Тест складається із випадкових питань з обраної теми.
Give the meaning of the following symbol
Survival craft distress pyrotechnic signals
What is the general requirement for closing mechanisms for in- and outlets of all ventilation systems (ships other than passenger ships carrying more than 36 passengers)? (SOLAS II-2/16.9)
To be remotely controlled from central fire control panel
Automatic closure for each section to be activated by the fire detection and alarm system
Only manually closing mechanism allowed
Closing must be possible from outside the spaces being ventilated
In case of a fire inside the Acetylene-line in the ac/ox gas welding equipment, what action is deemed necessary?
Close valves on Acetylene bottle(s).
Close Acetylene valve in the workshop.
Close the valves on both the Acetylene and the Oxygen bottles.
*Which of the following actions will be the most effective means for preventing fire in a cabin?
Provide clear warning that persons must not smoke in bed
Request people to refrain from smoking
Install fire detecting devices
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
Where may as a general rule pressure containers for gas fire-extinguishing medium be kept? (SOLAS II-2/5.1.10)
In the space which is to be protected
Outside the space which is to be protected
What is the minimum number of independently driven fire pumps that must be provided on cargo ships of 1000 GRT and above?
A drip tray containing oil is on fire. The only fire fighting equipment available is water hose with spray jet/spray nozzle. How, if at all, should you attempt to put out this fire using water?
The water can be applied in a fine spray starting from the front in a sweeping motion.
Water should be applied to the oil in a single jet only.
Water should not be used on any type of oil fire.
Water should be applied in a jet to the back of the fire.
What are the criteria that it must be automatic fire detection onboard a ship with heat/ smoke detectors and audio alarm?
All ships that is covered by the IMO safety conventions
All ships that are built after 1986
It is the owners option to have fire detection onboard
All ships that are built on or after 1986 in accordance with local rule and regulations
Which element must be removed to extinguish a fire?
Either of the mentioned elements
A Cargo Ship Construction Certificate will be issued for :
A period not exceeding 12 months
A period not exceeding 48 months
A period not exceeding 6 months
A period not exceeding 24 months
What does the term DISCHARGE mean, as used in the Oil Pollution Regulations?
All the other alternatives
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
Your ship is equipped with a single, right-handed fixed screw. Steaming full ahead you reverse the engine to stop the ship. How will the ship react? No wind or current.
She will most likely sheer to port and stop rather quickly
She will most likely continue on a straight course
She will most likely sheer to starboard and gradually lose headway
She will stop on 1.5 times the ship's length
You are approaching shallow water with an Under Keel Clearance of 15%. What speed should you have when entering, and when should you slow down?
About 6-7 knots, slow down 30 minutes before entering
Reduce to slow or less in due time before entering
About 10 knots, slow down 15 minutes before entering
Maintain normal sea-speed, no need to slow down
Give the meaning of the following symbol:
muster station for lifeboat
muster station for rescue boat
The breaking strength of the painter in a liferaft permitted to accommodate 15 persons is at least:
A ship in distress should transmit the appropriate alarm signal followed by the distress call and message on one or all of the international distress frequencies. Which of frequencies is in accordance with the present recommendations?
550 kHz, 2182 kHz and 121.5 MHz
500 kHz, 2182 kHz and 156.8 MHz
550 kHz, 2367 kHz and 121.5 MHz
500 kHz, 2367 kHz and 243 MHz
Having boarded the liferaft, how do you release the painter?
Cut it with the safety knife stowed on the exterior of the canopy close to the painter attachment point
Cut it with the axe provided
Wait for it to break as it is provided with a weak link
Let go the quick release toggle
*How much food per person is supplied on a lifeboat?
None -only barley sugar-sweets supplied
Give the meaning of the following symbol
Survival craft portable radio
Survival craft distress pyrotechnic signals
The Muster List shall show the duties assigned to members of the crew. Which of the following duties shall be included according to present regulations?
Preparation of immersion suits for passengers.
General preparation of life-saving appliances.
Operation of the vessel's propulsion system.
Preparation of survival crafts' Emergency Position Indicating Radio Beacons (EPIRRB).
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
Which of the following items shall be included in an "abandon ship"-drill?
Checking the lifeboat provisions and supplies
Checking the distress signal rockets and other distress signals
Checking that passengers and crew are suitably dressed and lifejackets correctly donned
Checking that all crew and passenger are present
What is meant by the atmosphere in a cargo tank being "too rich" or "too lean"?
The atmosphere will not support combustion in either situation.
The atmosphere supports combustion iif it is "too lean" but does not do so if it is "too rich".
The atmosphere supports combustion if it is "too rich" but does not do so if it is "too lean".
The atmosphere supports combustion in both situations.
What is the MARPOL definition of a "high-viscosity substance"?
A noxious liquid substance in category "Y" with a viscosity equal to or greater than 100 mPa.s at 37.8 degrees Celsius.
Any noxious liquid substance, the residues of which cannot be stripped from a cargo compartment and its associated piping and pumping system to equal to or less than 75 litres.
A noxious liquid substance of any category with a pour point of greater than 37.8 degrees Celsius.
A noxious liquid substance in category "X" or "Y" with a viscosity equal to or greater than 50 mPa.s at the unloading temperature.
What significant change to the requirements for the carriage of Vegetable Oils in tankers was introduced by the amendments to MARPOL and the IBC Code on 1st January 2007?
They must now be carried in double-hull tankers.
They must now be carried in type 2 tanks.
How often should normal testing of the cooling water be done?
In discussing the characteristics of an oil cargo, what is the "cloud point"?
The temperature at which a liquid hydrocarbon begins to congeal and take on a cloudy appearance, due to the bonding of constituent paraffin compounds.
The depth within a cargo above which no waxy solids are entrained.
The temperature at which an oil product begins to emit vapours which can be observed in a spectroscope due to the volume of solid particles extracted during evaporation.
The surface pressure at which vapours from an oil cargo overcome gravity and friction and are expelled from the containing compartment.
What English name is given to all the plates, cups, saucers, serving dishes, etc?
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.
You are approaching a port in a snowstorm. You hear this signal. What kind of vessel is it and what is it doing?
It comes from a vessel restricted in her ability to manoeuvre.
It comes from a vessel engaged in pilotage duties and it is making way through the water.
It comes from a vessel at anchor, less than 100 metres in length.
It comes from a vessel engaged in pilotage duties at anchor, over 100 metres in length.
Prior to commence loading, in what way would you best ensure a smooth technical operation?
Test/check the COW system?
Test/check the cargo pumps?
All the mentioned alternatives?
On what criteria is the Threshold Limit Value (TWA) based?
The maximum concentration of a vapour to which a worker may be repeatedly exposed for a maximum of 12 hours per day, 5 days per week without serious health effects.
The concentration of a vapour expressed as a percentage of the oxygen content of an environment in which a fit human-being can work continuously for a period of 8 hours.
The time-weighted concentration of a substance to which a worker may be repeatedly exposed for a normal 8 hour working day and 40 hour week without adverse health effects.
The maximum concentration of harmful vapour to which a worker may be exposed for a period of 15 minutes up to 4 times within any 24 hour period without adverse respiratory effects.
If the general alarm is sounding and evacuation of the ship is required. What is the best way to ensure that all passengers are aware of the situation?
Use Public Address system to inform the passengers. Inform all passengers to report to designated area for head count.
Crew with designated emergency duties should proceed to the muster station to count all passengers in his section. If somebody is missing, report to their superior.
Inform the passengers through Public Address system. Crew with designated emergency duties should proceed to their cabin section and search all cabins. Guide and evacuate passengers. If the area is inaccessible report to their superior or the bridge.
Alarm signal and Public Address system will be effectively, including head count at muster point.
Vegetable and animal oils undergo decomposition over time, generating obnoxious and toxic vapours and depleting the oxygen in the tank. What name is given to this process?
What cooling medium is normally used to cool the condenser of a fresh water generator?
The position of the ship is found by taking a series of bearings using a magnetic compass. How should an error of 5 degrees WEST be applied to the compass bearings?
The same error applies to all bearings and therefore it can be ignored
Add the 5 degrees to the bearings
Subtract 5 degrees to the bearings
The error should be "High" or "Low" and therefore more information is required.
This circuit consists of a voltage source V, a change-over switch S, a resistor R and an inductor L. The voltage/time figures 1 to 4 show possible changes in the voltage V(L) in case the switch S is suddenly shifted from position 1 to 2 at time t = 0. Only one of the diagrams is correct. Which?
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 5,000 square metres.
Approx 500 square metres.
Prior to its partial removal in a water scrubber, what is the approximate Sulphur Dioxide content of flue gas produced by the combustion of fuel oil?
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.
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 is a deck lift vehicle?
This is another term for a portable vehicle deck
A portable deck used to raise or lower vehicles
A vehicle used to raise or lower portable decks
A vehicle used to raise or lower decks on which vehicles are stowed
How can water hammer be avoided when operating the valves and pumps in a cooling water system?
Start the pump with open valves
Start pump with closed valves
Which information should be included in your search plan?
Personnel to be involved in the search.
Areas to the searched and personnel to be involved in the search.
Known hiding spots to be searched.
What are the limitations of Cargo Securing Manuals?
They are developed whilst ships are still under construction and may therefore be unsuitable under certain operational conditions
They are not always approved by a classification society
Some Cargo Securing Manuals cover a full range of sister ships
Cargo securing arrangements in the manuals may be unsuitable for heavy weather conditions
A positive displacement, rotary type, volumetric flow meter reads low with an error reading of 1% when used to measure flow of heavy oil and 2.5% when used to measure the flow of diesel oil. From the options given select the most likely cause of this difference in error?
The lower mass of diesel oil results in a lower reading.
The higher viscosity of the heavy oil is slowing down the rotary element in the meter.
The low lubricity of the diesel oil is increasing the friction in the rotating element and slowing the rotor down.
The meter is worn internally.
Which statement is true?
Normal temperature of the lub oil after the cooler is approx. 45 C.
When the ME is running, the Fresh Water enters the engine at the top and leaves the engine at the bottom
Normal temperature of the oil after the cooler is approx. 65 C.
Minimum scavening air temperature is 60 C to avoid dewing in the scavening air cooler
Which of these steps (in shut-down procedure) shall be executed last?
Shut down of inert gas blower
Close the gas pressure control valve
Close the flue gas uptake
Open ventilation valve to atmosphere
Which electronic component does this graphical symbol illustrate?
Silicon controlled rectifier
What does the abbreviation "SBT" stand for in the context of the construction and layout of an oil tanker?
Strengthened Ballast tank
On the figure there are four (4) possible definitions of the term "AFT" shown. Which one is the correct one?
Aft is defined as B on the figure
Aft is defined as D on the figure
Aft is defined as C on the figure
Aft is defined as A on the figure
What do you understand by: Rig the accommodation ladder in combination with the pilot ladder?
Rig the accommodation ladder in combination with the pilot ladder means: lower the gangway and rig the pilot ladder from the gangway
Rig the accommodation ladder in combination with the pilot ladder means: lower the accommodation ladder and rig the pilot ladder right next to it
Rig the accommodation ladder in combination with the pilot ladder means: lower the gangway
Rig the accommodation ladder in combination with the pilot ladder means: lower the gangway and rig the pilot ladder forward of the accommodation
Some perishable cargoes which are normally carried refrigerated can also be carried non-refrigerated even on a long sea passage. This requires that the commodity is suitably packed and correctly ventilated during transport. Select the option which correctly completes the following statement. "The type of cargo most suited for a sea passage under ventilation only would be…
What is the normal procedure for cooldown cargo tanks prior to loading LNG?
Pumping cold LNG through the spray header.
Pumping cold LNG to the bottom of the tank.
Pumping cold LNG through the heater.
Pumping cold LNG through liquid header.
Which of the following has highest diffusion resistance?
What name is given to the flow diagrams that appear in the Annex II Procedures and Arrangements Manual, which guide the user through the methods to be followed in cleaning a tank after containing a Noxious Liquid Substance?
Collection and Disposal Protocol.
Cleaning and Pumping Diagrams.
Cleaning and Disposal Procedures.
What does the term "ullage" refer to?
The measured depth of product in a cargo tank.
The height from the bottom of a cargo tank to the top.
The special calculations that the Chief Officer makes when he works out the ship's final draughts before sailing.
The depth of free space left in a cargo tank above the current liquid level.
Which plan shows the position of the centre of gravity of every tank aboard the ship?
By what means can we monitor and control the integrity of the hull?
Documented operating procedures
The chief officer is responsible for monitoring the integrity of the hull and superstructure at all times
Let experienced personnel close and secure doors and ramps
Automatic detection systems, television surveillance and patrolling of ro-ro cargo spaces
You are receiving stores, including some cartons of frozen seafood. You spot a watermark around a particular carton. What might this be a sign of?
That the produce has been allowed to partially thaw at some stage during trans-shipment
That the carton has been previously used to transport another product
That the fish inside the carton are oily
That the carton has been standing in the open air and mositure has been absorbed into the packaging
The water content of inert gas is important when the gas is used for cargo tank inerting and drying operations on a liquefied gas carrier. Which drier arrangement for the inert gas will result in the lowest water content and dew point of the inert gas?
An absorption drier followed by a refrigerated drier in series can reduce the dew point down to less than minus 40 degrees C.
A refrigerated drier on its own can usually reduce the dew point to less than minus 40 degrees C.
A refrigerated drier followed by an absorption drier in series can reduce the dew point to less than minus 40 degrees C.
A refrigerated drier and an absorption drier operated in parallel can reduce the dew point to less than minus 40 degrees C.
What can be the punishment for a shipmaster of a Norwegian ship if he without sufficient cause refuses to receive onboard persons for whom Norwegian authorities must provide transportation?
He shall be liable to imprisonment for a term not exceeding six months.
He shall be liable to fines or imprisonment for a term not exceeding six months.
He shall be liable to fines or imprisonment for a term not exceeding three months.
He shall be liable to fines.
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
According to ISGOTT, which of the following indicates the approximate density ratio of undiluted gas, in relation to air, from a typical crude oil?
0.8 times that of the air (assuming atmospheric pressure above 1000 mb).
1.8 times that of the air.
1.5 times that of the air.
The recommended distance between parallel tracks (track spacing) in a search for a casualty by a surface vessel varies (amongst other factors) according to visibility and the nature of the target in the IAMSAR Manual. These distances are then normally adjusted for prevailing weather conditions. If visibility was 5 nautical miles and you were looking for a six-person liferaft, what would the recommended uncorrected track spacing be?
A medium speed diesel engine is used to drive a controllable pitch propeller through a suitable clutch and reduction gearbox. What should the blade attitude normally be after the engine is started and before the clutch is engaged?
The blades should be in the full ahead position.
The blades should be in the zero pitch position.
The blades should be in the full astern position.
The blades should be in the zero thrust position.
A water heating system with automatic temperature control uses steam as the heating medium and the temperature is controlled by a pneumatically operated valve? What would be an acceptable start up procedure of the system from cold state?
Start with the control valve in manual and use the hand jack to gradually increase the temperature by throttling the steam flow before changing to pneumatic control.
Start the system up in manual mode and gradually increase the controller output signal until the temperature reaches the required value before changing over to automatic control.
Start the system up in automatic mode with normal set point but with the steam supply to the control valve manually throttled in.
Start the system up in automatic mode with normal set point so that the required temperature is achieved as quickly as possible.
LNG cargoes are carried at temperatures well below ambient conditions. Which of the statements given in the options best describes how the low temperatures which are necessary are maintained during a normal loaded voyage?
The cargo tanks are fully insulated.
Most LNG carriers are fitted with reliquefaction plants.
The cargo tank pressures are maintained below atmospheric conditions.
The cargo tanks on LNG carriers are made of very thick metal.
Some liquefied gas carriers are classed as fully refrigerated. What is the general meaning of the term 'fully refrigerated liquefied gas carrier'?
Any vessel for carrying liquefied gas at low temperature in semi pressurised independent tanks.
A vessel which is designed to carry liquefied gases at low temperature and atmospheric pressure between terminals with fully refrigerated storage tanks and a full onboard cooling plant.
Any vessel which has thermally insulated cargo tanks.
A vessel which can load a cargo of gas at ambient temperature and cool it down to a liquid state.
Which of the following could cause a blowback from a steam boiler oil fired furnace?
Trying to ignite burner from hot brickwork
Having the fuel oil temperature too high
Having the fuel oil pressure too high
Opening air registers too quickly
What is the name of this unit?
A hydrostatic release unit
An antistatic release unit
What name is given to the part of the discharging operation on an oil tanker when the last remaining contents of a tank or line are being pumped out?
The fire integrity of any bulkhead shall be maintained
At the openings and penetrations
Only at the continuous/solid part of the bulkhead
Up to 5 meters above the deck level
Earlier reefer vessels designed and built for liner trade usually had two or three tween decks approximately 2 to 2.5 metres in height and deep lower holds approximately 4 to 5 metres deep. Modern designs usually incorporate more decks each approximately 2.3 metres in height. What is the main reason for this fundamental design change?
The increased proportion of chilled as opposed to frozen cargoes that are carried.
There is an almost universal use of standard height pallets.
It is easier to construct vessels with shallow decks.
The increased number of container vessels has reduced the tendency to carry general cargo outbound from Europe or North America to Australia and New Zealand on reefer vessels.
What advantages does the radar have over the eye?
Subject to night adaptation
Poor at assessing distance
Degradation through glare
Low voltage ships tend to have insulated neutral systems. What is the reason for this?
If the neutral is not insulated then it may short to other conductors.
It is easier to detect faults
In the event of an earth fault vital equipment will not trip
It is more effective than insulating the live conductor
What does the term 'stoichiometric mixture' mean when used in relation to combustion of hydrocarbon fuels?
A ideal mixture of fuel and air in which all of the fuel in the mixture is consumed during combustion.
An ideal mixture of fuel and air in which all of the fuel in the mixture is consumed during combustion with a minimum of excess air.
An ideal mixture of fuel and air in which all of the fuel and oxygen in the mixture are consumed during combustion.
A ideal mixture of fuel and air in which all of the oxygen in the air in the mixture is consumed during combustion.
Which of the following statements is correct?
Hot rolled steel coils must not be loaded in a rusty condition
Hot rolled steel coils may be loaded in rain
Hot rolled steel coils must never be loaded in rain
Hot rolled steel coils are always shipped in stainless steel envelopes
What happens to green vegetables when exposed to the presence of ethylene gas?
They develop aslightly salty taste
They develop a deeper green colour
They become resistant to mould and may be kept for longer
What does MARPOL 73/78 require in respect of the contents of lines and pumps on an oil tanker at the completion of discharge?
That they be drained directly (and only) to shore.
That they be cleared to shore by the use of compressed air.
That agreement be reached at the pre-cargo conference as to whether the ship or shore facility are to receive the "unpumpable product remaining in lines and pumps" and the appropriate side then clear the lines to the other by any appropriate means.
That they be drained and then pumped either ashore, or to a cargo tank or slop tank on board.
What extent of hatch cover spares should be available on board at all times?
Rubber packing and hatch cleat washers for one panel section
Specimen fittings shown in the hatch cover manufacturer’s manual
Rubber packing hatch cleat washers and glue for two panel sections
Rubber packing and hatch cleat washers for two panel sections
For ideal synchronising, the phase angle difference between the incomer e.m.f. and the busbar voltage should be:
What would be the most probable cause of too high an exhaust gas temperature from one cylinder?
Air in the fuel oil system.
Turbo charger filter clogged.
Water in the fuel oil system.
Why is it so important to suck back as much freon liquid as possible from the evaporators, before You stop the compressor?
To prevent low condensing pressure during start up.
To prevent low suction pressure during start up.
To avoid liquid coming back to the compressor during start up.
An excessive pressure drop across a lube oil strainer could indicate:
That the strainer needs cleaning.
That the relief valve is stuck open.
What type of lubricating oils are generally used in auxiliary engines?
Which feedwater condition would you prefer?
Indicate the correct name for the part marked on the sketch: