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家 在线测试 CES Chemical tanker 2nd-Off / 3rd-Off Test online CES 5.1 for 2nd-Off / 3rd-Off, Chemical tanker vessel
在线测试： Test online CES 5.1 for 2nd-Off / 3rd-Off, Chemical tanker vessel
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Among working conditions listed below which one is required for every propulsion engine of lifeboats?
Propeller permanently driven by the engine
For a period of at least 72 hours
Self-starting and launch procedure simultaneous
Sufficient fuel to run at 6 knots for a period of at least 24 hours
How many rocket parachute flares are carried in each lifeboat?
4
Nil
12
6
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
In accommodation spaces, where must manually operated call points be located?
In messrooms, public lounges and other public rooms
In all crew and passenger cabins
In stairways and escape routes
At exits and in corridors
*Which of the following spaces is a "special category space"?
A space the gross calorific value of which may exceed 45 megajoules per square meter of the deck area
A space containing a centralised fire control equipment
A space specially designed and used for the storage of class 1.1.dangerous goods
A garage tweendeck on a passenger ferry
*What quantity of reserve fuel, if any, is to be available outside the main machinery space for a diesel driven emergency fire pump?
Sufficient amount for 2 hours of operation at full capacity
Sufficient amount for 24 hours of operation at full capacity
Sufficient amount for 6 hours of operation at full capacity
Sufficient amount for 15 hours of operation at full capacity
What is the number one job for the ship management team when fire break out?
The ship management team must organise the fire squads and then the squads have to rescue missing personal
The ship management team must call the nearest fire brigade and police station
The ship management team and the crew must evacuate the ship
The ship management team must fight the fire and then call the fire squads
Which of the following items shall be included in each fire drill?
Checking the operation of watertight doors, fire doors, fire dampers and relevant communication equipment
Checking closure mechanism for all air ventilators and other openings to accommodation, engine rooms and cargo spaces
Checking the fire wires
Checking the operation of fire doors
DSC-transmissions with the tele-command ’test’ can:
be sent by a VHF-installation on the DSC-distress channel
not be sent by VHF-installation
Don't know
be sent by a VHF-installation or the SAR-channel
A SART must be visible on the ship’s radar from a distance of at least:
Don't know
50 miles
30 miles
5 miles
What is false regarding the function :” Transmission and reception of signals for locating ”
On area A2 this function is based on the use of SART transponders
On all areas this function is based on the use of S band radars
On area A3 and A4 this function is based on the use of SARSAT COSPAS Epirb
On area A1 this function is based on the use of SART transponders
For vessels carring toxic products, how many sets of complete safety equipment should be on board ?
10 complete sets.
Sufficant, but minimum 3 complete sets.
Sufficant, but minimum 2 complete sets.
5 complete sets.
In ships carrying very hot cargoes above 140 degrees Celsius - which might cause local steel buckling - such as molten sulphur and asphalt, it is noticed that while sulphur is carried in independent tanks, the asphalt can be carried in tanks integral with the ship's hull. This is because:
The asphalt unlike sulphur is a viscous product and therefore does not transmit its heat easily to the steel bulkheads, allowing the steel to stay cooler than the cargo?
Tank coatings required for carriage of molten sulphur are best in independent smooth sided tanks and not in hull tanks?
Asphalt is not a dangerous cargo and therefore can be carried anywhere?
Molten sulphur is an extremely dangerous product and therefore needs to be carried in independent tanks?
Where is OPA-90 applicable
200 nm off US coast
Within 200 nm of US waters including Guam, Hawaii, Alaska and San Juan
200 nm off coast of California
Within US waters
Which muscle is the most persevering one in the body?
The lever.
None of the mentioned
The lungs.
The heart.
Give the meaning of the following symbol
Fire main with fire valves
Foam valve
Fuel lubricating oil valves
Section valves drenching system
The wearer of a lifejacket can jump into the water without injury and without damaging the jacket from a height of at least:
7 m
4,50 m
12 m
10 m
An immersion suit is constructed such that it can be unpacked and donned within:
3 min
2 min
4 min
5 min
Which one of the following requirements regarding lifebuoys corresponds to present SOLAS regulations?
Not less than half the total number of lifebuoys shall be provided with self-ignition lights.
All lifebuoys shall be placed in holders with quick-release arrangement.
At least two lifebuoys on each side of the ship shall be fitted with a buoyant lifeline.
At least one lifebuoy shall be placed in the vicinity of the bow.
When fully loaded, a lifeboat should have a sufficient strength to withstand a drop into the water from a height of:
Not less than one third of the distance from the stowage position of the lifeboat to the waterline in the in the lightest seagoing condition
Not less than 0.5 metres
Not less than 3.0 metres
Not less than 1.5 metres
Which one of the listed requirements regarding "week links" for float free arrangements for liferafts do not correspond to present regulations? Week links shall:
release the liferaft at a depth of not more than 4 metros
break under a strain of approximate 2.2 kN
be of sufficient strength to permit inflation of the liferaft
not break by force required to pull the painter from the lifeboat container
*Give the meaning of the following symbol
Lower lifeboat to water
Lifeboat
Lower rescue boat to water
Rescue boat
What is the meaning of this symbol ?
Radar transponder
Survival craft portable radio
Survival craft pyrotechnic distress signals
Rocket parachute flares
Which of the following detailed explanations should be mentioned in the Training Manual ?
How to muster at the assigned stations
The use of surface to air visual signals to be used by survivors
The use of navigational equipment for survival crafts
The use of escape routes and other escape methods
If you are going aloft in a bosun's chair what kind of hook would you use to hook the chair to the rope?
I would refuse going aloft
A stainless steel butcher's hook that is designed to take the load
Any old hook would do
An approved hook with a locking device
You are the Sen.Off.Deck of a vessel involved in a collision. All necessary actions to ensure safety of crew and vessel has been taken. What shall you then tell the Sen.Off.Deck on the other vessel?
Don-t talk to the Sen.Off.Deck on the other vessel at all.
Name and Port of registry of your vessel.
That you are sorry for the collision.
Check with the pilot, or any witnesses, about their consideration of whom to blame for the collision.
You are crude oil washing tank 1C tank. The duty deck officer reports that the oxygen reading in the tank is 9%. What should you do ?
Carry on with the washing until you have checked the inert gas plant is fully functional.
Carry on with the washing but attempt to lower the oxygen level to less than 8%.
Stop the washing process and do not resume until the oxygen content in the tank is below 2%.
Stop the washing process and do not resume until the oxygen content in the tank is below 8%.
Why do some diesel engine manufacturers recommend machining the valve spindle sealing surface with a half degree difference to the valve seat angle?
To improve valve sealing by compensating for expansion of the valve during high temperature operation.
To minimize heat transfer between valve and valve seat.
To improve valve sealing by compensating for pressure and temperature effects on the valve during engine operation..
To improve valve sealing by increasing contact force by reducing contact area between valve and seat.
The majority of medium speed main propulsion installations incorporate a reduction gearbox between the engine and the propeller shaft. Why is this arrangement usually required?
So that the engine can be more easily reversed.
So that the engine can be coupled to a controllable pitch propeller.
So that the propeller operates in a relatively efficient speed range.
So that the engine can also drive a shaft alternator.
Who is responsible for issuing an ISPS certificate?
The Port State
The Flag State
US Coast Guard
The insurance company
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
To minimise the risk of damage what type of tools should be used to clean boiler burner tips?
Brass tools.
Steel tools.
Wooden tools
Any kind of tools that are available.
What does a ship’s angle of pitch vary with?
The ship's length
Propeller pitch
Sea state and wind force combined
The sea state
The DoS addresses the responsibility for the security of the water around the ship and the verification of increased threat levels.
TRUE
FALSE
.
The vessel is instructed to load alternate holds when chartered to carry a high density cargo. What reasons could be given by the master to refuse to do this?
The trim of the vessel will not be satisfactory.
The summer deadweight will not be achieved.
Cargo space cleaning after discharge will be excessive.
IMO do not recommend alternate loading of cargo holds with high density cargoes.
What must you ensure when using portable slopes to discharge ro-ro units?
They must be new
They must be free of dirt
The surfaces must be of the fish-bone type
They must be exactly aligned with the units’ tyres
On a Container vessel, what are the limitations of Cargo Securing Manuals?
They are not always approved by a classification society
They are drafted whilst the ship is still under construction and need to be checked against the ship's 'as completed' condition in order to be fully reliable.
Some Cargo Securing Manuals cover a full range of sister ships
Cargo securing arrangements in the manuals may be unsuitable for heavy weather conditions
If a vessel’s Longitudinal Centre of Floatation (LCF) is 60.582 in saltwater, what would be her LCF is water of density 1.015 T/m3?
60.582m
61.178m
63.027m
59.99m
If Master finds reason to doubt whether the agent is giving the vessel's interest full and proper attention he should:
Report the matter to the harbour Master
Report to the vessel P & I club
Investigate the matter carefully and report the findings to the company
Change the agent
What is a "trailer horse" used for?
It is used to secure cargo in bad weather conditions
It is used as a fire-fighting vehicle
It is used to push lorries into their lanes
To secure and tow loose trailers
What would be the most likely cause of a smell of "rotten eggs" in the upper casing of the engine room?
Fresh water evaparator malfunction.
Open or leaking acetylene bottle.
A leak of exhaust gas from a boiler or diesel engine exhaust.
Failure of the ship's refrigeration system.
According to ISGOTT, flue gas that is produced by the burning of a fuel oil that has a high sulphur content will typically contain which of the following amounts of sulphur dioxide?
850 ppm
200 ppm
2,000 ppm
4,000 ppm
Which of the following is a definition of the "Proper Shipping Name", as found in the IMDG Code?
The name to be used in any documentation relating to the transportation of the dangerous substance, material or article, such as on forms, labels and placards.
The correct chemical name of a potentially hazardous material, as identified from the Chemical Cargo List.
The name under which a dangerous material, substance or article is
What does the Captain mean?
Set the engine to dead slow ahead, and change the course 10 degrees to port
There is a dead slow in front of the ship, 10 degrees to port
Set the engine to dead slow, and set the rudder angle at 10 degrees to port
There is a dead slow in port number 10
Frostbite is one of the main hazards that personnel must be aware of when working on liquefied gas carriers. Which of the given options is the recommended first aid treatment for a person with frostbite injuries to the hand?
Rub victim's hands vigorously to warm them up quickly.
Place victim's hands in hot water to warm them up quickly.
Place victim's hands on the surface of a heater to warm them up.
Place victim's hands in a bowl of lukewarm water to gradually warm them up.
How to distinguish a LNG carrier with prismatic tanks from an ordinary oil tanker?
The tanks of an LNG carrier protruding above the main deck.
The freeboard of an LNG carrier is significantly greater.
By its distinctive profile and much larger size.
By consulting the Gas Code.
You must not attempt to move a casualty carelessly, if you suspect patient with:
Fractured spine
Sleeping
Consumed excess alcohol
Unconscious
What are the requirements for the number of portable gas measurement instrument(s) on tankers?
At least one instrument for measuring %LEL and one instrument for measuring volume %
Sufficient number of instruments.
At least 2 portable instruments for measuring flammable vapours.
At least 1 portable instrument for measuring flammable vapours.
What percentage of the ship’s stores are required to be inspected at Security Level 3?
25-50% of the ship's stores are required to be inspected at Security Level 3.
5-20% of the ship's stores are required to be inspected at Security Level 3.
50-80% of the ship's stores are required to be inspected at Security Level 3.
100% of the ship’s stores are required to be inspected at Security Level 3.
Select the option which best completes the following statement. "When carrying out repairs to damaged hatch gratings it is best to use…
…mild steel nails."
…mild steel screws."
…galvanised crosshead screws."
…galvanised nails."
What do international and national maritime authorities say about passenger list?
All passengers onboard must be registered with name, age and cabin number.
No requirement to have passenger list onboard as long as shore terminal/office have one, and can send it to the ship on request.
Optional for each company if they want to have passenger and crew list.
All personnel onboard (crew and passengers) shall be registered in order to keep track of total number of person on board
What is very important to do when starting to crude oil wash?
No special precautions.
To fill up the lines slowly.
To build up pressure first.
Stop discharging and then start the whole operation slowly.
Which of the following forms of food poisoning is particularly associated with outbreaks on cruise ships?
Staphylococcal enterotoxin.
Norwalk virus
E-coli.
Salmonella enteritidis.
Which of the following is an international requirement?
Securing of cargoes must completed within two hours of leaving the berth
Securing of cargoes must be completed before a ship leaves the berth
Securing of cargoes may be completed at anchorage
Securing of cargoes must be completed before sailing
Modern cellular container vessels which carry refrigerated cargo below deck mainly maintain an acceptable temperature in the cargo holds by which of the features given in the options?
By designing the vessels with a larger gap between the columns of containers.
By using large natural ventilators to achieve the required air changes.
By using powerful mechanical fans to achieve a large number of air changes.
By insulating the fuel tanks in the vicinity of the cargo space.
The operation of a diesel engine is controlled by a mechanical-hydraulic, compensated speed sensing governor. How will the governor control be affected if the compensation needle valve is closed in and the engine load changes?
The governor will hunt resulting in erratic engine speed control.
Engine speed control will be sluggish.
A change in load will not affect a speed sensing governor.
Altering the compensation needle valve has no effect on speed control.
What is the situation of this vessel?
This vessel is not under command, but is making way through the water.
This vessel is aground.
This is a vessel constrained by her draft.
This vessel is not under command and stopped in the water.
What is the recommended range for the pH-value for the water in a diesel engine cooling system engine cooling water be maintained?
Above 10
Between 5 and 7.
Between 7 and 10.
Below 5.
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
How many crews are required to be trained and regularly drilled in all aspects of fast rescue boats in various conditions, including righting after capsizing?
At least 3
5
6
At least 2
What hazards are associated with the carriage of a bulk carriage of coal slurry?
This cargo is a low fire risk under normal conditions
This cargo may be liable to sweat and create excessive moisture
This cargo is liable to self heat and spontaneous combustion
This cargo may have a dangerous angle of repose
When one ship is unmooring from another which is at anchor, the unmooring crew should be instructed to cast off lines:
As and when they think fit.
As and when the vessel remaining at anchor instructs them to do so.
As and when the manoeuvring vessel instructs them to do so.
As and when strain appears on individual ropes.
You are in charge of discharging and crude oil washing a crude oil carrier.What is the maximum allowed oxygen level measured one meter below deck in a tank during crude oil washing? (IMO Reg)
5%
10%
8%
3%
Do we have to enter "internal transfer of cargo" in the Oil Record Book?
Only if case of overflow.
No.
Only if cargo contain H2S.
Yes.
Liquefied natural gas (LNG) is often referred to as natural gas or marsh gas. What is another common name for LNG?
Propane.
Ethane.
Butane.
Methane.
Why is it important in a RoRo vessel to ensure that cargo is loaded in a uniform way
because it looks better and image is important
because it makes it harder to lash the cargo correctly if you don't
To prevent high sheer forces and bending moments on the vessel during the loading / discharge operations
One cylinder of a diesel engine has to be cut out to allow continued operation of the engine. Which of the following options may be the cause of the problem?
Camshaft timing incorrect.
Injection pump failure.
Gas side of turbocharger fouled.
Low charge air pressure.
What actions should the Officer of the Watch take when the ship's steering gear fails?
Stop engines and display the NUC signal
All of the suggested answers
Call the Master and advise him of the situation
Request the engine room to check the steering gear
With regard to the characteristics of a mafi trailer what must be ensured prior to unfastening this unit on board a ro-ro vessel?
That the cargo details have been checked
That there is sufficient room for it to be driven away
That cargo on the trailer is not damaged
That after unfastening it will not move
Carbon dioxide, CO2, can solidify and form dry ice at low temperatures. What is the solidifying temperature of CO2?
approximately minus 87.5 C
approximately minus 78.5 C
approximately minus 60.5 C
approximately minus 30.5 C
To prevent inadvertent leaks, bunker manifold not in use should:
Have blank flanges fitted and tightened with some bolts in place
Have blank flanges fitted with gaskets and tightened with all bolts in place
Have blank flanges fitted with gaskets and tightened with some bolts in place
Have blank flanges fitted and tightened with all bolts in place
How might a leak from a cargo tank on an oil tanker be readily detected during the voyage?
By regularly monitoring the vessel's trim on the cargo computer - any cargo that leaks will run to the end of a compartment, resulting in an increase in trim.
By occasionally opening a selected tank and manually measuring the cargo ullage, then comparing it to the 'after loading' reading.
By regularly monitoring void and ballast spaces, such as by testing them for hydrocarbon content and sounding them.
By frequently monitoring cargo level equipment readouts and comparing them to the load port departure readings.
During a routine check of one of the auxiliary engines in an UMS operated engine room, a minor leakage on a high pressure fuel pipe was observed. What would be an appropriate action and/or precaution to be taken? (Assume normal operation; 2 sets operating and 1 set standby)
Any of the mentioned alternatives will meet the requirement.
Have a motorman on watch for the rest of the night, especially instructed to watch the engine
Change the operation to the third generator set, leaving the original set as stand-by awaiting possibility to repair the failure.
Change operation to the third generator set, preparing the original set for repair of the failure and switching to manual mode until repair is carried out.
During inspection and calibration of one unit, you observe the situation shown. The conclusion is clover leafing. The main engine uses high grade TBN cylinder oil. What do you have to do in order to reduce wear?
Contact engine maker for advice.
Increase the jacket cooling water temperature to avoid the sulfur dew point
Decrease jacket cooling water temperature to avoid heat stress
Increase cylinder oil consumption to neutralize the sulfur
You have recently discharged a cargo of Methylene Chloride from tank 4 port. How will the atmosphere in the tank normally be tested for remaining (very low level) traces of vapour to ensure safe conditions before a tank entry certificate is issued?
By reading off a standard explosimeter (combustible gas indicator).
You will be able to smell even a very low level of this product.
It is not possible (or important) to test for trace levels of this product.
By sampling through a gas detector tube.
Hydrocarbons belongs to a chemical group named:?
Alkanes
Organic substances.
Carbohydrates.
Alkenes
You have just completed the discharge of a cargo of Lube Oil additive and are clearing the ship's lines to shore. What piece of equipment can be fitted between a drain cock and the air line to safely release any excess pressure before disconnecting the air line?
An expansion valve.
A reducer.
A quick-coupling.
A three-way valve.
What is the optimum cargo lashing angle against sliding?
Around 20?
Around 25?
Around 30?
Around 35?
Why is it preferable to use white spirit rather than paraffin to remove traces of grease during cleaning of refrigerated cargo spaces?
White spirit is more effective at removing grease than paraffin.
White spirit does not leave an oily residue or odour.
White spirit is cheaper than paraffin.
White spirit is usually more readily available.
What advantages do you see by conducting passenger muster’s. Drill’s are mandatory for international voyage’s.
The passengers get to know the way around the ship.
The Passengers get familiar with lifejacket and location of muster station
Giving the company a good image for the public, and the crew get training.
The passengers get familiar with emergency procedures, life jackets, musterstation. And the crew get training in growd handling.
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.
Hindus are not permitted by their religious beliefs to eat one particular type of meat. Which one?
Lamb
Pork
Chicken
Beef
Very roughly, the gas mixture from Crude Oil can be represented by the hydrocarbon gas Propane. What is the approximate upper flammable limit(UFL) of crude oil vapours by volume in air?
8 to 9%
12 to 15%
10 to 11%
5 to 6%
The brine used to salting or curing meat contains nitrites. What effect do the nitrites have on the meat?
They increase the preservation time of the meat more than rolling in solid salt crystals
They add a more natural salt taste to the meat than obtained by seasoning after cooking
They reduce boiling time
They make the meat take on a reddish colour after preparation
Which of the following alternatives summarise the benefits of using high voltage on ships?
More efficient transformers and electrical machines
Smaller cables and better power factors
Smaller conductors, insulators and transformers
Smaller conductors, machines and switchgear
What is the required number of temperature indicating devices in cargo tanks?
One device in each tank.
At least two devices in each tank.
There is no requirement to number of devices.
At least three devices in each tank. One placed at the bottom of the tank, one in the middle of the tank and one near the top of the tank.
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.
A ship's electrical system operates at 60Hz but when connected to shore supply it is supplied with 50Hz. Which of the following would you expect?
Electric motors will run at increased speed and will tend to overheat.
Generators are more sensitive to reverse power faults.
Electric motors will run at reduced speed and will tend to overheat.
Earth faults are more likely.
What is the AB to do?
He is to repair all the damaged survival suits
He is to check if the survival suits are watertight
He is to help the other crew members and fetch more Vaseline from the storage room if they run short
He is to check all the survival suits
Vessel A wishes to overtake vessel B as shown in a narrow channel or fairway. What sound signal should A make to indicate that he wishes to overtake B on his starboard side?
Two prolonged blasts followed by one short blast
Two prolonged blasts followed by two short blasts
Two short blasts followed by one prolonged blast
One prolonged, one short and one prolonged blast
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