Test online for seamans about Deck department, Support level, Reefer (CES v6.0)

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Правильные ответы:
1

According to the requirements of the SOLAS 74 convention, Emergency Diesel Generator (EDG) must take full ratred load no more than:

Ваш ответ правильный:

45 sec.
2

How will a faulty capacitor of a single phase electrical motor affect its operation?

Ваш ответ правильный:

Motor will not start.
3

On a conventional reefer vessel fitted with wooden hatch boards (gratings) which of the operations given in the options is the most likely to cause the greatest damage to the hatch gratings?

Ваш ответ правильный:

Loading or discharging palletised fruit using pallet jacks.
4

Which of the following should be used on an electrical fire (2 answers are correct).

Ваш ответ правильный:

CO2 extinguisher.; Dry powder extinguisher.
5

What will you do when all the fresh water in the survival craft is finished or about to finish?

Ваш ответ правильный:

Start collecting rain water.
6

What does the term “Hard a Starboard” or “Hard to Starboard” mean?

Ваш ответ правильный:

Put the wheel fully over to starboard.
7

What kind of safety equipment must be worn during anchoring?

Ваш ответ правильный:

All of the mentioned equipment.
8

Give the meaning of the following symbol:

Ваш ответ правильный:

Portable fire extinguisher.
9

During restricted visibility, you are posted as bridge lookout and you hear 1 long blast at intervals of about 2 minutes on your port bow. What will you report to the OOW (officer on watch)?

Правильный ответ:

Fog signal of one long blast heard on the port bow.

Ваш ответ:

Power driven vessel under way and making way on the port bow.
10

What is a contingency plan for ships?

Ваш ответ правильный:

Plan for safety preparadness.
11

On a conventional reefer vessel carrying palletised cargo, dunnage bags (air bags) are used to prevent the pallets from moving during bad weather. Assuming that the air bags are correctly positioned and inflated, select, from the options given, the other important function provided by these bags.

Правильный ответ:

They will prevent short circuiting of the cold air.

Ваш ответ:

They will prevent short circuiting of the cold air.
12

The minimum number of lifebuoys required on a cargo ship depends on:

Ваш ответ правильный:

The length of the ship.
13

Based on pressure measurements, how to determine that the compressor is out of order?

Ваш ответ правильный:

The suction pressure is less than the discharge pressure.
14

A cargo of hard frozen, whole tuna is being loaded on a conventional reefer vessel. Select the best method of loading the cargo from the options given.

Ваш ответ правильный:

Use a rope net.
15

What might safely be used to prevent a load swinging when lifted by a crane?

Ваш ответ правильный:

Guide or tag lines, tended from a safe location.
16

What is the superheat in a refrigerated system?

Ваш ответ правильный:

This is the difference between the boiling point temperature of refrigerant in the evaporator coil and the actual temperature of the refrigerant gas as at leave the evaporator.
17

Why is precooling of cargo is important?

Ваш ответ правильный:

Reefer cannot be used to reach the desired temperature, cargo of a reefer container has to be brought to the desired temperature prior to loading.
18

What is the ideal humidity in a working environment?

Ваш ответ правильный:

40-60 %.
19

How does a reefer container work?

Ваш ответ правильный:

The generator, placed on one side of the container, blows air into the container.
20

What is a Reefer Container?

Ваш ответ правильный:

Container is a type of shipping container that remains its cargo at a regulated cool temperature.
21

A deck patrol notices that a cargo space carrying refrigerated cargo under controlled atmosphere (CA) is not padlocked shut. Select, from the options given, the main reason why such a space should be kept locked.

Ваш ответ правильный:

To prevent unauthorised entry into the space because of the hazard risk due to the low oxygen content of the controlled atmosphere in the space.
22

What is meant when a vessel is said to have sinkage?

Правильный ответ:

The vessel may be moving which causes extra loads on a person.

Ваш ответ:

Sinkage is the extra draft a vessel obtains when she is comparatively heavily loaded both ends.
23

What is the correct understanding of the term “Bottlescrew”?

Ваш ответ правильный:

A bottlescrew is a metal threaded sleeve which adjusts the length and tension on rigging or stays.
24

According to European standards (EN) fire can be classified:

Ваш ответ правильный:

A, B, C, D.
25

Which of the following is a precautionary measure to prevent fire in general:

Ваш ответ правильный:

All the answers are good.
26

Electric ozone generators are sometimes used to remove residual odours from refrigerated cargo spaces. Which of the options given is the additional action required to ensure the operation is successful?

Ваш ответ правильный:

The source of the odour must be located and removed.
27

What is the purpose of the Oil in the refrigerated systems?

Ваш ответ правильный:

To lubricate the moving parts of the compressor.
28

On the figure there are four (4) possible definitions of the term “BOLLARD” given. Which one is the correct one?

Ваш ответ правильный:

Bollard is given by “D” on the figure.
29

The fire point is:

Ваш ответ правильный:

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.
30

How to test dielectric gloves before work?

Ваш ответ правильный:

Before use, the gloves should be inspected, paying attention to the absence of mechanical damage and fill gloves with hot fresh water.
31

A cargo of frozen chicken is being presented for loading into a conventional reefer vessel. Which of the options given is the most appropriate packaging method that should be used for such a cargo?

Ваш ответ правильный:

It should be packed in cardboard cartons.
32

What is understood by the word “Bollard”, when mooring a ship?

Ваш ответ правильный:

A Bollard is a thick steel post to which mooring lines are secured.
33

Is it always possible to use the word “ship” instead of the word “boat”?

Ваш ответ правильный:

Normally a small vessel is called a “boat” rather than a “ship”, otherwise it is not important.
34

A conventional reefer vessel is carrying a cargo of chilled palletised fruit. During a period of bad weather some of the bottom cartons on a pallet have compressed causing the pallet to distort, resulting in the cargo leaning to one side. Which of the options given is the safest way to discharge the cargo from the affected pallet?

Ваш ответ правильный:

Break the pallet down and re-stow the cartons so that the pallet is stable and then lift it in the normal way.
35

Discharge of a frozen cargo is about to start from a conventional reefer vessel. Select, from the options given, the best procedure to follow to ensure good cargo care:

Правильный ответ:

The fans should be stopped just before the hatch lids are raised for opening.

Ваш ответ:

The fans should be kept running after the hatch is open until the stevedores enter the hatch.
36

Which of these does not affect the temperature rise of the compressor discharge gases?

Правильный ответ:

Malfunction one of two return air sensors.

Ваш ответ:

Insufficient freon level in the system.
37

On the figure there are four (4) possible definitions of the term “QUAY” given. Which one is the correct one?

Ваш ответ правильный:

Quay is given by “A” on the figure.
38

Port State Control Officers are authorised to:

Ваш ответ правильный:

Inspect and detain ship that are not meeting the requirements until they are able to demonstrate compliance with the regulations.
39

From the options given, select the one which best completes the following statement. “A seaman who is required to work in a hatch containing perishable goods should wear gloves that are …”.

Ваш ответ правильный:

Clean.
40

During bunker operations, oil response equipment is to be:

Ваш ответ правильный:

Ready for immediate use.
41

Where is the “FORECASTLE” in the figure?

Ваш ответ правильный:

The Forecastle is indicated by “B”, in the figure.
42

This device can detect a package of drugs inside a large delivery of ship’s stores. What is it?

Ваш ответ правильный:

Pallet scanner.
43

Which of the following actions will most effectively prevent fire in a cabin?

Ваш ответ правильный:

Ensuring that all persons avoid smoking in bed.
44

Breathing apparatuses is an important piece of equipment for being able to fight a fire onboard a vessel. What routine precautions to be observed with regard to use and maintenance of such equipment?

Ваш ответ правильный:

All the mentioned alternatives.
45

What is the correct stowage of the reefer on deck of container vessel?

Ваш ответ правильный:

Motor to forward.
46

What are the duties of the “Standby Watch keeper” when he is not on the bridge?

Ваш ответ правильный:

Remain in the expected location, available for immediate call from the bridge.
47

What is the normal suction pressure for compressor?

Ваш ответ правильный:

Depend on the reefer container working mode and ambient temperature. Technical standards from the manufacturer that are specified in manual.
48

What is the reason between dry and reefer container?

Ваш ответ правильный:

The major difference between normal dry container and reefer container is that the temperature condition controlling system is available in reefer container.
49

How many buoyant smoke signals are carried in each liferaft with SOLAS A pack?

Ваш ответ правильный:

2.
50

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?

Ваш ответ правильный:

The water can be applied in a fine spray starting from the front in a sweeping motion.
51

We do need old ships to enable us to meet the world’s transport needs, but they must be in a good condition. The shipping world would have serious problems if all the old tonnage was taken out of service or broken up today. The new building activities of recent years has given insufficient transport capacity to tolerate more ships being broken up. It has yet to happen, however. It is up to the industry to ensure that more of the poorest ships are scrapped. What is the fundamental requirement relating to the older ships, which are still in service?

Ваш ответ правильный:

The older ships must be in good condition.
52

Ship Security Plans all look the same.

Правильный ответ:

False.

Ваш ответ:

True.
53

The figure shows the cross section of a ship floating in water with the hull coloured in red and the seabed below the vessel shaded. On this figure there are four (4) possible definitions of the term “UNDERKEEL CLEARANCE” given. Which one is the correct one?

Ваш ответ правильный:

Underkeel clearance is given by “A” on the figure.
54

Which parameters of the reefer container you should check after loading?

Ваш ответ правильный:

Serial number, stowage position, set point, ventilation position, humidity set point, supply temperature, return temperature, active alarms, visual damages of refrigerated plant.
55

What is the output shown on the “Rate of Turn” display fitted on the bridge?

Ваш ответ правильный:

The Rate of Turn indicator displays the rate the ship is swinging in degrees per minute.
56

What is Reefer container used for?

Ваш ответ правильный:

Reefers are essential for worldwide trade of food.
57

Which of the cargoes given in the options would you expect to be most suited for loading onto a conventional reefer vessel designed with side loading doors?

Ваш ответ правильный:

Break bulk bananas.
58

What is means “Set Point”?

Ваш ответ правильный:

Required temperature for transportation of cargo in reefer container.
59

What do you understand by: Let go the port anchor?

Ваш ответ правильный:

Open the port windlass brake.
60

You have abandoned ship in a liferaft. Which of the following actions should you take?

Ваш ответ правильный:

Organize a lookout system and join up with other survival craft if possible. You should also stream the sea anchor.
61

How will you act if you are helmsman and the OOW (officer on watch) gives you the order: “Nothing to port”?

Ваш ответ правильный:

Don’t let the ship turn to port.
62

What signal, if any, is specified in SOLAS as the “Abandon ship” signal?

Ваш ответ правильный:

The “Abandon ship” signal is not specified, only the general emergency alarm signal is stated.
63

What is the reason for the superheat in reefer system?

Ваш ответ правильный:

Low quantity of refrigerant in evaporator.
64

A person wearing lifejacket or immersion suit, shall be able to turn from a face-down to a face-up position in not more than:

Правильный ответ:

5 seconds.

Ваш ответ:

8 seconds.
65

What is means “Ambient Temperature”?

Ваш ответ правильный:

Outside temperature.
66

The temperature of chilled air is monitored after it has passed through a refrigerated cargo and the temperature noted. This temperature is often referred to as the RAT. Which of the given options does RAT stand for in relation to refrigeration of a cargo?

Ваш ответ правильный:

Return Air Temperature.
67

The diagram shows the direction that a rope runs during a mooring operation and a possible place where it may break. Where would be considered the safest position to stand?

Ваш ответ правильный:

Outside the blue coloured zone.
68

What are the duties of an effective bridge look out?

Правильный ответ:

Keeping a constant observation around the ship.

Ваш ответ:

Keep a lookout for other ships; navigation lights and any other dangers which may have no lights.
69

What is the main signs of an insufficient freon gas level in the refrigerated system that we can easily see on the evaporator coil?

Ваш ответ правильный:

The evaporator coil is frozen after the thermostatic valve at the beginning of the coil.
70

Modern conventional reefer vessels tend to be designed with large, unobstructed areas on the main deck. Select, from the options given, the main reason for this feature of the vessels design.

Ваш ответ правильный:

To leave the maximum space available for the carriage of containers on deck.
71

A producer is attempting to reduce costs by packing his fruit in cheap, poor quality cardboard cartons. Which of the given options would be the most likely outcome of using inferior quality cartons for packaging of perishable cargo for carriage in a refrigerated vessel?

Ваш ответ правильный:

The lower rows of cartons in the stow will collapse and cause crush damage to the cargo.
72

A refrigerated container is loaded on deck. On inspection it is noted that the door seals are damaged. Select, from the options given, the main reason why it is unacceptable to have a refrigerated container in such a condition.

Ваш ответ правильный:

If the door seal is damaged the cargo may spoil due to ingress of warm air.
73

You are carrying out a search in a smoke filled compartment wearing a breathing apparatus. At what stage should you start to make your way out of the compartment?

Ваш ответ правильный:

Regularly check your pressure gauge and note how much air you used to reach your work area. Start to return when you have this amount left plus a reasonable reserve.
74

You are driving a crane and the signalman on deck gives this signal. What does it mean? (Hand signals as per the Code of Safe Working Practices for Merchant Seamen).

Правильный ответ:

Danger, or emergency stop.

Ваш ответ:

Lift the jib.
75

What is the meaning of “make fast”?

Ваш ответ правильный:

To secure a rope.
76

On the figure there are four possible definitions of the term “STARBOARD BOW” given. Which one is the correct one?

Ваш ответ правильный:

Starboard bow is given by “A” on the figure.
77

An electrical power emergency source on ship is required because:

Ваш ответ правильный:

It satisfies the SOLAS (and other) requirement for the ship safety.
78

During a walk around of a stow of refrigerated containers, one of the containers is noted to be quiet and has a red light showing on the control panel. Select, from the options given, the most likely cause of this condition.

Ваш ответ правильный:

The red light indicates that there is a fault with the container’s refrigeration unit.
79

What will you do if you are helmsman and the OOW (officer on watch) gives you the order: “Starboard ten”?

Ваш ответ правильный:

Repeat the command back and then turn the wheel to make the rudder turn 10 degrees to starboard of amidships.
80

How to prepare reefer container system for safely welding work on the gas pipe?

Ваш ответ правильный:

Switch off power supply and collect freon to the recovery balloon.
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