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在线测试： Test online CES 5.1 for 2nd-Off / 3rd-Off, Passenger vessel
在线测试
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该测试由有关选定主题的随机问题组成。
问题 1 从 90
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When the fire alarm signal is sounded every member of the ship's crew shall immediately proceed to their assigned fire station. Which one of the following signals is used as fire alarm signal on board cargo ships?
Intermittent signals by the ship's alarm bells.
Continuous blasts (very long blasts) by the ship's whistle and alarm bells.
Seven short blasts followed by one long blast by the ship's whistle and alarm bells.
One long blast with the ship's whistle and alarm bells followed by seven short blasts.
Which of the following statements is NOT correct about high expansion foam?
You can survive in H.E. foam by breaking the bubbles to release the air.
It extinguishes by smothering.
It has only a limited cooling effect.
You cannot survive in H.E. foam as the oxygen content is reduced.
What fixed fire fighting medium do we normally use in the engine room, pump room and other spaces?
The fixed fire fighting medium in engine room, pump room etc is water
The fixed fire fighting medium in engine room, pump room etc is foam
The fixed fire fighting medium in engine room, pump room etc. is Carbon Dioxide CO2, Halon or foam
The fixed fire fighting medium in engine room, pump room etc is chemical powder
The pressure in a flexible hose must be set up
Before it is being laid down
After it has been laid down
All answers are correct
While it is being laid down
Regular ‘updating’ of a vessel’s position in an Inmarsat-C installation is among others things important:
To guarantee reception of NAVTEX-reports in areas where normal NAVTEX-facilities are not available
To guarantee reception of NAVTEX-reports
To guarantee assistance in emergency
To restrict NAVARAE-reports
What data is at least requested in a DSC “distress alert” ?
the identification of the vessel in distress and her position
Don't know
the identification of the vessel in distress and the number of people on board
the identification of the vessel in distress, her position and the nature of distress
A polarisation of a radio wave is determined by:
Length of the aerial
Condition of the aerial
Height of the aerial
Position of the aerial
A Cargo Ship Construction Certificate will be issued for :
A period not exceeding 12 months
A period not exceeding 48 months
A period not exceeding 6 months
A period not exceeding 24 months
What is the search pattern system called where 1 ship and 1 plane are involved ?
Coordinated Crab
Patterton
SOLAS
Flight Cross
Two lines sent out and pretensioned equally have the same length, same breaking strength and same directional load. However, one is made of wire (which has a full load elastic elongation of about 1.5 % of its length) and the other made of nylon (which has a full load elongation of about 30 % of its length). If a sudden gust of wind increases the load on the lines, this increased load will be shared as follows:
Wire takes 55 % of the extra load. Rope takes 45 % of the extra load
By the wire and rope equally
Wire takes 45 % of the extra load. Rope takes 55 % of the extra load
Wire takes 95 % of the extra load. Rope takes 5 % of the extra load
You are about to pass another ship in a close situation. What can happen in this situation?
Due to suction, the two ships will be sucked together
The two ships will be pushed towards the banks
The bow of your ship will be sucked towards the stern of the other ship
Your ship will not be affected in this situation
In the situation shown, the bow of your ship is pushed away from the bank. How can you handle this?
Give hard port rudder to get the ship back in the middle of the channel
Give starboard rudder in order to balance the force of the bank effect and rudder effect
Put your engine full astern to stop your ship
Do nothing as the ship will handle itself
In shallow water a ship will experience "Squat". What are the principle reasons creating the effects of squat?
There are changes in the bow and stern pressure fields associated with the ships motion.
There is an increase in the water velocity and a decrease of water pressure around the ship's hull
There is a decrease in the water velocity and an increased of water pressure around the ship's hull
There is an increased effect of gravity due to closeness of the sea-bed
You are sailing in shallow water, with 15% Under Keel Clearance. Turning the ship around, what space do you need compared to deep water?
The turning diameter of your ship is the same for all water depths
Need less space than normal
Need more space than normal
To port less, to starboard more space
What is the status and function of a Panama canal pilot?
He is an advisor to the vessel's master
He shall have control of the navigation and ship handling.
He will take over all the responsibilities of the master on embarkation
He will be responsible for canal crew mooring gangs and use of locomotives during lock transits
Are there any restrictions regarding length, breadth or draft in the Panama Canal?
There are no restrictions, but a pilot is required for the whole transit.
Restrictions regarding length and breadth exists. Draft restrictions vary with seasonal changes.
Tankers and military vessels are not accepted for transit.
Transits are left to the masters discretion, but the canal authorities will assign turn number and monitor traffic.
The OOW is expected to double-check the whole voyage plan?
Yes
No
Only the coastal part
Only if no ECDIS is used
What is understood by the term "Balanced Rudder"?
A rudder with equal rudder area forward and aft of the turning axis, the turning axis being at the geometrical centre of the rudder area
A rudder with part of the rudder area forward of the turning axis, therefore reducing the load on the steering motor.
A rudder which is operated by two steering motors providing equal amounts of thrust to the rudder
A rudder with an additional flap attached the training edge to improve the rudder efficiency
Which item among those below is included in the normal equipment of every lifeboat ?
a VHF transceiver
one immersion suit for each person
sea-charts and navigating equipment
one set of fishing tackle
An alarm signal consisting of seven short blasts followed by one long blast is sounded by the ship's whistle and the alarm bells. What are you to do?
Go to your lifeboat station (muster station).
Report on the bridge (deck crew) or engine control room (engine crew) for further orders.
Go to your fire station.
Go to (or remain in) your cabin and wait for further orders.
*Which of following items shall be included in an abandon ship drill?
Checking the distress signal rockets and other distress signals
ensuring that passengers and crew are made aware of the order to abandon ship
Checking the lifeboat provisions and supplies
Checking passenger's immersion suits
Which of following items shall be included in an abandon ship drill?
Checking the distress signal rockets and other distress signals.
Checking passenger's immersion suits.
Checking the lifeboat provisions and supplies.
Checking that lifejackets are correctly donned.
What kind of foot wear should be used when working on deck and in the engine room?
Sandals or plimsolls
Safety shoes or safety boots
Tennis shoes
Rubber boots
You are in an area of restricted visibility and hear this signal. It is repeated at two minute intervals. What does it indicate?
That there are two more vessels nearby.
That there is another vessel in the vicinity and that she has just altered course to port.
That there is another vessel nearby, that she is underway, but stopped and making no way through the water.
That there is another vessel nearby, but that she is at anchor.
You are proceeding along a narrow channel behind another vessel. You have a higher speed and have signalled your intention to the vessel ahead that you intend to overtake him on his port side. The vessel responds with this sound signal. What does it mean?
That the vessel suggests I overtake on the starboard side instead.
This is a signal intended for another vessel or shore station. It is nothing to do with our vessel.
That the vessel is indicating her agreement with my proposed manoeuvre.
That the vessel does not agree with my proposed manoeuvre.
One water fog applicator is required for each pair of breathing apparatus on board which type of ship?
Passenger ships fitted with car decks
Tankers
Chemical tankers
Passenger ships carrying more than 36 passengers
A bulk carrier is loading to complete on summer draught of 10.00m when in salt water; the vessel is loading in river water; The dock water allowance is 80mm ; the maximum draught when loading is completed is??
10.80metres
10.08 metres
11.24 metres
9.92 metres
What is the approximately boiling point of LNG at atmospheric pressure?
Approximately -160 C.
Approximately -170 C.
Approximately -140 C.
Approximately -150 C.
In oil tanker operations, what is understood by the term "Load On Top"?
Loading part of an oil cargo in one port, then loading the same type of cargo "on top" in a subsequent port.
Loading a new compatible cargo "on top" of the oil and water residues from a previous cargo in the sloptanks
Loading an oil cargo into the tanks tanks through hoses inserted through the tank hatches and lashed in position
Loading part of an oil cargo in one port, then loading a different type of cargo "on top" in the next loadport
What are the required data inputs into most gyro compasses to reduce any possible compass error?
All of the data in the suggested answers
Latitude and Speed
Maximum helm angle and rolling period
Deviation and Variation
Many LPG carriers are designed to carry the cargo in a fully refrigerated condition. What is the normal maximum cargo tank pressure on a fully refrigerated LPG carrier?
10 bar gauge pressure.
18 bar gauge pressure.
0.7 bar gauge pressure.
7 bar gauge pressure.
You have recently discharged a cargo of Isoprene and the tank has now been cleaned. There is still a strong smell of Isoprene vapour from deck. Can you save some time and use a mask fitted with an "Inorganic Gases and Vapours" filter to enter the tank for mopping and inspection?
No. Filter masks are not permitted for enclosed space entry where the oxygen content of the atmosphere may be insufficient to sustain life.
No. Entry into a tank which previously contained Isoprene requires the use of a filter for "Organic Gases and Vapours".
Yes.
Yes, provided mechanical ventilation continues whilst you are inside the tank.
Temperatures are often measured by using platinum resistance thermometers. The characteristics shown are all calibration curves for such devices. Which of them is a calibration curve for a P T100 sensor?
Figure 3
Figure 4
Figure 2
Figure 1
What are the more likely causes of damage to the cargo holds internal structure on a General Cargo vessel?
Damage may be caused by fork lift truck operations and loading/discharge of heavy cargo
Water entering hold in bad weather
Leakage of small amounts of cargo from drums
Lightweight cargo being loaded on top of heavy cargo units
What arrangement may be installed in passenger ships to reduce unsymmetrical flooding in damaged condition?
Self acting ballast trimming arrangement
Separate trim tanks
Ballast trimming system
Cross flooding arrangement
A simple level control for a water tank consists of a horizontal lever with a float at one end and a filling valve at the other. The lever is provided with an adjustable pivot positioned between the valve and the float. How will the 'offset' in the system be affected under changing demand conditions if the pivot is moved closer to the filling valve?
It will increase the offset across the demand range.
It will reduce the offset on low demand but increase it during high demand.
It will increase the offset on high demand but reduce it on low demand.
It will reduce the offset throughout the demand range.
After washing with fresh water how would you know whether salt remains in the cargo holds of a Bulk Carrier?
By carrying out a visual inspection of the cargo holds
By carrying out silver nitrate tests which should turn milky in the presence of chlorides
Using silver nitrate which should remain colourless in the presence of salt
By appointing a surveyor to inspect the cargo holds
On a Container vessel, what are the limitations of Cargo Securing Manuals?
They are not always approved by a classification society
They are drafted whilst the ship is still under construction and need to be checked against the ship's 'as completed' condition in order to be fully reliable.
Some Cargo Securing Manuals cover a full range of sister ships
Cargo securing arrangements in the manuals may be unsuitable for heavy weather conditions
On a Container vessel, what is the purpose of fixed stacking cones?
To prevent the horizontal movement of 40'containers at tank top level
To prevent horizontal movement of 20'containers in 40' cell guides
To prevent movement of 20'and 40' containers at deck level
To prevent the horizontal movement of 20'containers at tank top level
When we are measuring viscosity with a restricted flow viscometer, the preerred sensing device is:
Capillary tube
Bourdon tube
Capacitance probe
Rotating cylinder
You are approaching a port in a snowstorm. You hear this signal. What kind of vessel is it and what is it doing?
It comes from a vessel restricted in her ability to manoeuvre.
It comes from a vessel engaged in pilotage duties and it is making way through the water.
It comes from a vessel at anchor, less than 100 metres in length.
It comes from a vessel engaged in pilotage duties at anchor, over 100 metres in length.
What do iron ore, flourspar, fishmeal, lead concentrate and cement copper have in common?
These are cargoes that may liquefy
These cargoes are liable to shift when dry
The cargoes are not listed in the BC Code
Residues to these cargoes are governed by MARPOL 73/78
The Master arrives on the bridge obviously under the influence of alcohol and states he is taking over the "con" of the ship. What actions should the Officer of the Watch (OOW) take in this situation?
Tell the Master you do not think this is a good idea and retain control of the watch.
Watch the actions made by the Master and if not dangerous, wait until the Master becomes more capable to take control or leaves the bridge
Tell the Master you consider him incapable of taking over the responsibility of the watch and that he should retire to his cabin and sleep it off.
Attempt to diplomatically avoid taking any actions that would put the ship or crew into danger and call the Chief Officer for assistance.
The figure shows a silicon controlled rectifier with a RC circuit connected in parallel. RC circuit is often used in such connection. For which purpose?
Protect the SCR against damage caused by high voltage spikes
Obtain current resonance
Measuring the current through the SCR
Delay the ignition of the SCR
Too high exhaust temperature in one cylinder becomes because of:
Charge air temperature is too high.
Water leakage in the cylinder.
Too much lubricating oil in the cylinder.
Injection valve opening pressure is too low.
What basic information do we get from the pump system curve?
We get information about the pump's liquid flow.
We get information about the pump's ampere, delivery pressure and suction height.
We get information about the pump's lifting height and lifting flow.
We get information about the pump's suction height and liquid flow.
A clogged / dirty lube oil filter can be detected best by:
The pressure drop across the filter.
Visual inspection of the filter elements.
A decrease in oil viscosity.
High lube oil temperature.
What term is applied to the technique of removing a portion of fish from the bone?
Felting.
Filling.
Filleting.
Filtering.
The seating surface of a superheater handhole door on a boiler has been damaged due to leakage of superheated steam leaving a cut across the surface. Which repair method, from the options given, would be the most effective?
Machine the surface until the cut has been removed and a new full seating area is formed.
Fit a more pliable gasket to take up the irregularities in the surface.
Build up the cut with weld and re-machine the seat.
Fill the cut with plastic metal and file smooth.
When general cargo is damaged during heavy weather on a General Cargo vessel, which of the following persons should attend on board at the next port?
Surveyor representing the consignee
Class surveyor
Surveyor representing the vessel's hull & machinery underwriters
Surveyor representing the vessel's P. & I. Club
In a circuit diagram of a simple hydraulic circuit, which of the alternatives does the following symbol indicate?
Directional control valve.
Throttle valve.
Pressure relief valve.
Double check valve.
Some centrifugal cargo oil pumps are designed with an automatic stripping system, which allows the cargo oil tank to fully discharge its contents. By what principle does such a stripping system operate?
On the basis that, if cargo vapour can be stopped from entering the cargo pump suction inlet, the flow will continue without cavitation.
By automatically reducing the rate at which oil cargo enters the cargo pump, such that any vapour lifted along with the liquid does not cause a loss of suction.
By the optimum size and positioning of the suction inlet that feeds the automatic stripping system, which ensures that the cargo oil tank is discharged to the maximum possible extent.
On the principle that if the suction is fitted low enough in the cargo oil tank and a specified minimum trim is maintained, suction will be available until the tank is completely discharged.
The deaerating heater is used on
Only low-pressure boilers
The closed-type feed-water system
All steam plants
The open-type feed-water system
On a General Cargo Vessel cargo is be secured using turnbuckles (bottlescrews) and wires; what is the minimum number of bulldog grips that should be used to attach wires to turnbuckles ?
A minimum of three
A minimum of four
A minimum of two
One only is required
On a Container vessel, when will a lashing plate crack or buckle?
When lashings lead vertically from the plate
When the lashings and plate are in the same plane
When the lashings and plate are not in the same plane
When more than one lashing is attached to a plate
For which emergency resource is it difficult to plan the best use?
passengers
company personnel
crew
emergency equipment
What name is given to the "energy" that a person "burns" during the day and which is replaced in the amount and type of food he eats?
Cellulose.
Callibres.
Canapes.
Calories.
What is the definition of "pour point"?
The lowest temperature at which petroleum oil will remain fluid.
The unrestricted fall of liquid into a tank.
The time it takes for tank contents to stop moving.
The highest temperature at which a petroleum oil will remain fluid.
What is the name of the simplest hydrocarbon composed of one carbon atom and four hydrogen atoms?
Methane.
Propane.
Ethane.
Pentane.
Why is an automatic slow turning feature included in the start air system of many large 2 stroke diesel engines?
To avoid damage during start of the engine in case water or other liquid has gathered in the cylinders during an extended stop.
To fill the cylinders with sufficient fresh air to ensure a safe start of the engine.
To check that all indicator cocks are closed before staring the engine..
To reduce the start air consumption during start up of the engine.
From which locations is it normally possible to close watertight doors?
A watertight door can only be closed by a control adjacent to the door
Watertight doors can be closed locally and also a remote control station within the accommodation
Watertight doors can be closed adjacent to the door and remotely from bridge and also one emergency remote control station
Watertight doors can be closed from the bridge and an alarm sounds at the door
On a Container vessel, which of these motions is not taken into account when calculating forces on a container stow?
Pitching
Rolling
Surging
Heaving
Which of the following pump types could be damaged if the discharge valve is closed before the motor is stopped?
Turbine pump
Gear pump
Propeller pump
Centrifugal pump
When setting the tappet clearance (rocker arm clearance) on cylinder cover valves it is important that the engine is turned to the correct position. Select, from the options given, the engine correct position for this procedure.
Each cylinder in turn should be at top dead centre position when setting the valve clearances for that cylinder.
Number one cylinder should be at top dead centre position for setting the clearance for all of the valves on the engine.
The engine should be positioned so that the cam follower for the valve for which the clearance is being set is on the cam base circle.
The engine should be positioned so that the cam follower for the valve for which the clearance is being set is on the cam peak.
Passenger ship engaged in international voyages shall carry through a muster for all passengers. At what latest time after embarkation shall the muster take place?
Before departure
No time limit
4 hours after the passengers embarked
Within 24 hours after the passengers embarked
Under what load condition would sootblowing of the boiler tubes be most beneficial?
When the boiler is firing on low rate.
When the boiler burner is off.
When the boiler is firing on medium rate.
When the boiler is firing on high rate.
Which of the following statements is in compliance with international regulations?
The securing of cargoes must be completed before sailing
The securing of cargoes must be completed within two hours of leaving the berth
The securing of cargoes must be completed before the ship leaves the berth
The securing of cargoes may be completed at anchorage
A new joint is required for a sea water pipe flange and there are no ready made spares. What is the best method for making a new joint from a sheet of rubber insertion?
Use the old joint as a template to mark out the new joint on the sheet of rubber insertion and cut out the joint with scissors.
Cut a piece of rubber insertion with a hole in the middle roughly to size and fit it between the flanges. Hammer the bolts through to get the bolt holes in the correct position.
Measure the flange diameter, PCD and bore using a ruler and callipers and then use jointing scissors and hole punches to form the new joint.
Cut a piece of rubber insertion from the sheet and use a hammer to knock out the holes for the bolts and the bore against the flange.
With which particular form of food poisoning are cream-filled confectionary items particularly associated?
Clostridium botulinum
Salmonella enteritidis
Staphylococcal enterotoxin
Norwalk gastrointestinal virus
What is the main effect on lubricating oil of operating for long periods at excessively high temperature?
It will change the flashpoint of the oil.
It will cause the oil to oxidise, reducing the viscosity.
It will cause the oil to oxidise, increasing the viscosity.
It will cause the oil to evaporate, increasing consumption.
With reference to the text in the frame: what is stated as a threat to lives at sea and the marine environment?
There is no immediate threat to the crew or environment
All old or new ships which are badly managed ships.
All ships aged between twenty and thirty years old.
Bad management and poorly maintained older ships.
To maintain good relationship among the crew on board a vessel, one must be:
Polite and diplomatic while talking to crew members
Give authority to others
Strict and authoritative while giving orders
Understanding, Co-operative, and have respect from both sides
During UMS rounds, a duty engineer notices that the fuel oil overflow observation glass is full of oil. Should he:
Stop all F.O. transfers immediately, and inform the CE.
None of the listed alternatives.
Make a sounding of the F.O. overflow tank and decide if there is enough capacity to leave it until the following morning.
Call a motorman and have him sound the FO overflow tank periodically during the night.
In a single side skin bulk carrier of 155m in length constructed in 2000 and carrying cargo of density 1010 kg/cu.m., which cargo hold can withstand flooding?
The midships cargo hold
The aftermost cargo hold
Any cargo hold
The foremost cargo hold
How can a lead-acid type battery be checked to confirm if it is fully charged or not?
Measure the relative density (specific gravity) of the electrolyte
Measure the temperature of the electrolyte
Measure the level of the electrolyte
Measure the battery voltage
The turbocharger on a diesel engine is surging and making occasional, loud "whoofing" noises. Which one of the options given is the most probable cause of this?
Engine on bridge control.
Rapid changes in engine load due to rough sea conditions.
Exhaust system recently cleaned.
Air leakage from scavenge receiver.
You have just completed discharge of a cargo of Iso-Butanol and are preparing for tank cleaning. The pumpman is going round the deck checking the cargo pump cofferdams for any leakage of hydraulic oil or cargo. What term is applied to this procedure?
Proving.
Stripping.
Venting.
Purging.
What would be the effect of a faulty steam trap on a fuel oil heater causing condensate to build up in the heater exchanger?
An increase in fuel oil temperature.
Low water level in the boiler.
Reduced heating capacity of the heater.
Excess pressure on the shell of the heat exchanger.
When can a partly loaded bulk cargo space be entered when the vessel is at sea?
At any time
On instructions from the CPO (Bosun)
In no circumstances except possibly in an emergency
For hatch cleaning purposes
On a hold inspection of a Bulk Carrier it is noted that a number of transverse frame beam knees are slightly distorted; what is the significance of this?
The distorted areas should be painted
There are no concerns with this observation
This is an indication of excessive bending moment stress
This indicates the vessel is suffering racking stress and is potentially serious
While on boiler watch in the engine room a rating is requested to assist with taking on stores. The task will take about half an hour. What should the rating do?
Just ignore the request to assist with the stores.
Go and help with the stores but go back and check the boiler every 10 minutes.
Raise the boiler water level above normal to make sure there is sufficient water while he is busy with the stores.
Contact the engineering officer of the watch for permission to assist and to arrange a relief for the duration of the store taking.
How many categories of Seed Cake are there in the Code of Safe Practice for Solid Bulk Cargoes (BC Code)?
4
5
3
2
In respect of exposure to vapours from oil cargoes, how is the value of "Short Term Exposure Limit" determined?
The airborne concentration of a toxic substance averaged over any 25 minute period, usually expressed in ppm.
The airborne concentration of a toxic substance averaged over any 30 minute period, usually expressed in ppm.
The airborne concentration of a toxic substance averaged over any 10 minute period, usually expressed in ppm.
The airborne concentration of a toxic substance averaged over any 15 minute period, usually expressed in ppm.
Which of the following statements is the most appropriate with respect to cargo after loading on a General Cargo Vessel?
All cargo must be fully secured before the vessel sails
Cargo securing must be completed within 2 hours of commencing the voyage
Cargo need only be secured if bad weather is forecast
Cargo must be fully secured before the pilot disembarks
When tuning a cascade control system, where do you start
The slave controller with the master controller in manual mode
The master controller
The slave controller with the master controller in auto mode
Both at the same time
A mixed cargo of hard frozen products is to be loaded in layers into one deep cargo space on a conventional reefer vessel. The products are steel drums of frozen orange juice, frozen meat in cartons and frozen beef hocks in muslin. What would be the best position for loading the drums of orange juice?
In the middle layer.
In the bottom layer.
Since all the cargo is hard frozen it doesn't matter which layer the orange juice is loaded.
In the top layer.
On the figure 4 possible definitions of the term "FORWARD SPRING" are given. Which one is the correct one?
Forward spring is given by D on the figure
Forward spring is given by A on the figure
Forward spring is given by C on the figure
Forward spring is given by B on the figure
Which of the following items must be included in each fire drill?
Reporting to stations and preparing for the duties described in the muster list
Starting a fire pump using at least the two required jets of water to show that the system is in proper working order
All the items mentioned
Checking fireman-s outfits and other personal rescue equipment
How often are abandon ship drill and fire drill required to be held on passenger ships, according to SOLAS?
Every second week
Every third week
Weekly
Once a month
At what latest time shall doors, sidescuttles, gangway doors, cargo- and coaling ports and other openings which are to be kept closed watertight at sea be closed at the start of the voyage?
Before leaving the berth
Before entering open waters
Before leaving the port
Before leaving the pilot station
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