Test results
The circuit consists of two inductors, L(1) = 6 H and L(2) = 12 H, in series. Calculate the equivalent total inductance L(S).:
What do you understand by the term “Terminal Representative”?:
When will a ro-ro vessel pitch heavily?:
Between a complete removal and a renewing of floor polish what can you do to maintain a PVC floor surface?:
What is a good practice when lineblowing/pigging from shore?:
What is the purpose of the LD (low duty) compressors on an LNG carrier?:
The frequency 121,5 MHz is used for:
In case of diesel driven fire pumps, for how long shall the fuel tank capacity allow the pump to be run at full capacity? (SOLAS II-2/4.3.3.2.3).:
During mooring operations which is the safe place to be in?:
What is the colour of the smoke signal used by life-saving stations or rescue units indicating that distress signals are observed in daylight?:
What are we seeing here?:
In respect of washings from the cargo area of an oil tanker, what is the maximum instantaneous rate of oil that can be pumped into the sea when a vessel is outside a special area, proceeding en route, has in operation a monitoring and control system for the discharge of oil and is located more than 50 nautical miles from the nearest land?:
What could be the possible cause of an engine knocking?:
Can a British Consular official detain a vessel whilst in a foreign port?:
If oil flows out of the bowl casing drain of a solids ejecting separator what is the most likely problem?:
This circuit consists of two resistances, R1 = 6 ohm and R2 = 12 ohm, connected in series. Calculate the equivalent resistance R(S) of the two resistances.:
Which of the below statements characterizes the most significant differences between a water-tube boiler and a fire-tube boiler during operation?:
What is the main vitamin found in flour and grain products?:
Which class of emission is used for FEC NBDP transmissions?:
With two alternators operating in parallel at 75 % load capacity, one trips without any warning. What is the first action that should be taken?:
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?:
What types of fire extinguishers shall be used in the engine room?:
When is it compulsory to use emergency wires/fire wires for mooring the vessel?:
Which electronic component does this graphical symbol represent?:
In a smoke filled alleyway where will the cleanest air be found, and how should you proceed out?:
According to SOLAS Regulation all dedicated seawater ballast tanks on oil tankers shall have an efficient corrosion prevention system such as hard protective coatings or equivalent. With regard to coatings do SOLAS set any requirement to colour?:
On the figure possible definitions of the term “HEIGHT” are given. Which one is the correct one?:
On a RoRo vessel carrying no more than 36 passengers, what is the minimum capacity of the ventilation system protecting standard cargo spaces intended for carriage of motor vehicles with fuel in their tanks for their own propulsion.:
Is the master under obligation to do a maritime inquiry if a crewmember suffered a considerably injury onboard and died after a week on a hospital ashore?:
Reduced capacity accompanied by vibration and noise at the suction of a centrifugal pump results from the action of vapor pockets in the fluid being pumped caused by:
Feed check valves for main and auxilliary purposes are normally of the double shut off type, as shown in the diagram. What is the main function of the non-return valve?:
How can the error of the Gyro compass be determined?:
What is the MARPOL definition of a “high-viscosity substance”?:
What will you do if the heat transfer capacity is dropping, and we know that flow and heat energy corresponds to the specifications?:
Which of the given options characterizes a 2-stroke diesel engine?:
Which is the “Fairlead”, in the figure?:
You are in an area of restricted visibility and hear this signal. It is repeated at two minute intervals. What does it indicate?:
What significant change to the requirements for the carriage of Vegetable Oils in tankers was introduced by the amendments to MARPOL and the IBC Code on 1st January 2007?:
What is the main requirement of a lookout posted on the bridge?:
If the heat transfer capacity in a heat exchanger is dropping, the following action should be taken:
At least how often shall rescue boats be launched with their assigned crew and manoeuvred in the water?:
What is polymerisation?:
According to the industry guidelines in the ISGOTT Guide and assuming terminal regulations do not require otherwise, what action should be taken to drain accumulated water from the deck during cargo handling operations in rainy conditions?:
Your vessel have been in collision with another vessel. You are taking in water and you have to prepare for leaving the vessel. How will you act?:
At what calendar interval is a “Special Survey” required?:
What should you do if the temperature of Hydrogen Peroxide Solution 65 % carried is raising 2 °C per 5 hours and the temperature is above 40 °C?:
Which one of the listed requirements for passenger ships regarding personal life-saving appliances do not correspond to present regulations?:
When lashing general cargoes why are short lashings preferred to long ones?:
Which is the preferred method for starting an air conditioning refrigeration compressor which has been shut down for a period of time?:
On a container vessel, where should a mid-bay guide be positioned?:
Which of the following is a chemical commonly added to cleaning substances used to clean galley areas?:
The death of a passenger occurs on board, what legal actions must be taken by the Master?:
Which one of the listed requirements regarding enclosures of totally enclosed lifeboats do not correspond to present regulation? The enclosures shall be provided with:
What contributes most to rust formation on vehicles/Ro-Ro units?:
What symptom would you think shows that the freon filter drier has become blocked?:
You have just joined a chemical tanker. Where would you find a description of the ship’s cargo handling equipment, details on the ship’s cargo unloading procedures and tank stripping and details on procedures relating to the cleaning of cargo tanks, the discharge of residues, ballasting and deballasting?:
Sea area A4 is in maritime radio traffic sea area:
Cargo gear/cranes should at regular intervals be thoroughly examined and load tested by a recognised company/yard. How often should such examination/load test take place?:
What is the correct name of the tool shown in the sketch?:
What is the fog signal for a vessel which is engaged in towing?:
What is important to check when transferring a position from the GPS output to a paper chart?:
A coated tank holds 400 tons of sea water when filled. How many tons of liquid of liter weight 0,9300 will it hold when filled to 90 % capacity?:
Give the meaning of the following symbol:
A section of seawater pipe has been removed for maintenance. When refitting the pipe after completing the work the bolt holes in the flanges are found to be misaligned. What procedure should be followed to finish the work?:
In the case when the temperature of the ambient air is equal to 10 °C and the wind is blowing at a speed of 10 m/sec the shipwrecked person must consider that the effect of air on his body is equivalent to that of an air whose temperature would be approximately:
A vessel’s forward draught reading is 8,50 m a correction factor of 0,0242 m; draught marks are painted abaft the forward perpendicular. What is the corrected forward draught if the vessel is trimmed by the stern?:
When 3 phase alternators are operating in parallel, it is very important that the reactive load is evenly shared so that the total alternator loads are evenly shared. If the total alternator load is the vector sum of active and reactive loads, which side of vector diagram (power triangle) shown represents the reactive load?:
There are many types of pumps fitted onboard ship which an engine room rating may be required to assist with the maintenance of. Which type of pump is shown in the illustration?:
On a RoRo vessel, when loading Double Stacked containers on Maffi Trailers how many twist locks should have used between 2 containers?:
What is the correct chemical name for Caustic Soda in liquid form?:
Which is the “PANAMA LEAD”, in the figure?:
According to 33 CFR 156, oil tankers trading in US waters are required to test and document the testing of cargo transfer hoses and transfer pipe system. What is the minimum requirement when testing these components?:
What is the most likely reason for vibration and noise at the suction side of a centrifugal pump when it is running?:
Is it necessary to construct a passage plan (or voyage plan), for transiting a canal or river, when under pilot?:
What action should be taken if the heat transfer capacity of a heat exchanger operating as a lubricating oil cooler is reducing?:
What action would you take if the performance of a plate type heat exchanger was falling off even though flow rates and pressures of the primary and secondary fluids were normal?:
In the type of fluorescent lamp system shown in the illustration, the role of the starter is to perform which of the following?:
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?:
This circuit consists of two capacitors, C(1) = 6 μF and C(2) = 12 μF, in series. Calculate the equivalent C(S) of the two capacitors.:
Which one of the listed requirements regarding fire protected lifeboats do not correspond to present regulations? Water spray systems shall: