grounded.
The 0-voltage must never be grounded.
The - 24V must never be grounded.
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
What should be done if a twistlock is found cracked at the base?
Use it to lock under-deck container stows
Have it repaired on board
Use it in the lowest tier on deck
Remove it from service
What is the principal ingredient in Risotto?
Pasta.
Seafood.
Rice.
Green vegetables.
How often shall abandon ship- and fire drills take place on board passenger ships?
Weekly
Bi-weekly
At least two abandon ship drills and one fire drill every month
Monthly
How can an azimuth or bearing be indicated by signal flags?
The letter A + three numerals + the letter R or T.
The letter A + three numerals.
The letter N + three numerals.
The letter B + three numerals.
Where does the excess steam discharge to when the boiler safety valves operate due to the boiler pressure being too high.
The main condenser
The engineroom bilges
The auxiliary condenser
The atmosphere via the atmospheric line
Which of the following is the correct English spelling?
Ingreedients.
Ingrediants.
Ingriedients.
Ingredients.
How should pipes, rails and road sections be stowed?
Always in the athwartships direction
Fore and aft when practicable
Always fore and aft
Athwartships when practicable
When filling departure ballast on a clean ballast tanker, which valve is the last to be opened after the pump has started (M/T «Seagull» is equipped with steam driven centrifugal pumps).
The tank’s suction valve.
The sea chest valve.
The pump’s delivery valve.
The bulkhead valve.
When there is doubt about the freshness of the atmosphere in enclosed or confined spaces, what action should be taken?
Open doors and manholes
Arrangements should be made for testing of the atmosphere to ensure maintenance of 21% oxygen of the space
Ro-ro decks are always ventilated in advance of an operation
Supply filter masks to all crew working on ro-ro deck
What are the advantages of ballasting double bottom ballast tanks by gravity filling on a Bulk Carrier?
Ballasting can be done without any supervision
There is minimum pressure head on the tank top and pumps are not required
Free surface effect is eliminated
Ballasting is done more quickly
Which of these actions should you take it your ship is successfully boarded by armed pirates?
Fight back.
Scream in fear and refuse to cooperate.
Keep quiet and ignore any questions you’re asked.
Assure your captors that you’re not planning an attack to overthrow them.
Car decks on board ro-ro passenger ships are nomally closed during sea passage. Why are passengers not allowed to be on the car-deck during sailing?
Vehicles and other cargo can shift when the ship is rolling. Persons may be trapped between vehicles or cargo.
To prevent burglary and damage to cars
If the car decks are empty, it will be easier for the crew to locate all passengers in case of an emergency
In case of an emergency situation it can be difficult for passengers to escape. Vehicles, lorries, trailers and other cargo are maybe lashed and it is a substantial chance for passengers to get injured. Vehicles and other cargo might also shift when the ship is rolling.
Which of the following is an acceptable method of controlling the cargo tank pressure when loading a liquefied gas carrier?
Through a vapour return to shore connection.
The pressure relief valve will automatically control the pressure at the set pressure.
Reduce the setting of the pressure relief valve to zero gauge pressure and vent to atmosphere.
Open the atmospheric vent line.
What causes deterioration of a hatch cover hydraulic system?
Extremes of weather
Repeated hatch cover operations
Ice accretion on piston jackets
Dust and cargo particles around the piston seals
During inspection of a high pressure fuel pump for a medium speed diesel engine it is observed that the upper leading edge and the lower helical edge of the pump plunger have suffered from erosion damage. Select the correct action to take to remedy this from the options given.
Replace the complete pump with a new or reconditioned spare.
Renew the plunger and barrel insert as a pair.
Smooth away the damaged area with a grinder and polishing stone and refit it.
Renew only the plunger if the barrel appears undamaged.
By what means can we monitor and control the integrity of the hull?
Documented operating procedures
The chief officer is responsible for monitoring the integrity of the hull and superstructure at all times
Let experienced personnel close and secure doors and ramps
Automatic detection systems, television surveillance and patrolling of ro-ro cargo spaces
What type of cargo shall always be secured?
The driver must ask the crew to secure the vehicle and its cargo
Tank lorries should always be secured.
Freight vehicles carrying dangerous goods and adjacent vehicles should always be secured.
No cargo or vehicles have to be secured if the weather conditions are favourable.
From the options given, select the most appropriate equipment for washing down a cargo space used for refrigerated cargo.
An air hose connected to a freshwater supply.
A mop and squeegee bucket filled with fresh water..
A fresh water hose connected to a fresh water supply.
A fire hose connected to the fire main..
Which of the function shown is this operational amplifier circuit performing?
Differentiator
Inverting amplifier
Integrator
Non-inverting amplifier
When starting up an aerobic type sewage unit for the first time, or after manual cleaning, how should the bacterial process be initiated?
By shutting off the air flow.
By bypassing the grey water inflow and operating only with black water.
By filling the unit with sewage and bubbling air through it for 48 hours prior to starting the discharge pump.
By adding an activating agent to the inflowing sewage.
Which of these is not a Cargo Transport Unit under the IMDG Code?
Road tank vehicle
Pallet
Portable tank
Freight container
The coil of a 12V, 120mA dc relay must be connected across a 24V supply. What action should be taken?
Install a 100 ohm resistor in series with the coil
Install a 100 k ohm resistor in parallel with the coil
Install a 100 k ohm resistor in series with the coil
Install a 100 ohm resistor in parallel with the coil
What is the room often called where the crew eat their meals?
The crew cafe
The crew mess
The crew galley
The crew restaurant
Which one of the listed requirements for passenger ships regarding personal life-saving appliances do not correspond to present regulations?
The 5% extra lifejackets carried on board have to be stowed in conspicuous places on deck or at the muster stations?
Ro-ro passenger ships shall carry at least 2 lifebuoys provided with self-igniting lights an self-activating smoke signals
All lifejackets shall be fitted with reflex, a whistle and a light
All lifejackets shall be fitted with a whistle, a light and a smoke signal
Liquefied gas cargoes will expand as the temperature increases and therefore tanks are not allowed to be filled to 100%. What is the maximum allowable filling limit for the cargo tanks on liquefied gas carriers?
Maximum allowable filling limit on cargo tanks is 98% on gas carriers.
Maximum allowable filling limit on cargo tanks is 95% on gas carriers.
Maximum allowable filling limit on cargo tanks is 90% on gas carriers.
Maximum allowable filling limit on cargo tanks is 92% on gas carriers.
Which of the following cargoes must be maintained at the highest temperature when carried on a chemical tanker?
Acetic Acid.
Propylene Oxide.
Phenol.
Caustic Soda solution.
After starting a freon compressor, how long should you wait before opening the oil separator return valve?
Open the valve immediately.
One minute.
I do not know.
After the separator shell has warmed up.
There are two basic types of turbocharging systems: constant pressure and pulse. The main difference between the two is in which of the following?
The arrangement of exhaust piping and exhaust gas receiver.
The casing of the turbocharger.
The arrangement of the scavenging air coolers.
The scavenging valves of the engine.
Which of the options given is most likely to result in overheating of a ball bearing fitted to a pump shaft?
Running the pump at full capacity.
Partly filling the bearing with grease.
Fitting a sealed bearing that cannot be greased.
Completely filling the bearing with grease.
How can the officer in charge change the value of the Transverse Metacentric Height?
By loading or discharging cargo and changing the position of both G only.
By vertically shifting cargo and changing the position of both G and M.
By loading or discharging cargo and probably changing the positions of G and M.
Only by loading cargo and changing the position of both G and M.
Why is grain bundled?
To prevent it from wetting
To prevent bulk grain from shifting
To aid stability
To compact the cargo
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.
Whish of the following disposal would be permitted?
Food waste from a vessel outside a special area and 10 miles from nearest land
Food waste from a vessel inside a special area and 10 miles from nearest land
Paper products from a vessel inside a special area and 15 miles from the nearest land
Food waste from a vessel outside a special area and 12 miles from the nearest land
As part of the decommissioning process for old reefer vessels they are sent to a recycling yard where any refrigerant remaining in the refrigeration system is dealt with. Which one of the actions given in the options needs to be carried out in preparation for delivery of a vessel to a recycling yard?
Discharge the gas to atmosphere prior to arrival to minimise handling costs at the recycling yard.
Make a careful note of the quantities of gas onboard and note this in the Ozone Depletion Record Book prior to discharging the gas into recovery bottles.
Make a careful note of the quantities of gas onboard and note this in the Ozone Depleting Record Book before discharging the gas to atmosphere.
Make a careful note of the quantities of gas onboard prior to arrival at the yard and note this in the Ozone Depleting Record Book.
How does low expansion foam act as an extinguishing agent when dealing with oil fires?
By cooling only
The heat from the fire causes the foam to produce an inert gas which gradually extinguishes the fire.
By smothering and also providing some cooling
By smothering only
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.