在线测试： Test online CES 5.1 for Deck department, Support level, Oil tanker vessel

“RECEIVED MAYDAY” is used in a:

You have an important navigational or meteorological message to transmit. What call should proceed this message when made on the radio telephone?

What possible reason could there be for the identification mark associated with a Racon not being visible on the radar screen?

Sea area A4 is in maritime radio traffic a sea area:

*How much liferaft capacity should be provided on a conventional cargo ship of more than 85 meters in length.

*On board a ship, how many lifebuoys is required to be fitted with a buoyant lifeline ?

On board a ship, how many lifebuoys can you expect to be fitted with a self-igniting light ?

In oil tanker operations, what is understood by the term "Load On Top"?

What does the Chief Officer want the 1st Engineer to do?

Under international regulations where should draught observations be recorded?

What hazards are associated with the carriage of wood pellets in bulk?

You are to carry a cargo of Phenol across the North Atlantic in winter time. What precaution will you take with the double bottom tank located under the cargo tank containing the Phenol?

Why is it necessary to check for cold spots in the hold spaces of an LNG carrier during loaded voyages?

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?

Which of these is correct?

Why is nitrogen used for the inerting of hold spaces and interbarrier spaces on LNG carriers?

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?

What are some of the precautions that must be taken on a bulk carrier, before double - bottom tanks can be ballasted with sea water?

Can containers carried on multi-purpose or general cargo ships be lashed with lashing wires and chains?

On a RoRo vessel, what must be considered when planning the loading of ro-ro cargoes on ramps?

If a refrigeration system contains air, how would you remove it from the system?

If normal cool down rate has been complied with, what should the temperature at the primary insulation and the secondary barrier be?

What is the main disadvantage of using oil free, screw type compressors for the reliquefaction plant of an LPG carrier?

Is it allowed to have animals on the car deck during a voyage?

Which of the following international regulations is normally used when handling dangerous goods?

The automatic voltage regulator is used to control the output voltage of the alternator at varying load conditions by which of the alternatives?

During loading operations on conventional reefer vessels steel sheets are sometimes placed in the hatch square to avoid damage to the gratings in the square. Select, from the options given, the likely consequence of leaving the steel plates in the hatch square.

On a container vessel, what should be referred to when taking action to deal with a cargo spillage under-deck?

Use of …… and …… is strictly prohibited onthe ro-ro deck, signs shall be displayed

What would you do before giving a boiler a “bottom blow”

Why should passenger ships be subdivided into main vertical zones?

According to most industry standards, what percentage of oxygen by volume is required for entry into an enclosed space without a breathing apparatus?

An LNG carrier is equipped with membrane type tanks with a MARVS less than 0.7 bar. What additional cargo containment requirements, if any, are needed for this type of cargo tank arrangement?

If a cargo is heated, which of the following happens?

Which IMO publication deals specifically with the construction and equipment of liquefied gas carriers?

You are an assistant cook, working on a large passenger ferry. You have a boil on your left wrist, which has become infected. What must you do?

On a Container vessel, what prevents the installation of double stacking cones?

What effect will a low operating temperature of the boiler feed water system have on the condition of the feed water supplied to a high pressure boiler?

Who must sign (and countersign) entries in a Cargo Record Book which documents cargo and cleaning operations on a chemical tanker?

What action should be taken if the heat transfer capacity of a heat exchanger operating as a lubricating oil cooler is reducing?

When loading stores in a tropical harbour on sunny days, which of the following categories of provisions would you arrange to get out of the sun as soon as possible?

Master of every ship must provide:

In the figure, which letter indicates the "BREADTH” of the vessel?

Who is responsible for ensuring that your ship’s security plan meets the requirements of the ISPS Code?

Ships officers must use a thermometer to take and record the pulp temperature of commodities being loaded onto a reefer vessel. From the given options, select the most important attribute of such a thermometer.

How often shall abandon ship- and fire drills take place on board passenger ships?

What is the requirement with regard to Familiarisation on board?

Which of the methods given in the options should be used to test a remote reading temperature gauge for the auxiliary boiler exhaust gas?

Why do we use stabilisers on passenger ships?

When discharging a liquefied gas carrier it is normal to leave a small amount of liquid cargo in the tanks. This is then used to help keep the cargo tanks cold on the ballast voyage. What is the normal term used for this small quantity of cargo that is left in the tanks?

What are the advantages of ballasting double bottom ballast tanks by gravity filling on a Bulk Carrier?

Where would you look to find details of the crude oil washing system, its equipment and operating procedures? ,

Some refrigerated cargoes can be more easily damaged than others due to rough handling. From the options given, select the cargo which is most likely to be damaged due to the use of poor handling techniques.

The superstructure and deck houses of passenger ships carrying more than 36 passengers shall be divided into main vertical zones by

If an enclosed space needs to be entered, what is the first thing that must be done?

What is the purpose of "Glycol Water Heating"?

What name is given to the technique of combining a light mixture with a heavier one, without beating or stirring, but lifting gently from underneath with a spatula or spoon, in an "over and over" circular motion?

A fully refrigerated liquified gas carrier, equipped with membrane tank with MARVS less than 0.7 bar and cargo temperature of less than -10 C. What type of barrier is required?

What do you understand by: Bitter end?

Which of the following terms describes the cooking technique where food, such as a portion of fish, is placed in a shallow dish and partially covered by a liquid and then brought to and maintained at a temperature just below the boiling point?

In the event of an accidental or other exceptional discharge into the sea of a Noxious Liquid Substance or mixture containing such a substance, an entry shall be made in the Cargo record Book. What details must be recorded?

Which statement about the garbage record book is true?

What can be the punishment for a subordinate who unlawfully brings intoxicating beverages on board?

In a diesel engine lubrication system the circulating pump pump normally takes suction from the oil sump tank. Where does the oil pass to directly after the pump?

The sign on the image indicates:

A vessel is scheduled to enter a SECA during a forthcoming voyage? What additional considerations must a Chief Engineer take into account when planning for this voyage?

What arrangement may be installed in passenger ships to reduce unsymmetrical flooding in damaged condition?

Give clear, direct instructions in an emergency, and show passengers exactly what they need to do. What is the most important reason for doing this?

Which of these is not a Cargo Transport Unit under the IMDG Code?

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…

Prior to loading general cargo what must be ensured with regard to lashing wires, terminations, shackles, turnbuckles, pad eyes and D rings?

On a container vessel what action should be taken if a tank container of liquid ammonia is engulfed in fire

What would affect the proper functioning of a bridge fitting?

For what purpose might 'line displacement' or 'line pressing' be conducted prior to the discharge of cargo from an oil tanker?

Why is it important to recognize the language of the passengers?

During cargo operations, involving perishable cargoes, deck officers should be aware that the cargo is subject to the effects of the weather and ambient conditions. From the options given, select the one which is likely to cause the most rapid temperature change in a refrigerated commodity.

Very roughly, the gas mixture from Crude Oil can be represented by the hydrocarbon gas Propane. What is the approximate upper flammable limit(UFL) of crude oil vapours by volume in air?

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?

A 3-phase cage rotor induction motor requires protection by a time delay overload trip. What is the reason for this?

You are alongside, port side to, about to commence loading several grades of chemicals. The Duty Officer instructs you over the walkie-talkie to proceed to the port manifold and open the valve to 4 port line. When you get there, there is no hose connected to that line. What will you do?

Which of the following statements is correct?

Many water tube boilers feature so called screen tubes. What is the purpose of these screen tubes?

What is the approximately efficiency of the ejector?

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?

What would you do if you saw a person falling overboard?