%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 3rd-Eng/4rd-Eng
Виберіть режим роботи з тестом:
Навчання
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
Which one of the listed requirements regarding launching appliances for survival crafts and rescue boats do not correspond to present regulations?
Launching appliances shall be constructed for minimum amount of routine maintenance
The launching mechanism shall be arranged for actuating from a position within the survival craft or rescue boat in addition to a position on the ship's deck
All launching appliances shall be capable of recovering survival crafts and rescue boats with their crew
Parts requiring regular maintenance by ships crew shall be readily accessible
The fire point is
The maximum pressure that will be reached when a given combustible burns into an enclosed space
The minimum temperature at which a combustible gives off vapours that may burn in contact with oxygen in air, and at which combustion persists once the source of ignition has been removed
A process of chemical decomposition by oxidation-reduction at unusually high temperature, in areas with slight ventilation.
The minimum temperature at which a combustible gives off vapours that may burn when they are in contact with oxygen in air, when there is a presence of activation energy; but with no capacity of maintaining combustion.
*All waste receptacles shall be of non-combustible materials, built and equipped with:
No openings in sides and bottom
A cover of a hinged self-closing type
Permanent means for lashing
A permanenlty attached cover
For carbon dioxide fire-fighting systems for machinery spaces the fixed piping system shall be such that: (SOLAS II-2/5.2.4)
70% of the gas can be discharged into the space within one minute
100% of the gas can be discharged into the space within two minutes
100% of the gas can be discharged into the space within three minutes
85% of the gas can be discharged into the space within two minutes
The greatest limitation of the fixed pressure water-spraying fire-extinguishing systems is a danger of
Stability reduction on ships with several decks
Overflowing
All answers are good
Stability reduction on ships with single deck
What is the minimum number of independently driven fire pumps that must be provided on general cargo ships of 1000 gross tonnage and upwards?
4
1
2
3
*What is the minimum number of portable fire extinguishers that must be provided for the accommodations, service spaces and control stations on ships of 1000 gross tonnage and upwards?
5
7
9
3
How often shall crew members participate in fire drills?
Once every year
Once every 6 months
Once every week
Once every month
Which one of the listed requirements regarding abandon ship and fire drills do not correspond to present regulations?
Each member of the crew shall participate in at least one abandon ship drill and one fire drill every month
A training manual shall be provided in each crew messroom and recreation room or in each crew cabin
On all short international voyages, muster of passengers shall take place as soon as possible after departure
On all international voyages, except short voyages, muster of passengers shall take place within 24 hours after embarkation
Who is responsible for keeping the required official publications onboard?
The radio officer.
The owner.
The authorities.
The master.
What is full form of VRP (OPA-90)
Vessel Report Plan
Vessel Response Procurement
Vessel Reporting Procedures
Vessel Response Plan
You are part of a team of two First Aiders in a resuscitation situation. What is the rhythm of resuscitation with two First Aiders?
5 compressions after every 1 inflation
7 inflations before every 5 compressions
10 compressions within every 3 inflations.
3 compressions after every 1 inflation
Give the meaning of the following symbol
C class fire door self closing
A class fire door self closing
B class fire door self closing
D class fire door self closing
A ship is being overtaken by another ship while proceeding along a river. What should be the required procedure?
The overtaking vessel can overtake but must allow sufficient space to reduce the interaction between the two vessels
The overtaking vessel should request permission from the other ship by sounding two prolonged blasts followed by two short blasts on the whistle or by direct VHF contact.
There should be no overtaking in these confined waters
The overtaking vessel should request permission to overtake from the Port Control VTS
The ship is in a sharp turn and the log shows sideways motion to port both forward and aft. Where is the "pivot point" located?
Outside the ship itself
At the center of gravity
At 1/6 of the ship-s length aft of the bow, but in the center line
Aft of amidships
Searchlights must be provided for night navigation in the Suez Canal. Which of the listed requirements are correct?
Vessels with bulbous bow, LPG- and LNG-vessels must provide their own projector
All vessels must provide their own projector
Only projectors hired from the Canal Mooring and Light Company are permitted
If vessels have their own projector, an extra fee will be levied on the vessel
Which of the following duties shall be included in the "muster list" as being assigned to crewmembers in relation to passengers?
clearing the escape routes
ensuring that every passenger is provided with an immersion suit or a thermal protective aid
ensuring that a supply of blankets is taken to the survival craft
ensuring that extra food and water is taken to the survival craft
Give the meaning of the following symbol:
liferaft
muster station to liferaft
muster station to davit launched liferaft
davit launched liferaft
*There are 3 lifeboats on each side of a passenger ferry engaged on short international voyage and having a factor of subdivision equal to 0,4. All these lifeboats are identical. What should be the total number of persons that can be accommodated in the 3 lifeboats on the starboard side altogether ? (*) N is the total number of persons that vessel is permitted to carry.
at least 100 % of N (*)
at least 75 % of N (*)
at least 15 % of N (*)
at least 50 % of N (*)
Which one of the listed requirements regarding enclosures of totally enclosed lifeboats do not correspond to present regulation? The enclosures shall be provided with:
windows on both sides which can be closed watertight and opened for ventilation
access hatches capable of being opened and closed from both sides
arrangement for rowing
access hatches which can be closed watertight
Posters or signs shall be provided on or in the vicinity of survival craft and their launching controls. Which of the following requirements do not have to be included according to present regulations? (SOLAS III/9)
Illustrate the purpose of controls and the procedures of operating the appliance
Use recommended symbols
Give relevant instructions and warnings
Give information on survival craft capacity
Which one of the listed requirements regarding the stowage of a survival craft do not correspond with present regulation? (SOLAS III/13.1) Each survival craft shall be stowed:
in a secure and sheltered position and protected from damage by fire or explosion
so that neither craft nor stowage arrangement interfere with the general operation of the ship
in a state of continuos readiness so that two crewmembers can prepare for embarkation and launching in less than 5 minutes
as near the water surface as is safe and practicable
Give the meaning of the following symbol
EPIRB
Radar transponder
Survival craft distress pyrotechnic signals
Rocket parachute flares
If making a new pilot ladder onboard, which of the following ropes would you use in its construction as side ropes on which the steps are fastened?
Uncovered manila rope.
Polyester rope.
Polypropylene rope.
Nylon rope.
How can the error of the Gyro compass be determined?
By using any of the methods in the suggested answers
By taking the radar bearing of an object when the radar is on a compass stabilised mode and comparing it with the bearing on the chart of the same object
By taking a transit bearing with the gyro compass of two prominent fixed shore objects and comparing it with the bearing of the same objects on the chart
By comparing the course readout on the GPS with the gyro course steered.
What is the normal thickness of the primary barrier (membrane) on membrane containment type systems?
0.7 - 1.5 mm
1.5 - 2.0 mm
2.0 - 2.5 mm
0.2 - 0.5 mm
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
What is the purpose of an expansion valve in a refrigeration system circuit?
To control the cooling water temperature through the condenser.
To control the cargo hold temperature.
To control the flow rate of liquid refrigerant to the evaporator.
To control the suction pressure at the compressor.
Which of the methods given in the options should be used as part of the check of the accuracy of a liquid filled thermometer used in the cold rooms of the ships provisions stores?
Immerse the thermometer in a mixture of distilled water and ice made from distilled water to check the zero reading.
Place the thermometer in a hole drilled into a block of ice to check the zero reading.
Place the thermometer in the meat room and check the reading when the refrigeration compressor cuts out.
Place the thermometer in the meat room and check the reading matches the thermostat setting when the liquid line valve closes.
During replacement of the main bearing shells on a medium speed diesel engine it is necessary to remove both the top and bottom half shells. From the options given select the method that is most commonly employed to remove the bottom half shells from the bearing pockets on an engine with a traditional bedplate?
Jack up the crankshaft and use a suitable punch to loosen the bottom half shell in the pocket so it can be lifted out with a pair of grips.
Fit a driver in the crankshaft oil hole which bears against the edge of the bottom half shell and turn the engine.
Turn the engine to a position where the crank webs are clear of the shell and knock the bottom half shell out axially using a suitable punch.
Remove the crankshaft so that all the bottom half shells can be removed at the same time.
To control bleeding, a tourniquet should be applied:
Only when all other means have failed
Whenever it is possible to stop bleeding
Only on Radio medical advice
Whenever you have to transport the casualty
This circuit consists of a voltage source V, a change-over switch S, a resistor R and a capacitor C. The voltage/time figures 1 to 4 show changes in the voltage V(C) when the switch S is suddenly shifted from position 1 to 2 at time t = 0. Only one of the diagrams is correct. Which?
Figure 4
Figure 2
Figure 1
Figure 3
While on boiler watch on an automatically controlled steam boiler the rating notices that the burner has failed to light following a drop in steam pressure. What action should be taken?
Shut the steam stop valve to stop the steam pressure falling further.
Stop the feed water pump immediately in case the boiler overfills.
Try and light the boiler burner manually.
Call the duty engineer immediately using the engineers call alarm.
You are in an area of restricted visibility. You hear this sound signal. What does it mean?
That there is a vessel engaged in underwater operations in the vicinity. She has divers down.
That there is a vessel aground in the vicinity.
That there is a vessel at anchor in the vicinity.
That there is a vessel in distress nearby.
On a Container vessel, with regard to fire precautions, what must be ensured prior to securing hatch pontoons?
That the duty officer's permission has been obtained to secure the pontoons
That the cargo hold fire fighting system has been checked
That under-deck cargo operations have been completed
That all cargo clusters have been removed from the hold
What is the requirement with regard to Familiarisation on board?
During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.
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.
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.
In a PID controller it is possibile to change the setting of the Proportional band (P), the Reset time (I) and the Rate time (D). Please indicate which curve shows the typical response to a step input, if the variables are well adjusted.
Figure 4.
Figure 3.
Figure 2.
Figure 1.
What should you observe when patrolling public areas on board?
Drunk people
Stowaways
If all the fire extinguishers are in place and that fire doors are open
All abnormalities that may affect the safety/ security of passengers, crew and the ship
You have to choose one of the following instruments for measuring pressure in an air bottle in measuring range 0 - 35 BAR. Which instrument would you install?
U-type H2O manometer
U-type Hg manometer
Bellow type manometer
Bourdon Tube manometer
Which of the following groups of chemical cargoes is particularly susceptible to polymerisation, especially through exposure to heat?
Aliphatic Amines.
Paraffins.
Aldehydes.
Monomers.
What is the normal maximum oil content permitted for machinery space bilge overboard discharge via OWS equipment?
15 ppm
100 ppm
Zero ppm
50 ppm
Before each cargo tank is crude oil washed (COW) the oxygen content must be determined at?
A point 1 metre below the deck and at a point 2 metres above the bottom..
A point 1 metre below the deck and at the middle level of the ullage space.
A point 2 metres below the deck and at the middle level of the ullage space.
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.
At what time should lashings be released?
The crew can release lashings prior to arrival to avoid any delays.
As soon as the weather conditions are favourable, lashings can be released.
Lashings should be released when the ship enters enclosed waters.
Lashings should not be released for unloading before the ship is secured at the berth, without the Master's express permission.
Which of the following options would be a typical pressure setting for a main engine slow down in the event of jacket cooling water system low pressure?
0.2 to 0.5 bar
1to 2 bar.
10 Bar
5 Bar
What are the effects of a bulk vessel loading a high density cargo resulting in a large metacentric height (GM)?
Suffer torsional stresses and have small righting levers
Have a slow roll and very small righting levers
Have a fast roll period and possibly suffer racking stresses
Have a slow roll and large righting levers
If it is found that a leakage from the gland of a centrifugal pump is excessive. The correct procedure is:
Fit oversize packing to the stuffing box.
Tighten the gland as much as possible until the leakage stops.
Ensure the bilge well to which it is draining is regularly pumped out.
Re-pack the stuffing box loosely with the correct size packing at the earliest opportunity.
It has been shown that the controlled release of oil is effective in reducing the effects of the sea, making it possible for a rescue craft to approach survivors in the water. How many square metres does the IAMSAR Manual suggest may be calmed by releasing 200 litres of lubricating oil slowly through a rubber hose with the outlet maintained just above the surface while the ship proceeds at slow speed?
Approx 50,000 square metres.
Approx 50 square metres.
Approx 5,000 square metres.
Approx 500 square metres.
Is there any requirements regarding double bottom for large passenger ships?
Yes, in ships of 76 m in length and longer, a double bottom shall be fitted amidships, and extend to the fore and aft not less that ? of the ship length.
No, a double bottom is not required
Yes, in ship of 76 m in length and upwards, a double bottom shall be fitted amidships, and shall extend to the fore and after peak bulkheads, or as near thereto as practicable.
Yes, a double bottom shall be fitted amidship
During maintenance work on a compensated mechanical hydraulic governor air is drawn in to the hydraulic circuit after draining and flushing out the unit. Which of the actions given in the options is most likely to assist in the removal of the air from the system?
With the governor in operation open the compensation needle valve to introduce instability and disturb the engine load to make the governor hunt.
With the governor in operation close the compensation needle valve and disturb the load to make the engine hunt.
Overfill the governor with fresh oil to force all of the air out.
Drain the governor again and slowly refill with fresh oil.
When checking the closed butt gap clearance of new piston rings prior to fitting onto the piston it is normal to try the rings in the liner so that the gap can be measured. From the options given select the best part of the liner to use to carry out these checks.
Near mid-height of the liner.
Near the bottom of the liner.
Near the top of the liner.
Just above the scavenge ports.
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
On a Bulk Carrier, what should be done immediately, if during the voyage the temperature of bulk coal exceeds 55?C?
Continue ventilation of all cargo spaces
Seal the hold completely and monitor the cargo using suitable instruments
Use fire fighting water in the hatch
Stop ventilation of cargo space
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.
The instrument air system is suffering from excess water carry over to the instrument air lines. The air intake to the compressor has very high humidity. Which of the actions given in the options will most likely result in reducing this problem?
Use an additional coalescer filter in the inlet to the instrument air filter system.
Shorten the time between automatic receiver drain blow downs.
Reduce the superheat setting on the instrument air refrigeration/dryer unit.
Increase the cooling water flow through the compressor intercooler and aftercooler.
What should a duty crew member do if he observes stevedores smoking in ‘no smoking’ areas?
Immediately inform the stevedore foreman and duty officer
Immediately inform the chief officer
Immediately inform the master
Wait to inform the relieving duty crew member
What should one consider prior to loading machinery with caterpillar crawlers on the hatch covers?
The horizontal restraint of hatch covers
The horizontal restraint of hatch coamings
Maximum permissible loading of the hatch covers and the horizontal restraint of hatch covers and coamings
Maximum permissible loading of the hatch covers
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.
The exhaust gas temperatures of all cylinders of a diesel engine are seen to be high. Select, from the options given, the most likely cause of this.
Poor fuel oil quality.
High wear rate in one of the fuel injection pumps.
One of the fuel cams is worn.
Insufficient cooling of the main bearings.
What is the name of the portable walkway or access between ship and shore?
Bulwark
Bridgeway
Accommodation ladder
Gangway
Is there a longitudal bulkhead in membrane tanks?
There is always transverse bulkheads in membrane tanks to reduce free surface of the cargo
There is steel frames instead of bulkheads in membrane tanks
There is always longtitudal bulkhead in membrane tanks
There isn't longtitudal bulkhead in membrane tanks
Oil analysis results show a high level of tin. What could be the cause of this?
Water contamination.
Fuel contamination.
Bearing damage.
Too high lub.oil temperature.
A medium speed diesel engine which is supported on a steel chocking system has had repeated problems with two of the chocks at the end of the engine on the port side becoming slack. This has led to some fretting damage to the bedplate and tank top in that area. What action should be taken to affect a cost effective permanent repair?
Replace the damaged chocks with resin based chocks of an appropriate size.
Replace the complete steel chocking system with a resin based system.
Tighten the holding down bolts in that area to 150% recommended load to prevent further slackening and fretting.
Replace the complete steel chocking system with one using resilient mounts to accommodate movement and avoid further incidents of fretting.
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 will happen if you overload the plate in a microwave?
Standing time will need to be doubled.
You will need to double, or even treble, cooking times and accept that the outer parts of the food will be overcooked.
Cooking will be uneven and there will be "cold spots" in the food.
The oven will not work in automatic mode.
Where would you look for definitive information on whether a particular cargo is classified as a "Noxious Liquid Substance"? (Other than products provisionally assessed).
The pollution category column of chapters 17 or 18 of the International Bulk Chemical Code (IBC Code).
The product groups within the list of cargoes contained in the Chemical Data Guide for Bulk Shipment by Water.
The Procedures and Arrangements Manual.
The pollution category of chapter 17 (only) of the International Bulk Chemical Code (IBC Code).
Is it required to have supplementary emergency electric lighting on board ro-ro ships?
No, portable battery operated lamps shall be provided in alleyways and public spaces
No, reflective marking indicates the escape routes
No, passengers should bring their own flashlights
Yes, all passenger public spaces and alleyways shall be provided with supplementary electric lighting
A refrigerated container is loaded onto the deck of a conventional reefer vessel and landed on flat dunnage. Select, from the options given, the most appropriate and quickest method of securing the container onto the deck.
Heavy rope lashings.
Patented chain and tension bars.
Wire rope, wire clamps and turnbuckles.
5 tonne spanset strops.
An unconscious casualty who is breathing, should be placed
In the face up position
In the recovery position
Sitting up position
Lying face down position
a
e
d
c
b
Refrigerated cargo spaces are fitted with temperature sensors and in some cases carbon dioxide sensors. From the options given select the one which best completes the following statement. "Monitoring the carbon dioxide content in a cargo space loaded with fruit can be useful because…
… low levels indicate that there are insufficient numbers of air changes."
… increasing levels indicate that the fruit may be starting to ripen."
… its presence indicates that the fruit is ripe."
… its presence indicates that the fruit is still not ripe."
What is the purpose of the discharge booster pump?
To increase the manifold pressure.
To increase the NPSH.
To maintain the cargo temperature.
To compensate for friction losses in the discharge line.
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."
This vessel is sighted ahead and slightly to port. What is her situation? What will you do?
This vessel is aground. I will navigate with extreme caution given the nature of the hazard.
This is a vessel not under command at anchor.
This is a vessel engaged in fishing vessel, with her nets fast on an obstruction. I will keep out of the way by rule 18 of the International Collision Regulations.
This is a vessel aground. She appears to have been headed to starboard of my track and I will therefore alter course to port, passing under her stern.
What is understood by the term "Dew point" of the air?
The temperature at which condensation in the air forms into water droplets.
The temperature of the water vapour in a cloud.
The "Dew Point" is the point at the centre of an Anticyclone
All of the suggested answers
Due to the safety of the ship its crew and passengers it is only permitted to ……… in designated areas onboard
ead magazines and newspapers
Use mobile telephones
Drink
Smoke
The ship is en route. When may passengers visit the bridge?
Passengers are not allowed to visit the bridge while the ship is en route
When the weather is nice and the sea is calm
During daytime if the traffic is smooth
Whenever they want
What are the symptoms that would indicate the filter/drier unit in a refrigeration system was becoming blocked?
A large temperature drop across the drier with possible icing of the casing.
Pressure drop before the driver.
A hammering noise from the drier.
The drier casing temperature increases.
What would be a typical value for the set point for shut down of a large 2-stroke diesel engine due to thrust bearing high temperature?
125° C
85° C
65° C
105° C
What is the name given to the mixture in which meat or fish can be laid for a few hours to add flavour right through the dish?
Macedoine.
Mignonade.
Marmalade.
Marinade.
What do you understand by the term Maximum Continuous Rating, MCR, of a diesel engine?
The maximum load that the engine can operate at continuosly.
The maximum cylinder pressure that the engine can operate at continuously.
The maximum charge air pressure that the engine can operate at continuously.
The maximum speed that the engine can operate at continuously.
Many chemical tankers are fitted with deepwell centrifugal cargo pumps. What is the process by which any leakage of cargo or hydraulic oil into the pump cofferdam is detected?
Proving.
Stripping.
Purging.
Purifying.
The brine used to salting or curing meat contains nitrites. What effect do the nitrites have on the meat?
They increase the preservation time of the meat more than rolling in solid salt crystals
They add a more natural salt taste to the meat than obtained by seasoning after cooking
They reduce boiling time
They make the meat take on a reddish colour after preparation
On a Bulk Carrier, what are hydraulic jacks used for?
Raising and lowering hatch covers panels
Raising and lowering steel pallets
Folding hatch cover panels
Opening and closing hatch covers
Which type temperature sensors are shown on this picture?
Thermistor type PTC
Thermocouple sensors
Resistance sensors
Thermistors type NTC
When loading a static accumulator oil, which of the following is a standard precaution applied to eliminate the risk of explosion through electrostatic charge in the tank?
No metallic sampling devices over 2 litres capacity should be permitted on the cargo deck at any time, unless thoroughly cleaned beforehand with soapy water
No metallic devices, such as those used for gauging and sampling, should be introduced into the tank during loading and for 30 minutes after completion of loading
No rubber containers over 1 litre capacity, such as those used for sampling, should be introduced into the tank between completion of loading and for 10 minutes after that time
No plastic, or plastic coated devices, such as those used for sampling or gauging, should be introduced into the tank unless bonded, at any time
The thermo-expansion-valve is a part of the refrigeration system. What is the thermoexpansion valve doing?
Regulating the suction pressure.
Regulating the cargo hold temperature.
Regulating the cooling-water temperature.
Regulating freon liquid flow to the evaporator.
A decrease in the viscosity of the lubricating oil in a trunk engine may be due to dilution by:
Cylinder oil.
Water.
Diesel oil.
Heavy fuel oil.
What will You do if the liquid start raising in the Surge Drum? (Direct cooling system)
Immediately reduce on the suction valve, and watch the Open more on the suction valve gauge.
Open more on the suction valve.
It will never happen.
Stop the compressor.
What is the main task of the lubrication oil in the engine?
To lubricate the engine.
To lubricate and cool the engine.
To keep the crank case clear and free of deposit.
To transfer heat out of the engine (cooling).
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.