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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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Among working conditions listed below which one is required for every propulsion engine of lifeboats?
For a period of at least 72 hours
Propeller permanently driven by the engine
Propeller disengaged and ahead or astern propulsion
Self-starting and launch procedure simultaneous
How many hand held distress flares are carried in each liferaft with SOLAS B pack?
3
2
Nil
4
Where on board would you find out which fire sections are enclosed by "A" or "B" class divisions?
In the stability book
On the capacity plan
On the fire control plan
On the general arrangement plan
*At what temperature do the sprinklers come into operation in accommodation and service spaces ?
Over 100 ?C
Within 50 ?C to 60 ?C
Over 150 ?C
Within 68 ?C to 79 ?C
A detector that is activated by a rise of temperature is:
a detector of radiation
an optic detector
a smoke detector
a thermic detector
*May an engine room be only protected by a fixed low expansion foam fire-extinguishing system?
Yes, if the "engine room" is considered as a machinery space of category A
Yes
It depends on the type of vessel
No
What is the minimum number of independently driven fire pumps that must be provided on general cargo ships of 1000 gross tonnage and upwards?
4
1
2
3
What is the general requirement for the closing mechanisms of the inlets and outlets of all the ventilation systems?
Only a manually closing mechanism is allowed
Closing must be remotely controlled from the central fire control panel
Closing must be possible from outside the spaces being ventilated
An automatic closure for each section protected by a fire detection and alarm system must be provided
If you have to carry out hot work close to a smoke detector in the engine room, what precaution(s) should be taken?
Disconnect the smoke detector
Notify the deck officer in charge that a fire alarm may occur
No special precaution except for having a watch man and a fire extinguisher available
Notify the Master, Deck officer on duty and the engineer on duty, the loop for this special sensor to be switched off and take normal precautions for hot work
Which one of the listed requirements regarding VHF radiotelephone installations do not correspond to present regulations?
Controls for the channels required for navigational safety shall be immediately available on the navigating bridge, convenient to the conning position
Facilities should be available to permit radio communication from the wings of the bridge
Cargo ships of less than 500 tons gross shall have the batteries located in the upper part of the ship
As far as practicable, the antenna shall have unobstructed view in all directions
When an HF band a DSC distress alert is received, you have to listen to:
8414.5 kHz (DSC distress frequency in 8 MHz)
Don't know
the radio-telex distress frequency in the band in which the DSC distress alert was received
the radiotelephony distress fequency in the band in which the DSC distress alert was received
The capacity of a battery is expressed in:
volt x ampere
Watt x hours
ampere x hours
volt x hours
Which action do you perform when you log in to a satellite ocean region?
You adjust the antenna.
You update the ship's position
You inform the NCS that the SES is available for comunications.
You select the CES through which you wish to send a message.
To inform ship of coast-stations messages, coast-stations give at fixed times:
A list with the names of the ships involved spoken alphabetical numerical sequence.
A list of the official identification numbers, for example the Maritime Mobile Service Indentity (MMSI).
A traffic list with the call-sign of the ships involved in alphabetical numerical sequence
A list of all the messages for each vessel
If Mouth - to - Mouth (M-T-M) ventilation by itself is unsuccessful and the casualty's heart stops, or has stopped beating, you must perform External Chest Compression (ECC) in conjunction with M-T-M. When performing ECC, where do you place your hand on the casualty's body?
Place the heel of your hand on the top of the heart position. Cover the hand with the heel of the other hand.
The correct position of your hands are of no importance.
Place the heel of one hand, two finger breadths above the bottom of breastbone. Cover the hand with the heel of the other hand.
Place the heel of your two hands on the top of the breastbone.
Pollution Regulations require that each scupper in an enclosed deck area have a:
Soft rubber plug
Wooden plug
Two-piece soft patch
None of the other alternatives
In which areas is plastic material accepted for overboard disposal?
In coastal waters.
In specially designated areas (ref. MARPOL).
Not permissible any where.
100 n.m. from shore line.
What is the correct understanding of the term "a ship with good Directional Stability"?
A ship which when the rudder is left amidships, it will continue on approximately a straight course
A ship where the amount of positive transverse stability (GM) will vary with the direction of the ship's head.
A ship which will maintain its course unless large rudder angles are applied.
A ship which when a rudder angle is applied and the ship starts to swing, will continue to swing even after the rudder is returned to amidships
The maximum rudder angle on your ship is 35 degrees. Do you think this is the angle that the rudder is most effective?
No, the most effective rudder angle is about 25 to 30 degrees, this is because the rudder is "stalling" at 35 degrees angle
No, the rudder is most effective at small rudder angles
No, the rudder is most effective at angles between 10 and 20 degrees
Yes, the rudder is most effective at max angle
When Sen. Deck Off. of both vessels involved have decided which will be the last lines to be let go whilst unmooring, these lines should be made fast as follows on the ship accepting the lines.
By keeping the rope on the warping drum of a deck winch, fig. 3.
By turning up the rope on the bitts, fig. 1.
By putting the eye on the bitts, fig. 2.
By shackling the eye to a strongpoint, fig. 4.
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.
One is sailing on inshore waters with poor visibility and with the use of radar. There must be a continuous watch on VHF-channel:
13
Don't know
70
16
Of the AM-signal:
Don't know
both amplitude and frequency of the carrier wave are variable
amplitude is variable and frequency of carrier wave is constant
amplitude and frequency of the carrier wave are constant
Define the class of emission F1B :
Radiotelephony - Phase modulation
Radiotelex and DSC - Frequency shift keying of carrier with error correction
Radiotelex and DSC - Frequency shift keying of sub-carrier with error correction
Radiotelephony - Frequency modulation
Give the meaning of this symbol:
lifebuoy with light
lifebuoy with automatic sound signal
lifebuoy with line
lifebuoy with light and smoke
Give the meaning of the following symbol:
muster station for rescue boat
rescue boat
lifeboat
muster station for lifeboat
*Which one of the given requirements listed below, regarding survival craft muster and embarkation arrangements, listed below, corresponds to the present SOLAS regulations ?
searchlights to be provided at the launching station
muster and embarkation stations are to be arranged separately to improve working conditions
muster and embarkation stations shall be readily accessible from accommodation and work areas
davit-launched survival craft muster and embarkation stations shall not be arranged to enable stretchers to be placed in survival craft
What is the general emergency alarm signal as specified in SOLAS?
One long blast followed by six short blasts
Continuous ringing of the alarm bells
Seven or more short blasts followed by one long blast
Six or more short blasts followed by one long blast
Give the meaning of the following symbol:
survival kit
lifejacket
immersion suit
child's lifejacket
For how long and at what speed is a fully loaded lifeboat designed to operate in calm weather ?
6 knots for 24 hours
4 knots for 48 hours
3 knots for 24 hours
10 knots for 24 hours
Which of the following fittings shall be provided to all lifeboats:
an electric power starting system for the propulsion engine with one rechargeable energy source
a means for collecting rain water
permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat
a remotely operated steering arrangement
Which item among those below is included in the normal equipment of every lifeboat ?
an EPIRB
one life-jacket for each person
two efficient painters
sea-charts and navigating equipment
What is the meaning of this symbol ?
Release falls
Start air supply
Fasten seat belts
Secure hatches
*Give the meaning of the following symbol
Start water spray
Start engine
Start lowering the lifeboat to water
Start air supply
Which channels are required for the portable two-way VHFs for survival craft?
Channel 16 only
Channels 16 12, 6, & 70
Channel 16 plus another one
Channels 16, 12 & 6
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. Which of following detailed explanations of crew duties in relation to emergency situations shall be contained therein?
The method and use of sea-anchors (drogues)
The use of oars and other propulsion equipment for survival crafts
The use of navigational equipment for survival crafts
Correct donning of fire protective clothing
Who is the leader of the lifeboat drill (abandon ship drill)?
The appointed lifeboat commander
The first member of the crew arriving at the survival craft
Senior deck officer
Senior engine officer
Checking the lubricating oil sump level of the generators is one of the engine watch ratings regular duties on a particular vessel. During the check it is noticed that the oil level is unexpectedly below the minimum mark on the dip stick. What action should be taken?
The rating should fill the sump to above the operating level in case there is a leak and the oil level drops too low before the next check.
The rating should stop the generator immediately.
The rating should just fill the sump back to the normal operating level.
The rating should fill the sump to normal operating level and immediately inform the engineer on watch.
In oil tanker operations, what is understood by the term "Load On Top"?
Loading part of an oil cargo in one port, then loading the same type of cargo "on top" in a subsequent port.
Loading a new compatible cargo "on top" of the oil and water residues from a previous cargo in the sloptanks
Loading an oil cargo into the tanks tanks through hoses inserted through the tank hatches and lashed in position
Loading part of an oil cargo in one port, then loading a different type of cargo "on top" in the next loadport
At what temperature is it recommended that frozen fish is stored?
0degrees Celsius.
Between 1 and 4 degrees Celsius.
-2 degree Celsius.
-20 degrees Celsius.
What are cowl ventilator trunks prone to?
Infestation
All
Leakage
Corrosion
The temperature of the feed water for an auxiliary boiler is automatically controlled by a pneumatically actuated steam valve at the inlet to the pre-heater. It is noticed that during high demand the temperature falls by an unacceptable amount and takes a long time to return to the set temperature even though the steam supply pressure remains constant. Select from the options given the most likely cause of this.
The controller proportional band is set too wide.
The controller proportional band is set too wide and the reset time is set too long.
The controller reset time is set too long.
The control air pressure regulator is set too low.
What are the basic cargo stowage requirements for a small consignment of household cleaning products when loaded on a General Cargo Vessel?
Stow away from any other chemicals
Stow away from foodstuffs
Stow next to bagged grains
Stow on deck only
In terms of instrumentation and measurement, what is an I/P Transducer?
A transducer that converts a known electric current to a pressure proportional to the current.
A transducer that increases a pressure signal which is too low to give the desired effect.
A transducer that converts a pressure to a proportional electric signal.
A transducer that is inverting a pressure signal.
When measuring the liquid level in the cargo tank of a liquefied gas carrier a number of different corrections may be necessary to get a true reading. Why do readings obtained from a float type ullage tape sometimes require a 'tape correction'?
The vessel may not be on an even keel when the readings are taken.
The length of tape in contact with very cold cargo vapours may contract.
The vessel may have a list when the readings are taken.
The float may become heavier and partly sink due to liquid cargo absorption.
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
What would rolling indicate, on a vessel loading logs on deck?
Increasing capsizing moments
The onset of synchronised rolling
An approaching angle of loll
Zero GM
Over a period of a few hours of operation the main diesel engine speed gradually falls off. From the options given what is the most likely cause of this fault?
Fouling of turbocharger intake filters.
Water in a cylinder.
Injection valve opening pressure is too low.
Governor linkage broken.
The diagram shows a the symbol for a component from a hydraulic circuit. What component does it represent?
A check valve.
A throttle valve.
A pressure relief valve.
A directional control valve.
What has a major adverse effect on the manoeuverability of a RoRo car carrier?
Fore end design
Wind
The vessel's block coeffecient
Tidal streams
On the figure 4 possible definitions of the term "BOW/STEM" are given. Which one is the correct one?
Bow/stem is given by B on the figure
Bow/stem is given by A on the figure
Bow/stem is given by D on the figure
Bow/stem is given by C on the figure
Polymerisation may be a problem with some liquefied gas cargoes such as vinyl chloride and ethylene oxide. What is the definition of polymerisation?
Polymerisation is when liquids cool down and become more viscous.
Polymerisation is when single molecules of the same compound join together to form a new compound usually with a higher viscosity.
Polymerisation is when the molecules of a compound split and form a new compound.
Polymerisation is when molecules of two or more different compounds join together to form a new compound.
When should steel cargoes be ventilated?
When ambient air temperatures are rising
When passing from a cool to a relatively warm climate
When passing from a warm climate to a warmer climate
When ambient air temperatures are falling
What is the most utilised pump type for cargo discharge on a gas carrier?
Displacement pump.
Booster pump.
Hydraulic driven centrifugal pump.
An electrical operated submerged centrifugal pump.
You are proceeding along a coastal route when you hear this signal. The visibility is severely restricted. What does the signal mean?
There is a vessel at anchor in the vicinity. She is more than 100 metres in length. She is sounding an additional warning signal to approaching vessels, directing them to "keep clear".
There is a vessel at anchor in the vicinity. She is less than 100 metres in length. She is sounding an additional warning to approaching vessels that they are "running into danger".
There is a vessel aground in the vicinity. She is more than 100 metres in length. She is sounding an additional warning to approaching vessels that they are "running into danger".
There is a vessel aground in the vicinity. She is less than 100 metres in length. She is sounding an additional warning to approaching vessels to "navigate with extreme caution".
What would happen if a ship’s frames became partly detached from the side shell plating?
The shell plating would buckle
The adjacent frames would buckle
Topside and hopper tanks would become deformed
There would be additional loads on the adjacent frames leading to possible shell plating failure
The temperature of chilled air is monitored after it has passed through a refrigerated cargo and the temperature noted. This temperature is often referred to as the RAT. Which of the given options does RAT stand for in relation to refrigeration of a cargo?
Return Air Temperature.
Respirated Air Temperature.
Relative Air Temperature.
Reduced Air Temperature.
For which emergency resource is it difficult to plan the best use?
passengers
company personnel
crew
emergency equipment
What is the definition of "dew point" of a vapour mixture?
The dew point is the temperature at which the vapour begins to condense as the temperature increases.
The dew point is the temperature at which the vapour begins to condense as the temperature decreases.
The dew point is the temperature at which the liquid begins to condense as the temperature decreases.
The dew point is the temperature at which the vapour begins to evaporate as the temperature decreases.
What could result from an experienced bulk carrier master loading containers that shifted en route?
Cargo interests could refuse to accept the cargo
The ship could be deemed uncargoworthy at the commencement of the voyage
The ship could be arrested by cargo interests
The vessel could be deemed unseaworthy due to the master’s inexperience with carrying containers
What is the requirement to number of inert gas blower(s)?
At least 2 blowers.
Sufficient to obtain minimum 500 mm water column during discharging.
The are no requirement to number of blowers.
1blower.
On oil tankers, what is generally used to control the safety of the atmosphere in the cargo tanks?
Inert Gas
Water
Nitrogen
Hydrogen Sulphide
How is the condenser cooling water flow regulating valve automatically controlled in a vapour compression refrigeration system?
By the compressor discharge pressure.
By the quantity of refrigerant in the system.
By the temperature of the refrigerant after the evaporator.
By the temperature in the refrigerated room.
A General Cargo vessel develops an angle of loll while loading a heavy item of deck cargo alongside; what is the action to be taken ?
Stop cargo, increase FSE in tanks, lower weights within vessel and fill small ballast tank on high side of vessel
Stop cargo, reduce FSE in tanks, lower weights within vessel and fill small ballast tank on high side of vessel
Stop cargo, increase FSE in tanks, lower weights within vessel and empty small ballast tank on low side of vessel
Stop cargo, reduce FSE in tanks, lower weights within vessel and fill small ballast tank on low side of vessel
What must be ensured prior to loading heavy lift cargoes on a General Cargo Vessel?
That all double-bottom tanks are empty
That the vessel is listed to the side to which the load is to be lifted
That the vessel has a small metacentric height( GM)
That there are minimum free surface moments in tanks
You are alongisde, port side to, about to commence loading several grades of chemicals. The Duty Officer instructs you over the walkie-talkie to proceed to the port manifold and open the valve to 4 port line. When you get there, there is no hose connected to that line. What will you do?
Take a look at the starboard manifold. There is a hose loop between 4 port and 4 starboard lines. Assume the Duty officer must have meant this side and open 4 port line on this manifold.
Open the valve to 4 port line as instructed.
Although there is no hose connected to 4 port line, there is one connected to 3 port line. Assume the Duty Officer must have meant this line and open this valve instead.
Report the situation back to the Duty Officer. Request clarification and confirmation of the instruction.
Furniture in stairways and corridors shall be kept to a minimum on board passenger ships, why?
Escape routes must be clear of obstructions and also due to fire protection
It is not allowed to sit in stairways and corridors
Due to fire protection
Passengers will most probably sleep in stairways and corridors if they are furnished
Passenger ships have a normal requirement of 1 lifejacket per person + 10% for children. In addition to this, how many lifejackets have to be stowed in conspicuous places on deck or at the muster stations?
50% extra
10% extra
25% extra
5% extra
The upper airway consists of:
Mouth, throat and lungs
Mouth, nose and throat
Mouth, nose and lungs
Mouth, throat and trachea
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?
Slightly superheated low pressure gas.
Liquid at high pressure.
Sub-cooled liquid at low pressure.
Wet vapour at high pressure.
A fully refrigerated liquified gas carrier, equipped with membrane tank with MARVS less than 0.7 bar and cargo temperature of less than -10 C. What type of barrier is required?
Complete secondary barrier.
No secondary barrier required.
Partial secondary barrier.
No barrier required.
All heat burns should be
Covered with Gauze or bandage immediately
Applied with soothing lotion as soon as possible
Treated by the doctor only
Cooled as quickly as possible with running cold water for at least 10 minutes
What must be done before dock workers and stevedores are allowed on board a General Cargo vessel?
Number of persons on board noted
Security checks are the responsibility of stevedores
Identification and passes must checked and number of persons on board recorded
Only no smoking rule to be enforced
A refractory material is one that will retain its solid state even at very high temperatures, and furnace temperatures as high as 1650 °C have been recorded in marine boilers. What is the primary purpose of using a refractory?
They act as a heat sink, and ensure more even distribution of heat throughout the furnace.
All of the mentioned alternatives.
They are used to protect exposed parts of drum, which otherwise could become overheated.
To protect the furnace casing from overheating, burning and possible escape of gases into boiler room.
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
The coil of a 12V, 120mA dc relay must be connected across a 24V supply. What action should be taken?
Install a 100 ohm resistor in series with the coil
Install a 100 k ohm resistor in parallel with the coil
Install a 100 k ohm resistor in series with the coil
Install a 100 ohm resistor in parallel with the coil
What is the first action that should be taken by the rating on boiler watch in the event of a flame failure on the boiler?
Notify the bridge
Stop the feed water pump
Call the engineer on watch
Call the chief engineer
The specified maximum working pressure of a cargo hose in service on a chemical tanker should be at least which of the following?
1/3 design burst pressure.
10 bar gauge.
12 bar gauge.
5 bar gauge.
What is the purpose of a draught survey on a bulk carrier?
To calculate the vessels lightship displacement
To calculate the vessels constant
To calculate shear forces at the bulkheads
To calculate the quantity of bulk cargo loaded or discharged
When cleaning boiler burner nozzles that have just been in service the watch rating notices that the nozzle holes are partially blocked. Which of the methods given in the options is the preferred method to use in order to avoid damaging the nozzle holes?
Poke the holes clear with a welding rod which has been ground down to size.
Knock the nozzle repeatedly on the work bench to try and dislodge the blockage.
Use a standard drill bit in a hand drill to clear the blockage.
Use cleaning wires starting with a small gauge and gradually work up to the full size of the nozzle hole.
Why should you wear your catering uniform and not your ordinary clothes in the galley?
Catering clothing will absorb body odour more effectively than other clothing.
If you do wear your ordinary clothes in the galley, food odours will be transferred to your cabin and germs may be transferred into the galley from less hygenic areas.
If you do wear your ordinary clothing in the galley, it will be difficult for visitors or new crewmembers to identify the cook.
Clothing worn in the galley cannot be washed with any other clothing.
What publication must be carried on a vessel carrying dry bulk cargoes?
Charters' Solid Bulk Cargoes Code?
IMO Solid Bulk cargo Code or IMO Solid Bulk?
International Tankers and Terminal Code?
Classification Society Grain Rules?
What ingredient, made from durum wheat, is commonly used as an alternative to rice with north-African dishes?
Bulgar wheat.
Couscous.
Soya.
Semolina.
What is important to wear for all officers and crew when working on the ro-ro deck during loading and discharging?
Rain coat
Gloves
Goggles and safety shoes
Fluorescent vest/ working clothes
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.
What is a Jensen Sling used for?
Loading and discharging bales
Loading and discharging steel pipes
Loading and discharging paper reels
Loading and discharging packaged timber
U-tube manometers are often used to measure differential pressure. Which of the listed pressures is U-tube manometers mostly used for?
High differential pressures
Low differential pressures
Absolute zero pressure
Cargo pressure
Which of the following is considered to be the most efficient method of testing the weather tightness of hatch covers during a pre-loading survey of a General Cargo Vessel?
Hose test
Visual inspection
Ultra sonic test
Chalk test
When loading a static accumulator oil, which of the following is a standard precaution applied to eliminate the risk of explosion through electrostatic charge in the tank?
No metallic sampling devices over 2 litres capacity should be permitted on the cargo deck at any time, unless thoroughly cleaned beforehand with soapy water
No metallic devices, such as those used for gauging and sampling, should be introduced into the tank during loading and for 30 minutes after completion of loading
No rubber containers over 1 litre capacity, such as those used for sampling, should be introduced into the tank between completion of loading and for 10 minutes after that time
No plastic, or plastic coated devices, such as those used for sampling or gauging, should be introduced into the tank unless bonded, at any time
Give the meaning of this symbol:
lifebuoy with light and smoke
lifebuoy with line and hand flare
lifebuoy with light and hand flare
lifebuoy with automatic sound signal
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