%20scale(3)'%3E%3Cpath%20id='s'%20d='M0,-30%2017.63355,24.27051%20-28.53171,-9.27051H28.53171L-17.63355,24.27051z'%20fill='%23FF0'/%3E%3C/g%3E%3Cuse%20xlink:href='%23s'%20transform='translate(300,60)%20rotate(23.036243)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(360,120)%20rotate(45.869898)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(360,210)%20rotate(69.945396)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(300,270)%20rotate(20.659808)'/%3E%3C/svg%3E){kind=small}
Пошук за актуальними вакансіями:
Показати фільтри
Пошук по базі резюме моряків:
Онлайн-тестування: Test online CES 5.1 for Ch-Eng / 2nd-Eng
Онлайн-тест
Опис
Тест складається із випадкових питань з обраної теми.
Питання 1 з 90
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 81
- 82
- 83
- 84
- 85
- 86
- 87
- 88
- 89
- 90
As regards the launching and recovery arrangements for rescue boats which is required among the following?
Launching shall be possible at the ship's headway speed up to 8 knots in heavy weather
The release mechanism shall be of an automatic type approved by the flag state Administration
Rapid recovery shall be possible with the boat's full complement of persons and equipment
Embarkation and launching arrangement shall be such that the rescue boat can be boarded and launched in less than 10 minutes
*Monoammonium phosphate used as a dry powder can be effective on:
solid, liquid, gases and metals
metals
solid, liquids and gases
liquid and gases
*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
*Which of the following preventive actions are required by the International Maritime Dangerous Guide Code?
Actions relating to the classification of the dangerous goods
Actions realting to the segregation of the dangerous goods
All these actions are required
Actions relating to the packing of the dangerous goods
A vessel where the engine personnel are in charge of the whole technical installation is due for a voyage to a cold climate area. What special precautions should be implemented with regard to fire line/pumps and use of same?
Instruct the personnel in routines to prepare the fire line system, e.g. closing all branches and the consequences of not draining the system after use
Implement special routines for starting fire pumps (e.g. local start/stop operation) to prevent the pumps from being started by mistake, resulting in filling the system unnecessarily
Drain all fire lines in areas that may be exposed to freezing temperature
All the mentioned alternatives
What will be the minimum volume of halon to extinguish a fire in an enclosed room?
10% of the volume of the room
15% of the volume of the room
4.25% of the volume of the room
20% of the volume of the room
What are the main priorities of the leader of the fire fighting teams?
Rescuing of life, fighting the fire, limitation of the fire and secure the retreat
Fighting the fire, communicate with the fire brigade and arrange the lifeboats to evacuate the ship
Start the fire pump, inform other ships, call the local fire brigade, arrange transport to shore
Start the emergency fire pump, fighting the fire, call the local fire brigade, arrange transport to shore
Where do we find information regarding fire extinguishers, fire doors, remotes release buttons, fire equipment etc. onboard a ship?
The engine log book
The ship's drawings
On the bridge
The ship's fire plan.
You wish to send a message via an Inmarsat-C installation to an Inmarsat-A telex installation. The message is composed in ‘ASCII’. The message can be sent:
as a telex
can not be sent
as a fax
Don't know
The proper operation of an Inmost C-terminal can be tested by:
Doing a “link test”
Sending a message to MF DSC
Requesting a “self test”
Doing a “recommissioning test”
Watch keeping engineers shall have a minimum of knowledge of the vessel's engine room and operation of its functions prior to being accepted as Engineer on Duty, and shall acknowledge his familiarization with the equipment by signing a check list listing all units he shall be able to operate. Minimum knowledge is:
Start, operate and stop main and auxiliary machinery units, including switching between automatic, remote and/or manual control functions, and operate the various units in various modes.
Check routines during operation and prior to switching to UMS-mode
Understand the function of all main and auxiliary equipment, e.g. machinery, pumps, fuel systems, cooling systems and the interlinks between various units and the function of them.
He shall have all the knowledge as listed in the other alternatives
What is the top priority if an incident occurs in US waters (OPA-90)
Safety of ship and crew
Any immediate action to prevent loss of time
Protection of the environment
Prevention of oil pollution
What is the purpose of a Medico Message?
Giving a regular statement of the health of the vessel's crew.
Medico is the certificate which permit the Master to be doctor onboard.
Call an hospital for professional medical assistance by radio when needed.
Calling the health department in the next port of call and ask for free radio practice.
Which muscle is the most persevering one in the body?
The lever.
None of the mentioned
The lungs.
The heart.
Which PPM is allowed for discharging of "Bilge Water" overboard?
100 PPM
0PPM
50 PPM
15 PPM
In MARPOL 73/78, the term "Special Areas" is mentioned in connection with discharges from oil tankers. What do you understand by this term?
Specific geographical sea areas, designated as Marine Conservation Areas by the United Nations, in which any discharge from the cargo area of an oil tanker is strictly controlled.
All sea areas within 50 miles from the nearest land, where that coastal state is a signatory to MARPOL 73/78.
Limited ocean and sea areas, listed under the OPA-90 Act, inside which the discharge of oil is prohibited and the penalty for doing so is an umlimited fine and unlimited jail sentence.
Specific geographical sea areas, defined in MARPOL 73/78, in which special mandatory measures for the prevention os sea pollution by oil are required.
When using a buoy as an aid to navigation, which of the following should always be considered?
That if the light is showing its correct characteristic it is in its right position
The buoy may not be in its charted position
If no radio navigation warnings have been issued concerning the buoy it can be assumed to be in its correct position
The buoy is nearly always well anchored and can be considered to be in its charted position providing there has not been any recent storms in the area
Give the meaning of the following symbol
CO2 horn
CO2 battery
Portable fire extinguisher
Area protected by CO2
What is the correct understanding of the term "bank effect"? If a ship was approaching the bank at an angle, what would be the effect on the ship?
The vessel's stern is pushed away from the bank
The vessel’s bow is attracted by the bank.
The whole vessel would continue straight towards the bank and would require a large helm order to avoid going aground.
The vessel's bow is pushed away from the bank
Give the meaning of the following symbol:
immersion suit
waterproof protection
child's lifejacket
diver suit
Give the meaning of the following symbol:
survival kit
lifejacket
immersion suit
child's lifejacket
You are in an area of restricted visibility and hear this signal. It is repeated at two minute intervals. What does it indicate?
That there are two more vessels nearby.
That there is another vessel in the vicinity and that she has just altered course to port.
That there is another vessel nearby, that she is underway, but stopped and making no way through the water.
That there is another vessel nearby, but that she is at anchor.
The heat required to raise the temperature of 1 kg of any particular substance 1°C is called:
Heat transfer coefficient
Latent heat
Specific heat
Adiabatic heat
The boiler water tests show a high and increasing level of chlorides in the boiler water. What is the most likely cause of this problem?
Sea water leakage from the condenser.
Insufficient dosage of treatment chemicals.
Excess dosage of treatment chemicals.
Sea water leaking back through blowdown valves.
Which category of Grocery contains most calcium per. 100 gr. eatable commodity?
Vegetables
Fish
Milk and cheese
Meat
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
Ethylene is normally carried on fully refrigerated liquefied gas carriers at its atmospheric boiling point. What is the approximate atmospheric boiling point of ethylene?
Minus 162 degrees C
Minus 48 degrees C
Minus 104 degrees C
Minus 10 degrees C
Every person onboard ship has a responsibility for safety and security. General house-keeping rules should be followed. Which of the listed rules is the most important onboard a tanker?
Never carry lighters or matches on the tank deck.
Always wear safety shoes on deck..
Always use the handrails when going up or down ladders.
Always use gloves when operating portable grinders and chipping machines.
Which of the tools given in the options would be best suited for cutting a piece of angle iron?
Hacksaw.
Tenon saw.
Crosscut saw.
Rip saw.
Which international convention deals with maritime safety and safety equipment onboard ro-ro passenger vessels?
MARPOL
STCW
ISM
SOLAS
What is the correct definition of "gangway"?
Portable bridge between ship and shore.
A way to handle gangs.
A gangway to the waterline.
The way between two gangs.
What action should be taken by the Officer of the Watch when the GPS fails?
Stop ship until it is repaired and fully functional
Call the Master
Inform the technical officer responsible for the electronic navigational equipment and continue on passage using alternative navigational methods
No special action needs to be taken, just continue on the passage and wait for it to be fixed.
You are to supervise a hot work repair in a cargo tank on an oil tanker. You have measured the atmosphere inside the compartment as 21% oxygen content by volume and less than 1% LFL hydrocarbon vapour concentration. Does this mean the work can commence? (Select the most correct option)
No. The flammability reading should be maximum 0.5% LFL hydrocarbon vapour concentration for any hotwork to take place. .
Yes, provided that continuous readings are maintained throughout the operation and flammability readings do not exceed 2% hydrocarbon vapour content in the immediate vicinity of the hotwork site. .
Yes. The minimum safe requirements for hot work have been met.
No. Further precautions need to be taken. The area around the work site needs to be cleaned and checks need to be made on adjacent spaces. Additional precautionary measures may need to be put in place.
What are the type of signal output is derived from a NiCr/Ni thermocouple?
mA.
Ohm.
mV.
Watt
Which part of the crankshaft of a modern large two stroke diesel engine is most likely to be the origin point for crack initiation during service and therefore needs the greatest attention during maintenance inspection?
The oil holes.
The keyways.
The fillet radii.
The dowel pins and dowel holes
Before leaving the machinery spaces of a UMS vessel after routine watchkeeping rounds in the evening, the duty engineer inspects the doors to Fuel Oil Treatment rooms which are covered by a fixed fire fighting installation. For what purpose does he do this?
Remove the auto closing device so they remain in whatever position they were.
To tie them open with a rope to prevent the heat from building up inside, and making it uncomfortable to work.
To make sure that they are properly closed with the self closing device so that any fire is contained and the extinguishing medium can be released without delay.
Wedge them open with an arrangement which allows them to be closed quickly in the event of a fire.quickly.
What can be the punishment for a shipmaster who refuses to provide any person carried on the ship with anything which he is entitled to receive in such capacity, or who permits such refusal?
Shall be liable to fines or imprisonment for a term not exceeding 6 months, but not exceeding 1 year if there are especially aggravating circumstances.
Shall be liable to fines or imprisonment for a term not exceeding 6 months, but not exceeding 2 years if there are especially aggravating circumstances.
Shall be liable to fines or imprisonment for a term not exceeding 12 months.
Shall be liable to fines or imprisonment for a term not exceeding 6 months, but not exceeding 9 months if there are especially aggravating circumstances.
Can a ZENER BARRIER be installed in a hazardous area?
Yes, that's what the zener barrier is made for.
Only in equipment operating on very low voltage.
No, as only the output from the barrier is intrinsically safe this is not allowed.
Only if properly marked for such installation.
When checking the cylinder pressures of a 6 cylinder medium speed diesel engine it is found that one of the cylinders has a high maximum pressure. What is the most likely cause of this?
Fuel pressure to the engine is too high.
Exhaust valve on the cylinder with the high pressure is leaking.
Fuel timing to that cylinder too far advanced.
Fuel timing to that cylinder too far retarded.
On the figure 4 possible definitions of the term "CENTRE LINE" are given. Which one is the correct one?
Centre line is given by D on the figure
Centre line is given by B on the figure
Centre line is given by A on the figure
Centre line is given by C on the figure
Which publication sets out the forces that cause cargo shifting on a General Cargo Vessel?
The Code of Safe Practice for Solid Bulk Cargoes (BC Code)
The Cargo Securing Manual (CSM)
The ship's stability manual
The Cargo Stowage and Security (CSS) Code
In the context of oil tanker operations, what is "clingage"?
Oil residues remaining in the bottom of a cargo tank after tank-cleaning
The resistance to flow in a pipeline during the discharge of an oil cargo
Electrostatically charged bubbles of air and moisture suspended in an oil cargo after loading
Residues remaining on the inside of a pipeline, or on the internal structure of a cargo tank after an oil cargo has been discharged
What extra precautions should be taken by the officers and crew if some of the passengers are disabled, i.e. using wheelchair, cane, blind etc.?
Locate them in large cabins to ease their stay.
Passenger with some form for disability must travel with accompany, and live in same cabin or next door.
They must be placed in cabins on the same level as the muster station.
All passengers that will require extra assistance, also in case of an emergency situation/ evacuation, must be registered in order to allocate crew to assist them if needed.
When are power-operated watertight sliding doors (class 3 doors) compulsory for all watertight doors aboard passenger ships?
Where the ship is fitted with through-going car decks
Where one or more doors are situated below deepest load line
When the ship is certified for more than 150 passengers
Where the ship has passenger spaces below the bulkhead deck
When data are to be transferred over a telephone line, we often utilize modem at each end. Which of the following adapter cards (parts) will you use for interfacing a modem to a computer?
Parallel adapter
Serial adapter
Enhanced graphic adapter
VGA display adapter
When working in areas which requires the use of a ladder, should you:
Use a safety belt/harness and secure it to a fixed piece of equipment/ship-s structure.
All of the listed alternatives.
Secure the ladder top and bottom.
Have a person standing by at the scene/bottom of ladder.
What is the meaning of the expression MARVS?
The meaning of MARVS is Maximum Actual Relief Valve Setting
The meaning of MARVS is Maximum Allowable Relief Valve Setting
The meaning of MARVS is Maximum Automatic Relief Valve Setting
The meaning of MARVS is Minimum Allowable Relief Valve Setting
Which of these statements about drug smuggling is true?
"The preventative measures you incorporate into your ship’s security plan should be exhaustive, regardless of the level of threat identified by your ship’s security assessment."
The risks to ships are not restricted to specific areas or trading routes.
Drugs are difficult to conceal onboard a ship.
"Drug smuggling is only a problem in certain ports, so only ships sailing in those ports need to implement preventative measures."
Under which MARPOL category are vegetable oils classified?
Category "Z".
Category "Y".
Vegetable oils are not classified under the MARPOL categories.
Category "OS" (other substances).
What is the requirement with regard to Familiarisation on board?
Seafarers on board passenger vessels must as soon as possible learn the names of all persons working in the same department in order to ensure efficient daily operation.
During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.
Seafarers shall be familiarized with all life saving appliances and emergency exits in case any emergency situation occurs. It takes normally an hour to complete the Safety Familiarisation. The safety Officer is responsible.
Seafarers, on being assigned to any ship, shall be familiarized with their specific duties and with all ship arrangements, installations, equipment, procedures and ship characteristics that are relevant to their routine or emergency duties.
You have just completed your tank cleaning programme for a set of tanks that previously contained Toluene. What will the main hazard be when you enter the tanks for mopping and inspection?
The lower part of the tank may still be wet and slippery. You may not be able to see this from the deck.
The atmosphere inside may contain insufficient oxygen to support life, or toxic vapours, or both.
There will commonly be insufficient natural light to safely descend the access ladder.
That there may hydrocarbons present on the bulkheads.
Before loading operation starts, what shall you as duty officer observe?
The hoistable decks in correct positions and stanchion-guard placed where needed?
The angle on the stern ramp in order?
Leave everything to the crew?
Physical checking the ramp/cargo holds/hoistable decks and see that everything are in order and the ship-s gear correctly located?
Which of the following cargoes would normally require surrounding empty cargo tanks, void spaces and ballast tanks to be inerted prior to loading and maintained in that condition while the cargo was on board?
Propylene Glycol.
Propionic Anhydride.
Propylbenzene.
Propylene Oxide.
What makes cargo holds weather tight?
The hatch coaming compression bar
Firm contact between the hatch cover rubber seals and the hatch coaming compression bar
Steel-to-steel contact between hatch covers and coaming
Hatch cover rubber packing
When people jump into the water from a ship, what should they do?
Keep their arms down at their sides.
Grab the lifejacket near the shoulder.
Take off their lifejackets.
Take off their shoes.
What is a Declaration of Security?
A checklist jointly completed by the Ship Security Officer and the U.S. Coast Guard
A document stating the ship’s security level
A document between the port and the cargo owner stating security
A checklist jointly completed by the ship and shore security representatives
Select the three main checks that must be made to ensure that a hold of a General Cargo Vessel is fully weathertight before sailing ?
Hatch cover fully secured, hold access battened down and ballast tanks checked dry
Hatch cover fully secured, hold access battened down and bilge sounding pipe caps on
Hatch cover fully secured, ballast tank ventilators closed down and ballast tank sounding pipe caps on
Hatch ventilators closed, cranes secured and bilges pumped out
What is the normal name given to the fuel oil used for the ship's main engines?
Fuel oil
Lubricating oil
Cargo
Bunkers
How are cargo tanks classified under the IBC Code?
Stainless steel tanks / zinc coated tanks / phenolic coating tanks.
Compartments greater than 3001 cubic metres capacity / compartments between 3000 cubic metres and 1251 cubic metres capacity / compartments less than 1250 cubic metres capacity.
Centre tanks / wing tanks / deck tanks.'
Independent gravity tanks / independent pressure tanks / integral gravity tanks.
Why do cargo tanks on a chemical tanker commonly have their own individual pipelines and cargo pumps?
To permit faster loading and discharging rates.
To reduce the chances of cross contamination.
To simplify the piping layout.
To allow more dangerous cargoes to be carried.
Many liquefied gas carriers are fitted with inert gas generators to supply inert gas to ensure the atmospheres of various onboard spaces are non-flammable. How is cargo vapour from these spaces prevented from back-flowing into the inert gas generator and creating an explosion risk?
The deck IG main is always manually blanked off when the IG system is not running.
There are at least two mechanical non-return devices fitted to the deck IG main.
There is always a deck water seal fitted to the IG main.
The pressure at the generator outlet is always greater than that of the IG main.
What is of utmost concern during a loaded passage in winter across the North Atlantic
Parametric Rolling
The added weight of icing on container stacks
Temperature differential between air and seawater, that may affect the shell plating
The presence of icebergs
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 is the minimum information to be given on a dangerous goods declaration on a General Cargo Vessel?
IMO Class, weight, cargo brand name, stowage requirement
Gross and net weight, volume of cargo, proper shipping name
IMO Class, UN Number, Gross weight, number of units of cargo, Proper Shipping Name
UN Number, Volume of units, stowage requirements, weight, centre of gravity
What section of the Crew Agreement contains the “Contractual clauses”?
The ship's register
The inside page
ALC 6
ALC 1b
What name is given to the inspection and measurements at the end of a bulk carrier's loading operation, that determines the weight of cargo lifted based on the observed draughts, any list, hog or sag, the dock water density and the calculation of ballast and consumables on the vessel?
Port Measurement.
Load Survey.
Departure Survey.
Draught Survey.
Which of these statements is correct?
Steel slabs may rest directly against the ship’s frames
Steel slabs do not require dunnage
Steel slabs may be loaded within the square of the hatch only
Steel slabs must never be permitted to rest directly against any part of the ship’s structure
What precaution must be taken when discharging crepe rubber?
There should not be bales outside a sling adhering to bales inside it
Derricks must not be used to discharge this cargo
Bales must not be dragged into the hatch square from the wings
Each bale must be discharged independently
You have recently discharged a cargo of Methylene Chloride from tank 4 port. How will the atmosphere in the tank normally be tested for remaining (very low level) traces of vapour to ensure safe conditions before a tank entry certificate is issued?
By reading off a standard explosimeter (combustible gas indicator).
You will be able to smell even a very low level of this product.
It is not possible (or important) to test for trace levels of this product.
By sampling through a gas detector tube.
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."
When should a spreader be used for general cargo operations?
When the weight of a load needs to be evenly distributed by the lifting gear
When the length of a load is such that slinging it will create unacceptable bending moments
When the length of a load is such that slinging it will create sagging
When handling open-top containers
Which of the following statements best applies to the use of ordinary, commercial mobile telephones on board an oil tanker?
They can not be used in the hazardous areas on board at any time
They can be used anywhere on deck between sunset and sunrise
They can be used anywhere on deck with the Chief Officer's permission
They can not be used on deck if rain is falling or can be seen to be falling in the vicinity of the ship
What advantages does the radar have over the eye?
Subject to night adaptation
Simplifies the overview
Poor at assessing distance
Degradation through glare
If a vessel is fitted with “free flow system”, what does it mean?
That the cargo is free flowing in all tanks at all times.
A vessel without ordinary bottom lines where the cargo flows from tank to tank through bulkhead valves.
The vessel is not equipped with own discharging equipment.
That the vessel is only able to load on gravity.
When trying to reverse a large slow speed diesel engine in the astern direction it cannot be turned on air even though it will start in the ahead direction. What is the likely cause of this problem?
One of the cylinder air start valves has stuck open.
The reversing servo for the fuel pumps has stuck in the ahead position.
The start is blocked because the air distributor has not moved to the astern position.
The automatic valve for the air start system has jammed shut.
Where shall you be able to activate the ship security alert system on board passenger ships?
From the navigation bridge and in at least one other location
Captain's- and Chief Officer's office
Navigation bridge
Captain's office
Which of the options given is the main reason for using a ring spanner to tighten the brass nuts on the cover studs of a pump casing?
The nuts can be tightened more with this type of spanner.
It will allow the nuts to be tightened correctly.
It will minimise the risk of slipping off the nut or damaging the nuts.
It can be adjusted to the exact size of the nut.
Having a CO2 alarm during normal working hours, what immediate action should be taken?
Get into the control room.
Awaiting further order.
Get out of the engine room as soon as possible.
Ignore the alarm.
Why do many engine makers recommend to grind the valve spindle sealing surface with a half degree difference to the valve seat?
To compensate for the heat expansion.
To improve the sealing surface between valve and seat during operation of the engine (compensate for the bending of the valve disc caused by combustion pressure).
To avoid sticking between valve and seat during high load operation.
To minimize heat transfer between seat and housing.
The function of the fuses in a motor starter circuit is to provide:
Over load protection.
Undervoltage protection.
Short circuit protection.
Overload protection.
Electric arc welding is to be carried out in the machinery spaces other than the workshop. Which of the alternatives below would be the correct procedure for the connection of the "return" cable to the welding set?
Have a short length of cable permanently connected to the ships structure close to the welding set.
Weld a stud bolt close to the work piece and connect the return cable to this.
Any of the listed alternatives.
Connect the return clamp direct to the work piece and welding set via a cable of suitable length.
When an evaporator is operated in extremely cold water you may need to throttle the seawater supply to:
Prevent the evaporator from cold shocking
Maintain the specified boiling temperature
Increase the evaporator distilling rate
Avoid flooding the evaporator shell
What pressure is present in the crankcase of a freon compressor?
The same as suction pressure.
None of the mentioned alternatives.
The same as discharge pressure.
The same as atmospheric pressure.
On a ship installation it is preferable on vertical pumps to have shaft sealing at the pump upper only. For what reason?
Adjustment of the seal if possible.
Containment of liquid in the pump over long idle periods.
Observance of conditions (i.e. leakage) if mechanically sealed.
All of the mentioned alternatives.
What separation temperature is recommended for lubricating oil of a trunk piston engine operating on HFO
95 Fahrenheit
95 Celsius
90 Celsius
99 Celsius
Tank (4) in the outlet piping is designed to:
Provide an air cushion
Take up the difference in water volume at changes of temperature
Maintain a constant head in the system
Prevent air accumulation in the cooling water 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.
It is not important.
What separating temperature do You mean is best for lub. oil?
85 - 90 Centigrades.
40 - 60 Centigrades.
About 50 Centigrades.
60 - 80 Centigrades.
What is the meaning of the term "valve clearance"?
The clearance between valve spindle disc and seat.
The clearance between the rocker arm and camshaft pushrod.
The clearance between the rocker arm and valve pushrod.
The clearance between the rocker arm and valve pushrod in either warm or cold state.
During a routine seapassage the cooling water high temperature alarm system for one of the auxiliary engines is out of function and blocked. What will be the appropriate immediate action?
All the actions listed in the other alternatives
Have the failure immediately repaired
If the failure is in conflict with pre-requisitional electric power supply, ensure manual operation mode until the failure is corrected
Switch to another generator set (that is available)
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.