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Home Online tests CES Gas tanker Deck Support Test online CES 5.1 for Deck department, Support level, Gas tanker vessel
Online testing: Test online CES 5.1 for Deck department, Support level, Gas tanker vessel
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The test consists of random questions on a selected topic.
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The pressure in a flexible hose must be set up
Before it is being laid down
After it has been laid down
All answers are correct
While it is being laid down
The “squelch” adjustment on the front panel of a mariphone serves to:
adjust the transmitting power of the mariphone
Don't know
adjust the noise threshold of the mariphone receiver
limit the noise of the mariphone transmitter
By “collect call” is meant:
a call for account of the receiver
an urgent call
Don't know
a group call
You are planning the discharge of a crude oil tanker with segregated ballast tanks, SBT. Which of the cargo tanks should be crude oil washed if you are expecting heavy weather?
All the cargo tanks that were not COW'ed in the last discharge port
At least 30% of the cargo tanks
The dedicated heavy weather ballast tank
Both sloptanks, and 30% of the remaining cargo tanks
One of the following areas is NOT a Special Area as mentioned in MARPOL regulations regarding pollution by oil. Which is that area?
The Red Sea and The Gulf of Aden
The Gulf of Mexico
The Baltic Sea
The Mediterranean Sea
Which of the four figures illustrated shows the correct position line for the following situation: Latitude 50°00'N, Longitude 30°00'W, Time 1200 GMT. Course steered: 090° True, Speed: 12 knots, bearing of the sun: 200°, Intercept correction: 00°02' Towards (observed altitude - computed altitude).
Figure 2 is correct.
Figure 3 is correct.
Figure 4 is correct.
Figure 1 is correct.
What is the most favorable heading of own vessel when launching a lifeboat / MOB?
Vessel steering with sea / weather astern.
Vessel have weather / sea abeam.
Vessel laying still in the water.
Vessel steering a few degrees off weather / sea (approx 30 degree).
Which of the given options characterizes a 2-stroke diesel engine ?
A 2 stroke engine completes a full cycle every revolution.
The piston always has a short skirt.
A 2 stroke engine always has 2 or more turbochargers.
A 2 stroke engine has an air inlet valve in the cylinder cover.
What should be observed concerning a ship's watertight integrity?
That all emergency exits on ro-ro deck are locked and secured
That the ramp is stowed position
That all water tight ramps and doors are locked and secured at sea
That the bow- and stern door are closed
Why do blunt knives cause accidents?
Because they will need to be held at a more shallow angle when cutting.
Because the blunt edge will contain grease particles.
Because they require more pressure to be used and are more likely to slip.
Because the handles are more likely to be loose.
What will alarm cargo receivers to the possibility of cargo damage on a Bulk Carrier?
Commencing discharge without presentation of bills) of lading
Disallowing cargo interests on board
Commencing discharge in the absence of a cargo surveyor
The presence of hatch cover sealing tapes
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
What diminishes the proper functioning of twistlocks?
Vertical accelerations
Continued action of longitudinal forces
Heavy rolling
Continued use with over height containers
There are many applications in circuit theory where it is important to obtain the maximum possible power that a given source can deliver. This figure consists of a practical voltage source V(g) with internal resistance R(s). What resistance R(L) will maximize the power transmission from the source to R(L)?
R(L) = R(s)
R(L) = 2 R(s)
R(L) = 0.5 R(s)
R(L) = R(s) / sqrt (3)
Choose the option which most accurately completes the following statement. The expansion tank in a closed cooling water system is designed to maintain a positive head on the system and also to……
Provide an air cushion
Reduce the water temperature
Reduce the water turbulence
Allow for changes in water volume due to temperature variation (expansion)
What are the more likely causes of damage to the cargo holds internal structure on a General Cargo vessel?
Damage may be caused by fork lift truck operations and loading/discharge of heavy cargo
Water entering hold in bad weather
Leakage of small amounts of cargo from drums
Lightweight cargo being loaded on top of heavy cargo units
Where on board a RoRo ship will cargoes experience the greatest accelerations?
In the highest stowage positions to each side of the ship
At the intersection of the athwartships and vertical axes of the ship
At the intersection of the fore and aft and athwartships axes of the ship
At the intersection of the fore and aft and vertical axes of the ship
Which of the following is the definition of "Segregated Ballast Tanks", as found on oil tankers?
Cargo tanks which each have their own individual pumps, are fitted with independent piping systems and are served by unconnected ventilation arrangements
Tanks which are completely separate from cargo or fuel oil systems, being permanently allocated to the carriage of ballast and fitted with their own pumps and associated piping
Cargo tanks which may be used for ballast, where the lines are not connected to the Oil Discharge Monitoring Equipment
Cargo tanks which may be used for the carriage of ballast
The purpose of profiling is to?
Categorize people based on their nationality and ethnicity.
Make judgements about people based on heir appearance.
Identify different personality types.
Get beneath the outer shell of an individual to obtain a more complete picture.
The Company should ensure that the ship's personnel are able to communicate effectively in the execution of their duties related to the Safety Managment System. What does it really mean?
English language should be the working language on board the ship
All personnel on board shall be familiar with the Safety Management System. The individual seafarer shall know procedures specifically related to their rank and duties onboard.
The officers and crew should read the entire Safety Management System and memorize the content.
Everyone should know the name of the Designated Person in the Company
What do the letters "TPC" stand for?
Tonnes per Centimetre.
Tipping Centre.
Trim per Centimetre.
Tonnes per Centimetre Immersion.
What is the best method to use to remove heavy scale and fouling from the plates of a heat exchanger?
Use wire-brush, metal scrapers and chipping guns.
Renew the plates.
Use high-pressure cleaner with abrasive additives.
Soak the plates in a recommended cleaning solution and then use a soft brush or pressure cleaner.
What would result from contact with liquid ammonia?
Unconciousness
Loss of memory
Death
Loss of eyesight
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?
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. Advise 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.
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 determine which valve is giving the problem.
Re-check all valves. Just say nothing and open it, if one is found closed.
You are going to overhaul a centrifugal pump in accordance with the PMS. The pump is running under optimal conditions and normally operated. Which of the following parts are expected to deteriorate during normal operation and thereby be due for renewal?
The impeller and the impeller fastening nut.
Ball bearings on the pump shaft, and wear rings on pump housing or impeller.
The distance pieces.
The shaft itself .
What is the traditional seaman's saying that suggests the procedure to follow when carrying provisions around the galley and storerooms and up and down stairways?
"One hand for the ship and one for yourself".
"One hand for the Captain and one for the Cook".
"One hand for the ship and one for the stores".
"Keep your hands to yourself".
All liquefied gas carriers, including LNG carriers, must follow the requirements of the IMO IGC code. What are the main areas covered by the IGC code for gas carriers?
Gas carrier navigational and operational procedures.
Gas carrier design and equipment.
Liquefied gas handling principles for ships and terminals.
Gas carrier cargo loading and discharge procedures.
Two identical medium speed engines are connected through clutches and a reduction gearbox to a single controllable pitch propeller. It is noted during normal operation that the load sharing between the engines is uneven with one engine taking a greater proportion of the load as the total load increases even though they are equally loaded at low load. Select from the options given the most likely cause of this problem.
One of the engines is running faster than the other at high loads.
The fuel filters in the supply line for one of the engines are blocked
The governor droop settings are incorrectly set and are not matched.
The clutch on one engine is slipping.
What is the correct name of the tool in the sketch?
Padlock
Monkey wrench
Chisel
Pliers
How often shall the oxygen analyser be calibrated?
On Chief Officers order
At regular intervals
Every time the plant is shut-down
Prior to every plant start-up, following an 8 hour stop
You are on a power driven vessel underway in open water. This vessel is sighted directly ahead. The distance is closing slowly. What action will you take under the International Collision Regulations and why?
This is a vessel engaged in towing and I am seeing the stern light of the tow. The tug is not however showing any lights indicating she is restricted in her ability to manoeuvre. I will however display good seamanship and keep out of her way.
I will keep out of her way. I am the overtaking vessel and am obliged to keep clear under rule 13.
I will maintain my course and speed. The other vessel is being overtaken and is therefore obliged to keep out of the way by rule 13.
The vessel is on a steady bearing and the distance is closing. I will therefore take avoiding action, altering course to starboard and sounding one short blast under rules 14 and 16.
What percentage of the ship’s stores are required to be inspected at Security Level 3?
25-50% of the ship's stores are required to be inspected at Security Level 3.
5-20% of the ship's stores are required to be inspected at Security Level 3.
50-80% of the ship's stores are required to be inspected at Security Level 3.
100% of the ship’s stores are required to be inspected at Security Level 3.
Gas tankers are often fitted with fixed water spray system for fire protection purposes for deck areas, deck tanks, deck manifolds and pipelines. What is the minimum required flow rate of water per minute for horizontal and vertical surfaces to ensure adequate, uniform coverage of these areas?
100 litre/m2 per minute for horizontal surfaces and 50 litre/m2 per minute for vertical surfaces.
20 litre/m2 per minute for horizontal surfaces and 10 litre/m2 per minute for vertical surfaces.
10 litre/m2 per minute for horizontal surfaces and 4 litre/m2 per minute for vertical surfaces.
50 litre/m2 per minute for horizontal surfaces and 25 litre/m2 per minute for vertical surfaces.
Emergency instructions in appropriate languages shall be posted in passenger cabins. Which information shall as a minimum be included in the emergency instructions?
Name of cabin attendant
The method of donning life-jackets, escape routes and alarm signals
Where to find thermal protective aids
Escape routes and alarm signals
Which of the following statements will direct a fire-fighting team to the source of fire?
Fire in the accommodation
Fire on deck
Fire in No. 3 cargo hold, port side, forward
Fire in the engine room
What is another term for ‘Cargo Sweepings’?
Cargo hold debris
Waste
Marine Pollutants
Dry cargo residues
Which of the following would normally only be found in cargo holds which can also be used for ballast on a Bulk Carrier?
Permanently fitted dunnage
Light reflective paint coatings and fixed lighting systems
Bilges systems fitted with two way valves
Sacrificial anodes and water resistant expoxy paint coatings
When is track line search normally used?
When the position of the search object is accurate
When a vessel or aircraft has disappeared without a trace
When the position of the search object is not accurate
When a direct communication between the search object and the search facility is available
Which of the following oil products is particularly associated with the danger of contracting leukaemia through exposure to its vapours?
Benzene
Octene
Xylene
Toluene
Why does a hatch cover hydraulic system deteriorate?
Due to dust and cargo particles lodging around the piston seals
Due to hatch cover operations in high summer temperatures
Due to repeated hatch cover operations
Due to ice accretion on piston jackets
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
Where should empty and unlceaned receptacles that previously contained toxic gas be stowed?
Under deck
On deck forward of the accommodation
Anywhere on deck
On deck abaft the accommodation
How can an azimuth or bearing be indicated by signal flags?
The letter A + three numerals + the letter R or T.
The letter A + three numerals.
The letter N + three numerals.
The letter B + three numerals.
Why is it important to have an efficient fire patrol system on board passenger ships?
To ensure that an outbreak of fire may be prompltly detected
To control that passengers adhere to smoking regulations on board
To verify that the automatic fire-detection system is working properly
To show passengers in public areas we are on duty 24 hrs
On a Container vessel, what should be done if a container with a damaged corner post is being loaded?
The container should be returned to shore immediately
A cargo damage report should be made for signing by stevedores
A log entry of the container number and stowage position should be made
A note should be made and the information handed over to the relieving watch keeper
Use Kirchoff's voltage law and Ohm's law to calculate the voltage V(2) across the resistance R(2).
0,75 V
2 V
4,5 V
6 V
On a RoRo vessel, why is it necessary to maintain safety markings/luminous paint on pillars in ro-ro decks?
To comply with the company's standing instructions
Because it is a port state control requirement
To comply with the ship's Planned Maintenance Schedule
To prevent damage during cargo operations
At what calendar interval must cargo hoses in service on board be tested and certified as fit to continue in use?
Every 24 months.
Every 12 months.
They do not need to be tested and re-certified for the first three years, but must be tested and certified every 12 months after that.
Testing is not calendar based. Cargo hoses must be tested and certified every 48 operations.
Some refrigerated cargoes can be more easily damaged than others due to rough handling. From the options given, select the cargo which is most likely to be damaged due to the use of poor handling techniques.
Potatoes in paper sacks.
Frozen beef in cartons.
Chilled plums in cartons.
Chilled meat in cartons.
Some engine manufacturers recommend that washing of the compressor side is not carried out. Is this due to;
The thermal shock exhibited by the vanes.
The nozzle ring becoming corroded.
Greasy sludge from the compressor sticking between the fins in the air coolers, necessitating extra cleaning of these.
Large volumes of water being carried over into the cylinders of the engine.
Continuity testing of a delta connected three phase induction motor yields the following results; U1-V1 = 4 ohms, V1-W1 = 4 ohms, W1-U1 = 4 ohms. What is the value of continuity resistance for each winding ie. U1 - U2?
2 ohms
4 ohms
12 ohms
6 ohms
Which of the given statements is true in relation to the features and operation of a 4 stroke diesel engine ?
4 stroke engines are not required to have crankcase relief valves fitted.
The camshaft rotates with half the RPM of the crankshaft in a 4 stroke engine.
A 4 stroke engine always has scavenge ports near the bottom of the cylinder liner.
A 4 stroke engine has an ignition towards the end of every upward stroke of the piston.
Where shall you be able to activate the ship security alert system on board passenger ships?
Captain's office
Navigation bridge
From the navigation bridge and in at least one other location
Captain's- and Chief Officer's office
On a Container vessel, what is the definition of Readily Combustible Solids, under the IMDG Code?
A substance that will heat up and ignite due to the ignition of another substance
Fibres, powdered, granular, or pasty substances that are capable of self-heating
Fibres, powdered, granular, or pasty substances which are dangerous if easily ignited by brief contact with an ignition source and if the flame spreads rapidly
Any solid that is capable of self-ignition
What is the direction of wind associated with an anticyclone (area of high pressure) in the Northern Hemisphere?
Clockwise around the high pressure
Straight towards the centre of the anticyclone
Directly away from the centre of the anticyclone towards the nearest Low pressure.
Anticlockwise around the high pressure
When preparing cargo cranes for operation on a General Cargo ship using shore personnel, what are three of the most important checks to be made?
Crane wire is greased, windows clean and cab heater on
Check that cab is clean, air conditioning is on and windows clean
Limit switches are not in use, wires are clean and emergency stop is isolated
Check that winches, brakes and emergency stops are working correctly
Shortly after entering the cargo hold of a General Cargo ship to discharge logs, two dockers are seen to collapse; what is the immediate action to be taken by the OOW ?
Assume injuries are due to illness; stevedore and docker foreman to deal with situation
Enter space immediately to administer first aid
Sound general alarm, call emergency services ashore and prepare rescue team with self-contained breathing apparatus
Muster emergency rescue team and prepare to rescue casualties
Which special regulations cover transportation of grain on a Bulk Carrier?
IMO Grain Rules?
Port State Regulations?
Statutory Regulations?
Classification Society Rules?
Which type of equipment can be used to detect explosives?
CCTV
Metal detector
Particulate detector
Water cannon
What type of cargo shall always be secured?
The driver must ask the crew to secure the vehicle and its cargo
Freight vehicles carrying dangerous goods and adjacent vehicles should always be secured.
No cargo or vehicles have to be secured if the weather conditions are favourable.
Tank lorries should always be secured.
The main engine is running steady with an average exhaust gas temperature of approximately 350° C. What would be a typical alarml/slow down setting for the cylinder exhaust gas temperature deviation from the average?
+/- 80° C
+/- 10° C
+/- 50° C
+/- 30° C
Which of the following statements is incorrect with regard to preparing the cargo holds for receiving bagged cargoes?
Cargo holds should be free of infestation
Dunnage is not required
Cargo holds should be clean
Cargo holds should be free of cargo residues
Which electronic component or system of components is this graphical symbol illustrating ?
Battery charger
Auto transformer
Inverter
Low pass filter
What will happen when you start a centrifugal pump with the delivery valve closed?
The starting load on the motor will cause overload.
The pump will lose suction.
The delivery pressure will be large causing the relief valve to open.
The starting load on the motor will be minimum.
At what angle should a cargo lashing meet an eye plate?
At 90 degrees
At 30 degrees
At 60 degrees
At 45 degrees
What effect would a blocked steam connection to a boiler water level gauge glass have on the visible water level in the glass?
The level in the glass would be higher than the actual level in the boiler
There would be no or very little water shown in the glass because it would be air locked.
The level in the glass would be less than the level in the boiler due to the water in the glass evaporating into the empty steam space.
The level in the glass would be the same as the level in the boiler since the water connection is still clear.
The gyro compass can suffer from a compass error and may need to be allowed for, when steering a course in a dangerous navigational area. What is the probable cause of the error?
Compass Deviation
Variation
An uncorrected course and speed error.
Fluctuations in the electrical supply to the compass.
What action should be taken if a purifier starts to vibrate heavily during normal operations?
Leave the purifier running and check it again after its next scheduled sludge cycle.
Stop the purifier and then restart it
Change the flow rate.
Stop the purifier immediately. Check the machine for fouling or mechanical damage. Do not restart until cause is identified and fault rectified.
A conventional reefer vessel, on passage to the loading port, should pre-cool the cargo spaces intended for shipment of the refrigerated products. Select from the options given, the one which best completes the following statement. "In general, pre-cooling should commence….
…six hours before arrival at the loading port."
…at anytime prior to arrival as long as the delivery air is at the required carriage temperature."
…on arrival at the loading port to demonstrate that the fans can deliver refrigerated cold air to the cargo spaces."
…about 48 hours before arrival with the temperatures in the cargo spaces stable for the last 24 hours."
What damages a ship’s cargo holds?
Ship's vibrations
Heavy weather
Repeated stresses at a particular location
When is a visitor onboard required to present an ID?
Only on SECURITY Level 3
On SECURITY Level 2 & 3
Never
"On SECURITY Level 1, 2 & 3"
What is static amplifying
Change in input signal divided by change in output signal
Change in output signal divided by change in input signal
Corresponding change in signals
Change in input signal times change in output signal
The 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 is a "closed discharge" operation on an oil tanker?
A discharge operation which is commenced with all manifold and tank valves on the vessel initially set in the closed position
A discharge operation carried out without opening any lids or sighting ports and where gauging is performed either by a fixed system or by a portable system gaining access through a vapour-lock.
A cargo discharge which is performed to a shore tank directly adjacent to the berthed vessel and which is wholly controlled by a terminal operator
The pumping of tank washings, conducted through underwater discharge outlets only
Why is it important to recognize the language of the passengers?
Enables you to communicate with them during normal operation.
Enables you to inform all passengers about arrival time.
So that you are able to address all their needs.
Enables you to communicate with them during normal operation and in an emergency.
What is the most negative side of using a centrifugal cargo pump?
Displacing the liquid by reducing the volume inside the pump.
High purchase and installation cost.
Mechanically displaces the liquid in the pump.
The lack of self priming.
With regard to fire hose boxes and/or fire hydrants, what must be ensured upon completion of cargo loading operations on a General Cargo vessel?
Fire hydrants must be accessible at all times
Fire hose boxes must be lashed so as to prevent accidental opening
Fire hose boxes must be accessible at all times
Fire hose boxes and fire hydrants must be accessible at all times
What advantages does the radar have over the eye?
Subject to night adaptation
Simplifies the overview
Poor at assessing distance
Degradation through glare
On a Container vessel, where should containers containing infectious substances be stowed?
In a position separated by a complete compartment or hold from living quarters
On deck away from the accommodation
Under deck
On deck abaft the accommodation
Under international regulations what must be ensured when discharging a bulk cargo?
The vessel must not be excessively trimmed
The method of unloading must not damage the ship's structure
The terminal representative must remain on board at all times
The stevedoring foreman must remain on board at all times
Which of the below structures of bulk carriers are considered critical?
Forecastle deck
Upper and lower connection of main side frames
Longitudinal deck plating outside hatches
The girders
Are we allowed to load ammonia on inert gas?
We are not allowed to load ammonia on inert gas except when the inert gas is dry enough
We are not allowed to load ammonia on inert gas
We are allowed to load ammonia on inert gas if the inert gas has dew point less than 0oC
Ammonia can be loaded as long as the cargo tank is liquid free of last cargo
What is one of the main features of the cylinder lubricating oil used in large 2 stroke marine diesel engines which normally operate on heavy fuel oil?
It is a pure mineral oil without any special additives.
It is strongly alkaline.
It is strongly acidic.
It is neutral with a pH value of 7.
On a General Cargo ship all wire strops used for cargo work must be marked with what?
The diameter of the strop in millimetres (mm)
The SWL and certificate number
The name of the manufacturer
The stevedoring company
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.
A mixed cargo of hard frozen products is to be loaded in layers into one deep cargo space on a conventional reefer vessel. The products are steel drums of frozen orange juice, frozen meat in cartons and frozen beef hocks in muslin. What would be the best position for loading the drums of orange juice?
In the middle layer.
In the bottom layer.
Since all the cargo is hard frozen it doesn't matter which layer the orange juice is loaded.
In the top layer.
When a fire breaks out in the engine room, who is in charge of the fire fighting operations?
The engineer on duty
The Captain
The first person to arrive at the scene
The Chief Engineer
Which of the equipment listed is not included in the fireman's personal equipment? (SOLAS II-2/17.1.1)
An axe
Leather safety boots and gloves
Protective clothing
An electric safety lamp
How many hand held distress flares are carried in each lifeboat?
6
4
12
2
A pan on the galley stove containing oil catches fire, which of the following should NOT be used on this type of fire?
Cover pan with lid and switch of heat source.
Raise the alarm, close galley door and wait for the fire teams to arrive.
Cover pan with fire blanket and switch of heat source.
Use water extinguisher to put out the fire.
This online test consists of 90 random questions from CES 5.1 tests on a topic of your choice.