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Home Online tests CES Gas tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Gas tanker vessel
Online testing: Test online CES 5.1 for MASTER / Ch-Officer, Gas tanker vessel
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What is a hydrostatic release unit?
A unit for inflating the liferaft
A unit which automatically releases all securing when abandoning the vessel
A unit which automatically releases the liferaft/lifeboat at a depth of approx 4 metres
An important part connected to the sea anchor
Which one of the listed requirements regarding the launching and recovery arrangements for rescue boats corresponds to present SOLAS regulations?
Launching shall be possible at the ship's headway speed up to 5 knots in heavy weather.
The release mechanism shall be of an automatic type approved by the flag state Administration.
Embarkation and launching arrangement shall be such that the rescue boat can be boarded and launched in less than 5 minutes.
Rapid recovery shall be possible with the boat's full complement of persons and equipment.
The pyrotechnics used to transmit visual signals to other vessels, boats or aircrafts are of the following type
buoyant smoke signal
hand flare
rocket parachute flare
all of the above-mentioned
What class of fire involves liquids?
Class C fire
Class B fire
Class D fire
Class A fire
*What are the main components of the atmospherical air?
O2: 75% N2: 10% H2O: 5% CO2: 5%, Rare gases: traces
O2: 21% N2: 72% H2O: 5% CO2: 2% Rare gases: traces
O2: 21% N2: 78% H2O: traces CO2: traces, Rare gases: traces
O2: 50% N2: 50% H2O: traces CO2: traces Rare gases: traces
Tank top in engine room has a high quantity of oil residues floating around. When discovered, what action should be taken?
Open the overboard valve and start the bilge pump.
Start the fire pump.
Notify Ch.Eng., find cause of leakage, remedy the leakage and then immediately start cleaning of the tank top.
Apply foam to the tank top to minimise the risk of fire.
A drip tray containing oil is on fire. The only fire fighting equipment available is water hose with spray jet/spray nozzle. How, if at all, should you attempt to put out this fire using water?
The water can be applied in a fine spray starting from the front in a sweeping motion.
Water should be applied to the oil in a single jet only.
Water should not be used on any type of oil fire.
Water should be applied in a jet to the back of the fire.
Which of the following items SHALL be included in a fire drill?
checking the operation of fixed fire-extinguishing equipment
reporting to stations and preparing for the duties described in the muster list
operating one of the fixed fire-extinguishing equipment
checking capability of persons to prevent panic
Which one of the listed fire-extinguishing medium is most effective against an open oil fire?
Foam
Water
Powder
Gas
The portable walkie talkies required to be carried by GMDSS regulations should have which channels as a minimum?
Channel 16 only
Channels 13 & 16
Channels 6, 13 & 16
Channels 6 & 16
With an Inmarsat-C terminal the option ‘PSTN’ for addressing is available. This option:
to deliver a message by telephone via a modem on the computer of the subscriber
to have the operator read the message by phone
Don't know
delivers a message as a telegram
A received DSC ‘distress alert’ contains the following information: “UNDESIGNATED DISTRESS” Of this distress case:
Don't know
time is unknown
the position is unknown
the nature of distress is unknown
To prevent overload of the MF/HF transmitter;
Do not transmit too long at full power
Switch over to low power intermitently
Clean the dust filter of the fan regularly
Do not leave the transmitter on stand-by for too long, if not required
If requested by a coastal radio station to participate in a rescue operation, what is the most important information you may give?
Your position, name, call sign and speed
Your crews nationality
Your destination
Your own cargo owner
The satellite of the Inmarsat-EPIRB system have:
Don't know
geopolary orbits
geostationary orbits
polar orbits
The position of a 1,6 GHz Inmarsat-EPIRB is:
acquired by the doppler shift in the signals
given by the EPIRB itself
by satellites with the use of directing antennas
Don't know
A "Standard Format for Search and Rescue Situation Reports" (SITREPs) should be used by vessels in distress. The SITREP can be compiled as a short form (urgent essential details). Which of the following information shall be included when using the "short form"?
Cargo information.
Position.
Oil spill possibility.
Weather on-scene.
A distress alert has accidentally been sent with the Inmarsat-C installation. One should now:
turn of the transmitter
make contact with an RCC
wait until an RCC reports
Don't know
Who is responsible for keeping the required official publications onboard?
The radio officer.
The owner.
The authorities.
The master.
Name three international conventions that cover the international shipping trades?
The three international conventions that cover the shipping trade is SOLAS 74/78, STCW 78/95 and MARPOL 73/78
The three international conventions that cover the shipping trade is SOLAS 74, STCW 78 and MARPOL 73
The three international conventions that cover the shipping trade is SOLAS 74, SOLAS 78 and STCW 78
There isn’t any international conventions that cover the shipping trade
After checked for open airway, given the first two inflations and checked the pulse to make sure that the heart is beating, what is the rate of inflations given until natural breathing is restored ?
12 - 16 times per minute
10 - 12 times per minute
Doesn't matter how many times
25 - 27 times per minute
During loading of oil, you notice oil on the water near your vessel. What should you do first?
Notify the terminal
Search the vessel for leaks
Notify the Coast Guard
Stop loading
Give the meaning of the following symbol
Hose box
Remote controlled fire pumps
Foam release station
Powder handgun
The distress message is used when the vessel is threatened by a serious and imminent danger and is in need of immediate assistance. What is the telegraphy and telephony distress message like?
S O S (Telegraphy) / MAYDAY (Telephony)
X X X (Telegraphy) / PAN-PAN (Telephony)
F F F (Telegraphy) / RESCUE-RESCUE (Telephony)
T T T (Telegraphy) / SECURITE (Telephony)
During search and rescue operations an aircraft crosses the wake of your vessel close astern at low altitude.What does it indicate, if the aircraft rocks its wings, opens and closes the throttle or changes the propeller pitch?
Please call me on VHF 16 as you are not answering my calls
Your assistance is no longer required
Follow my direction to the ship in distress
Please remain where you are and await further instructions
When a conventional rudder is put hard over it creates a lift force and a drag force. When the ship has started to turn, how much lift force do you think remains if the rudder-angle is decreased to 20 degrees from hard over position (35 degrees)?
About 80 %.
About 10 %.
About 50 %.
About 30 %.
You are duty officer and it is restricted visibility. On the radar you are observing a vessel foreward on your bow (7 n.m. off) and a vessel with approx the same speed and course on your starboard side, but with a CPA of 0,2 mm. You alter your course to starboard and cannot avoid the collision. What should you have done instead?
You should call the other vessel on the VHF and asked the Sen.Off.Deck to keep away.
You did not do anything wrong. The collision could not be avoided.
You should have reduced your speed to the minimum on which the vessel can be kept on course.
You should altered your course to port and then avoided the collision.
Under GMDSS rules the trading area A3 can be considered to be:
Polar region.
Within VHF range.
Within MF range.
Within coverage of the INMARSAT system.
The VHF channels 15 and 17:
are protection channels for the distress channel, VHF channel 16
Don't know
is intended for radio traffic onboard of the own ship
is intended for safety traffic and radio medical advice
The effect of reflection of the radio waves in the ionosphere on the range depends on:
The correct adjustment of the button band width
The correct adjustment of the dimmer
The amount of ionisation
The correct adjustment of the clarifier
Which class of emission is used for VHF radio telephony transmissions ?
G3E
H3E
G2B
J3E
Which class of emission is used for HF radio telephony transmissions ?
G3E
J3E
J2B
F1B
Which frequency is used for MF DSC distress calls
2182 khz
2174,5 khz
2187,5 khz
2321 khz
Which of the following frequencies is used by the NAVTEX system ?
Answer
What is the Proper Shipping Name for: Caporit; CCH; Chloride of lime; Chlorinated lime; HTH; Lime chloride; or Calcium salt?
Calcium Hypochloride
Calcium Hydroxide
Calcium Hypochlorite
Calcium Oxychloride
Poster or signs shall be provided on or in the vicinity of survival crafts and their launching controls. Which one of the following requirements has to be included according to present SOLAS regulations?
Give relevant instructions and warnings.
Give an overview of location of all lifesaving appliances.
Give information on survival craft capacity.
Give information on survival craft speed and seaworthiness.
An immersion suit will not sustain burning or continue melting after being totally enveloped in a fire for a period of:
20 sec
10 sec
1min
2 sec
A person wearing an anti-exposure suit shall be able to:
don and remove the suit in the water in no more than 5min. if it impairs ability to swim
swim through the water at least 25m and board a survival craft
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
A person wearing an anti-exposure suit shall be able to:
don and remove the suit in the water in no more than 5min. if it impairs ability to swim
don a lifejacket without assistance
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
Which of the listed requirements for cargo ships regarding personal life-saving appliances does not correspond to present regulations?
Ships with a length of 100 metros or less shall carry minimum 8 lifebuoys
Cargo ships of less than 85 metros in length shall, as a general rule, carry immersion suits for every person onboard
Ships fitted with free-fall life-boats may carry thermal protective aids instead of immersion suits
Self-igniting lights for lifebuoys required on tankers shall be of an electric battery type
Which one among the following information shall be marked on the container of an inflatable liferaft:
SOLAS A PACK or SOLAS B PACK according to the type of emergency pack enclosed
the port of registry of the ship to which the liferaft belongs
the name of the ship to which the liferaft belongs
the number of the liferaft
Which item among those below is included in the normal equipment of every lifeboat ?
one life-jacket for each person
sea-charts and navigating equipment
an EPIRB
watertight receptacles containing 3l of fresh water for each person (may be partially replaced by a desalting apparatus)
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?
Correct donning of the protective clothing.
Correct use of on-board communication equipment.
Correct donning of life-jackets.
The use of oars and sails for survival crafts.
On the figure 4 possible definitions of the term "FAIRLEAD" are given. Which one is the correct one?
Fairlead is given by B on the figure
Fairlead is given by D on the figure
Fairlead is given by C on the figure
Fairlead is given by A on the figure
What is the main responsibility of a bridge lookout at night?
Inform the bridge of any new lights when they appear over the horizon or any other items observed which may affect the ship
Inform bridge of changing weather patterns
Inform bridge of any lights when they appear over the horizon
Inform bridge of any other ships observed, which appear to be getting closer to your own ship
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.
Many marine steam boiler designs incorporate external "downcomers". What is the main purpose of these downcomers?
To provide extra support for furnace tubes.
To increase heating surface area.
To ensure adequate circulation in all boiler operating conditions.
To provide a flow path for the steam bubbles.
On the diagram provided, there are four (4) possible directions indicating the term "AHEAD". Which one is the correct?
Ahead is given by A on the figure
Ahead is given by D on the figure
Ahead is given by B on the figure
Ahead is given by C on the figure
What name is given to the independent detection and warning system aimed at preventing overfilling of a cargo tank (and ultimately overflow of cargo) on a chemical tanker?
Safe ullage maintenance panel.
Level set detector.
Overflow prevention system.
High level alarms.
This circuit symbol is an amplifier system and its frequency response diagram. Which control function is the system performing?
Proportional + derivate (PD)
Integral (I)
Proportional + integral (PI)
Proportional + integral + derivate (PID)
You are testing the atmosphere in a cargo tank on an oil tanker, for the purpose of approving it as safe it for crew members to enter at the end of tank cleaning operations. According to the industry standard guidelines (ISGOTT), what measurements must be obtained before this permission is granted?
8% oxygen by volume and 0% hydrocarbon vapour concentration
21% oxygen by volume and less than 1% LFL hydrocarbon vapour concentration.
Minimum 17% oxygen by volume and not more than 1% LFL hydrocarbon vapour concentration.
21% oxygen by volume and less than 1% UFL hydrocarbon vapour concentration.
Shortly after starting up a fuel oil purifier oil is seen to be trickling out of the sludge outlet. Which of the options given is the most likely cause of this problem?
Incorrect gravity disc fitted.
Insufficient seal water supplied during start up.
Damaged bowl seal.
Excessive back pressure in the clean oil outlet.
What would a cracked cross-deck plating found during a loaded passage on a bulk carrier indicate?
That bulkhead failure is imminent
That the vessel is due for survey
That shear forces have been exceeded
That failure of the shell plating is imminent
Following replacement of a diesel alternator governor the machine is test run on load. It is found that as the load is gradually increased the voltage and the frequency gradually fall to an unacceptable level. The governor is a mechanical hydraulic type. Select from the options given the correct adjustment to make to correct the situation.
The governor load limit should be increased.
The governor droop should be increased.
The governor droop should be reduced.
The governor load limit should be reduced.
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.
Slow down the bunkering rate until alternative reliable communications are established.
Stop the bunkering until alternative reliable communications are established
Call the electrician, and get him to repair the telephone while the bunkering operation continues.
How would you determine whether a particular cargo transfer hose was compatible with the chemical product to be transferred?
Refer to the product entry in the hose manufacturer's chemical resistance chart.
Check the product classification mark stamped on the flange collar of the hose.
Check the colour of the hose against the general classification code in the IBC Code.
There will be no need to check. If the hose has been supplied to a chemical tanker, it will have been certified for the transfer of all chemical products.
What is the correct definition of "boat deck"?
A deck of cards on board.
Deck and secure the boats.
The deck of the boat.
The deck for the lifeboats.
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.
What special equipment can often provide assistance in locating a man overboard and in the water?
AIS
A RACON
A sectored search pattern
A SART
On a RoRo vessel, why should there be no more than two lashings secured to any one point on a ro-ro unit?
Because the vehicle securing point is likely to break in heavy weather
Because the vehicle itself is likely to tip over during heavy weather
Because the securing forces will not be evenly distributed
Which of the following documents gives the maximum point loading in cargo holds and on decks of a General Cargo Vessel?
General Arrangement plan
Ships Capacity plan
Planned maintenance schedules
Docking plan
High level and high-high level alarms in cargo tanks on chemical tankers are normally set to activate at which of the following percentage filling levels?
85% and 95%.
90% and 96%.
95% and 98%.
70% and 95%.
With two alternators running in parallel, you wish to disconnect one. The first step is to:
Make sure the load is evenly shared
Trip the main circuit breaker
Remove the load from the alternator to be stopped
Increase the frequency on the switchboard
Power is available at a three-phase motor starter but nothing happens (at starter or motor) when the start button is operated. Which of the following is a likely cause?
Open circuit in one of motor cables
Motor disconnected
Faulty overcurrent relay
Faulty contactor coil
What action should be taken by the Officer of the Watch in the event of fire being reported to the bridge during the 00.00 to 04.00 watch?
Send the bridge look-out down to investigate
Sound the Fire Alarm
Stop engines and inform the engine room
Call the Master
Which international convention deals with maritime safety and safety equipment onboard ro-ro passenger vessels?
SOLAS
STCW
ISM
MARPOL
On a RoRo vessel, where is the best place to find information on loading ramp limitations?
In the stability booklet
In the company's safety instructions
In the loading ramp manual
In RoRo Cargo Planning What should be considered for the location of stowage of a heavy loads such as transformer, locomotive or work boats?
The discharge port rotation
Requests from the stevedore
The stability of the vessel, access to the location and the SWL of the stowage location
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.
You notice the sump level in an engine has increased and no new oil has been added. What action would you take?
Reduced the load, and look after fuel or water leak.
Stop the engine and look for a fuel or water leak.
Drain some oil from the engine.
Leave it the same.
Routine maintenance insulation testing of a three - phase induction motor should cover which measurements?
AA-E, ZZ-E
U1-U2, V1-V2, W1-W2, U-E, V-E,W-E
U-V-W-E
U-E, V-E, W-E, U-V,V-W, W-U
"Protective discrimination" means the progressive grading of sizes or tripping times of:
Generators and motors.
Line fuses and overcurrent relays
Magnetic and thermal current transformers.
440 V and 220 V transformers.
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.
What advice would a harbour pilot give the Master?
A harbour pilot would advise the Master to have the steering gear tested
A harbour pilot would advise the Master to single up to one line and back spring, fore and aft
A harbour pilot would advise the Master to request port control for permission to leave the berth
A harbour pilot would advise the Master to ensure that the crew is on stand-by
Methane and carbon monoxide levels must be measured regularly on voyage when carrying a bulk coal cargo; how is this done?
Measurements can be taken through sounding pipes
Each hatch coaming must be fitted with an approved sampling port
Gas measurements are taken by entering hold
Hatch cover can be partially opened to allow readings to be taken
The water cooling space on the turbocharger is damaged and you have no spares. The cooling water must be closed. Which steps would you take to ensure least possible damage?
Make no modifications, but tell the duty engineer to pay special attention for abnormalities
Run the engine at a lower speed
Cool the turbocharger by means of air.
Dismantle the rotor and assemble the sealing plate
What should be done when flammable vapours are detected in a cargo hold?
Stop the hold ventilation and close all ventilator covers
Stop the hold ventilation
Run the hold ventilation in ‘supply’ mode
Run the hold ventilation in ‘exhaust’ mode
Very roughly, the gas mixture from Crude Oil can be represented by the pure hydrocarbon gas Propane for analysis and comparison purposes. What then is the approximate Lower Flammable Limit of Crude Oil when measured as a percentage volume in air?
9.5%
0.2%
5%
2.2%
These circuits are all active filters. Which of the circuits is a high-pass filter?
Figure 2
Figure 3
Figure 4
Figure 1
At what latest time shall doors, side scuttles, gangway doors, cargo- and coaling ports and other openings which are to be kept closed watertight at sea be closed at the start of the voyage?
Before leaving the pilot station
Before leaving the berth
Before entering open waters
Before leaving the port
What do you understand by the term "luffing"?
The raising or lowering of a crane jib, moving the head of the crane and therefore a suspended load horizontally towards or away from the crane.
The combined movement of hoisting a load and slewing the crane, employed when lifting a load from a dockside over and into a ship's hold, or vica versa.
The initial phase of hoisting a load, where the crane wire and structure takes the weight of a suspended load.
The rotating of a ship's jib in a circular movement about the crane.
As per SOLAS every fast rescue boat shall be provided with:
Thermal protective aids for the number of persons the boat is permitted to accommodate
Emersion suits for each person the boat is permitted to accommodate
3 Thermal protective aids
Thermal protective aids for at least 10% of the persons the boat is permitted to accommodate or two, which ever is greater
What is the minimum length of rubber insert when replacing a damaged section of the hatch cover seal?
250 mm
200 mm
275 mm
500 mm
What happens to green vegetables when exposed to the presence of ethylene gas?
They turn yellow
They develop aslightly salty taste
They develop a deeper green colour
They become resistant to mould and may be kept for longer
A ship experiences an interaction effect known as "Squat" when moving in shallow water. The amount of Squat is affected by the speed of the vessel through the water. If the speed through the water is HALVED what will be the change in the affect of "Squat"
The squat effect will also be halved.
There will be a significant change in the reduction of underkeel clearance, but the amount varies from ship to ship
There will be very little change to the effects of Squat.
The squat effect will be reduced to a quarter of its original value
With reference to General Cargo vessels, which of the following statements is correct?
Hot rolled steel coils are always shipped in stainless steel envelopes
Hot rolled steel coils must not be loaded in a rusty condition
Hot rolled steel coils can be loaded in heavy rain
Hot rolled steel coils must not be exposed to salt water contamination
On an enclosed car deck, may the drivers stay in their vehicles during the voyage?
It is up to the captain to decide
Yes, of course
No, it is not allowed
It depends on what type of vehicle they have
Which of the options given is the main reason for using a ring spanner to tighten the brass nuts on the cover studs of a pump casing?
The nuts can be tightened more with this type of spanner.
It will allow the nuts to be tightened correctly.
It will minimise the risk of slipping off the nut or damaging the nuts.
It can be adjusted to the exact size of the nut.
When patrolling the car deck during a voyage you should observe the following elements:
Check that fire hoses are connected to the fire hydrants
Any abnormalities such as leakages, fumes, smoke or fire. Check if the lashings need to be tightened on lashed cargo.
heck if all the lights are switched off and the doors are closed
Smoke or fire
How come that rules and regulations change over time?
We got new type of ships then we need new rules and regulations
Over time we got more experience with products and systems that gives us opportunity to change rules and regulations and we have to do the changes
Over time things are changing so we have to change the rules and regulations also
Over time we got more experience with products and systems that give us reason to change rules and regulations
This online test consists of 90 random questions from CES 5.1 tests on a topic of your choice.