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Онлайн-тестирование: Онлайн-тест CES 5.1 для 3rd-Eng/4rd-Eng
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Тест состоит из случайных вопросов по выбранной теме.
Вопрос 1 из 90
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Among working conditions listed below which one is required for every propulsion engine of lifeboats?
Propeller permanently driven by the engine
For a period of at least 72 hours
Self-starting and launch procedure simultaneous
Sufficient fuel to run at 6 knots for a period of at least 24 hours
Give the meaning of the following symbol
Rocket parachute flares
Radio signal emitting parachute flare
Survival craft distress pyrotechnic signals
Line throwing appliance
Which one of the following combustible materials involves a " class A " fire ?
Metal
Liquefied gas
Wood
Solvent
Welding and use of open flames on board tankers in operation are subject to regulation laid down by the Norwegian Maritime Directorate (Norwegian Ship Control Legislation - NSCL). Which of the listed requirements regarding washing and gas freeing before hot work in cargo tanks corresponds to these regulations? (NSCL 22/1294/6).
For ships provided with inert gas system minor welding work may be permitted.
In case of major work the fire main shall be under pressure.
The ventilation system shall have a capacity of at least two changes of air per hour for work in enclosed spaces. Suitable fire extinguishing equipment shall always be available during hot work.
During loading and discharging of liquified gases and cargo with a flashpoint below 60° C the use of open flames in machinery and boiler spaces must not take place.
*Which of the following instructions will generally be given by a port authority to allow welding or hot work in a tank having contained flammable liquids ?
When the tank has been satisfactory cleaned there shall be a 12 hour quarantine
If the mechanical ventilation is stopped, the tank shall be left within 5 minutes
All answers are good
During work in tanks, the gas concentration shall be checked every second hour
*In accommodation spaces, where must smoke detectors be located?
In stairways, corridors and escape routes
In messrooms, public lounges and other public rooms only
In every crew and passenger cabins only
Near ventilation ducts throughout the accommodation spaces only
*What is the minimum capacity of a ventilation system protecting cargo spaces, other than special category spaces, intended for carriage of motor vehicles with fuel in their thanks for their own propulsion in a ship carrying no more than 36 passengers or in a cargo ship?
2 air changes per hour
20 air changes per hour
12 air changes per hour
6 air changes per hour
*What is the list that must be overcome by a self-closing fire door on a passenger ship?
15?
22,5?
3,5?
10?
As a fire fighter, what should you always consider when fighting a fire in a confined space?
The confined space can be considered to have one side only as heat always rises
The confined space has only five sides
The confined space always has six sides
The confined space has only four sides
What rules and regulations are regulating the watch keeping routines in the engine room?
International Standard for Training and Watch keeping (STCW)
Both STCW and Class rules
SOLAS
Class Rules
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).
What is the shortest distance between two points?
None of the above
Great circle
Composite great circle
Rhumb line
Give the meaning of the following symbol:
Liferaft
Lower liferaft to water
Inflate liferaft
Davit launched liferaft
An immersion suit is constructed such that it can be unpacked and donned within:
3 min
2 min
4 min
5 min
The minimum number of lifebuoys required for a cargo ship cannot be less than:
2
10
6
8
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
*A lifebuoy must have an outer diameter of:
800 mm
600 mm
400 mm
not more than 800 mm
What is the minimum number of lifebuoys carried by a cargo vessel of more than 200 metres in length?
20
14
18
12
Which of the following fittings shall be provided to all lifeboats:
permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat
a remotely operated steering arrangement
an electric power starting system for the propulsion engine with one rechargeable energy source
a manually controlled lamp fitted on the inside
What will you bring in a lifeboat if the ship is abondoned?
As much biscuit and canned food as possible.
Warm clothes, blankets and lifevests.
All pets that will most likely not be able to enter the boat by themselves.
All valuables like money, jewelry etc.
*Give the meaning of the following symbol
Indicates manual starting direction of the engine
Start engine
Reverse engine
Start water spray
Give the meaning of the following symbol
Survival craft portable radio
Survival craft distress pyrotechnic signals
EPIRB
Radar transponder
*How often should each lifeboat be lowered into the water and manoeuvred with its operating crew aboard under SOLAS regulations?
Once a year
Monthly
At least every six months
Every three months, at least once a year
*Which of following items shall be included in an abandon ship drill?
Checking passenger's immersion suits
Checking the distress signal rockets and other distress signals
instruction in the use of radio life-saving appliances
Checking the lifeboat provisions and supplies
On a RoRo vessel, when loading Double Stacked containers on Maffi Trailers how many twist locks should have used between the 2 containers
three in total 2 at the door end 1 at the opposite end
One at each end 2 in total
One on every corner 4 in total
Some 4-stroke engines are fitted with a rotorcap on the cylinder head valves. For what reason?
Rotate the inlet valve during operation.
To prevent the valve spindel to stick..
Distribute the exhaust gas or the air inlet better to improve combustion.
Improve the scaling surface function, increase the service time of the exhaust valve in the engine.
Under U.S. Occupational Safety and Health Administration (OSHA) regulations when is a Vertical Tandem Lift possible?
When two intermodal containers one on top of the other are connected by semi-automatic twistlocks
When three intermodal containers in a stack are connected by fully-automatic twistlocks
When two intermodal containers one on top of the other are connected by fully-automatic twistlocks
When three intermodal containers in a stack are connected by semi-automatic twistlocks
Your vessel is progressing within a Traffic Separation Scheme and receives a navigational warning of another vessel progressing the wrong way within the scheme. What actions should be taken on the bridge, if any?
Use the Arpa for early identification of all other ship movements within the traffic lane and give rogue vessel a wide berth
Move out of the traffic lane towards the coast.
Slow down your vessel and proceed with caution, posting extra lookouts.
Take no actions but proceed with extra caution.
What is the main problem associated with a bulk cargo suffering moisture migration and developing a flow state
The may block up bilges
The cargo pile will remain stable
The cargo becomes semi-liquid and shifts easily causing major stability problems
The cargo may produce carbon dioxide gas
On the figure 4 possible definitions of the term "LENGHT OVERALL" are given. Which one is the correct one?
Lenght overall is given by C on the figure
Lenght overall is given by B on the figure
Lenght overall is given by A on the figure
Lenght overall is given by D on the figure
Severe piston ring and liner wear are experienced in two cylinders of a medium speed diesel engine shortly after a complete overhaul of all of the cylinders of the engine. The engine is fitted throughout with chrome plated cylinder liners. Which of the given options is the most likely cause of the excessive wear in the two cylinders?
The oil control rings have been fitted upside down in the two cylinders.
Chrome plated piston rings have been mistakenly fitted to the two cylinders.
Cast iron piston rings have been mistakenly fitted to the two cylinders.
The running in period for the engine was too short.
What are the basic cargo stowage requirements for a small consignment of household cleaning products when loaded on a General Cargo Vessel?
Stow away from any other chemicals
Stow away from foodstuffs
Stow next to bagged grains
Stow on deck only
On the bridge of a RoRo vessel, which of the following doors have no open/closed bridge indicator requirements?
Doors leading into the engine room
Hinged doors in watertight bulkheads
Shell doors and stern ramps
Sliding doors in watertight bulkheads
When discharging dirty ballast from an oil tanker at a high flow rate with main cargo pumps, the limiting factor on permitted overboard discharge is the instantaneous rate of discharge of oil. Which of the following formulae is used to calculate this rate?
Instantaneous rate of discharge (l/nm) = oil content (ppm) x flow rate (m3/h) / speed (knots) x 1,000
Instantaneous rate of discharge (l/nm) = oil content (ppm) x 1,000 / flow rate (l/h) x speed (knots)
Instantaneous rate of discharge (l/h) = oil content (ppm) x flow rate (l/h) / speed (knots) x 10,000
Instantaneous rate of discharge (ml/nm) = oil content (ml/nm) x flow rate (l/m) / speed (knots) x 100
This circuit symbol is an amplifier system and its frequency response diagram. Which control function is the system performing?
Proportional + derivate (PD)
Integral (I)
Proportional + integral (PI)
Proportional + integral + derivate (PID)
Who is responsible for maintaining the vessel's structural strenght?
The Shipyard
The Flag State Administration
The Master
The Shipping Company and the Classification Society
The stowage factor of a consignment of car parts is given by shippers as 3.00 cubic metres/metric tonne; what space will be required to load 100 tonnes of this type of cargo on a General Cargo Vessel?
3.00 cubic metres
30 tonnes
30 cubic metres
300 cubic metres
Why do rolled joints of meat carry a higher risk of bacterial infection?
Because rolled joints are normally purchased already prepared and the quality control of a shore supplier can not be guaranteed.
Because meat of a poorer quality is generally used in rolled joints.
Because any bacteria that were present on the outside surface of the meat will be transferred to the inside when the joint is rolled.
Because the temperature necessary to kill bacteria can never be reached in the middle of a rolled joint.
A deaf man is reading the paper in the lounge when the emergency alarm sounds. How do you expect him to react?
He will ask the crew for help.
He will get up and go to the muster station.
He will ask someone what is going on.
He will continue reading the paper.
What do we mean with LEL when measure the atmosphere?
LEL is low level alarm
LEL is limit for level alarm
LEL is lowest temperature for ignitionLEL is limit for level alarm
LEL is lower explosive limit
How often shall drills for the operation of watertight doors, side scuttles, valves and closing mechanism of scuppers, ash-chutes and rubbish chutes take place in passenger ships?
Every month
Weekly
Daily
Every two weeks
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.
Consider a vessel with a 6 cylinder main diesel engine operating with one cylinder out of operation. What would you expect to be the approximate maximum reduced engine load to allow safe emergency operation in this condition?
Approximately 70 % of MCR
Approximately 30% of MCR.
Approximately 90 % of MCR
Approximately 50 % of MCR
During maintenance of a pneumatically operated, diaphragm actuated control valve the diaphragm is found to be split. Select, from the options given, a suitable material to use to make a temporary replacement if there is no spare diaphragm available.
Natural rubber sheet of greater thickness and lower elasticity as the original diaphragm material.
Cotton reinforced rubber insertion sheet of smaller thickness but similar strength as the original diaphragm material.
Natural rubber sheet of approximately the same thickness and elasticity as the original diaphragm material.
Cotton reinforced rubber insertion sheet of approximately the same thickness but less elasticity than the original diaphragm material.
What is Standardized Cargo?
Break bulk cargo of standard dimension
Cargo for which the ship is provided with an approved securing system
Cargo that is shipped in standard dimensions
Cargo shipped on pallets
Cargo heaters are frequently used when discharging refrigerated LPG cargoes into pressurised shore tanks. What would be a typical "heating range" required from a heater for discharge of fully refrigerated propane?
From - 55 C to - 15 C.
From -25 C to +15 C.
From - 45 C to - 5 C.
From - 35 C to + 5 C.
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.
How can an approximate value of the initial transverse Metacentric Height (GM) be found from the Curve of Statical Stability (GZ curve)?
The value in metres from the X axis of the point where the curve changes from concave to convex shape.
Drawing a tangent to the curve through the origin and erecting a perpendicular through the angle of heel of 57.3 degrees
Drawing a tangent from the highest point of the curve to the X axis and measuring it in metres
It is impossible to establish the GM value from the curve of righting levers (GZ)
What is the requirement to number of portable gas detection apparatus?
At least two sets.
One set.
Sufficient number of apparatus.
There is no requirement to numbers of apparatus.
What is the minimum value of the GM under the international Load Line Rules?
0,25 m.
2,0 m.
1,5 m.
0,15 m.
What is the correct understanding of the term "FAIRLEAD"?
The access point where mooring lines are lead when making fast to the shore.
A fairlead is the hole through the deck where the anchor chain passes into the chain locker.
A fairlead is the direction that a mooring rope makes from the ship when made fast to the shore.
A fairlead is the hole through the ships side through which the anchor chain passes.
Searches are often triggered by:
Lost baggage.
News stories of stowaways.
The receipt of a shipment of damaged stores.
An increase in security level by the Flag State.
Which of the following is an international requirement?
Securing of cargoes must completed within two hours of leaving the berth
Securing of cargoes must be completed before a ship leaves the berth
Securing of cargoes may be completed at anchorage
Securing of cargoes must be completed before sailing
In calculating the amount of an oil cargo, if you start with the Total Observed Volume (TOV), then deduct any measurable quantities in the tanks prior to loading and the volume of any free water found, what figure are you left with?
Gross Standard Volume (GSV)
Total Calculated Volume (TCV)
Gross Observed Volume (GOV)
Net Observed Volume (NOV)
What indicates the correct weight of a wrongly declared container?
The container CSC plate
The ship’s loading computer
Strain gauges fitted to the shore gantry cranes
The tare weight stamped on the container
What is the meaning of the term "Make Fast", when mooring the ship?
Make Fast means to coil up a rope
Make Fast means to avoid eating all meals during the daylight hours.
Make Fast means to act very quickly
Make Fast means secure the ropes to the bits
What is the requirement to number of inert gas blower(s)?
At least 2 blowers.
Sufficient to obtain minimum 500 mm water column during discharging.
The are no requirement to number of blowers.
1blower.
Some cargoes carried on liquefied gas carriers are toxic and are given a Threshold Limit Value (TLV) as a time weighted average (TWA). What does the TLV-TWA usually indicate?
It indicates the maximum vapour concentration that a person can be exposed to for 8 hours per day or 40 hours per week.
It indicates the maximum vapour concentration that a person can be exposed to for one hour.
It indicates the absolute maximum vapour concentration that a person may be exposed to at any time.
It indicates the maximum vapour concentration that a person can be exposed to before breathing apparatus is required.
In a heat exchanger where seawater is used to cool fresh water, the seawater pressure should be maintained lower than the freshwater pressure to:
Minimize the load on the seawater pump
Eliminate scaling problems on seawater side
Reduce erosion
Prevent contamination if leaks are developed
The holding down arrangement for a large 2-stroke diesel engine consists of steel chocks and hydraulically tightened holding down bolts. When carrying out routine maintenance of the arrangement which method, from those given in the options, should be adopted to check that it is in good order.
Measure the length of the holding down bolts to make sure they have the correct extension for the recommended tension.
Tap the holding down bolts with a hammer to see if they 'ring'.
Tap the steel chocks with a hammer to see if they move.
Check the hydraulic release pressure for the holding down bolts.
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
When a solid cargo that presents a hazard is offered for shipment and is not listed in the International Maritime Solid Bulk Cargoes (IMSBC) Code, who will assess acceptability of the cargo for safe shipment?
Competent authorities of the Flag State
Competent authorities at the port of discharge
Competent authorities at the port of loading
All
In accordance with SOLAS and other international regulations, certain important machinery functions, such as operation and control of the steering gear and propulsion machinery, must be tested at specified times. When should these tests be carried out?
Only following maintenance.
Only at stand by engines.
Prior to arrival and departure from port and following maintenance.
Only following drydock.
How do container ships without hatch covers comply with the International Convention on Load line Rules?
An International Load Line Exemption certificate will be issued in accordance to Article 6.
A special movable deck is provided to ensure watertight integrity
There will always be hatch covers on ships to comply with the International Load line Rules
This type of container ship does not need to comply with the Load line Rules
In order to speak clearly and effectively you should:
gesture with your arms
stand tall with shoulders squared
never open your mouth too wide
open your mouth, pronounce your consonants, and shape your sounds well
When it is required that a mandatory prewash is to be witnessed, who is to make and sign the applicable entries in the Cargo Record Book?
The Master
A government-authorized surveyor.
x
Which statement about the garbage record book is true?
Each entry is to be written in the language of the ship's flag state
It is required by all ships on International voyage
Each entry is to be signed by the Master
It is used to record all operational and accidental garbage discharges
What is the meaning of the term “Span” of a transducer
The length between the connecting flanges
Type of standard output signal according to ISO
The maximum output signal when you have a minimum process value
The difference between maximum and minimum measurement that gives a standard output signal
Why should a surveyor be in attendance when discharging steel rebars from a General Cargo Vessel?
In case cargo is found damaged during cargo discharge operations
Because individual rebars will be inter-twined with those below them and will therefore be discharged in damaged condition
Because of charterers? requirements
Because it is a P. & I. Club requirement
The meaning of lapping a valve and valve seat is:
Machining the valve in a lathe machine.
Grind the valve against the valve seat to obtain a uniform sealing surface
Repair by welding
Adjust the overlapping of the inlet and exhaust valves
On a Container vessel, during rolling which of the following bears the initial stresses?
Twistlocks
Container corner posts
Lashing rods
Container corner castings
When selecting switchgear to work with High Voltage it is important to use an appropriate arcing medium. What is meant by arcing medium?
The way in which the contacts separate as the switchgear operates.
Equipment which communicates information about the arcing.
A material which assists a welding process.
The gas or vapour which will minimise creation of an electric arc as contacts open.
In an emergency, passengers are most likely to be familiar with the ship's layout and be able to find escape routes, if they are:
First-time travelers on an overnight ferry trip, and they are in their cabins at the time of the emergency
Frequent travelers on a 3-hour domestic ferry trip, and they are in the passenger lounge at the time of the emergency
On an 8-day cruise, and they are in their cabins when the emergency occurs on the sixth day of the cruise
On an 8-day cruise, and they are in their cabins when the emergency occurs on the first day of the cruise
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.
The fuel consumption for the main engine is calculated using the readings from the supply and return flow meters which are of the positive displacement type. When compared to the quantities calculated from tank soundings and calibration tables and indicated on the contents gauges the consumption appears consistently high. Which of the options given is the most likely cause of this discrepancy?
The supply flow meter is giving too high a reading due to internal wear.
The tank calibration tables are incorrect.
The tank contents gauges are calibrated for the wrong fuel type.
The return flow meter is giving a low reading due to internal wear.
What does the term "Dead Ship" mean?
"Dead Ship" means that the ship cannot make way through the water
"Dead Ship" means that the ship is aground
"Dead Ship" means that auxiliary machinery is not operational
"Dead Ship" means that the machinery and boilers are inoperational due to lack of electrical power
How should a crew member on duty prevent scratching vehicles?
By removing his safety helmet when approaching a vehicle
By maintaining a safe distance from all vehicles
By wearing gloves at all times
By not wearing or carrying any external metal accessories
The turbocharger on a diesel engine is surging and making occasional, loud "whoofing" noises. Which one of the options given is the most probable cause of this?
Engine on bridge control.
Rapid changes in engine load due to rough sea conditions.
Exhaust system recently cleaned.
Air leakage from scavenge receiver.
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
After successful synchronising the kW and kVar loading are respectively transferred by the following controls:
Current regulator and voltage regulator
Speed governor and load power factor
Voltage regulator and synchroscope
Speed governor and voltage regulator
What is the definition of sludge control?
The cargo tanks are to be washed that often so recidues do not accumulate in large quantities.
The sludge is controlled by use of special instruments.
This is done in port by a special sludge control squad.
Visual control of the sludge.
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.
Commonly used on an oil tanker, what is another name for a "Combustible Gas Indicator"?
H2S tester
Inflammeter
Explosimeter
Oxygen meter
We can observe gray/white smoke from an exhaust pipe in the funnel (from a 4 stroke engine).The possibilities are:
The engine is thermally overloaded.
The engine is burning lubrication oil.
Broken fuel injector valve.
Water leaking into the combustion chamber.
Which of the following conditions will block the starting signal for the air start system of a medium speed diesel engine which is being used for main propulsion purposes?
Low jacket cooling water temperature.
Valve rotators not operating.
Clutch engaged.
Low start air pressure alarm.
*Which of the following fittings shall be provided to all lifeboats:
an electric power starting system for the propulsion engine with one rechargeable energy source
watertight lockers or compartments
a remotely operated steering arrangement
permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat
We have a problem with vibration in the turbocharger. What might be the cause?
Worn out turbocharger bearings.
The turbine rotor is not balanced
The lubricating oil needs to be changed
Dirty air inlet filter
In a refrigeration system, the condenser cooling water regulating valve is directly controlled by the:
Temperature of the refrigerant after expansion
Compressor discharge pressure
Amount of refrigerant in the system
Temperature in the refrigerated room.
The main task of the HP valve in the HP fuel oil pump is:
to stop fuel oil from getting back from the HP fuelpipes between the pump strokes.
to stop fuel oil from getting out to the HP fuelpipes between the pumpstrokes.
to adjust the ignition timing.
to adjust the amount of fuel injected into the engine.
Which of the following factors affect the separation process
Maintenance interval, temperature, feed rate, particle distribution
Density, viscosity, flow rate, temperature, gravity disc diameter
Discharge interval, temperature, feed rate, viscosity
Gravity, particle size, viscosity, density difference
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.