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Online testing: Test online CES 5.1 for Engine department, Support level
Online test
Description
The test consists of random questions on a selected topic.
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By the term “Stand by” the operator of a coast-station means that one should:
Don't know
Wait until the coast-station calls again
Switch back to the calling channel
Give the position of the ship
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?
Water.
Iso-propanol.
Industrial Ethanol.
Methanol.
If you are called upon to reeve a new wire onto a self-stowing winch drum you would, after looking at brake arrangement, reeve it to pay out as follows:
Depends on the lay of the wire strands
Direction B
Direction A
Doesn-t matter which direction
If a ship requires 2 nautical miles to stop in the water from a "crash stop" when proceeding at full ahead in deep water. What will the stopping distance be in shallow water?
A greater distance
Similar distance to deep water
About 1.5 nautical miles
A shorter distance
How much time can be saved by use of weather routing?
2%
Impossible to say
4%
6%
The fire control draft on board is called the safety plan and shall be posted onboard. In port, a copy of this plan shall in addition be available from somewhere else. Where must this copy be available?
In the engine control room.
At the gangway.
On the terminal.
Handed over to the surveyors.
A section of seawater pipe has been removed for maintenance. When refittingthe 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?
Use wooden wedges to force and hold the pipe into the correct position and then fit the bolts.
Use a chain block to pull the pipe flanges into alignment and leave it in place after the bolts are fitted to avoid overstressing the bolts.
Adjacent pipework should be slackened off to allow the pipe to be aligned. Any incorrectly positioned brackets should be adjusted after the pipe is refitted.
Force the pipe into position and then hammer the bolts into the holes to hold the pipe flanges into alignment.
What is the main responsibility of a bridge lookout at night?
Inform the bridge of any new lights when they appear over the horizon or any other items observed which may affect the ship
Inform bridge of changing weather patterns
Inform bridge of any lights when they appear over the horizon
Inform bridge of any other ships observed, which appear to be getting closer to your own ship
A heat exchanger of the tube and shell type is used for cooling lubricating oil with seawater as the secondary fluid. Which of the options would indicate that the tube stack was becoming fouled (scaled or coked) rather than blocked?
An increased temperature difference between the seawater inlet and outlet and also between the lubricating oil inlet and outlet.
A reduced temperature difference between the seawater inlet and outlet and also between the lubricating oil inlet and outlet.
A reduced temperature difference between the seawater inlet and outlet and an increase in the temperature difference between the lubricating oil inlet and outlet.
An increase in the temperature difference between the seawater inlet and outlet and a reduced temperature difference between the lubricating oil inlet and outlet.
What is the purpose of a "Strum Box" on a General Cargo Vessel?
To prevent solids from entering the cargo hold via the bilges
To prevent water from entering the cargo hold
To prevent all solids from entering the bilge system
To prevent solids of certain size from entering the bilge system
Prior to bunkering operations it is necessary to check the quantity of fuel remaining onboard and that there is sufficient room for the fuel that is to be loaded. What is the best method to use to establish this?
Sound the tanks which you think might still contain some fuel.
Do a complete sounding of all fuel bunker tanks
Take a full set of readings from remote content gauges.
Use the latest figures from the fuel record book.
On a Container vessel, what is the function of double stacking cones?
To link adjacent container stacks together particularly those in line with buttresses
To link out-of-gauge container stacks together
To lock containers horizontally
To lock adjacent container stacks together
What is the purpose of the decanting line between two slop tanks on an oil tanker that is using water for the washing of the cargo tanks?
To enable the filling of the secondary slop tank via the primary slop tank.
To enable most of the recovered oil to be retained in the primary slop tank, while the cleaner part of the water will flow into the secondary slop tank, where it can be re-used as wash-water.
To enable both the primary and secondary slop tank to be filled without using the main cargo lines.
To avoid a build-up of static electricity during water washing, caused by air being drawn in as the primary slop tank empties.
On the figure 4 possible definitions of the term "QUAY" are given. Which one is the correct one?
Quay is given by C on the figure
Quay is given by A on the figure
Quay is given by D on the figure
Quay is given by B on the figure
When starting a flue gas plant on an oil tanker and after all intial checks have proved satisfactory, which of the following steps will be the first in the operation sequence?
Open air vent valve
Open the flue gas isolating valve
Open blower discharge valve
Start blower
What signal may be given by sound and by light to indicate that a vessel fails to understand the intentions or actions of another vessel, or is in doubt that sufficient action is being taken by the other to avoid collision?
Five prolonged blasts (flashes).
Three short and rapid blasts (flashes).
One prolonged blast (flash), followed by five or more short and rapid blasts (flashes)
Five short and rapid blasts (flashes).
Pasta is often referred to as "al dente". What does this mean?
Coated with oil before boiling.
Part cooked.
Tender, but slightly firm to the bite.
Served separately from other ingredients.
For what purposes is nitrogen used in cargo tanks on a chemical tanker?
Cleanliness (provision of a clean atmosphere in the tank) and quantity (minimising any loss of cargo through evaporation).
Maintenance (nitrogen in the tank restricts moisture build-up and stops corrosion on the tank bulkheads).
Quality control (the nitrogen blanket ensures a uniform temperature throughout the product by stopping loss of heat at the surface).
Safety (atmosphere control) and purity (maintenance of quality of product by stopping contact with air).
What name is given to the rotating jet water outlets on a tank-cleaning machine that is used on an oil tanker?
Distributors.
Nozzles.
Turbines.
Ejectors.
The diagram shows a thyristor (SCR) with a Resistor and Capacitor (R and C). The RC network shown, performs which of the following applications?
Divert fast voltage spikes which may lead to uncontrolled switch on.
Provide voltage smoothing for SCR power supply.
Assist SCR switch on.
Allow bypass route for ac signals.
How often shall drills for the operation of watertight doors, side scuttles, valves and closing mechanism of scuppers, ash-chutes and rubbish chutes take place in passenger ships?
Every month
Weekly
Daily
Every two weeks
If Master finds reason to doubt whether the agent is giving the vessel's interest full and proper attention he should:
Report the matter to the harbour Master
Report to the vessel P & I club
Investigate the matter carefully and report the findings to the company
Change the agent
It is required that a crewman enters a refrigerated compartment containing produce at minus 60 degrees Celsius. Which of the items of personal protective equipment given in the options is the most important for the crewman to wear?
A hard hat.
Thermal underwear.
Insulated gloves.
Insulated overalls
What must be ensured at the commencement of cargo operations, on a general cargo vessel?
That all fire dampers serving the cargo holds, are closed
That all fire dampers serving the cargo holds, are open
That the carbon dioxide gas lines to each cargo hold contain a small amount of moisture
That the carbon dioxide gas lines to each cargo hold are clear
The Inert Gas Plant shall be capable of delivering inert gas with an oxygen content of not more than?
Max. 5% oxygen
Max. 8% oxygen
Max. 10.8% oxygen
Max. 2% oxygen
On what criteria is the Threshold Limit Value (TWA) based?
The maximum concentration of a vapour to which a worker may be repeatedly exposed for a maximum of 12 hours per day, 5 days per week without serious health effects.
The concentration of a vapour expressed as a percentage of the oxygen content of an environment in which a fit human-being can work continuously for a period of 8 hours.
The time-weighted concentration of a substance to which a worker may be repeatedly exposed for a normal 8 hour working day and 40 hour week without adverse health effects.
The maximum concentration of harmful vapour to which a worker may be exposed for a period of 15 minutes up to 4 times within any 24 hour period without adverse respiratory effects.
When checking the cylinder pressures of a 6 cylinder medium speed diesel engine it is found that one of the cylinders has a high maximum pressure. What is the most likely cause of this?
Fuel pressure to the engine is too high.
Exhaust valve on the cylinder with the high pressure is leaking.
Fuel timing to that cylinder too far advanced.
Fuel timing to that cylinder too far retarded.
Which one of the following international regulations is normally used when handling dangerous goods?
IMDG code
HB code
KLMNG code
SOLAS code
What hazard is associated with carrying ammonium nitrate?
It has several subsidiary risks
It is a marine pollutant
It is liable to spontaneous combustion
It can explode
Indicate the correct name for the tool on the sketch:
Grinding machine
Chisel
Flat file
Pliers
A ro-ro unit weighing 2mt is to be loaded in the fore and aft direction and lashed by belts of SWL 0.6mt. How many lashing belts should be used to secure the unit?
4
6
8
10
On a Container vessel, against what do explosives need protection?
Corrosives
Lightning strikes
Toxic gases
Other categories of explosives
An OBO or O/O carrier, due to the movement of liquid in a cargo hold during rough weather, the possibility of liquid entering the inert gas piping is great. To avoid this U-bends are sometimes fitted on the line emerging from the hatch coaming. These bends generally have a drain cock at the bottom. These cocks should be:
Opened and checked every day irrespective of the weather?
Opened after rough weather or before loading/discharging or transferring cargo to check for liquid accumulation and contents drained into a drip pan.
Never opened?
Left open during rough weather to prevent liquid being trapped in the U-bend and blocking the line?
What must be ensured at the commencement of cargo operations?
That the draught survey has been completed
That all fire dampers are closed
That all fire dampers are open
That CO2 gas lines to each cargo hold are clear
What is the difference between methane and ethane?
Ethane has two more carbon atoms and two more hydrogen atoms.
Ethane has double bonding between the atoms.
Ethane has two more carbon atoms and one more hydrogen atoms.
Ethane has one more carbon atoms and two more hydrogen atoms.
It is noticed that some of the items that were to be used to lift some machinery components during a maintenance routine had not been tested for over 5 years. Which of the options given is the correct action to be taken in a situation like this?
Return them to the lifting gear locker and make a note in the Register of Lifting Gear that they need to be tested.
Mark the items as not to be used and store them securely until they can be tested by a competent person.
Have them inspected immediately by a competent person so that they can be used for the task.
Scrap the items immediately as they are unusable once they have not been tested for 5 years.
What indicates the correct weight of a wrongly declared container?
The container CSC plate
The ship’s loading computer
Strain gauges fitted to the shore gantry cranes
The tare weight stamped on the container
What does not apply to the carriage of timer deck cargoes?
The International Tonnage Convention
The Code of Safe Practice for Stowage and Securing of Cargoes
The International Convention on Loadlines
SOLAS 74/78
What should be the breaking stress of lashing belts used to secure light vehicles, on board a ro-ro vessel?
3.0 to 3.5 tonnes
1.2 to 1.5 tonnes
2.0 to 2.5 tonnes
4.5 to 5.0 tonnes
A positive displacement, rotary type, volumetric flow meter reads low with an error reading of 1% when used to measure flow of heavy oil and 2.5% when used to measure the flow of diesel oil. From the options given select the most likely cause of this difference in error?
The lower mass of diesel oil results in a lower reading.
The higher viscosity of the heavy oil is slowing down the rotary element in the meter.
The low lubricity of the diesel oil is increasing the friction in the rotating element and slowing the rotor down.
The meter is worn internally.
When loading steel coils, which is the ‘locking coil’?
The first coil loaded
The final coil loaded at the centre of the stow in second, third and fourth tiers
The final coil loaded
Any coil at the extremity of the stow
To whom should you report when the bow port or stern ramp is closed and secured?
The Safety Officer
The Master
The Chief Engineer
The bridge/ Officer on watch
To evaluate the condition of a heat exchanger the following measurements should be recorded:
In and outlet temperatures on one media
In and outlet temperatures, and flow rates for both media
In and outlet temperatures for both media
Pressure drop
Why are a greater number of lashings required to secure cargo forward on deck compared with amidships under deck of a General Cargo Vessel?
Because the dynamic stresses on the lashing are much greater
Because the roll period is greater forward
Because heavier cargo is stowed forward
Because the dynamic stresses on the lashing are much less
What danger is associated with damaged expanded metal gratings on loading ramps?
Vehicles’ windscreens may be damaged during cargo operations
The front and/or rear ends of vehicles may be damaged during cargo operations
Vehicles’ tyres may be damaged during cargo operations
The load density of the ramp will be affected
A very dusty cargo is to be loaded on a bulk carrier; what precautions on deck should be included?
No access allowed onto main deck
Decks washed down regularly
All cranes, deck houses and storerooms fully closed down to prevent entry of dust
No extra precautions need to be taken
How is a dangerous substance listed in the IMDG Dangerous Goods List?
By its Proper Shipping Name (PSN) and subsidiary name
By its Trade Name
By its Proper Shipping Name (PSN)
By its abbreviated Trade Name
What is meant by the term 'hold space' in relation to a liquefied gas carrier?
The space where the ballast tanks are situated.
The space enclosed by the ship's structure in which a cargo containment system is situated
The space between the individual cargo tanks.
The space where the cargo is carried.
On a RoRo vessel, what should be done first when cargo has shifted at sea on a RoRo vessel and re-lashing is not possible?
Take action to improve stability
Go Faster to outrun the problem
Alter course and/or speed to reduce the accelerations and prevent further damage
Indicate the correct name for the part marked on the sketch:
Crankshaft
Piston rod
Connecting rod
Push rod
What must the oxygen content of the atmosphere within the cargo tanks of an oil tanker be prior to loading?
It must not exceed 8% by volume.
It cannot be in excess of 12% by volume.
It must be no greater than 5% by volume.
It must be less than 10% by volume.
You are paralleling two alternators and the pointer of the synchronoscope slowly stops rotating and remains stopped in one position before the circuit breaker is closed. This would indicate:
The voltage of the incoming alternator is the same as that of the main switchboard
The incoming alternator is in phase with the switchboard, but the frequency is not the same
The synchronoscope is not functioning properly and should be checked
The frequency of the incoming alternator is the same as that of the main switchboard
On a RoRo vessel, what is important with regard to a loading ramp resting on a jetty?
The position of mats between the ramp flap and jetty must be maintained at all times
Visitors must not be allowed access to the vessel via the ramp
The ramp's position must be maintained
It must not foul the ship's mooring ropes
Where would you look for definitive information on whether a particular cargo is classified as a "Noxious Liquid Substance"? (Other than products provisionally assessed).
The pollution category column of chapters 17 or 18 of the International Bulk Chemical Code (IBC Code).
The product groups within the list of cargoes contained in the Chemical Data Guide for Bulk Shipment by Water.
The Procedures and Arrangements Manual.
The pollution category of chapter 17 (only) of the International Bulk Chemical Code (IBC Code).
What is IMO's definition of liquefied gas?
All chemicals with excess pressure above 2.8 bar at +73.8 C.
All chemicals with excess pressure above 8.2 bar at +37.8 C.
All chemicals with excess pressure above 2.8 bar at +37.8 C.
All chemicals with excess pressure above 2.8 bar at +100 C.
During maintenance work on the main engine a problem arises regarding the lifting of a main component in that the manufacturer's instructions ado not apply to the engine as fitted and present a hazard. In which of the information/record sources given in the options, is it most important to record the information relating to this anomaly?
Engine room planned maintenance schedule.
Engine room log book.
ISM procedures in the ship's safety manual.
Safety officers report.
A small electric motor needs to be taken to the bottom plates for fitting to a domestic water pump. It is only just too heavy to be manually carried so is to be lowered using the engine room crane. Which of the options given would be a suitable strop to use for the operation?
Any piece of rope will do as the motor is only just too heavy to carry.
A wire strop which is rated for twice the required load but is out of certification.
Any strop which looks big enough to carry the load.
Any certified strop which has a safe working load greater than the weight of the motor.
Which statement about the garbage record book is true?
Each entry is to be written in the language of the ship's flag state
It is required by all ships on International voyage
Each entry is to be signed by the Master
It is used to record all operational and accidental garbage discharges
What are ‘Dangerous Goods’ within the context of containerisation?
Goods that are liable to explode
Substances, materials and articles covered by the International Maritime Dangerous Goods (IMDG) Code
Goods that are self-heating and liable to spontaneous combustion
Goods that are liable to cause damage to the ship
Why do bulk carriers need to carry oxygen analysis and gas detection equipment?
Because this equipment is required under SOLAS 74/88
Because it is required under MARPOL 73/78
Because of IMO regulations regarding Enclosed Space Entry
Because it is required under the International Labour Convention
The Classes drawn up by the UN Committee of Experts for the safe handling of hazardous substances, as listed in the IMDG Code, are drawn up on the basis of which of the following criteria?
Chronological order in which they have been assessed.
Selective laboratory tests commissioned by the Committee.
Alphabetical order.
The type of hazard they present.
What is the purpose of an evacuation analysis?
To provide port state control inspectors with reports
To provide the passengers with written results of the analysis
To identify and eliminate, as far as practicable, congestion which may develop during an abandonment
To ensure the ship can be evacuated in less than 30 minutes
A new cylindrical brass bearing sleeve for a pump shaft is found to be a few millimetres too long for the housing and needs to be adjusted to the correct length. Which will be the best method to use to reduce the length of the sleeve to the correct dimension?
Remove the excess length using the ship's lathe.
Grind off the excess on a pedestal grinder for quickness.
Cut off the excess with a mechanical hacksaw.
Manually hacksaw off the excess and dress the end with a file.
What name is given to the inspection and measurements at the end of a bulk carrier's loading operation, that determines the weight of cargo lifted based on the observed draughts, any list, hog or sag, the dock water density and the calculation of ballast and consumables on the vessel?
Port Measurement.
Load Survey.
Departure Survey.
Draught Survey.
What does the term "Hard a Starboard" or "Hard to Starboard" mean?
Start the ship swinging to starboard.
Do not allow the vessel to swing to port.
The wheel is difficult to turn to starboard.
Put the wheel fully over to starboard.
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.
You have just collected some fresh provisions from the storeroom below the galley. As you are coming back up the stairway, you slip and fall, dropping the provisions and scratching your leg, causing minor bleeding. Which of the following will you now do?
I will say nothing, as the accident did not take place in the galley and was my own faulty anyway; I will pick up the provisions I dropped and carry on as usual; I will look at the scratches when I get a break.
I will tell the Chief Cook and let him decide whether to report or record it; we will use all of the provisions as usual, as the cooking process will ensure any contamination or damage is neutralised.
I will report the incident; I will obtain first aid; I will ensure an entry is made in the accident log; I will ensure all the provisions are inspected for damage and any bruised, broken or contaminated goods are discarded.
I will tell my colleagues in the galley that I slipped but that I am OK; I will not mention that I dropped any provisions and will just wash any items that dropped onto the deck.
The fuel consumption for the main engine is calculated using the readings from the supply and return flow meters which are of the positive displacement type. When compared to the quantities calculated from tank soundings and calibration tables and indicated on the contents gauges the consumption appears consistently high. Which of the options given is the most likely cause of this discrepancy?
The supply flow meter is giving too high a reading due to internal wear.
The tank calibration tables are incorrect.
The tank contents gauges are calibrated for the wrong fuel type.
The return flow meter is giving a low reading due to internal wear.
A temperature control system is exhibiting hysteresis. Checks on all of the system components show that they are functioning correctly. Which of the changes/modifications given in the options is most likely to correct this problem?
Fit a valve positioner to the system.
Fit a new temperature sensor with a narrower temperature range.
Increase the pressure of the air supply to the controller.
Slacken off the control valve gland.
A compressed air supply system has two automatically controlled air compressors. When demand is high both compressors are needed to meet the delivery requirements. What is the best method for controlling the compressors to meet a varying, but intermittent demand?
Start and stop of the compressors controlled by timer switches.
Continuous running of both compressors and the use of unloading devices.
One compressor running continuously with the other on standby.
Sequential start initiated by pressure switches set at different switching pressures.
What does a "compactor" do?
It compresses and forms raw meat into burgers, patties and other pre-formed shapes prior to packing and freezing.
It disposes of waste material through high-temperature combustion.
It crushes and compresses garbage, such as food packaging, into a more manageable shape and form prior to disposal.
It crushes and grinds food waste into small particles that can be washed overboard as "grey water".
What can be done to effectively reduce the rate of ice accretion on containers during loaded sea passage?
Increase speed
Heave to
Reduce speed
Have the crew remove the ice
Assign men to search men and women to search women unless a device such as a metal detector is used.
FALSE
.
TRUE
During loading of palletised, chilled, perishable goods it starts to rain heavily in the port area. Some of the cargo pallets have been placed on the quay ready for loading. Select, from the options given, the best course of action to be taken to minimise any damage to the cargo.
Return the cargo to the cooling sheds until the rain ceases.
Shift the cargo to a position where there is overhead shelter.
Shift the cargo onto the deck and cover with a waterproof sheet.
Cover the cargo with a waterproof sheet.
It is possible to operate two similar generators in parallel at equal power (kW) but at different power factors. The generator with lower power factor will run:
Hotter due to increased current
Cooler due to increased speed
Faster due to increased voltage
Slower due to increased current
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.
At which of the pressures shown should the low oil pressure trip operate on a freon compressor?
+ 1.0 bar
- 0.5 bar
+ 10 bar
+ 5.0 bar
Read the text in the diagram and answer this question: What should be given to prospective seafarers?
Approved training in survival techniques
Passport and visa
Recommendations
Survival and protective clothing
If a leak starts from a flange joint during cargo discharge, which of the following should you do?
Attempt to tighten the bolts on the flange. If the leak continues, place a container underneath the leak and ensure it is emptied into a slop tank or drum at regular intervals.
Attempt to tighten the bolts on the flange. Report the gasket as defective at the handover of the watch and leave a note in the Cargo Control Room to replace it at the end of discharge.
Report the leak to the Responsible Officer. Depending on the pipeline arrangement, stop the discharge, or isolate the section of pipeline concerned and releive the pressure inside the pipeline. Put on the appropriate personal protective clothing and equipment. Attempt to tighten the bolts on the flange. Resume discharge with caution. If the leak continues, stop the discharge and change the gasket. Clear any cargo spillage according to the applicable recovery procedure.
Attempt to tighten the bolts on the flange. Spread sawdust underneath the leak. Clear contaminated sawdust away at regular intervals and replace with fresh sawdust as necessary.
On the figure 4 possible definitions of the term "BRIDGE" are given. Which one is the correct one?
Bridge is given by B on the figure
Bridge is given by C on the figure
Bridge is given by D on the figure
Bridge is given by A on the figure
What, by definition in the International Collision Regulations, is a "vessel restricted in her ability to manoeuvre"?
A vessel which through some exceptional circumstance is unable to manoeuvre as required by the Rules and is therefore unable to keep out of the way of another vessel.
A vessel which from the nature of her work is restricted in her ability to manoeuvre as required by the Rules and is therefore unable to keep out of the way of another vessel.
A vessel engaged in underwater work, such as the laying, picking up or servicing of a pipeline, or which is in support of diving operations, performing dredging and mine-clearance or is deploying or recovering a pilot.
A vessel which because of her draught in relation to the available depth of navigable water is restricted in her ability to deviate from her course and keep out of the way of another vessel.
Conventional reefer vessels often carry non-refrigerated cargo on the voyage to the loading port, for example from Northern Europe to Central America. Which one of the options given is the most suitable type of non-refrigerated cargo to carry in such a situation?
Grain in bulk.
Steel coils.
Unpackaged motor vehicles.
Chemical products.
What are the main elements in a damage control plan?
Boundaries of the watertight compartments for decks and holds. Position of controls for opening and closing of watertight compartments. Arrangement for correction of list due to flooding.
Instructions and procedures for reporting damage to the Company
Arrangements for correction of list due to flooding within 15 minutes
A damage control plan is the same as an emergency plan
What is the greatest danger associated with the carriage of chemicals?
Leakage from the carrying receptacles
Outbreak of fire
Evaporation
Reaction with the carrying receptacles
What has to be done before the central gas extinguishing system is used on a fire in engine rooms, cargo holds or other confined spaces?
Make sure that the compartment has been evacuated
Stop all engines
Close down boilers
All openings to the compartment must be closed
What is the meaning of this symbol ?
Immersion suit
Lifebuoy
Lifejacket
Child`s lifejacket
What is a hydrostatic release unit?
An important part connected to the sea-anchor.
A unit which automatically release all securing when abandon the vessel.
A unit which automatically releases the liferaft/lifeboat at a depth of approx 4 metres.
A unit for inflating the liferaft.
How many rocket parachute flares are carried in each lifeboat?
4
12
6
Nil
Is smoking permitted in the engine room? If yes; where?
Smoking is only permitted in designated places.
Smoking is permitted if it is deemed to be safe by the various officers and crew.
Smoking is not permitted in the engine room.
Smoking is permitted everywhere in the engine room if it looks safe.
The main purpose of the superheater vent valve on the boiler is to
remove air from the superheater
lower to high superheater pressure after shut down
ensure a flow of steam through the superheater when raising steam pressure after shut down
remove water from the superheater
This online test consists of 90 random questions from CES 5.1 tests on a topic of your choice.