Тест по Engine department for all types of vessels (CES v6.0)
Test results
The test consisted of 80 random questions.
Total questions on this topic: 171
Total questions on this topic: 171
Your result: 54%
Right answers:
1
Part of the outer surface of a refrigeration compressor crankcase and the refrigerant return line near the compressor ice up heavily during normal operation. Which of the options given is the most likely cause of this problem?
Your answer is correct:
The superheat control setting for the thermostatic expansion valve is set too low.2
What contributes most to rust formation on vehicles/Ro-Ro units?
Your answer is correct:
Cargo hold ventilation systems and associated ducting.3
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?
Your answer is correct:
Yes, even if he/she did not die while onboard.4
During mooring operations which is the safe place to be in?
Your answer is correct:
Outside the colored zone.5
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?
Your answer is correct:
30 litres per nautical miles.6
When is it compulsory to use emergency wires/fire wires for mooring the vessel?
Your answer is correct:
During loading/discharging of persistent/non-persistent oil.7
At least how often shall rescue boats be launched with their assigned crew and manoeuvred in the water?
Correct answer:
Every 3 months.Your Answer:
Every 6 months.8
Other than the official log book what other publications must be carried on board of a vessel?
Correct answer:
Charts, nautical publications, GMDSS log, Oil Record book(s).Your Answer:
The official log book and crew agreement are the only two publications which must be carried on board.9
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).
Correct answer:
3 hours.Your Answer:
6 hours.10
During crude oil washing of No: 1C tank the duty deck officer reports that the oxygen reading in the tank is 9 %. What should you do?
Your answer is correct:
Stop the washing process and not resume until the oxygen content in the tank below 8 %.11
What are we seeing here?
Correct answer:
A sailing vessel less than 20 metres in length, displaying the optional combined lantern in lieu of standard sailing lights, seen head on.Your Answer:
A sailing vessel, seen from astern, where the edges of her sidelights are both visible.12
The circuit consists of two inductors, L(1) = 6 H and L(2) = 12 H, connected in parallel. Calculate the equivalent L(S) of the two inductors:
Correct answer:
L(S) = 4 H.Your Answer:
L(S) = 18 H.13
When is a tank gas free?
Your answer is correct:
A tank is only to be considered as gas free when no traces of flammable and/or poisonous gas are measured and in addition O2 content is measured to be 21 %.14
What action should be taken if the heat transfer capacity of a heat exchanger operating as a lubricating oil cooler is reducing?
Your answer is correct:
The heat transfer surfaces should be cleaned.15
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.
Your answer is correct:
R(S) = 18 ohm.16
What is the MARPOL definition of a “high-viscosity substance”?
Correct answer:
A noxious liquid substance in category “X” or “Y” with a viscosity equal to or greater than 50 mPas at the unloading temperature.Your Answer:
A noxious liquid substance of any category with a pour point of greater than 37,8 degrees Celsius.17
You are the Officer in Charge during the loading of a tanker at a terminal in the Persian Gulf. The deck watchman reports “There is a lot of oil on the water to starboard”. What should be your FIRST action?
Correct answer:
Tell the jettyman to stop loading immediately.Your Answer:
Call the Master.18
Diodes are widely used in rectification, or the conversion of alternating current to direct current. The sinusoidal input voltage V (in) is applied to the circuit shown. Which of the output voltages is correct?
Your answer is correct:
Figure 1.19
The picture shows a common used 3,5 inches diskette type for storing data. What is the data storing capacity for such diskette?
Correct answer:
1,44 MB.Your Answer:
20 MB.20
If a seaman has to walk across a stow of cartons containing perishable foodstuffs what should he do to minimise the risk of damage to the contents? Select the most appropriate option from those given.
Correct answer:
He should step on the comers of the cartons.Your Answer:
He should step on the middle of the cartons.21
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?
Your answer is correct:
Preferably light colour.22
What does wet washing mean?
Your answer is correct:
The bottom washing starts whilst there is still a small amount of cargo in the tank.23
When discussing the properties of an oil cargo, what is the “wax content”?
Your answer is correct:
The percentage of paraffinic wax by volume, based on a representative sample of the crude oil.24
When will a hatch cover cross-joint wedge need replacement?
Correct answer:
When the flat spring is missing.Your Answer:
When the wedge is rusty.25
What will you do if the heat transfer capacity is dropping, and we know that flow and heat energy corresponds to the specifications?
Your answer is correct:
Use the “cleaning in place” arrangement to open the heat exchanger for visual inspection and manual cleaning.26
If your vessel was to load sugar which of these situations would result in the cargo holds failing inspection?
Correct answer:
Traces of insect infestation in the bilges.Your Answer:
Hardened rust spots on the lower bulkhead stool and hopper tank plating.27
Which is the preferred method for starting an air conditioning refrigeration compressor which has been shut down for a period of time?
Correct answer:
Start with suction valve throttled in to minimise risk of drawing liquid refrigerant into the compressor.Your Answer:
Start with the discharge valve throttled in to prevent excess condenser pressure.28
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?
Your answer is correct:
To prevent the steam and water in the boiler from discharging out by the feed line, if a feed line fracture or a joint in the line blows.29
Indicate the correct name for the tool:
Your answer is correct:
Water pump pliers.30
1 GHz is equivalent to:
Your answer is correct:
1 000 000 000 Hz.31
The Master is responsible that all crew participate in monthly emergency drills. If 25 % of the crew (or more) has not participated in such drill during the last month, what is the time limit to conduct such a drill after the vessel has left a port?
Your answer is correct:
Within 24 hrs.32
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?
Your answer is correct:
Clean the heat exchanger.33
Considering the range of sensitive liquid chemicals which routinely require wall-wash prior to loading, what product is mainly used as the rinsing agent in wall-washing?
Your answer is correct:
Methanol.34
Normally ventilation fans in enclosed ro-ro spaces must be run continuously whenever vehicles are on board, why?
Your answer is correct:
An increased number of air changes may be required when vehicles are being loaded or unloaded, or where flammable gases or liquids are stowed in closed ro-ro spaces.35
A rocket parachute flare reaches an altitude of:
Correct answer:
Not less than 180 m.Your Answer:
Not less than 300 m.36
On the figure possible definitions of the term “HEIGHT” are given. Which one is the correct one?
Correct answer:
Height is given by D on the figure.Your Answer:
Height is given by B on the figure.37
What symptom would you think shows that the freon filter drier has become blocked?
Correct answer:
A large temperature drop across the drier.Your Answer:
Pressure rise before the drier.38
Does the Health & Safety Executive (HSE) have authority in dealing with shipping matters?
Correct answer:
The HSE has authority only where an interface exists between the ship and shore e. g. means of access regs. In a serious case, they would contact the local Marine Officer.Your Answer:
They have exactly the same powers as that of a Marine Officer.39
What nominal filling restriction exists under the IBC Code for a single tank on a type 3 chemical tanker? Not counting structural, capacity or cargo specific limitations.
Your answer is correct:
There is no filling restriction for a type 3 chemical tanker.40
A lifejacket is so constructed that a person can correctly do it within a period of:
Your answer is correct:
1 min.41
What is the purpose of the unscheduled inspectors on board ships?
Correct answer:
To determine whether the ship is seaworthy.Your Answer:
Mainly to determine whether the manning regulations have been adhered to.42
You are in open water and clear conditions. You are approaching the pilot station when you hear this signal from a vessel ahead of you. What does it signify?
Correct answer:
That the vessel is operating astern propulsion.Your Answer:
That the vessel is picking up his pilot.43
When there is doubt about the freshness of the atmosphere in enclosed or confined spaces, what actions should be taken?
Your answer is correct:
Arrangements should be made for testing of the atmosphere to ensure maintenance of 21 % oxygen and a carbon monoxide content below 50 ppm in the atmosphere of the space.44
The frequency 121,5 MHz is used for:
Correct answer:
SARSAT-COSPAS EPIRBS.Your Answer:
INMARSAT E EPIRBS.45
What is polymerisation?
Correct answer:
The process by which unsaturated chemical compounds are heated under pressure, causing the molecules to react with each other and form larger molecules.Your Answer:
The process by which saturated chemical compounds react as pressure is released during heating, causing the molecules to react with each other and form larger compounds.46
What is a good practice when lineblowing/pigging from shore?
Your answer is correct:
There must always be one man on the ship’s manifold, operating the manifold valve in order to avoid to much pressure raise in the tank.47
Which of the below statements characterizes the most significant differences between a water-tube boiler and a fire-tube boiler during operation?
Your answer is correct:
Water-tube boilers are more efficient and contains less water. They suffer from major damages when run dry during operation.48
Which of this information must be included in a piracy attack alert?
Correct answer:
Your ship’s name and call sign.Your Answer:
The type of weapons being carried by the pirates/highjackers.49
Which one of the listed requirements regarding fire protected lifeboats do not correspond to present regulations? Water spray systems shall:
Correct answer:
Have separate draining pumps of sufficient capacity.Your Answer:
Have means for “turn on/turn off” the flow of water over the exterior of the lifeboat.50
Which of the following is a chemical commonly added to cleaning substances used to clean galley areas?
Your answer is correct:
Bleach.51
In which way may intake of poisonous material occur?
Your answer is correct:
All mentioned.52
What is the minimum capacity of the portable tank of a portable foam applicator?
Correct answer:
1 litre.Your Answer:
10 litres.53
What is a steering wheel?
Your answer is correct:
A helm used to steer the ship.54
When carrying LNG cargoes it is useful to have information about its thermodynamic properties. What is a common source of information that can be used to obtain values for a wide range of these properties?
Correct answer:
A Mollier chart.Your Answer:
Material safety data sheet.55
A bulk carrier is loading to complete on summer draught of 10,00 m when in salt water; the vessel is loading in river water; The dock water allowance is 80 mm; The maximum draught when loading is completed is:
Correct answer:
10,08 metres.Your Answer:
10,80 metres.56
In a smoke filled alleyway where will the cleanest air be found, and how should you proceed out?
Your answer is correct:
Near to the deck, crawl out keeping your face as near to the deck as possible.57
What is the purpose of the “Mud Box” on a tanker?
Your answer is correct:
It is at the end of the pipeline in the tank and restricts any particles and solids entering the pipeline system.58
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?
Your answer is correct:
Send a distress message and collect survival suits/thermal bags.59
At what calendar interval is a “Special Survey” required?
Your answer is correct:
Bleach.60
What are the requirements regarding slop tank capacity on combination carriers with smooth walls (bulkheads)?
Your answer is correct:
Not less than 1 % of the oil-carrying capacity of the ship.61
Why are all RoRo passengers ships divided into vertical “zones”?
Your answer is correct:
Vertical zones are fire zones which can be divided from each other with fire doors. In case of fire, all fire doors in front and aft of the fire will be closed to prevent spreading of smoke/fire.62
High Voltage (HV) cables are smaller than low voltage cables for a given power rating. Why is this?
Your answer is correct:
The HV cable carriers a smaller current and therefore requires less copper.63
What is the meaning of the following symbol?
Correct answer:
Secure hatches.Your Answer:
Close rescue boat ventilation aperture.64
If oil out of the bowl casing drain of a solids ejecting separator what is the most likely problem?
Correct answer:
Insufficient amount of bowl closing water.Your Answer:
Oil has been fed to the separator before full speed.65
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?
Correct answer:
The accumulated water is to be drained periodically and the scupper plugs to be immediately closed once the water has been run off. Water containing oily residues is to be transferred to a slop tank or other suitable receptacle.Your Answer:
The accumulated water is to be transferred to a spare tank.66
According to the rules of GMDSS vessels are equipped with certain radio-communication devices depending on:
Correct answer:
The sea areas.Your Answer:
Their tonnage.67
What is the purpose of adding inhibitor to the individual cargo?
Your answer is correct:
To assure all oxygen is removed from cargo tank and avoid chemical reaction.68
Why did they order another tug?
Your answer is correct:
Because they wanted to make sure that the ship could be turned safely.69
On a container vessel, where should a mid-bay guide be positioned?
Your answer is correct:
On the tank top mid-way in 40′ guides to prevent transverse movement of 20′ containers.70
What is understood by the term “take the helm”?
Your answer is correct:
Take over the steering of the ship.71
Which is the “PANAMA LEAD”, in the figure?
Correct answer:
The Panama Lead is indicated by C, in the figure.Your Answer:
The Panama Lead is indicated by D, in the figure.72
Falls used in launching shall be turned end for end at an interval of not more than X months and to be renewed not later than every Y years, where the intervals are:
Correct answer:
30 months/5 years.Your Answer:
6 months/2 years.73
What is the status and function of a Panama canal pilot?
Your answer is correct:
He shall have control of the navigation and movement of the vessel.74
What is the purpose of the LD (low duty) compressors on an LNG carrier?
Correct answer:
To handle the LNG boil-off vapour for fuelling the boiler.Your Answer:
To deliver inert gas and to aid cooling down of the cargo tanks.75
Which one of the listed requirements for passenger ships regarding personal life-saving appliances do not correspond to present regulations?
Correct answer:
All lifejackets shall be fitted with a whistle, a light and a smoke signal.Your Answer:
Ro-ro passenger ships shall carry at least 2 lifebuoys provided with self-igniting lights an self-activating smoke signals.76
How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?
Correct answer:
Two, and at least one of the rescue boats shall be a Fast Rescue Boat.Your Answer:
One Fast Rescue Boat.77
What is the correct chemical name for Caustic Soda in liquid form?
Correct answer:
Sodium Hydroxide solution.Your Answer:
Sodium Chlorate solution.78
The death of a passenger occurs on board, what legal actions must be taken by the Master?
Correct answer:
First aspect confirm death. Notify company, and next-of-kin, and if on board to be advised and comforted as may be required. Arrange to have body moved to freezer area. Notify local agents and British Consul when abroad. Entry to be made in Record of Births and Deaths.Your Answer:
Confirm death. Have body moved to a freezer compartment. Contact local agent and British Consul as appropriate. Complete narrative section of Official log book. Make an entry in the deck log book detailing actions taken.79
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?
Correct answer:
Every 5th year.Your Answer:
Annually.80