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Heim Online-Tests CES Chemical tanker Deck Support Test online CES 5.1 for Deck department, Support level, Chemical tanker vessel
Online-Test: Test online CES 5.1 for Deck department, Support level, Chemical tanker vessel
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While the vessel is in a Red Sea port during August loading/discharging a hydrocarbon cargo, should the air suction for the accommodation be:
Placed on full recirculation.
Recirk. full open, fresh air intake closed.
A mixture of both.
Closed down all together.
Inmarsat Telex Service code ‘33’ can be used:
when the coast-station is disfunctional
to ask for ‘maritime enquiries
Don't know
when technical problems are experienced with the Inmarsat-terminal
What corrections must be applied to the echo sounder reading to compare the depth of water with the depth printed on the chart?
The distance between the pulse Transmitter and Receiver
Shallow water effects
Draught of the ship
Allowance for the ships speed
The vessel is involved in a rescue operation for a Man Overboard and is to launch a lifeboat. What additional items would be very useful to take onboard the lifeboat to assist in the operation?
Extra Painter
Extra food
VHF or some means of communication
Blankets
How do you consider the indicated speed for berthing?
To be sufficient
Too slow
Too fast
It is up to the pilot to decide
What is the shortest distance between two points?
None of the above
Great circle
Composite great circle
Rhumb line
MF radio signals mainly propagate mainly:
through hops between ionised layers and the earth
Don't know
between the earth and satellites
along the curvature of the earth
Poster or signs shall be provided on or in the vicinity of survival craft and their launching controls. Which one of the following requirements has to be included ?
give information on survival craft capacity
give information on survival craft speed and seaworthiness
give an overview of location of all lifesaving appliances
give relevant instructions and warnings
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
Which of the following precautions should be taken when work is to be carried out on the radar scanner unit on the mast?
Only the electrical fuses for the radar undergoing repairs needs to be removed, allowing the ship to retain a workable radar
Only the electrical fuses for the scanner motor needs to be removed.
A "Not to be used" sign on all radars and fuses for the complete radar systems to be removed
A sign needs to be attached to all the radars warning the bridge officers of repairs and the fact the radars are "Not to be Used"
If you are going aloft in a bosun's chair what kind of hook would you use to hook the chair to the rope?
I would refuse going aloft
A stainless steel butcher's hook that is designed to take the load
Any old hook would do
An approved hook with a locking device
When will a hatch cover cross-joint wedge need replacement?
When the flat spring is bent
When the wedge is rusty
When the flat spring is missing
When the flat spring is rusty
Which equipment is utilised to control the liquid level in the cargo tanks?
In the cargo tanks we use deep stick to control the liquid level
In the cargo tanks we use sounding tape to control the liquid level
In the cargo tanks we use either float or radar type gauge to control the liquid level
In the cargo tanks we use float type gauge to control the liquid level
During RoRo cargo operations, what must be monitored at all times where the ramps are concerned to prevent damage to the cargo
the controls are left unsecured at all times
The angle of the loading ramp is not to steep and that the ramp has not lifted of the jetty
the ramp is correctly painted
UFL and LFL are commonly used expressions. What do they signify?
Expressions have no meaning.
Unstable Flash Level / Lower Flash Level?
Upper Fixed Level / Lower Fixed Level?
Upper Flammable Level / Lower Flammable Level of explosive atmosphere?
A slow speed diesel engine is fitted with a slow turning facility. How would the slow turning normally be set to operate?
It should be manually operated before the normal start sequence following an engine stopped period of more than 10 minutes.
It should automatically operate before the normal start sequence following an engine stopped period of more than 20 to 30 minutes when manoeuvring.
It should automatically operate before every normal start sequence.
It should automatically operate every 20 minutes when the engine is stopped during manoeuvring.
Which of the following statements is correct?
The first row of steel coils can be loaded directly onto the tank top
The first row of steel coils need not be supported by wooden wedges
The first row of steel coils must be loaded on dunnage laid athwartships
The first row of steel coils must be loaded on dunnage laid fore and aft
What would be a typical oil feed temperature for purifying heavy fuel oil in a centrifuge in order to ensure good separation?
105 - 108 Celsius.
95 - 98 Celsius.
85 - 88 Celsius
75 - 78 Celsius.
One particular group of hazardous goods is highlighted by the IMDG Code as potentially being the most dangerous for carriage. Which of the following is it?
Organic peroxides.
Liquefied gases.
Infectious substances.
Toxic substances.
After washing cargo holds why are cargo residues often found on the tank top when hatches are opened at the load port?
Because the washing of cargo holds was not thorough
Because of poor drainage into the bilges
Because of cargo residues falling down due to ship’s vibrations during the ballast passage
Due to failure of the bilge eductors
How would you pick up a knife from a bench?
I would slide it to the edge of the bench and then pick it up by the handle.
It doesn't really matter - I would pick it up just how it was left lying by the last person who used it.
By the handle, with the blade towards me.
By the handle, with the blade facing away from me.
This circuit consists of two resistances, R1 = 6 ohm and R2 = 12 ohm , connected in series. Calculate the equivalent resistance R(S) .
R(S) =18 ohm
R(S) =1,5 ohm
R(S) = 72 ohm
R(S) = 4 ohm
What is the objective of the merchant navy?
To earn money for the shipowner
To provide employment for persons who wish to become seafarers
To safely transport goods by sea
To transport and deliver goods as quickly as possible
What could be the reason if the lub oil viscosity increase?
High lub oil temperature.
The lub oil viscosity will not increase.
Water-leakage to the lub oil system.
Heavy fuel oil leakage to the lub oil system.
Two alternators operating in parallel at 75% load capacity, bu then one of them trips without any warning. What is the first action that should be taken?
Trip/stop all nonessential loads that are connected to the switchboard
Restart and connect the tripped alternator immediately
Start and connect the emergency alternator
Check the circuit breaker of the tripped alternator
Gas welding is carried out in the work shop. Prior to lunch break the following precaution is carried out:
No precautions are taken
One of the ratings is left "on watch" during the lunch break.
The main supply valves in the deck storage are closed prior to switching to UMS-mode
The local acetylene/oxygen valve in the work shop is closed prior to switching to UMS-mode
What are the responsibilities of a watch-keeping engineer?
The responsibilities of a watch-keeping engineer are to inform the Master of all events that occur duing the watch.
The responsibilities of a watch-keeping engineer are to inform the Chief Engineer of any situations that cannot be controlled during the watch
The responsibilities of a watch-keeping engineer are to by-pass, adjust and isolate all machinery under his supervision.
The responsibilities of a watch-keeping engineer are to ensure that all engine room ratings are wearing protective clothing.
How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?
None providing the ship has lifeboats
One Fast Rescue Boat
Two Fast Rescue Boats, one on each side of the ship
Two, and at least one of the rescue boats shall be a Fast Rescue Boat
What should you observe when patrolling public areas on board?
Drunk people
Stowaways
If all the fire extinguishers are in place and that fire doors are open
All abnormalities that may affect the safety/ security of passengers, crew and the ship
A bulk cargo declaration shows that the iron ore to be loaded has an angle of repose of 45 degrees; what does this indicate?
The cargo pile is stable and unlikely to shift
The cargo may self-heat
The cargo pile will be very unstable
The cargo should not be accepted to load
Occasionally the tie rods on a large slow speed diesel engine may fail in service. The mode of failure is usually a complete fracture of the tie rod due to excessive fatigue stress. Select, from the options given, the features of the surface of the fracture that would confirm a fatigue failure.
The surface of the fracture would be serrated in appearance and at right angles to the axis of the tie rod.
Part of the fracture surface would be uneven but smooth (burnished) with the remainder crystalline with part 'cup and cone' shape.
The surface of the fracture would be crystalline in appearance and at an angle of approximately 45 degree to the axis of the tie rod.
The surface at the fracture would be crystalline in appearance with a full 'cup and cone' shape.
Is smoking permitted in the galley? (Select the most correct answer)
No.
Yes, but only once food service is completed.
If the vessel is in port, it is prohibited; if the vessel is at sea, then it is permitted.
Yes, because it is not considered a public area.
Normally ventilation fans in enclosed ro-ro spaces must be run continuously whenever vehicles are on board, why?
It is better to run the fans continuously instead of testing the atmosphere
An increased number of air changes may be required when vehicles are being loaded or unloaded, or where flammable gases or liquids are stowed in closed ro-ro spaces
It is easier for the crew, they don't have to think about starting and stopping of fans
The manufacturer of the fans recommends continuous operation to reduce maintenance cost
On a Container vessel, who is responsible for the safe lashing and securing of containers?
The chief officer
The duty officer
The cargo surveyor
The master
On a Container vessel, what facilitates the lashing of containers in the fourth and fifth tiers?
Long lashing rods with extensions
The lashing bridge
Long lashing rods
Raised deck platforms
Cargo residues of certain chemical substances are permitted to be removed by ventilation. What criteria is applied in determining if a cargo can be cleaned in this way? (Always accepting that local port authorities may have over-riding regulations on ventilation).
That the cargo discharged has a vapour expansion coefficient of at least 1.025.
That the cargo discharged has a vapour pressure greater than 5 KPa at 20 degrees Celsius.
That the vessel's ventilation system is capable of delivering a minimum of 20 changes of atmosphere per hour within the compartment.
That the volume of the tank does not exceed 1750 cubic metres, that the maximum remaining residues are less than 75 litres and that ventilation is additionally possible directly down the pumpstack.
Which of the following detectors will you choose for detecting smoke from fire?
Thermocouple
Thermometer
Strain gauge
Ionization type
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
It has been shown that the controlled release of oil is effective in reducing the effects of the sea, making it possible for a rescue craft to approach survivors in the water. How many square metres does the IAMSAR Manual suggest may be calmed by releasing 200 litres of lubricating oil slowly through a rubber hose with the outlet maintained just above the surface while the ship proceeds at slow speed?
Approx 50,000 square metres.
Approx 50 square metres.
Approx 5,000 square metres.
Approx 500 square metres.
On a General Cargo ship which of the following statements is correct?
Cold rolled steel coils must never be loaded in rain
Cold rolled steel coils may be loaded in rusty condition
Cold rolled steel coils may be loaded in rain
Cold rolled steel coils are always shipped in stainless steel envelopes
What is the meaning of "stand by"?
That you shall keep on with your work.
That you are properly relieved from your duties.
That you shall stand very close to the engineer officer.
That the watch keeping personnel shall be ready for starting or manoeuvring the main engine.
Which of the following type of crude oil requires special consideration in terms of carriage and cleaning?
Medium Crude.
Paraffinic Crude.
Reconstituted Crude.
Sweet Crude.
Fully pressurised ships are fitted with type "C" tanks. What is the normal design pressure?
Design pressure of about 12 barg
Design pressure of about 2 barg
Design pressure of about 15 barg
Design pressure of about 18 barg.
How would you report a person lost overboard?
"Man overboard"
"A person has fallen overboard"
"We have lost a person overboard"
"We have lost a person overboard in position….."
The engine does not turn when starting air is supplied because of:
The engine temperature is too low.
Released blocking function in remote starting system.
Water in the starting air.
Leakage in the indicator cocks.
What do international and national maritime authorities say about passenger list?
All passengers onboard must be registered with name, age and cabin number.
No requirement to have passenger list onboard as long as shore terminal/office have one, and can send it to the ship on request.
Optional for each company if they want to have passenger and crew list.
All personnel onboard (crew and passengers) shall be registered in order to keep track of total number of person on board
What is the difference between the protection supervisor's and the protection and environment committee's area of activity?
The supervisor's duties relate to the ratings, the commitee's to all seafarers
The commitee is supervised by the protection supervisor
The supervisor's field is the work situation, the commitee's the total environment, also spare time
No difference
Why shall you never pour water into hot fat?
The fat will stiffen immediately and need reheating.
The water will explode into steam causing hot fat to be thrown far away thus possibly causing severe burns or fire.
The water will turn into steam and cause the fat to explode.
The fat will not be edible any more.
What is the recommended range for the pH-value for the water in a diesel engine cooling system engine cooling water be maintained?
Above 10
Between 5 and 7.
Between 7 and 10.
Below 5.
"Passivation" is a restorative process periodically applied to stainless steel tanks on a chemical tanker. What effect does this process have on the steel surface?
It causes a chemical reaction, which produces a new inert Chromium Oxide layer on the surface of the steel.
It restores and reforms the passive Chromium Hydroxide surface layer.
It restores the surface steel to an even and smooth finish, thereby encouraging drainage during discharge.
It restricts active corrosion on the surface steel.
On a Container vessel, what should a crew member do if a tank container on deck is found with a leaking valve?
Close the leaking valve
Wash away the leaking contents immediately
Raise an alarm
Report it immediately to the duty officer
What is the most important factor to be considered when planning the lashing system for a particular sea route?
The quantity and type of lashing materials
Transverse accelerations
The size and weight of packages/cargo units to be loaded
The breaking strength of lashing materials
A very dusty cargo is to be loaded on a bulk carrier; what precautions on deck should be included?
No access allowed onto main deck
Decks washed down regularly
All cranes, deck houses and storerooms fully closed down to prevent entry of dust
No extra precautions need to be taken
What should the duty crew member do if he observes stevedores smoking in ‘no smoking’ areas?
Immediately inform the stevedore foreman and duty officer
Wait to inform the relieving duty crew member
Inform the chief officer
Tell the stevedore to stop smoking
What is the main purpose of having a deaerator in a boiler feed water system?
To remove oxygen and other dissolved gases from the feed water.
To provide a dosage point for feed water treatment.
To reduce the total dissolved solids in the feed water.
Toact as the primary feed heater.
What is the result of a large metacentric height?
The ship will roll violently.
The ship will have a long roll period.
Bending moment will increase.
The center of gravity will move upwards.
What necessary precautions should be taken before entering a tank or an enclosed space?
Bring a flashlight and put on safety shoes
Make sure that the tank/ enclosed space is gas free, ventilated and the oxygen content is measured. O2 content shall be 21% before entering the tank/ enclosed space
Remember to have a colleague standing by to assist you if any problems
Use a breathing apparatus if the oxygen level is below 21%
What is an analogue signal?
A measure of voltage using an oscilloscope.
A stable electric signal.
A continually variable electric signal.
A measure of electric current.
What are the lists called that give the position and task during a lifeboat drill for all persons on board the ship?
The Crew List
The Duty List
The Muster List
The Drill List
Passenger ship engaged in international voyages shall carry through a muster for all passengers. At what latest time after embarkation shall the muster take place?
Before departure
No time limit
4 hours after the passengers embarked
Within 24 hours after the passengers embarked
A general cargo ship is discharging and smoke is reported coming from a hold which is not being worked at present; what action must be taken ?
Sound general alarm, call shore fire services and check number of persons on board
Enter space to access problem
Boundary cool adjacent spaces
Open hatch cover and attack with fire hoses
You are going to serve boiled potatoes with the evening meal at 18:00 hours. At what time should you have the potatoes ready?
17:30 hours
17:50 hours
17:00 hours
18:15 hours
During sea passage how would one know if gasoline vapours were escaping from vehicles/ro-ro units?
By using oxygen meters in the vehicle/ro-ro decks
By using carbon monoxide meters in the vehicle/ro-ro decks
By sense of smell
By using flammable gas detectors in the vehicle/ro-ro decks
Electric ozone generators are sometimes used to remove residual odours from refrigerated cargo spaces. Which of the options given is the additional action required to ensure the operation is successful?
The cargo space should be cooled down using the refrigeration plant.
The cargo space should be fumigated.
The fans should be run continuously in the cargo space.
The source of the odour must be located and removed.
Which of the options given is the most likely reason for a drop in pressure at the charge air manifold of a diesel engine?
Air filter to turbocharger fouled or obstructed.
Increased engine load.
Charge air cooler fouled on waterside
Air passageways or ports to the engine cylinders partly blocked due to fouling.
What must duty crew members ensure so that ro-ro units are not damaged on board?
Units must be driven at a safe speed
Units must not be driven in poor lighting conditions
Units must not be driven over ‘D’ rings
All on-board safety signs must be intact
Why must draught marks be read on both port and starboard sides of a bulk vessel when accurate draughts are required
The vessel marks may be incorrectly drawn
The vessel may appear up right but often will be found to have a slight list when port and starboard marks are compared
The vessel may be trimmed by the head
The draught reading on one side of the vessel sufficient
Eavesdropping and phone taps are examples of which threat to information security?
Terrorism
Sabotage
Subversion
Espionage
When overhauling a medium speed diesel engine cylinder cover part of the work involves inspection of the springs for the inlet and exhaust valves. Which of the options given would be the normal inspection method used?
Visual inspection and measurement of free length.
Visual inspection and measurement of spring compression under a known load.
Inspection using dye penetrant and measurement of spring compression under a known load.
Inspection with ultra sound and measurement of free length.
On a General Cargo Vessel, what must be ensured when using ship's cargo gear in hot climates?
That the cargo gear register in up to date
That stevedores handle cargo gear in the proper manner
That all cargo gear is appropriately marked
That grease from wire falls does not fall onto cargoes being loaded or discharged
What must be completed before the commencement of any transfer operation on an oil tanker?
The record of running hours of each cargo pump.
The log book entries for Immigration and Customs Clearance.
The Cargo Surveyor's time sheet.
The Safety Checklist or Declaration of Inspection.
What is the primary cause of fatigue damage to the hull girder?
Repeated plastic deformation of the hull
The number of repeated stress cycles
Resonant rolling
Panting stresses
Which kind of cargo pumps are the most commonly used in cargo systems for gas carriers?
Hydraulic driven screw pumps.
Hydraulic driven submerged pumps.
Submerged electric motor pumps.
Electric driven screw pumps.
After completion of a cleaning job on some machinery components at sea, the engine watch rating is instructed to dispose of a small amount of dirty diesel oil which is left in a bucket. How should the dirty oil be disposed of.
Put it straight into the dirty oil tank for incineration at the next opportunity.
Take it on deck and throw it overboard.
Pour it into the diesel oil storage tank through the sounding pipe.
Pour it into the engine room bilge so that it can be pumped through the oily water separator.
We say the centrifugal pump cavitates when:?
When the liquid accelerates from the suction side.
When the NPSH is variable.
A reduction of the flow.
We have negative pressure on the inlet side of the pump.
What is the SOLAS definition of deadweight?
Deadweight is the difference in tonnes between the displacement of a ship in water of specific gravity 1.025 and the load waterline corresponding to the assigned winter freeboard and the lightweight of the ship
Deadweight is the difference in tonnes between the displacement of a ship in water of specific gravity 1.000 and the load waterline corresponding to the assigned summer freeboard and the lightweight of the ship
Deadweight is the difference, in tonnes, between the displacement of a ship in water of specific gravity 1.025 and the load waterline corresponding to the assigned summer freeboard and the lightweight of the ship
Deadweight is the difference in tonnes between the displacement of a ship at its light and sea-going freeboards
A pallet of chilled cargo is made up by placing cartons on top of each other in tiers. Banding straps are then placed tightly around the cartons in way of robust, vertical cardboard corner pieces. Which of the given options is the main purpose of having these corner pieces?
The colour of the corner pieces indicates the carriage temperature of the cargo on the pallet.
The corner pieces reduce chafing against adjacent pallets.
The corner pieces add rigidity and strength to the stow of cartons on the pallet.
The length of the corner pieces acts as a guide for the height of the pallet.
A high speed diesel engine has been subject to a major overspeed incident due to governor failure. During checks for damage it is found that some of the bottom end bolts have slackened off slightly. There appears to be no other damage to any of the bearings, the running gear or to the crankshaft. From the options given select the action to be taken before bringing the engine back into service.
Renew all of the bottom end bolts.
Retighten the bottom end bolts that were slack back to the recommended torque.
Renew all of the running gear for the engine including the crankshaft and bearings.
Renew all of the bottom end bolts that were found slack.
Data loggers are a vital part of the temperature control and monitoring system on a reefer vessel. In a situation where the data logger fails several days before the end of the voyage it is still necessary to maintain control of and monitor cargo temperatures. How could an accurate, portable thermometer be used to the best effect, to achieve this, in such a situation?
Use the thermometer to maintain the delivery air settings as they were prior to the data logger breaking down.
Use the thermometer to check the pulp temperature by entering the cargo space and placing it in the centre of the stow.
Use the thermometer to check and control the delivery air temperature by inserting it in the delivery air ducting close to the evaporators.
Use the thermometer to check and control the return air temperature by holding it in the return air space on top of the cargo.
The internal e.m.f. generated in the phase windings of a lightly loaded a.c. generator is controlled by:
The prime mover speed and excitation current.
The internal volt drop and the load current.
The internal volt drop and the residual magnetism.
The prime mover and load current.
What makes a container vessel's cargo holds effective in containing under-deck fires?
Intact cell guides
A fixed fire-fighting system
Intact hatch and ventilator seals
An effective bilge pumping systems
What percentage of the baggage is required to be checked at Security Level 1?
25-50% of the baggage is required to be checked at Security Level 1.
The percentage is not specified.
100% of the baggage is required to be checked at Security Level 1.
5-15% of the baggage is required to be checked at Security Level 1.
What is the maximum quantity of cargo permitted to be carried in a single tank on a type 1 chemical tanker as per the IBC Code?
2400 cubic metres.
3000 cubic metres.
1250 cubic metres.
750 cubic metres.
What are the immediate duties of the bridge Officer of the Watch when the ship suddenly runs into a fog bank?
Commence sounding the fog signal and reduce speed to Slow Ahead
Commence sounding the fog signal and call the Master and wait for him to arrive before taking any further actions
Commence sounding the fog signal and if the radar indicates no echoes in the vicinity, proceed at the normal speed until ships are detected on the radar or until the fog lifts
Commence sounding the fog signal, engines on standby, call the Master and lookout, if not already on duty
During a walk around of a stow of refrigerated containers, one of the containers is noted to be quiet and has a red light showing on the control panel. Select, from the options given, the most likely cause of this condition.
The red light indicates that there is power to the container.
The red light indicates that an air change is in progress.
The red light indicates that there is a fault with the container's refrigeration unit.
The red light indicates that there is no power to the container.
You have just started to load Dicyclopentadiene to 5 port and starboard cargo tanks, but no cargo seems to be coming into the tanks. What will you do?
Carefully slack the bolts back on the connections, working initially on the off-shore mainifold, to determine how far the pressure extends in the ship's pipeline system, to identify which valve is giving the problem.
Stop cargo - notify the Duty Officer and / or the terminal dependng on the agreed communication procedure. Re-check the lines, valves and connections carefully, bearing in mind that there might be a build-up of pressure. Report as appropriate.
Open the main lid on the tank and use a flashlight to try and see if there is a problem with the pump or line inside.
Say nothing. Re-check all valves. Just open it, if one is found closed.
Which component does this graphical symbol illustrate?
Level switch for centre-tank
Local level controller with indicator
Low carbon incinerator
Remote level controller with indicator
How do you express the accuracy of an instrument
In % of full scale and to least significant digit
In % of gauge readings and to least significant digit
In % of deviation and to least significant digit
In % of range and to least significant digit
What kind of special safety measures are required when working on a stage aloft?
Harness with a rope secured to a safe point on the ship.
A rope around the waist, secured to the stage.
No special safety measures required.
Helmet, safety shoes and gloves.
What types of fire extinguishers shall be used in the engine room?
Any fire extinguisher with a weight of less than 100 lbs.
Fire extinguishers of the handy-size types only.
Fire extinguishers filled with fresh water only.
Fire extinguishers equipped for powder or CO2 only.
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