%20scale(3)'%3E%3Cpath%20id='s'%20d='M0,-30%2017.63355,24.27051%20-28.53171,-9.27051H28.53171L-17.63355,24.27051z'%20fill='%23FF0'/%3E%3C/g%3E%3Cuse%20xlink:href='%23s'%20transform='translate(300,60)%20rotate(23.036243)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(360,120)%20rotate(45.869898)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(360,210)%20rotate(69.945396)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(300,270)%20rotate(20.659808)'/%3E%3C/svg%3E "中文 (中国)"){kind=small}
Search for current vacancies:
Show filters
Search resumes for seafarers:common basemy base
Home Online tests CES Chemical tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Chemical tanker vessel
Online testing: Test online CES 5.1 for MASTER / Ch-Officer, Chemical tanker vessel
Select the test mode:
Education
Online test
Description
The test consists of random questions on a selected topic.
Question 1 from 90
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 81
- 82
- 83
- 84
- 85
- 86
- 87
- 88
- 89
- 90
Among working conditions listed below which one is required for every propulsion engine of lifeboats?
For a period of at least 72 hours
Any type of fuel
Not less than 5 min after starting from cold with the lifeboat out of the water
Propeller permanently driven by the engine
Which one of the listed requirements regarding hand flares do not correspond to present regulations? The hand flare shall:
have a self-contained means of ignition
have a burning period of not less than 1 minute
continue burning after being immersed for 10 seconds under water
emit smoke of a highly visible colour
Sanitary-, ballast-, bilge- or general service pumps may be accepted as fire pumps provided: (SOLAS II-2/4.3.2)
They are ready for use as fire pump at any time
They can be started from a position outside the engine room
They are not normally used for pumping oil
They are fitted with automatic start connected to the fire alarm
Identify this symbol:
Bilge pump?
Emergency fire pump?
Gas detector?
Fire escape route?
On the galley stove, a pan containing oil catches fire, which of the following should NOT be used on this type of fire?
Cover the pan with a lid and switch off the heat source
Raise the alarm, close the galley doors and wait for the fire team to arrive
Cover the pan with a fire blanket and switch off the heat source
Use a water extinguisher to put out the fire
The analyses of the smoke produced by a fire, may give an interpretation of that fire. Which are the factors we should take into account?
Opacity, amount and colour
Colour only
There is no possible interpretation of a fire according to the smoke
Amount and opacity only
Select the right send and receive frequencies for sending the routine ship/ shore MF-DSC message:
Don't know
TX: 2189.5 kHzRX: 2177.0 kHz
TX: 2177.0 kHzRX: 2177.0 kHz
TX: 2187.5 kHzRX: 2187.5 kHz
The aerial of an Inmarsat-A installation is gyro-stabilised to:
Don't know
determine the right hand angle (RHA)
determine the azimuth and elevation
compensate the movements of the vessel
The accuracy of an Inmarsat-E positioning-system is:
5 miles
20 miles
200 meters
Don't know
How many digits are there on a MMSI number?
6
9
12
none of the above
By a vessel in distress a SART is used. This SART is seen on the screen of a:
3 cm radar
3 and 10 cm radar
Don't know
10 cm radar
By “collect call” is meant:
a call for account of the receiver
an urgent call
Don't know
a group call
What is one of several requirements in IBC/BCH when loading Acids ?
Connections on manifoilds and jumpers should be protected with spray shields to guard against spray.
Last cargo in the tank should not have been Caustic Soda.
Connections on manifoilds and jumpers should be equipped with manometers in order to quickly record high pressure.
Cargo manifoild and lines should be equipped with sprinkler system.
For vessels carring toxic products, how many sets of complete safety equipment should be on board ?
10 complete sets.
Sufficant, but minimum 3 complete sets.
Sufficant, but minimum 2 complete sets.
5 complete sets.
How much spare air should be on board for each breatingapparatus in excess to to Solas requirements ?
Fully charged bottles with a total free air capacity of at least 10000 liters for each breathing apparatus.
Fully charged bottles with a total free air capacity of at least 2000 liters for each breathing apparatus.
Fully charged bottles with a total free air capacity of at least 5000 liters for each breathing apparatus.
Fully charged bottles with a total free air capacity of at least 6000 liters for each breathing apparatus.
The (auto)ignition temperature is that temperature at which .
A fuel if ignited will continue to burn
A fuel begins to give off explosive vapors
A 1% mixture of the fuel with air will explode
No spark or flame is required to ignite gas or vapor
What is a "passenger" according to SOLAS regulations?
Any person paying their voyage regardless of ship type
Every person other than the Captain and the members of the crew or other persons employed or engaged onboard the ship in the business of that ship.
Any person holding a ticket and travelling with a passenger ship
Everyone who travels with a passenger ship
What does STCW deal with?
STCW deals with recommendation for training centre and schools and type of education for seafarers
STCW deals with minimum recommendation of education for seafarers and minimum standards for training centre and schools
STCW deals with training centre and schools and standards for watch keepers
STCW deals with minimum recommendation for training centre and schools
What should be observed concerning a ship's water tight integrity?
That all vessel-s water tight ramps and doors are locked and secured at sea.
All emergency exits doors locked and secured
The aft door locked
The ramp in stowed position
After the start of a man overboard manoeuvre, whom shall be informed?
Chief Officer
Electrician
Engine Room
Galley
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
The rudder is hard over when steaming at full ahead in shallow water. How much "lift force" remains when the engine is stopped?
About 10 %
About 50 %
There will be lift force remaining
About 80 %
Are there any restrictions regarding length, breadth or draft in the Panama Canal?
There are no restrictions, but a pilot is required for the whole transit.
Restrictions regarding length and breadth exists. Draft restrictions vary with seasonal changes.
Tankers and military vessels are not accepted for transit.
Transits are left to the masters discretion, but the canal authorities will assign turn number and monitor traffic.
A coast radio station for sea area A2 has at least the following frequencies at its disposal
2174 Khz
2187.5 KHz
2187.5 KHz and 2182 Khz
2187.5, 2182 and 2174.5 KHz
An area A3 is:
an area excluding sea area A1 and A2 within the radiotelephone coverage of at least one MRCC in which continuous watch on 8414,5 kHz is available
an area excluding sea areas A0, A1 and A2
an area in polar regions
an area excluding sea areas A1 and A2 within the radiotelephone coverage of at least one Inmarsat geostationary satellite in which continuous alerting is available
Which of the following is a SART transponder frequency :
121,5 MHz
VHF 70
9 GHz
2182 kHz
A lifejacket should be provided with:
on ships built after February 1992 all lifejackets should be fitted with a light
a whistle and a light
a whistle
a light
Which item among those below is included in the normal equipment of every liferaft ?
one searchlight which can work continuously for not less than 3 hours
one boat-hook
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
one whistle or equivalent
Which item among those below is included in the normal equipment of every lifeboat ?
an EPIRB
sea-charts and navigating equipment
one life-jacket for each person
a given number of buoyant oars provided with thole pins or crutches attached by lanyards
Which item among those below is included in the normal equipment of every lifeboat ?
a VHF transceiver
sea-charts and navigating equipment
one daylight signalling mirror
one immersion suit for each person
Which one of the listed requirements regarding rescue boat equipment do not correspond to present regulations? The normal equipment of every rescue boat shall include:
a first-aid outfit in a watertight case
an efficient radar reflector
immersion suits for the number of persons the boat is permitted to accommodate
two buoyant rescue quoits attached to not less than 30m of line
What is the purpose of the "Bowsing tackle" (block and tackle) supplied at each end of the lifeboat?
It enables the boat to be secured to the embarkation deck so that the wire falls can be released for changing or end for ending
It is a general purpose tackle to be used in any type of emergency
It keeps the boat alongside the embarkation deck so that the tracing pennants can be released
It is designed to pull the boat alongside the embarkation deck after the tracing pennants have been released
How often should each lifeboat be lowered into the water and manoeuvred with its operating crew aboard under SOLAS regulations?
Monthly
At least every three months
At least every six months
Once a year
How much water would you allow per person as officer in charge of the lifeboat, following an abandon ship operation?
1litre immediately, followed by ? litre, if possible, per day (more in the tropics)
Nothing for the first 48 hours, then 1/4 litre, if possible, per day (more in the tropics)
Nothing for the first 24 hours, then 1 litre or more if possible per day (more in the tropics)
Nothing for the first 24 hours, then ? litre or more, if possible, per day (more in the tropics)
*Each person the liferaft is permitted to accommodate for is provided with a quantity of water of:
2,5 l
15 l
1,5 l
5 l
What is the meaning of this symbol ?
Embarkation ladder
Evacuation slide
Davit-launched liferaft
Lower lifeboat to water
What is the meaning of this symbol ?
Lifeboat
Liferaft
Davit-launched liferaft
Rescue boat
*On ships fitted with davit launched liferafts, how often should onboard training take place, including, when applicable, the inflation and lowering of a liferaft?
Every four months
Every year
Every month
Every three months
What determines how containers should be lashed?
Advice from shore planners
OSHA regulations
SOLAS 74/88
The cargo securing manual
One water fog applicator is required for each pair of breathing apparatus on board which type of ship?
Passenger ships fitted with car decks
Tankers
Chemical tankers
Passenger ships carrying more than 36 passengers
What will a cadet find in the maintenance manual?
A Cadet will find a lubricating chart in the maintenance manual
A Cadet will find grease nipples in the maintenance manual
A Cadet will find machinery spare parts in the maintenance manual
A Cadet will find grease in the maintenance manual
The continuity resistance of a 100m long X 25 sq. mm cable (rated at 100A) is to be checked. Which of the following results would you anticipate?
between 0.1 and 1.0 M ohm
between 0.1micro ohm and 1.0 micro ohm
between 0.1 and 1.0 ohm
greater than 1 M ohms
Which of the statements given in the options relating to LNG carriers is true?
LNG is normally carried in fully pressurised gas carriers.
LNG is always carried at very low temperature.
The size of an LNG carrier is limited to no greater than 50,000 m3 cargo capacity.
All LNG carriers are fitted with spherical tanks.
Which of the following is part of the spill response equipment inventory?
Hand cleaner
Sorbents
The pressure washer
Chipping goggles
At what calendar interval is a "Special Survey" required?
Every 2 1/2 years.
At 20 years and every five years thereafter.
Annually.
5 years.
On a container vessel, why would it be difficult to extinguish a fire in a container containing chemicals?
Because water, if used, will always cause a chemical fire to flare up
Because containers containing chemicals are always inaccessible
Because heat is often produced due to chemical reactions within the cargo
Because chemical fires always spread instantaneously to other containers
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.
Can containers carried on multi-purpose or general cargo ships be lashed with lashing wires and chains?
Yes, if provided for in the vessel’s Cargo Securing Manual (CSM)
Yes, always
No
Yes, together with dedicated container lashing equipment
A sudden or gradual increase of the chloride content in the freshwater cooling indicates:
Leakages from seawater coolers
Leakages from oil coolers
Exhaust leakage
Low concentration of corrosion inhibitors
Great care must be taken when manually parralling two or more alternators. At which point would you engage the main circuit breaker of the incoming alternator when paralleling two alternators?
With the pointer of the synchroscope stopped at 0 (12 O'clock) or both synchronising lights bright
With the pointer of the synchronizer stopped at any position and both synchronizing lamps bright (on)
With the pointer of the synchronoscope rotating fast and both synchronizing lamps flashing on and off
With the pointer of the synchronoscope moving slowly clockwise and almost at 0° (12 O'clock) or both synchronizing lamps dark (off)
When an air compressor is going to be started it is important that the compressor is started with the "blow off" valves open. Why?
To ensure that the electric motor will not have a too low torque during start.
To ensure that we do not have any water assembly in the cylinders when the compressor start.
To be sure that all pressure valves in the HP line to the starting bottle are open.
To ensure that the compressor does not have any back pressure due to a leak suction valve in stage one.
Where and for what are rubber mats used on board a pure car carrier?
Under the loading ramp flap to prevent jetty damage
On the loading ramp to prevent damaging the ramp surface
Under the loading ramp flap to prevent vehicle damage
A spare cylinder head for the generator needs to be lifted from its storage cradle to the generator flat. Because of its location the engine room crane cannot be positioned directly above it. What method should be used to bring the cylinder head into position?
Attach the crane hook to the lifting gear for the cylinder head and drag it across the deck until it is directly under the crane.
Use crow bars to lever the cylinder cover across the deck until it is in position below the crane.
Use a block and tackle to drag the head across to a position beneath the crane.
Rig chain blocks to lift the cylinder head from its cradle and then transfer it gradually over to the crane hook by working the chain blocks.
A 6-Volt relay is to be used with a 12-Volt power supply. The relay requires a current of 0.1 Amp. What is the series resistance required.
480 ohm
120 ohm
80 ohm
60 ohm
What is the main quencher for an oil tanker?
Powder.
Foam.
Water.
Carbonic acid.
What claims could arise against the vessel at the discharge port for steel reinforcing rods loaded in open-top containers?
Container damages
Physical damages to the cargo
Cargo shortage
Cargo staining by rust, hydraulic oil or grease
How should additional lashings be applied to vehicles if they do not have sufficient lashing points?
Pass lashings over the vehicles’ axles
Pass lashings over the body of the vehicles
Secure the vehicles’ wheels
Secure the front and rear bumpers
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.
Where should containers with fishmeal cargo be carried?
On deck away from sunlight
Separated from class 4.2 containers
On deck
Under deck
What should be done if a twistlock is found cracked at the base?
Use it to lock under-deck container stows
Have it repaired on board
Use it in the lowest tier on deck
Remove it from service
Which statement is correct for a fire door class "A-60"?
Class "A-60" fire doors shall prevent the passage of smoke and flame and the average temperature of the unexposed side shall not rise more than 180 degrees Celsius within 60 minutes
Class "A-60" fire doors shall be capable of preventing the passage of flame for minimum 60 minutes
Class "A-60" fire doors must be closed within 60 seconds
It is a requirement to keep class "A-60" fire doors closed for minimum 60 minutes
Inert gas drawn from an in-line unit in the main or auxiliary boiler exhaust cannot normally be used in a chemical tanker carrying high-spec products. Why is this?
Because MARPOL severely restricts the cleaning to sea of tanks that have been inerted in this way, unless additional prewashing has first been carried out. This results in the generation of slops which reduce cargo carrying capacity and incurs disposal costs.
Because the gas drawn from such a source cannot be guaranteed to be below the Lower Explosive Limit.
Because the levels of hydrocarbons and suspended soot particles will have a significant negative impact on cargo quality and tank cleanliness.
Because connection between boiler exhaust systems and cargo containment arrangements is forbidden under the IBC Code.
Fluid-driven eductors (as commonly found on crude oil tankers), operate on a principle known as Bernoulli's principle. What does that state?
The increase in pressure at the eductor inlet is inversely proportional to the decrease in pressure as measured at the discharge orifice.
The volume of a fluid increases as the pressure in it decreases.
The discharge rate is inversely proportional to the pressure applied in the drive inlet.
The speed of a moving fluid increases as the pressure in the fluid decreases.
How many crews are required to be trained and regularly drilled in all aspects of fast rescue boats in various conditions, including righting after capsizing?
At least 3
5
6
At least 2
On a Container vessel, where do OSHA regulations apply?
European Union
Australia
United States of America
United Arab Emirates
When would you not expect large roll amplitudes on a Panamax container ship?
When the ship is experiencing near head seas.
When the ship is experiencing seas 45? on the bow.
When the ship is running before the seas
When the ship is experiencing beam seas
What are the operational requirements for a fast rescue boat?
It shall be transferable on each side of the vessel
There is no requirement for a launching appliance
It shall be served by a launching appliance to launch and retrieve the boat in still conditions
It shall be served by a suitable launching appliance to launch and retrieve the boat even under severe adverse weather conditions
What should be done with the data logger printouts after completing the discharge of a refrigerated cargo?
They should be retained onboard for a minimum of 2 years.
They should be handed over to the cargo receiver.
They should be retained onboard indefinitely.
They can be discarded once the discharge is completed.
What distinguishes vapour connections (headers) from liquid cargo connections on a ship's manifold?
Liquid and cargo connections actually appear the same, but the ship's personnel always attach a small board to the applicable flange, identifying the cargo to be loaded and indicating whether it is for the liquid or vapour hose.
Vapour connections are painted yellow with green end bands, are marked with the words "not for liquid" and have a small hole capable of receiving a stud on the flange face at the six o'clock position.
Liquid connections are always marked with the corresponding tank number, while vapour connections are marked with the letter "V".
Vapour connections are painted yellow with red end bands, are marked with the word "vapour" (or "vapor") and have a small stud located on the flange face at the twelve o'clock position.
You are alongside in New York in winter-time. You commence discharge of a cargo of Caustic Soda. The ship's pumps are functioning correctly and the required valves are all confirmed as open, but no product is received on shore. Which of the following is the most likely cause of the problem?
There is frozen product somewhere in the lines.
The ship's pumps sound like they are working, but they are probably faulty.
The discharge hose has been connected to the wrong line.
The tank ullaging system on shore is defective.
What is most important when using expanded square search?
Accurate navigation
Fixed rate of turn
Fixed turn radius
Constant speed
In describing oil cargoes, what is "sour crude"?
A crude oil from West Africa
A petroleum product which reacts with water during tank-washing, leading to a distinctive odour about the tank deck
A crude oil cargo which has left substantial residues in the bottom of the tank after discharge
A term used to describe crude oil or products containing appreciable amounts of hydrogen sulphide and / or mercaptans
When people jump into the water from a ship, what should they do?
Keep their arms down at their sides.
Grab the lifejacket near the shoulder.
Take off their lifejackets.
Take off their shoes.
What is the purpose of an evacuation analysis?
To provide port state control inspectors with reports
To provide the passengers with written results of the analysis
To identify and eliminate, as far as practicable, congestion which may develop during an abandonment
To ensure the ship can be evacuated in less than 30 minutes
Why is it important to remove all traces of salt after washing the cargo holds of a bulk carrier?
Because salt will contaminate the next bulk cargo
If not done, surveyors at the load port will be unable to properly inspect the cargo holds
Because salt encourages the corrosion of steelwork
To prepare the steelwork for painting during the ballast passage
On a Container vessel, during rolling which of the following bears the initial stresses?
Twistlocks
Container corner posts
Lashing rods
Container corner castings
Due to what could a bulk carrier fail a cargo hold inspection?
Loose rust around the cargo hold
Rusty tank top plating
Hardened rust spots on shell plating
Rust stained hopper tank plating
Which of the following is a warning sign of a faulty hydraulic hatch cover system?
Dry greasing points
The presence of dust and cargo particles around the piston gland
A fall in the hydraulic header tank level
Noisy hatch cover operations
On a container vessel what action should be taken if a tank container of liquid ammonia is engulfed in fire
Dry chemical must not be used to extinguish the fire
Restrict ventilation
Allow ventilation
Water must not be used to cool the container
What can cause crewmembers to abdicate their safety roles?
Inadequate fire-fighting training
No lifeboat drills for passengers
Lack of leadership
Inadequate fire-fighting provisions
After starting a freon compressor, how long should you wait before opening the oil separator return valve?
Open the valve immediately.
One minute.
I do not know.
After the separator shell has warmed up.
What would be the correct form of response to the question: What is the visibility in your position?
The correct form of response would be: Visibility is poor
The correct form of response would be: Visibility is okay
The correct form of response would be: Visibility in my position is two hundred meters
The correct form of response would be: Visibility is medium
A general cargo ship is being loaded in Singapore for Hong Kong; which is the preferred order of loading for the following cargo types in the same hold?
Top stow: Steel slabs, Middle stow: Pallets Machinery parts, Bottom stow: CKD's (packaged cars)
Top stow: CKD's (packaged cars), Middle stow: Steel slabs, Bottom stow: Machinery parts
Top stow: CKD's (packaged cars), Middle stow: Pallets Machinery parts, Bottom stow: Steel slabs
Top stow: Pallets Machinery parts, Middle stow: CKD's (packaged cars), Bottom stow: Steel slabs
Where would you normally expect to find the air vent cock on a steam boiler?
At the feed water inlet pipe connection.
At the highest point of the steam drum.
At the superheater outlet
On the highest point of the steam range.
How is the bilge pump protected from cargo debris being sucked in from the bilges?
Filter in the bilge suction pipeline
Non-return valve
Keeping the bilge space clean at all times
Strum box
Which of these can be loaded in the same hold of a General Cargo Vessel, as steel coils?
Hygroscopic cargoes
Chemicals
Fertilizers
Steel rebars
According to the IMO Gas Codes, what are the maximum time intervals for sampling and analysing samples from the permanent installed gas detection system?
10 minutes.
45 minutes.
30 minutes.
20 minutes.
What is the required number of temperature indicating devices in cargo tanks?
One device in each tank.
At least two devices in each tank.
There is no requirement to number of devices.
At least three devices in each tank. One placed at the bottom of the tank, one in the middle of the tank and one near the top of the tank.
The oils used for medium and high speed diesel engine lubrication usually have alkaline additives which give the oil a Total Base Number of about 30 to 40 mg KOH/g. Why is it necessary to have such a TBN for these oils?
To counteract the effects of fuel leaking into the crankcase.
To allow operation of the engine on a variety of fuel types.
To increase the load carrying capacity of the oil.
To neutralise the acids formed during combustion.
What action should you take if you have a flash-back during gas welding?
Run for your life.
Close the regulator valves immediately, oxygen first.
Cool the bottles down with water.
Use a portable fire extinguisher.
This online test consists of 90 random questions from CES 5.1 tests on a topic of your choice.