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Home Online tests CES Oil tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Oil tanker vessel
Online testing: Test online CES 5.1 for MASTER / Ch-Officer, Oil tanker vessel
Online test
Description
The test consists of random questions on a selected topic.
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Which one of the listed requirements regarding lifeboat propulsion do not correspond to present regulations?
The engine shall be provided with an electric power starting system with rechargeable energy batteries
Every lifeboat shall be powered by a compression ignition engine using fuel with a flamepoint of not less than 44°C
Means shall be provided for recharging all engine-starting, radio and searchlight batteries
Water resistant instruction for starting and operating the engine shall be provided
Which one of the listed requirements regarding lifeboat equipment do not correspond to present regulations? All lifeboat equipment shall:
be made of fire-retardant material
be secured in the lifeboat (except boat-hooks) by lashings, storage in lockers, compartments, brackets or similar arrangement
be as small and of as little mass as possible
be secured in a manner as not to interfere with abandonment procedures
The necessary elements to create fire are
heat and chain reaction
combustible, air, flames and gas
combustible, comburent, flames and chain reaction
combustible, comburent, heat and chain reaction
What is the correct location of portable fire fighting equipment during loading/discharging operations?
On the forecastle and poop deck?
One fire hose and one powder extinguisher forward of the manifold area?
One fire hose forward and aft of the manifold, and portable fire extinguisher near to ships manifold?
Not necessary to locate portable fire fighting equipment near to the manifold?
A drip tray containing oil is on fire. The only fire fighting equipment available is a water hose with single jet/spray nozzle. How, if at all, should you attempt to put out this fire using water?
Water should be applied to the oil in a single jet only
The water can be applied in a fine spray starting from the front in a sweeping motion
Water should be applied in a jet to the back of the fire
Water should not be used on any type of oil fire
*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 following information must be given on the SART:
Date of replacement of the battries
The date of replacement of the hydrostatic release unit
The name of the operator
The MMSI number sent
What is meant in mariphone traffic with a coast-station by a ”personal call”:
a telephone conversation, stating name and address for account of the shore subscriber
a telephone conversation with a person whose name is known, department or extension on the telephone number given
a phone-call, stating name and address, with a person who has no telephone himself
Don't know
On board they want to send a telex message to the Apollogracht via Inmarsat. In the guides the following ID’s are found for the Apollogracht:24432000, 424432010, 424432020, 1300210, 36715. What ID should be chosen:
244320000
36715
424432010 or 424432020
Don't know
OPA-90 notification requirements.
Notify as soon as you have knowledge of a spill exceeding 10 gallons of o
Notify only if you mean that own vessel might be tracked and charged
Notify as soon as you have knowledge of any spill, or threat of a spill
Notify only if you mean that own vessel might be responsible
The ABC-rules are an important part of the First Aiders know how. What does the First Aid ABC-rules stands for?
Airway Breathing Circulation
Adults Behind Children
A Better Control
Anything But Continuation
What is the most probable place that any oil will flow over the ship's side in case of an overflow during loading/discharging?
Near the sounding pipe of the tank being loaded/discharged
Near the hatch of the tank being loaded/discharged
Near the cargo manifold
Aft part of the tank-deck
Any ship of 10.000 tons gross tonnage and above shall be fitted with oily-water separating equipment for the control of machinery space bilges.What kind of equipment is required in this connection?
Sludge separating tank.
Oily-water separating equipment only.
Either Oil fitting equipment , or Oily-water separating equipment , or combination of both.
Oil fitting equipment only.
Which of the following Meridian figures is correct? Approx. Pos: N30°00' W15°00'. Declination: 15°00'S.
Figure 4 is correct.
Figure 2 is correct.
Figure 1 is correct.
Figure 3 is correct.
How can an ARPA assist the ship to steer a suitable course to make good the entrance to a channel?
Select Relative motion display and make Own Ship vector pass through the middle of the entrance to the channel.
Select ground stabilised true motion display and alter course so that own ships true vector passes through the middle of the entrance to the channel.
Select True ground stabilised vectors and make the vectors from both buoys at the entrance to the channel pass either side of the centre of the screen.
Acquire the buoy at the entrance to the channel and on relative vector display alter course to make the vector of the buoy pass directly through the centre of the screen.
There exists an unqualified obligation to assist persons in distress, but does the Master have an obligation to assist in towing a vessel?
The Master has no obligations to assist in towing a vessel
Only if the vessel in distress can supply the insurance wire
The Master has no obligations to assist in towing a vessel in distress, but may do so when taking necessary precautions in coordination with the Chief Engineer and Company Claims Manager
Yes, but weather permitting
You are the master onboard at VLCC of 280.000 tdw, and have received a telex from the Cargo Terminal asking if your SPM-moorings are according to the OCIMF standard. What fittings must you have to comply?
One tongue-type/hinged bowstopper with centre bow closed fairlead. Capacity 200 tons.
Two tongue-type/hinged bowstoppers with one centre closed fairlead. Capacity 200 tons.
Two tongue-type/hinged bowstoppers with separate closed fairleads. Capacity 200 tons.
One Smith type bracket with centre bow fairlead. Capacity 150 tons.
You are duty officer on the bridge. An eye-witness has reported a man-overboard. Which of the following actions is the correct manoeuvre in this situation?
Direct Turn
Williamson Turn
Scharnow Turn
Evinrude Turn
The rudder is hard over, full ahead in deep water. How much lift force remains when the engine is stopped?
About 20 %
About 50 %
About 5 %
About 80 %
A radio-wave travels in the air at a speed of:
300.000 Kilo meters per seconds
300.000 Metres per second
30.000 Kilo meters per hour
300.000 Kilo metres per hour
How many maintenance methods must be provided by ships sailing in area A3 and A4
2
1
4
3
Which one of the listed items has to be included in a distress message?
Last port of call.
Destination.
Weather in immediate vincinity.
Identification of the ship.
A lifejacket has sufficient buoyancy and stability to lift the mouth of an unconscious person at a minimum of:
120 mm above the water (in calm water)
40 mm above the water (in calm water)
160 mm above the water (in calm water)
180 mm above the water (in calm water)
*Which among the following list is particularly required for a totally enclosed lifeboat ?
windows on both sides can be closed watertight and opened for ventilation
handrails inside for persons moving to their seats
hatches positioned so as to allow launching and recovery operations to be performed without any occupant having to leave the enclosure
self-bailing arrangements
How many hand held distress flares are carried in each lifeboat?
6
2
12
4
*Give the meaning of the following symbol
Fasten immersion suit belt
Fasten seat belts
Secure buoy line to the ship
Secure hatches
When mustered to an abandon ship drill, what is the first thing you do when entering the muster station?
Wait for the order to put on your life jacket
Pick up a life jacket
Wait for orders
Report your presence
How can the error of the Gyro compass be determined?
By using any of the methods in the suggested answers
By taking the radar bearing of an object when the radar is on a compass stabilised mode and comparing it with the bearing on the chart of the same object
By taking a transit bearing with the gyro compass of two prominent fixed shore objects and comparing it with the bearing of the same objects on the chart
By comparing the course readout on the GPS with the gyro course steered.
In respect of washings from the cargo area of an oil tanker, what is the maximum instantaneous rate of oil that can be pumped into the sea when a vessel is outside a special area, proceeding en route, has in operation a monitoring and control system for the discharge of oil and is located more than 50 nautical miles from the nearest land?
0.03 litres per nautical mile.
30 litres per nautical mile.
300 litres per nautical mile.
60 litres per nautical mile.
What is characteristic of titanium, magnesium and lithium catching fire?
There is always risk of explosion
These fires are self-extinguishing
These fires can only be extinguished using water
Due to chemical reactions these cargoes will continue to burn
What does the Chief Officer want the 1st Engineer to do?
The Chief Officer wants to speak to the 1st Engineer
The Chief Officer wants the 1st Engineer to empty side tank No. 2
The Chief Officer wants the 1st Engineer to put the hydraulic hand pump in bilge No. 5
The Chief Officer wants the 1st Engineer to empty the starboard bilge in hold No. 5
What is meant by a two stage compressor ?
Two stage air compressors have the capabillity to compress air in stage one and dry the air in stage two.
The compressed air goes back from stage two and into stage one to get extra pressure before it goes into the starting air bottles.
The two stage air compressor take some air from the surraundings to stage one and compress and some air from the surraundings to stage two and compress.
Air from stage one goes through discharge valves in stage one and through suction valves into stage two. In stage two it will be compressed to high pressure air.
When a ship is switching from ammonia to LPG virtually all traces of vapours must be removed. What is the allowable concentration of ammonia vapour in the tank prior to loading the next cargo?
Less than 20 parts per million.
Less than 5 parts per million.
Less than 50 parts per million.
Less than 100 parts per million.
A transformer with 10:1 turns ratio and rated 50 kVA, 2400/240 Volts, 60 Hz, is used to step down the voltage to a distribution system. The low tension voltage is to be kept constant at 240 Volts. What load impedance connected to the low-tension side will cause the transformer to be fully loaded?
1.15 Ohms
230 Ohms
115 Ohms
2.3 Ohms
What is essential with liquefied gas fires
To isolate the fuel source before extinguishing the flames on a gas fire
To cool down the surroundings and extinguish the fire
To immediately start extinguish the flames with water
To evacuate the area
During inspection of the main bearing shells and housings of a medium speed diesel engine it is found that there is evidence of fretting at some of the bearing shell joint faces, the bearing housing joint faces and also between the back of the bearings and the bearing pocket. From the options given which is the most likely cause of these defects?
Running the engine overloaded.
Excessive tightening of the main bearing bolts
Operating with a faulty torsional vibration damper.
Insufficient tightening of the main bearing bolts.
To evaluate the condition of a heat exchanger the following measurements should be recorded:
Pressure drop
In and outlet temperatures, and flow rates for both media
In and outlet temperatures for both media
In and outlet temperatures on one media
Which IMO convention takes care of the human safety at sea?
It is the MARPOL that takes care of the human safety at sea.
There are not any conventions that take care of the human safety at sea.
It is the STCW that takes care of the human safety at sea.
It is the BCH Code that takes care of the human safety at sea.
What should you do if you are in the engine room and the alarm for "CO2 release into the engine room" sounds?
Leave the engine room immediately.
Start the fire pump.
Wait to make sure that the CO2-system is discharging into the engine room before leaving.
Immediately go for the nearest fire extinguisher.
A heavy piece of machinery is loaded on deck of a container vessel, stowed across several flatrack containers. Select the most appropriate lashing method.
All lashings to be taken to the hatch top.
Some lashings direct to the flat rack and some to the hatch top, coaming and pillars.
All lashings to be taken to the flatrack lashing points.
All lashings to be taken to the hatch coamings, pillars and lashing bridges.
On a General Cargo Vessel, which of the following statements are correct?
Under the Hague-Visby rules there is an obligation to make a vessel seaworthy
Under the Hague rules there is an obligation to make a vessel seaworthy
Under the Hague and Hague-Visby rules a ship-owner must exercise due diligence to make a vessel seaworthy
Under the Hague and Hague-Visby rules a vessel must be seaworthy at the commencement of a voyage
Under what circumstances would you remove guards and safety devices from machinery?
To allow the shaft to be seen to confirm the machine is running.
When they are rattling and vibrating.
When the safety devices keep stopping the machinery
During overhaul and maintenance procedures.
A container vessel must alter her trim to depart even keel from the berth. Select the most appropriate means of altering trim.
By taking ballast into the lightest draught end of the vessel.
By altering the cargo disposition.
By discharging ballast from the deepest draught end of the vessel.
By internal shift of ballast.
A high speed diesel engine operates with a monobloc inline high pressure fuel pump consisting of a number of helical type pump units contained in a single housing. From the options given select the method which is the most common one available for adjusting the fuel timing onboard where no specialist setting up equipment is available.
Adjustment of the HP fuel block by adding or removing shims between the pump and the engine block.
Adjustment of the height of the individual fuel pump elements within the pump block
Adjustment of the drive coupling to the driven coupling for the HP fuel pump using reference marks to No 1 cylinder TDC.
Adjustment of the fuel rack position for the complete HP pump unit.
The cargo tanks for liquefied gas carriers are grouped into 4 types depending on the survival capability requirements. Which of tank types is suited for the carriage of all cargoes listed in chapter 19 of the IMO IGC Code from a survival capability aspect?
2PG
2G
1G
3G
A deadweight tester is used to check and calibrate a pressure gauge. The tester consists of a hydraulic pump and a hydraulic chamber and balance weight system. After completing the calibration of the pressure gauge the hydraulic pressure should be relieved before removing the weights. Select, from the options given, the main reason for this requirement.
To protect the pressure gauge from a surge in pressure as the weights are removed.
To protect the hydraulic balance system from a pressure surge as the weights are removed.
To protect the piston in the hydraulic system from possible impact damage as it may reach the end of its stroke.
To protect the hydraulic pump from a pressure surge as the weights are removed.
What is the requirement with regard to Familiarisation on board?
During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.
Seafarers, on being assigned to any ship, shall be familiarized with their specific duties and with all ship arrangements, installations, equipment, procedures and ship characteristics that are relevant to their routine or emergency duties.
Seafarers on board passenger vessels must as soon as possible learn the names of all persons working in the same department in order to ensure efficient daily operation.
Seafarers shall be familiarized with all life saving appliances and emergency exits in case any emergency situation occurs. It takes normally an hour to complete the Safety Familiarisation. The safety Officer is responsible.
A high pressure, oil fired steam boiler operates with an automatic combustion control system for start, stop and modulation of the burners. Which feature of the combustion control system is intended to minimise the risk of blowback during normal operation?
Pre-purge of the furnace prior to burner ignition.
Automatic retraction of the burner after shut off.
Post-purge of the furnace following burner shut off.
Burner shut down in the event of flame failure.
Perishable cargo is usually stowed on wooden pallets. The pallets are designed for either two-way or four-way fork lift entry. From the point of view of use on a refrigerated vessel, choose the option which highlights the most important difference between these two types of pallet.
The four-way pallet uses less material.
The two-way pallet is more robust.
The two way pallet is easier to construct.
It does not matter which way around the four-way pallet is stowed.
What should be on the deck immediately outside the door to a walk-in refrigerator?
Fire resistant natural fibre matting.
Easy wash plastic floor covering.
Non-slip matting.
An area marked with yellow diagonal lines.
Which of the following forms of food poisoning is particularly associated with outbreaks on cruise ships?
Staphylococcal enterotoxin.
Norwalk virus
E-coli.
Salmonella enteritidis.
By what practical means can the upper reaches of a bulk carrier’s hold be inspected?
Standing on the Australian ladder’s upper platform
Using a deck crane
By erecting scaffolding
Using a cherrypicker
How many rescue boats should be provided on passenger ships of 500 gross tons and above?
Two, one on each side of the ship
Two, and at least one of the rescue boats shall be a Fast Rescue Boat
None
One Fast Rescue Boat
On capesize bulk carriers what problems are associated with welding of the corrugated bulkheads during construction?
Stress concentrations at the corners of the bulkheads
Cracking of cross-deck plating
A reduction in shear forces
Several areas of the bulkheads being 'out of tolerance'
If conditions permit, which is the best way to board a liferaft which is floating close to the ship?
Wearing a lifejacket, jump into the water close to the raft and then swim to it
Jump onto the raft itself
Jump into the water close to the raft, without a lifejacket, as this will make it easier to swim and board the liferaft
Use a rope ladder close to the raft to climb down and board
Where is the normal position of the "Pivot Point" of the vessel when going ahead?
1/4 of vessel's length from the stern
1/3 of the vessel's length from the bow.
Amidships
Normally varies dependant on the speed ahead
You are going to enter a tank to clean up some dust. What kind of permits is required to be issued before entering?
Enclosed Space Entry Permit
Hot Work Permit and Cold Work Permit.
Enclosed Space Entry Permit and Hot Work Permit.
Enclosed Space Entry Permit and Cold Work Permit
How is a dangerous substance listed in the IMDG Dangerous Goods List?
By its Proper Shipping Name (PSN) and subsidiary name
By its Trade Name
By its Proper Shipping Name (PSN)
By its abbreviated Trade Name
Indicate the correct name for the part marked on the sketch:
Push rod
Connecting rod
Rocker
Main bearing
Which of the following cargoes would normally require surrounding empty cargo tanks, void spaces and ballast tanks to be inerted prior to loading and maintained in that condition while the cargo was on board?
Propylene Glycol.
Propionic Anhydride.
Propylbenzene.
Propylene Oxide.
To correctly interpret the readings on the printout from a reefer vessel’s cargo data logger it is essential to have some knowledge of the location of the temperature sensors. Where would the temperature sensor for the delivery air to a cargo hold be expected to be located?
Just above the cooling coils where the air returns from the cargo space.
In the air flow path from the cooling coils, about 3 metres from the coils.
In the air flow path from the cooling coils, but at the opposite end of the cargo space to the coils.
Near the centre of the cargo space.
Medium and high speed diesel engines used for marine propulsion normally require a reduction gearbox to be fitted in order to achieve suitable output speeds for the propeller. What device is normally required in the drive arrangement in order to avoid damage to the gearing due the torque variations of the diesel engine output?
A flywheel.
A moment compensator.
A flexible coupling.
A mechanical friction clutch.
On a RoRo vessel, what should be done first when cargo has shifted at sea on a RoRo vessel and re-lashing is not possible?
Take action to improve stability
Go Faster to outrun the problem
Alter course and/or speed to reduce the accelerations and prevent further damage
You are in charge of discharging and crude oil washing. What is the maximum allowed oxygen level measured in the middle of the ullage space in a tank during crude oil washing? (IMO Reg)
10%
8%
3%
5%
What is IMO's definition of liquefied gas?
All chemicals with excess pressure above 2.8 bar at +73.8 C.
All chemicals with excess pressure above 8.2 bar at +37.8 C.
All chemicals with excess pressure above 2.8 bar at +37.8 C.
All chemicals with excess pressure above 2.8 bar at +100 C.
Which of the following statements concerning an accidental oil spill in US waters is true?
The person in charge must report the spill to the US Coast Guard
A warning broadcast must be made by radiotelephone (VHF)
The Corps of Engineers is responsible for the clean up of the oil spill
The Department of Interior is responsible for the clean up of the oil spill
How often shall watertight doors in main transverse bulkheads which is in use at sea be operated (tested)?
Daily
Every month
Every two weeks
Weekly
Why do we have longtitudal bulkhead in a prismatic cargo tank
To reduce the free surface ”sloshing” on the cargo
To control the list of the ship
To load two grades of cargo in one tank
To increase the transverse strength of the cargo tank
What can happen with a lub. oil cooled piston if You stop the lub. oil pump immediately after You stop the engine?
You save the oil sealings in the piston.
Nothing happens.
The oil flashpoint will be changed.
Overheating of the piston, and oil coke deposits in the cooling chambers.
During 'dry lay up' of a main water tube boiler it is necessary to maintain dry, low humidity environment in the water spaces. Which of the chemicals given in the options would best achieve this condition?
Sodium hydroxide.
Calcium phosphate.
Silica gel.
Hydrazine
A positive displacement type flow meter is defective and cannot be repaired. It is to be replaced with a new instrument which uses a Venturi type sensor. Which of the pneumatic relays given in the options will be required in order for this type of instrument to function correctly?
Multiplier relay.
Summation relay.
Square root extractor relay.
Subtraction relay.
When selecting switchgear to work with High Voltage it is important to use an appropriate arcing medium. What is meant by arcing medium?
The way in which the contacts separate as the switchgear operates.
Equipment which communicates information about the arcing.
A material which assists a welding process.
The gas or vapour which will minimise creation of an electric arc as contacts open.
Some liquefied gas carriers are classed as fully refrigerated. What is the general meaning of the term 'fully refrigerated liquefied gas carrier'?
Any vessel for carrying liquefied gas at low temperature in semi pressurised independent tanks.
A vessel which is designed to carry liquefied gases at low temperature and atmospheric pressure between terminals with fully refrigerated storage tanks and a full onboard cooling plant.
Any vessel which has thermally insulated cargo tanks.
A vessel which can load a cargo of gas at ambient temperature and cool it down to a liquid state.
What are the main elements in a damage control plan?
A damage control plan is the same as an emergency plan
Boundaries of the watertight compartments for decks and holds. Position of controls for opening and closing of watertight compartments. Arrangement for correction of list due to flooding.
Instructions and procedures for reporting damage to the Company
Arrangements for correction of list due to flooding within 15 minutes
In a two stage compressor you will find pistons with different diameters (one is bigger than the other).Which one of the following statements is correct ?
The smallest diameter piston is the stage two piston
A big piston will give less oil content in the air.
A big piston will deliver dryer air into stage one.
The biggest diameter piston is the stage two piston.
For what purpose do we have booster pumps on the cargo discharge line onboard gas carriers?
On gas carriers we have booster pumps on the cargo discharge line to increase the discharge pressure and reduce the cargo temperature.
On gas carriers we have booster pumps on the cargo discharge line to increase the discharge line pressure above shore back pressure.
On gas carriers we have booster pumps on the cargo discharge line to easily reduce the flow and pressure to shore line.
On gas carriers we have booster pumps on the cargo discharge line to increase the discharge rate to shore.
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.
What is static amplifying
Change in input signal divided by change in output signal
Change in output signal divided by change in input signal
Corresponding change in signals
Change in input signal times change in output signal
The recognised definition of High Voltage equipment is anything that operates at over which of the following levels?
440Volts ac or dc.
1000Volts ac or 1500Volts dc.
1000Volts ac or 750Volts dc.
33,000Volts ac or dc.
A seawater pump requires overhaul but there are no spare wear rings for the casing and impeller. It is decided that new wear rings will be fabricated onboard using the ship's lathe. What would be the most suitable material to use to fabricate the rings onboard?
Zinc.
Aluminium brass.
Mild steel.
Aluminium.
On a RoRo vessel, what must you ensure where the cap of a sounding pipe is flush with a ro-ro deck?
Sufficient vertical clearances between the sounding pipe cap and cargo lashings
Prohibit all cargo stowage around this area
Prohibit the stowage of general cargo around the area
Prohibit the stowage of wheeled cargo around the area
Which of the listed sensors is suitable for physial displacement?
Pt 500
Thermocouple
Thermistor
Strain gauge
here do you find detailed information and specific technical requirements for life-saving appliances?
SOLAS
Safety Management System
ISM Code
Life-Saving Apliance Code (LSA Code)
The circuit shows a full-wave bridge rectifier. Which electronic component will you connect between 'a' and 'b' in order to obtain reduced ripple voltage to the load RL.
Zener diode
Capacitor
Inductive reactor
Resistance
A refrigeration plant is short cycling even though there is plenty of refrigerant in the system and all of the rooms are above temperature. From the options give select the one which is the most likely cause of the problem?
Low oil level in the sump causing the automatic low oil pressure cut out to operate.
Blocked filter drier causing the automatic low pressure cut out to operate.
Insufficient cooling water flow through the condenser causing the automatic high pressure cut out to operate.
Ice formation in the meat room evaporator coil causing the automatic low pressure cut out to operate.
How are cargo holds, below the freeboard decks car carriers, segregated?
By gas-tight doors
By weather-tight doors
By water-tight doors
By air-tight doors
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.
What is the name of UN maritime division?
The UN maritime division is UNM (United Nations Maritime)
UN does not have any maritime division.
The UN maritime division is IMO (International Maritime Organisations)
The UN maritime division ISO (International Shipping Organisation)
Having a CO2 alarm during normal working hours, what immediate action should be taken?
Get into the control room.
Awaiting further order.
Get out of the engine room as soon as possible.
Ignore the alarm.
What is the point when it is possible to ignite the vapour above the oil called?
Boiling point.
Flash point.
Ignition point.
Pour point.
This online test consists of 90 random questions from CES 5.1 tests on a topic of your choice.