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Главная Онлайн-тесты CES Bulk Carrier MASTER / Ch-Officer Test online for seamans about Deck department, Management level, Bulk Carrier (CES v6.0)
Онлайн-тестирование: Test online for seamans about Deck department, Management level, Bulk Carrier (CES v6.0)
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Тест состоит из 80 случайных вопросов.
Всего вопросов по данной теме: 110
Всего вопросов по данной теме: 110
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According to the industry guidelines in the ISGOTT Guide and assuming terminal regulations do not require otherwise, what action should be taken to drain accumulated water from the deck during cargo handling operations in rainy conditions?
The accumulated water is to be drained periodically and the scupper plugs to be immediately closed once the water has been run off. Water containing oily residues is to be transferred to a slop tank or other suitable receptacle.
The scupper plugs are to be kept closed and sealed; any volume of water that is not contained should be allowed to flood over the fishplate.
During periods of heavy rain, it is considered prudent and safe to allow water to drain continuously; therefore scupper plugs should be removed in such conditions.
The accumulated water is to be transferred to a spare tank.
To avoid overbunkering and oil spill, it is very important that we closely monitor the progress of the bunkering operation. What is the safest method to use to minimise the risk of overflow and spillage?
Use the predicted loading rate to calculate how much oil is being received.
Open all the bunker tank lids to manually watch them filling.
Continuously monitor remote gauge readings and confirm with regular sounding of the fuel tanks.
The remote gauge system will provide us with the necessary information.
What is polymerisation?
The process by which unsaturated chemical compounds are heated under pressure, causing the molecules to react with each other and form larger molecules.
The process by which the molecules in unsaturated chemical compounds react with each other during cooling, forming larger molecules.
The process by which saturated chemical compounds are heated under pressure, causing the molecules to react with each other and form smaller molecules.
The process by which saturated chemical compounds react as pressure is released during heating, causing the molecules to react with each other and form larger compounds.
How long after starting a refrigeration compressor should the oil separator return valve be opened?
It should be opened one minute after start up.
It should be opened only when the crankcase oil level is low.
It should be opened once the oil separator unit has warmed up.
It should be opened before start up.
Cargo gear/cranes should at regular intervals be thoroughly examined and load tested by a recognised company/yard. How often should such examination/load test take place?
Every 4th year.
Every 5th year.
Every 2 1/2 year.
Annually.
A combustible gas indicator of the catalytic filament type is used to check the atmosphere in an enclosed space onboard ship. When taking readings in a fuel tank which has been emptied for cleaning the meter reading initially rises and then falls back to zero. What is the likely defect, if any, in the instrument when this type of behaviour is displayed?
The sampling pump is faulty.
The batteries are flat.
The filament is contaminated due to too high a concentration of hydrocarbons.
The filament has burnt out.
You have to choose one of the following instruments for measuring pressure in an air bottle in measuring range 0-35 BAR. Which instrument would you install?
U-type H2O manometer.
Bourdon Tube manometer.
U-type Hg manometer.
Bellow type manometer.
Prior to bunkering operations it is necessary to check the quantity of fuel remaining onboard and that there is sufficient room for the fuel that is to be loaded. What is the best method to use to establish this?
Use the latest figures from the fuel record book.
Do a complete sounding of all fuel bunker tanks.
Sound the tanks which you think might still contain some fuel.
Take a full set of readings from remote content gauges.
In the event of a diesel engine crankcase explosion which of the safety devices fitted to the engine is designed to minimise the risk of a secondary explosion?
Main bearing temperature monitoring equipment.
Crankcase extraction fan.
Crankcase oil mist detector.
Crankcase relief valves/doors.
When trying to reverse a large slow speed diesel engine in the astern direction it cannot be turned on air even though it will start in the ahead direction. What is the likely cause of this problem?
The reversing servo for the fuel pumps has stuck in the ahead position.
One of the cylinder air start valves has stuck open.
I don’t know.
The start is blocked because the air distributor has not moved to the astern position.
How does the maximum oil film pressure in a white metal journal bearing operating under full fluid film conditions compare with the pressure of the lubricating oil supply system?
The pressure is less than the pressure in the lubricating system and varies with the journal load.
The pressure is greater than the pressure in the lubricating system and varies with the journal load.
The pressure is the same in the lubricating system and is constant regardless of the journal load.
The pressure is greater than the pressure in the lubrication and is constant regardless of the journal load.
The cold room temperature is almost at the cut out point in a vapour-compression refrigeration system. What should the refrigerant state be just after the evaporator if the system is correctly set up?
Sub-cooled liquid at low pressure.
Slightly superheated low pressure gas.
Cold liquid at high pressure.
Wet vapour at high pressure.
A compressed air supply system has two automatically controlled air compressors. When demand is high both compressors are needed to meet the delivery requirements. What is the best method for controlling the compressors to meet a varying, but intermittent demand?
One compressor running continuously with the other on standby.
Start and stop of the compressors controlled by timer switches.
Continuous running of both compressors and the use of unloading devices.
Sequential start initiated by pressure switches set at different switching pressures.
How often should the lifeboat wire falls be turned and renewed?
Turned at intervals of not more than 30 months and renewed every 5 years.
Renewed every 3 years.
Turned every 2 years and renewed every 4 years.
Turned every 30 months and needs only to be renewed if the wire is in poor condition.
Most fuel oil separators working on the centrifuge principle have an automatic start up and sludging facility. Which of the following actions would you expect to occur first during the start up sequence?
Increase the scavenge air temperature to minimise the condensate from the charge air cooler.
Reduce the engine load to minimise condensate from the air cooler.
Ensure that condensate drains from the water separator are monitored and operating correctly.
Decrease the scavenge air temperature to minimise the condensate from the charge air cooler.
You are in charge of a night bunkering operation. The delivery rate from the supplier is high and you are filling six tanks simultaneously. You lose track of the progress of the operation and feel that you are losing control of the situation. What action should you take?
Prepare yourself and the crew for an overflow.
Open more tanks to slow down the filling rate of individual tanks.
Stop bunkering, and establish facts, before bunkering is resumed.
Request a reduction in the delivery rate to try and gain some time.
Which is the “Fairlead”, in the figure?
The Fairlead is indicated by C, in the figure.
The Fairlead is indicated by D, in the figure.
The Fairlead is indicated by B, in the figure.
The Fairlead is indicated by A, in the figure.
In which way may intake of poisonous material occur?
Skin penetration and skin absorption.
Swallowing.
By inhalation.
All mentioned.
The turbocharger on a diesel engine is surging. Which one of the following options would be the most likely cause?
The lubrication oil pump is malfunctioning.
Dirty rotor blades and nozzle ring.
Worn out bearings on the turbocharger.
Dirty scavenging air cooler on the air side.
Which ideal heat engine cycle is the vapour-compression refrigeration system based on?
The Rankine cycle.
The Otto cycle.
The Dual cycle.
The reversed Carnot cycle.
Which one of the options given is the most likely cause of a diesel engine failing to turn on air when the start signal is initiated?
An interlock or blocking device in the remote starting system is operating.
Start air compressor has cut out due to sufficient pressure in system.
Slight leakage at the indicator cocks.
Auxiliary blower is operating.
What would the results of a TAN test, carried out on lubricating oil samples from a diesel engine, indicate?
A measure of the organic and inorganic acids in the lubricating oil.
A measure of the remaining alkalinity in the lubricating oil.
A measure of the inorganic acids in the lubricating oil.
A measure of the organic acids in the lubricating oil.
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?
Engine speed control will be sluggish.
The governor will hunt resulting in erratic engine speed control.
A change in load will not affect a speed sensing governor.
I don’t know.
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?
Engine speed control.
Altering the compensation needle valve has no effect on speed control.
The governor will hunt resulting in erratic engine speed control.
A change in load will not affect a speed sensing governor.
According to SOLAS Regulation all dedicated seawater ballast tanks on oil tankers shall have an efficient corrosion prevention system such as hard protective coatings or equivalent. With regard to coatings do SOLAS set any requirement to colour?
Preferably light colour.
Preferably light red colour.
Preferably dark colour.
No requirement.
Most fuel oil separators working on the centrifuge principle have an automatic start up and sludging facility. Which of the following actions would you expect to occur first during the start up sequence?
Operating water supplied to bowl to close it.
Sealing water supplied to bowl to prevent carry over.
Fuel oil supplied to bowl to fill it.
Operating water drained from bowl to open it.
How is the prime mover load normally kept to a minimum when starting up an electric driven reciprocating type air compressor?
By using an unloading device to keep the compressor suction valves open until the machine is up to speed.
By keeping the second stage drain valve open until the machine is up to speed.
By using an unloading device to keep the compressor delivery valves open until the machine is up speed.
By keeping the main discharge valve closed until the machine is up to speed.
When planning bunkering operations it is preferable to arrange for the new fuel to be bunkered into empty or nearly empty tanks whenever possible. What is the main reason for this?
So that the sulphur content of each fuel is known.
To minimise the risk of microbial contamination of the fuel.
To make it easier to calculate the quantity of fuel taken onboard.
To minimise the risk of incompatibility between different fuels.
What contributes most to rust formation on vehicles/Ro-Ro units?
Cargo hold ventilation systems and associated ducting.
Pipes passing through cargo holds.
Vehicles loaded wet.
Hydraulic units in cargo holds.
What could be the possible cause of an engine knocking?
Any of the below.
Faults in injection valves, injection too early.
Too big a piston clearance, worn cylinder liner.
The gudgeon pin or big end bearing having too big a clearance.
In a smoke filled alleyway where will the cleanest air be found, and how should you proceed out?
Near to the deck, crawl out keeping your face as near to the deck as possible.
Sit and wait for the rescue party.
It will be the same in all parts, therefore I would just leave as quickly as possible.
Towards the upper part, stand as tall as possible and walk out.
What is a steering wheel?
A helm used to steer the ship.
A drum for heaving of ropes.
A steering compass.
Another name for a lifebuoy.
A diesel engine is operating with retarded fuel timing resulting in increased exhaust gas temperatures. How would you expect this to affect the turbocharger?
Increased turbocharger revolutions.
Reduced air and gas temperature after turbocharger.
Decreased turbocharger revolutions.
The turbocharger would operate normally.
The water cooling space on a turbocharger is damaged and there is no spare casing. The cooling water must be shut off. Which option would you take to keep the risk of further damage to a minimum?
Dismantle the rotor and assemble the sealing plates.
Run the engine at a lower speed.
Make no modifications, but tell the duty engineer to pay special attention for abnormalities.
Cool the turbocharger by means of air.
What is the purpose of the air distributor in a diesel engine air start system?
To ensure the cylinder air start valves operate in the correct sequence and for the correct period.
To ensure that the start air is distributed equally to the each of the engine cylinders.
To ensure the air consumption from each of the main air receivers is equally distributed.
To ensure that the automatic valve in the air start system opens and closes at the correct time.
According to 33 CFR 156, oil tankers trading in US waters are required to test and document the testing of cargo transfer hoses and transfer pipe system. What is the minimum requirement when testing these components?
That no leakage occurs under static liquid pressure of at least 1,5 times the maximum allowable working pressure.
That no leakage occurs under dynamic fluid pressure of less than 1,5 times the maximum allowable working pressure.
That no leakage occurs at the nominal anticipated working pressure.
That no leakage occurs under static liquid pressure of at least 1,25 times the maximum allowable working pressure.
Which of the given options characterizes a 2-stroke diesel engine?
The piston always has a short skirt.
A 2-stroke engine always has 2 or more turbochargers.
A 2-stroke engine has an air inlet valve in the cylinder cover.
A 2-stroke engine completes a full cycle every revolution.
During crude oil washing of No: 1C tank the duty deck officer reports that the oxygen reading in the tank is 9 %. What should you do?
Stop the washing process and not resume until the oxygen content in the tank below 8 %.
Carry on and ask the engineers to check the inert gas system.
Stop the washing process and not resume until the oxygen content in the tank is below 2 %.
Carry on with the washing as the reading is below 11 %.
Which of the following terms is used to describe a thermodynamic process in which no heat transfer into or out of the system occurs?
Adiabatic.
Isochoric.
Isothermal.
Polytropic.
The muster list shall show the duties assigned to the different members of the crew. Which of the given duties necessarily have to be included in the muster list?
Preparation and starting of emergency generator.
Preparation and launching of survival crafts.
Type of fires that can be encountered on board.
I don’t know.
What effect would turbulent fluid flow through a heat exchanger have on the efficiency of the heat transfer?
Turbulent fluid flow generally increases heat transfer efficiency.
It cannot be determined since it is not possible to generate turbulent fluid flow through a heat exchanger.
Turbulent fluid flow generally reduces heat transfer efficiency.
Heat transfer efficiency is not affected by the type of fluid flow through the heat exchanger.
What is the required pressure when testing parts of the oil transfer system (hoses, loading arms etc.) if the test is to satisfy US Coast Guard regulations?
Test pressure equal to 1,75 times the maximum allowable working pressure.
Test pressure equal to 1,25 times the maximum allowable working pressure.
Test pressure equal to 1,5 times the maximum allowable working pressure.
Test pressure equal to the maximum allowable working pressure.
On a container vessel, where should a mid-bay guide be positioned?
On the tank top mid-way in 40′ guides to prevent transverse movement of 20′ containers.
On the tank top at the ends of 40′ container bays.
At the base of cell guides.
Between 20′ container bays on deck.
What should the expansion valve superheat setting be in order to get the best possible efficiency from a refrigerator evaporator?
25-30 °C.
-18 °C.
40-50 °C.
5-10 °C.
On board a DSC-call is to be made in case of an OBS. Choose the category:
Ship’s business.
Routine.
Safety.
Don’t know.
Why is it necessary to have an effective ballast water management plan which includes provision for changing out ballast in open water rather than discharging ballast in coastal waters?
To allow ballast tank inspections to be carried out during ballast passage.
To keep the ballast water fresh in the ballast tanks during long voyages.
To ensure that ballast tanks are always pressed up during a ballast voyage to avoid free surface effects.
To avoid the introduction of non-indigenous species of marine life from one area to another.
What is the correct name of the tool shown in the sketch?
Grinding machine.
Flat file.
Chisel.
Pliers.
The main engine is running steady with an average exhaust gas temperature of approximately 350 °C. What would be a typical alarm/slow down setting for the cylinder exhaust gas temperature deviation from the average?
+/- 30 °C.
+/- 10 °C.
+/- 50 °C.
+/- 80 °C.
When will a ro-ro vessel pitch heavily?
When wave lengths are equal to the ship’s length.
When wave lengths are equal to half the ship’s length.
When wave lengths are equal to twice the ship’s length.
In confused seas.
Maintenance is to be carried out on a diesel engine. How long after stopping the engine should the cooling water and lubricating oil be kept circulating in order to avoid any undue thermal stress from residual heat?
At least one hour.
10 minutes is sufficient.
At least 8 hours.
I don’t know.
The image shows an indicator diagram taken from a diesel engine cylinder. Which of the following options is the action most likely to identify the fault?
Check that the fuel temperature and viscosity are correct.
Check if the fuel injection valve is partly blocked.
Check if the fuel pump injection is too early, or fuel pump lead is too great, for that cylinder.
Check the exhaust valve.
HEL-H is the abbreviation of a heavy helicopter radius of action for rescue purposes. What do you think the radius and evacuating capacity of the helicopter is?
100 nm and capacity for evacuating more than 10 persons.
500 nm and capacity for evacuating more than 25 persons.
200 nm and capacity for evacuating more then 15 persons.
I don’t know.
Consider a vessel with a 6 cylinder main diesel engine operating with one cylinder out of operation. What would you expect to be the approximate maximum reduced engine load to allow safe emergency operation in this condition?
Approximately 50 % of MCR.
Approximately 70 % of MCR.
Approximately 30 % of MCR.
Approximately 90 % of MCR.
How will continuous low load operation influence the time between overhauls, tbo, for the cylinder covers and associated valves of a 4-stroke diesel engine?
Reduce the time between overhauls due to increased fouling.
Increase the time between overhauls since fuel injectors work better at low load so combustion will be improved and the maintenance will be reduced.
No influence at all, the required overhauls are unaffected by operating load.
Increase the time between overhauls since the engine is not working as hard.
Which of the following symptoms would indicate that the filter drier in a refrigeration circuit has become blocked?
A large temperature drop across the drier.
A pressure rise before the drier.
A hammering noise from the drier.
I don’t know.
To make a “call-request” one should:
Select the telex in on-line position.
Select the ID of the NCS.
Select the telex in off-line position.
Don’t know.
Which one of the listed requirements regarding fire protected lifeboats do not correspond to present regulations? Water spray systems shall:
Have separate draining pumps of sufficient capacity.
Be arranged for flushing with fresh water and allowing complete draining.
Protect the occupants through a continuous oil fire for a period of not less than 8 minutes.
Have means for “turn on/turn off” the flow of water over the exterior of the lifeboat.
During mooring operations which is the safe place to be in?
Outside the colored zone.
Behind the “point of restraint” but inside the zone.
Between the “point of break” and the “point of restraint”.
Where ever you feel safe.
What is the colour of the smoke signal used by life-saving stations or rescue units indicating that distress signals are observed in daylight?
Orange.
Blue.
Yellow.
Green.
Falls used in launching shall be turned end for end at an interval of not more than X months and to be renewed not later than every Y years, where the intervals are:
6 months/2 years.
12 months/4 years.
20 months/3 years.
30 months/5 years.
When starting up an aerobic type sewage unit for the first time, of after manual cleaning, how should the bacterial process be initiated?
By adding an activating agent to the inflowing sewage.
By bypassing the grey water inflow and operating only with black water.
By shutting off the air flow.
By filling the unit with sewage and bubbling air through it for 48 hours prior to starting the discharge pump.
Telephones are being used to communicate between personnel onboard and ashore during a bunkering operation. What instruction would you give to ship personnel regarding action to take in the event of failure of the telephone communication during the operation?
Use a crewmember as a messenger between personnel involved in the operation.
Call the electrician, and get him to repair the telephone while the bunkering operation continues.
Slow down the bunkering rate until alternative reliable communications are established.
Stop the bunkering until alternative reliable communications are established.
When starting three phase induction motors which of the following starting methods will immediately apply rated voltage to the machine?
Direct on Line.
Star Delta.
Soft starter.
I don’t know.
A High Breaking Capacity fuse found in a Main High Voltage Switchboard will typically have fault level rating of?
40 A.
400 A.
4 000 A.
40 kA.
How is the prime mover load normally kept to a minimum when starting up an electric driven reciprocating type air compressor?
By using an unloading device to keep the compressor suction valves open until the machine is up to speed.
By using an unloading device to keep the compressor delivery valves open until the machine is up to speed.
By keeping the main discharge valve closed until the machine is up to speed.
By keeping the second stage drain valve open until the machine is up to speed.
Some fuel oil and lubricating oil separators have a facility to control the back pressure of the clean oil outlet during start up and operation. What is the purpose of this control function?
To control the amount of fuel passing through the separator.
To help to maintain the oil/water interface at the correct position.
To assist in discharging the bowl contents during the sludge cycle.
To reduce the amount of sealing water required during operation.
The engine turns over normally when starting air is supplied but does not fire even though normal starting rpm is achieved. What could be the probable cause to this?
Air in the fuel oil system.
The turning gear interlock has operated.
The turbocharger has not run up to normal full speed.
The lubricating oil temperature is low.
Prior to the lunch break, the Engineer on Duty observes that the operating generator set has an output of 90 %. With regard to operation of the generator, what is the – most important – assumption(s) for him to check before switching to UMS-mode?
Visually checking the auxiliary engine that there are no leaks or other obvious operating failures.
That a secondary auxiliary set is switched to automatic standby mode.
All parameters as listed under the other alternatives.
That all operating parameters of the generator set in operation are normal (e. g. exhaust temp, lube oil pressure, cooling water temperature etc).
The charge air pressure supplied to a diesel engine, which is normally 2,0 bar, is reduced to 1,5 bar. What will be the likely effect on the engine operation?
The cylinder cooling water flow will increase.
The performance of the engine will be reduced noticeably.
The performance of the engine will be similar to normal conditions.
The turbochargers cooling water flow will increase.
Which one of the following items has to be included in an abandon ship drill according to SOLAS regulations?
Manoeuvring the lifeboat in the water.
Launching and recovery of a survival craft.
Starting and operating radio life-saving appliances.
Checking that life-jackets are correctly donned.
According to the rules of GMDSS vessels are equipped with certain radio-communication devices depending on:
Type of vessel.
Their tonnage.
The sea areas.
Don’t know.
Maintenance is to be carried out on a diesel engine. How long after stopping the engine should the cooling water and lubricating oil be kept circulating in order to avoid any undue thermal stress from residual heat?
At least 8 hours.
At least 24 hours.
At least one hour.
10 minutes is sufficient.
The critical part of any bunkering operation may be considered to be when topping off the tanks at which stage the risk of overflow and spillage of fuel oil is greatest. What is the correct safe procedure to adopt to minimise this risk?
Top off all of the tanks together to reduce the inflow rate into each tank.
Watch for oil coming up the sounding pipe and shut the tank valve just before it overflows.
Reduce the bunker delivery flow rate and top off the tanks one at a time.
Shut off each tank as it overflows into the fuel oil overflow tank.
How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?
Two, and at least one of the rescue boats shall be a Fast Rescue Boat.
One Fast Rescue Boat.
None providing the ship has lifeboats.
Two Fast Rescue Boats, one on each side of the ship.
The main propulsion diesel engine is normally started by direct admission of compressed air. Which one of the following statements is correct?
Percentage of available flow.
Number of consumers running (pumps, etc).
Percentage of maximum pressure being used.
Temperature of hydraulic fluid.
When bunkering through the port side of the bunker manifold what action should be taken with the valves on the starboard side of the manifold prior to bunkering operations commencing?
Blank flanges should be fitted to the closed starboard side manifold valves.
Just fit the blank flanges then it doesn’t matter if the valves are closed or not.
The blank flanges should be removed from the starboard side manifold valves to check for any leakage past the closed valves.
Just check that the valves are closed.
There are many types of pumps fitted onboard ship which an engine room rating may be required to assist with the maintenance of. Which type of pump is shown in the illustration?
A reciprocating pump.
A centrifugal pump.
A gear pump.
A scroll pump.
What do you understand by the term Maximum Continuous Rating, MCR, of a diesel engine?
The maximum speed that the engine can operate at continuously.
The maximum load that the engine can operate at continuously.
The maximum cylinder pressure that the engine can operate at continuously.
The maximum charge air pressure that the engine can operate at continuously.
The circuit consists of two inductors, L(1) = 6 H and L(2) = 12 H, connected in parallel. Calculate the equivalent L(S) of the two inductors:
L(S) = 4 H.
L(S) = 0,667 H.
L(S) = 1,5 H.
L(S) = 18 H.
What are we seeing here?
A sailing vessel less than 20 metres in length, displaying the optional combined lantern in lieu of standard sailing lights, seen head on.
A sailing vessel, seen from astern, where the edges of her sidelights are both visible.
A sailing vessel of less than 10 metres in length, displaying the mandatory combined lantern in lieu of sailing lights, seen head-on.
A sailing vessel, at anchor.
The «Deck Management Bulk Carrier» subject provides both theoretical and practical knowledge on safely working with electrical equipment. Mastery of this material is a clear indicator of an employee’s competence in their role aboard a vessel. A bulk carrier is a specialized type of ship designed to transport large quantities of loose bulk cargo, such as coal, grain, ore, or cement. These ships are distinguished by their large size, with a high freeboard (the vertical distance from the waterline to the deck) and a broad, flat deck. Bulk carriers come in various types, categorized by size, cargo capacity, and hull design, including Handysize, Supramax, Panamax, Capesize, and Valemax. They play a critical role in the global shipping industry, transporting raw materials and commodities between ports.
- Version: 6.0.0.
- Test type: STCW.
- Department: Deck.
- Level: Management.
- Vessel type: Bulk Carrier.
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