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Online-Test: Test online CES 5.1 for Engine department, Support level
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Online-Test
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Der Test besteht aus zufälligen Fragen zu einem ausgewählten Thema.
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A « MRCC » is :
A coast station
The master of a merchant ship who coordinates on scene search and rescue operations
The master of a SAR unit which coordinates on scene search and rescue operations
A SAR coordinating centre
You are on ship A. What would you do before meeting ship B?
Stop the engine before meeting, and apply engine during meeting
Increase speed to full ahead, 13 knots
Put the engine to full astern
Increase the speed to 8 knots
The ship is in a sharp turn and the log shows sideways motion to port both forward and aft. Where is the "pivot point" located?
Outside the ship itself
At the center of gravity
At 1/6 of the ship-s length aft of the bow, but in the center line
Aft of amidships
When handing over the con of a vessel to a pilot, should the Master insist in discussing the passage plan with the pilot while he is there to use his local knowledge and advice on the navigation of the ship?
The passage is well established and known by the pilot and a plan is therefore not necessary
The pilot would probably consider it unnecessary, be more interested in knowing the ship's characteristics and resist any passage planning discussions with the Master.
A pilot is responsible for the navigation whilst on board and will be very familiar with what is required, therefore discussing the passage plan is not necessary
A passage plan should be discussed between the Master and pilot, when under pilotage in the same way as discussed with the bridge team when deep sea
According to the “Regulation and Restrictions” of the mariphone license, the mariphone:
apart from its position as indicated also be used in other places provided its call sign is at least transmitted once at the start and at the end of each transmission
Don't know
may only be present at the place, as indicated in the license
may be taken off the ship temporarily, only if suitable measures are taken for the prevention of the use of the mariphone
To choose the HF-band, the time difference between 2 stations is:
irrelevant
Don't know
is hardly relevant
is important
If you are going aloft in a bosun's chair what kind of hook would you use to hook the chair to the rope?
I would refuse going aloft
A stainless steel butcher's hook that is designed to take the load
Any old hook would do
An approved hook with a locking device
On the figure 4 possible definitions of the term "FORWARD BREAST LINE" are given. Which one is the correct one?
Forward breast line is given by B on the figure
Forward breast line is given by A on the figure
Forward breast line is given by C on the figure
Forward breast line is given by D on the figure
Why do some diesel engine manufacturers recommend machining the valve spindle sealing surface with a half degree difference to the valve seat angle?
To improve valve sealing by compensating for expansion of the valve during high temperature operation.
To minimize heat transfer between valve and valve seat.
To improve valve sealing by compensating for pressure and temperature effects on the valve during engine operation..
To improve valve sealing by increasing contact force by reducing contact area between valve and seat.
What is the correct name of the part highlighted in the sketch?
Cylinder head
Air inlet valve
Exhaust valve
Cylinder relief valve
What precaution must be taken when painting on deck during cargo operations?
There must be an established means of communication between crew members and the duty officer
A spray gun not be used
Cargo hold fan inlets near paint areas must be closed
There must be an established means of communication between crew members and the bosun
Where can the size of the Magnetic Compass Error be found?
By taking a transit bearing of two fixed geographical positions and comparing it with the bearing of the same points on the chart
On the chart in the centre of the compass rose or by reference to the Variation chart, taking into account the annual changes
By reference to the last entry in the Compass Error Log Book
By taking the error from the Deviation Table on the bridge
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
At the design phase of a container ship, how is the loss of strength resulting from the large deck openings, compensated?
Large deck beams longitudinally and athwartships at the sides and ends of hatches
Additional transverse bulkheads
Large doubling plates at the hatch corners
Additional longitudinal bulkheads
What is ‘Allowable Use Strength’?
The strength of cargo lashing materials allowed by the classification society
The tension to which cargo lashings should be set up
The safe working load of cargo lashing materials
The breaking strength of cargo lashing materials
What are the main components causing the magnetic compass to require a regular evaluation and compass correction?
The change in the position of the magnetic pole causing annual changes in the variation
Permanent and induced magnetism in the ships structure
The continual changes of courses steered by the ship
Deviation and Variation
You are to supervise a hot work repair in a cargo tank on an oil tanker. You have measured the atmosphere inside the compartment as 21% oxygen content by volume and less than 1% LFL hydrocarbon vapour concentration. Does this mean the work can commence? (Select the most correct option)
No. The flammability reading should be maximum 0.5% LFL hydrocarbon vapour concentration for any hotwork to take place. .
Yes, provided that continuous readings are maintained throughout the operation and flammability readings do not exceed 2% hydrocarbon vapour content in the immediate vicinity of the hotwork site. .
Yes. The minimum safe requirements for hot work have been met.
No. Further precautions need to be taken. The area around the work site needs to be cleaned and checks need to be made on adjacent spaces. Additional precautionary measures may need to be put in place.
What is the most likely cause of the clean oil outlet pressure being higher than normal when operating a centrifuge as a fuel oil separator?
Drive clutch slipping.
Valve in the outlet line incorrectly positioned.
Broken water seal.
High fuel oil temperature.
In which category of passengers do you think a woman who shows you a police badge might belong?
30% who are rational
3% who panic
75% who are confused and helpless
25% who go into shock
Who is responsible for maintaining the vessel's structural strenght?
The Shipping Company and the Classification Society
The Shipyard
The Master
The Flag State Administration
What is the minimum furnace temperature that must be reached during start up before waste material can be introduced into an incinerator?
1500 C
850 C
2500 C
2000 C
On a General Cargo Vessel, which of the following statements are correct?
Under the Hague-Visby rules there is an obligation to make a vessel seaworthy
Under the Hague rules there is an obligation to make a vessel seaworthy
Under the Hague and Hague-Visby rules a ship-owner must exercise due diligence to make a vessel seaworthy
Under the Hague and Hague-Visby rules a vessel must be seaworthy at the commencement of a voyage
How is the painter released from the lifeboat, once the boat is waterborne and ready to leave?
Cut it with the axe provided
Remove the toggle which will release the painter
The painter will automatically part by the weak link when the boat goes astern to clear the ship
Cut it with the knife contained in the equipment locker
Which of the following detectors will you choose for detecting smoke from fire?
Thermocouple
Thermometer
Strain gauge
Ionization type
Which types of compressors are used as cargo compressors onboard gas carriers?
One, two and three stage piston compressors.
One, two and three stage screw compressors.
Oil free screw and piston compressors.
Piston, screw and centrifugal type compressors.
Why is it important to have good relationship on-board a vessel?
It leads to better work performance and positive atmosphere among the crew
Crew comes to know each others problems
It encourages crew to extend their contract
It will prevent accidents from happening
A vessel with a large transverse GM will have which of the following rolling periods?
Fast abrupt rolling period to small angles.
A moderately comfortable period with medium angles of heel.
Slow period of roll either side of an angle of loll.
Very slow and to large angles of heel.
A ship moving through heavy seas is affected by the water pressure at the bows causing an effect known as "Panting". What structure in the forward region of the ship combats the effects of Panting?
Double bottom tanks and floors
Centreline bulkhead
Collision bulkhead and deck
Panting beams and stringers
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.
In the human body, breathing is controlled by
The bronchia
The respiratory centre in the brain
The lungs
Movement of heart
What term is applied to the compensation payment by the charterer that is due when a vessel is unable to load / discharge her cargo within the allowed and contracted time?
Discretion.
Deferment.
Contractual penalty discount.
Demurrage.
What principle of measurement is the viscosity controller usually based upon?
measurement of flow
measurement of temperature
measurement of two different temperatures
Measurement of differential pressure
You are to load a number of chemical cargoes in Rotterdam in December, for eventual discharge in Australia, after the ship has called at Singapore and Malaysia. None of the cargoes on board at any stage of the voyage require heating. None of the tanks to be discharged in Singapore and Malysia will require hot washing after discharge. What will need to be considered when determining the filling limits of the tanks containing the Australian cargoes?
The potential damage to tank coating in the upper areas of any tanks which are not fully loaded due to the duration of exposure to cargo vapour.
The accuracy of the tank level monitoring systems in potentially sub-zero conditions.
The anticipated cargo loss due to the projected evaporation rates as the vessel passes through the tropics.
The maximum anticipated temperature that the cargoes will reach bearing in mind ambient air and sea temperatures to be encountered on passage, so that any expansion does not result in overflow.
A cargo space is being prepared to load a refrigerated cargo. An inspection of the space has revealed some dark areas of mould on the bulkheads. Which of the given options is the best action to take in such circumstances?
Since the mould will be odourless it can be left in place.
The mould should be scraped off with a steel goose necked scraper.
The mould should be removed by scrubbing the area with clean water containing the correct concentration of an approved fungicide.
The mould should be painted over with an appropriate marine paint.
On a Container vessel, what will attending surveyors inspect when containers have been lost overboard?
The vessel's Safety Construction certificate
The on-board cargo lashing inventory
Certificates of approval related to lashing equipment used to secure those containers
The vessel's Class certificate
Which of these situations will not result in an emergency shutdown of cargo operations?
Failure of the hold ventilation system
The vessel developing and sudden and unexpected list
A blackout on board
The loading ramp being lifted clear of the jetty
When loading a General Cargo ship, what do logs, fishmeal, scrap metal and bales of cotton have in common?
They are all capable of causing oxygen depletion in the cargo holds
They are all liable to spontaneous combustion
Fires caused by these cargoes cannot be extinguished using carbon dioxide gas
They contribute to ship's sweat
The ship's crew are carrying out maintenance on the weather deck hatch lids of a refrigerated cargo space. Which of the parts given in the options will have the greatest influence on maintaining cargo temperature in relation to the hatch lid system?
The condition of the hatch lid wheels.
The condition of the hatch lid seals.
The condition of the hatch lid hinges.
The condition of the hatch lid trackway.
You are on a chemical tanker, where the duty officer usually controls the opertaion of the pumps and valves from a control room. You are in radio contact with him. The ship has just started to discharge several grades of chemicals to shore. Suddenly, the jettyman shouts across to you to "STOP". Which of the following will you do?
Inform the jettyman that you will check with the duty officer first.
It is important to keep the cargo discharge going, so you will ask the duty officer to slow the pumps to minimum speed while you find out what is happening.
Immediately repeat the request on the radio to the duty officer, then proceed to the manifold and stand-by for further instructions.
Ignore him, because you take your instructions only from the duty officer.
Radio frequency signals can carry information from one place to another if they are modulated. There are several ways to modulate a carrier. Which modulating method is illustrated here?
Frequency modulation (FM)
Pulse-code modulation (PCM)
Amplitude modulation (AM)
Pulse-width modulation (PWM)
On a General Cargo Vessel, what should a cargo lashing plan comply with?
The cargo securing manual
Master's instructions
Charterers? instructions
Shipper's instructions
Which of the following is not designed to hold chain lashings?
Eye plates
Crinkle bars
'D' Rings
Clover leaf lashing sockets
For types "A" and "B" cargo tanks, what is the requirement with regard to shut-off valves for liquid and vapour connections where cargo tanks have a MARVS less than 0.7 barg?
Double butterfly valves fitted in series.
One manually operated globe valve and one remotely operated valve.
Single shut-off valves.
Double valves.
Modern large slow speed diesel engines operate with very efficient turbochargers. This has resulted in much later opening of the exhaust valve as less energy is needed to drive the turbocharger giving exhaust timing which is almost symmetrical about bottom dead centre. How has this affected the reversing operation of the engines?
It has no effect and the reversing requirements of the engine are still the same.
Only the air start distributor has to be repositioned prior to reversing the engine.
The engine can be reversed by simply repositioning the main camshaft.
Only the fuel and starting air timing needs to be changed to reverse the engine.
This graphical symbol is a logic gate. Which gate?
AND
OR
NOR
NAND
Thermocouples are often used for measuring temperatures. Which of the following descriptions are valid for a thermocouple?
A junction between two dissimilar metals generates a small voltage.
A semi-conductor device that exhibits a negative coefficient of resistance with temperature.
A resistance device that exhibits a positive coefficient of resistance with temperature.
A quartz crystal that changes its resonant frequency with temperature.
What extra precautions should be taken by the officers and crew if some of the passengers are disabled, i.e. using wheelchair, cane, blind etc.?
Passenger with some form for disability must travel with accompany, and live in same cabin or next door.
Locate them in large cabins to ease their stay.
They must be placed in cabins on the same level as the muster station.
All passengers that will require extra assistance, also in case of an emergency situation/ evacuation, must be registered in order to allocate crew to assist them if needed.
On the figure 4 possible definitions of the term "AFT SPRING" are shown. Which one is the correct one?
Aft spring is defined as A on the figure
Aft spring is defined as B on the figure
Aft spring is defined as C on the figure
Aft spring is defined as D on the figure
What is the danger of having a large bunker tank only partially filled with bunkers?
Excessive corrosion of the tank sides.
FSE and virtual loss of GM.
Constructional damage due to liquid movement in the tank.
Insufficient bunker to complete the voyage.
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
Emergency exits are provided for personnel's safe and quick escape from the engine room in case of fire. The emergency exits are an item to be checked during the Safety Equipment survey annually. What is the surveyor checking?
The surveyor is checking the lighting fixture in way of emergency exits.
The surveyor is check that the vessel is equipped with emergency exits.
The surveyor is checking that there is no oily residues in the emergency exits.
The surveyor is checking that the emergency exits are properly marked, free from obstacles and that the closing devices are easy operable.
The reporting of incidents involving harmful substances and / or marine pollutants is regulated under which international guidelines?
Protocol I of MARPOL 73/78.
The UN Convention on the Reporting of Accidents and Incidents which Present a Hazard to the Marine Environment 2004.
Appendix B of the Supplement to the IMDG Code.
Annex II to SOLAS 1974.
Why are many machinery components onboard ship now tightened using cylindrical jacks and hydraulic oil pressure rather than more traditional methods such as, for example, the use of torque wrenches?
Hydraulic tightening avoids the risk of unwanted bending stresses when compared to other methods.
Hydraulic tightening of fastenings is always more accurate than any other method.
It is easier to slacken off component fastenings that have been tightened hydraulically when maintenance is due.
It is possible to get the component fastenings tighter using hydraulic equipment than by using other methods.
Is there any requirements regarding double bottom for large passenger ships?
No, a double bottom is not required
Yes, in ships of 76 m in length and longer, a double bottom shall be fitted amidships, and extend to the fore and aft not less that ? of the ship length.
Yes, in ship of 76 m in length and upwards, a double bottom shall be fitted amidships, and shall extend to the fore and after peak bulkheads, or as near thereto as practicable.
Yes, a double bottom shall be fitted amidship
Liquefied natural gas (LNG) is often referred to as natural gas or marsh gas. What is another common name for LNG?
Propane.
Ethane.
Butane.
Methane.
Which of the given statements is true in relation to the features and operation of a 4 stroke diesel engine ?
4 stroke engines are not required to have crankcase relief valves fitted.
The camshaft rotates with half the RPM of the crankshaft in a 4 stroke engine.
A 4 stroke engine always has scavenge ports near the bottom of the cylinder liner.
A 4 stroke engine has an ignition towards the end of every upward stroke of the piston.
A medium speed diesel engine which is supported on a steel chocking system has had repeated problems with two of the chocks at the end of the engine on the port side becoming slack. This has led to some fretting damage to the bedplate and tank top in that area. What action should be taken to affect a cost effective permanent repair?
Replace the damaged chocks with resin based chocks of an appropriate size.
Replace the complete steel chocking system with a resin based system.
Tighten the holding down bolts in that area to 150% recommended load to prevent further slackening and fretting.
Replace the complete steel chocking system with one using resilient mounts to accommodate movement and avoid further incidents of fretting.
Which of these emission control requirements is correct?
Incineration of PCB's is permitted
Equipment containing ozone-depleting substances may be dumped at sea 50 miles from land
Installation of an exhaust gas cleaning system reduces emission of nitrogen oxide
Low sulphur fuels reduce emissions of volatile organic compounds
On a General Cargo vessel, what action should be taken when the discharge equipment such as chain slings to be used by stevedores, are considered unsuitable by ships staff?
Provide ships equipment to discharge
Refuse to discharge
Inform stevedores of concern and protest by letter
Continue discharge as planned and inform Designated Person Ashore(DPA)
Where shall you be able to activate the ship security alert system on board ro-ro passenger ships?
Navigation bridge
From the navigation bridge and in at least one other location
Captain's office
Captain's- and Chief Officer's office
Indicate the correct name for the part marked on the sketch:
Crankshaft
Crankcase relief valve
Camshaft
Push rod
A three phase alternator is connected singularly to the main switchboard. The switchboard instruments show 400 Volts/500 amperes. With a power factor of 0.5 what will be the kW load?
100 kW
57.5 kW
250 kW
173.2 kW
Under which IMDG Class is fishmeal carried when not treated with anti-oxidant?
Class 9 - Miscellaneous dangerous substances and articles
Class 4.1 - Flammable solid
Class 4.2 - Flammable solid
Class 5.1 - Oxidizing substance
When maintenance work is to be carried out on an electric motor driving a centrifugal water pump with automatic start, should you;
Ascertain from the senior watchkeeper if it is okay to start work, isolate the valves then commence work.
Set in local control, isolate the suction and delivery valves then commence work.
Isolate the suction and delivery valves then inform the electrician that you are starting work.
In conjunction with the senior watchkeeper and electrician, isolate valves, electrical supply, automatics and post 'Do not operate' signs before commencing work.
A power card from a slow speed diesel engine cylinder is abnormal with a low height and the body of the diagram thicker than normal. What is the most likely cause of this?
Fuel timing is advanced.
Partially blocked fuel injection valve.
Scavenge pressure is too high.
Fuel timing is retarded.
Under most circumstances, how will communication be carried out between a ship and a SAR helicopter?
On VHF Ch 70.
On 410 KHz.
On VHF Ch 16.
On 121.5 MHz.
In what way can de-humidified air be made more efficient for the drying of cargo tanks?
By pressurizing it.
By heating it.
By adding 10% by volume inert gas to it.
By cooling it.
Certain vessels are required to maintain oil record books according to the IMO. Is it compulsory that an oil record book is maintained onboard liquefied gas carriers?
Yes, all ships to which MARPOL 73/78 applies must have oil record book parts 1 and 2 onboard.
Yes, all ships to which MARPOL 73/78 applies must have an oil record book part 1 onboard
No, since MARPOL 73/78 only applies to oil tankers then it is not necessary for a liquefied gas carrier to have any oil record book onboard.
Yes, all ships to which MARPOL 73/78 applies must have an oil record book part 2 onboard.
How should lashing belts be stowed on board a RoRo vessel?
According to their Safe Working Load (SWL)
According to their date of manufacture
According to model type
According to the manufacturer
At what temperature should Intermediate Fuel Oil (IFO) 180 be maintained so as not to damage a bulk cargo of grain?
Between 40°C and 45°C
Below 35°C
Between 30°C and 35°C
Between 35°C and 40°C
The International Convention for the Prevention of Pollution from Ships (MARPOL) covers detailed regulations to prevent various sources of ship generated pollution. Annex I - VI deals with regulations for the prevention/ control of pollution from:
Proper Pollution Prevention Training
Oil, Noxious Liquid Substances in Bulk, Harmful Substances in Packaged Form, Sewage, Garbage and Ballast Water
All Harmful Substances we have onboard
Harmful Substances in Packaged Form, Sewage, Air Pollution, Garbage, Oil and Noxious Liquid Substances in Bulk
When should a spreader be used for general cargo operations?
When the weight of a load needs to be evenly distributed by the lifting gear
When the length of a load is such that slinging it will create unacceptable bending moments
When the length of a load is such that slinging it will create sagging
When handling open-top containers
In most colour coding systems for kitchen knives, what colour is used to indicate those used only for preparing raw meat?
Black.
Blue.
Red.
Yellow.
How would a ship drifting onto a rocky shore, be communicated?
"My ship is drifting into danger"
"My ship requires tug assistance"
"My ship is not under command"
"My ship is drifting"
Which of the following statements best applies to the use of ordinary, commercial mobile telephones on board an oil tanker?
They can not be used in the hazardous areas on board at any time
They can be used anywhere on deck between sunset and sunrise
They can be used anywhere on deck with the Chief Officer's permission
They can not be used on deck if rain is falling or can be seen to be falling in the vicinity of the ship
Personnel in a high voltage switchroom smell ozone. This is likely to indicate which of the following?
Transformer overload
Vacuum circuit breaker problems
Arcing at badly connected bus bars
Air circuit breaker problems
Where should grease be applied to a twistlock?
Over the entire outer surface
Under the handle
Between the twistlock cone and associated housing
At the base of the twistlock cone
What is the minimum length of rubber insert when replacing a damaged section of the hatch cover seal?
250 mm
200 mm
275 mm
500 mm
U-tube manometers are often used to measure differential pressure. Which of the listed pressures is U-tube manometers mostly used for?
High differential pressures
Low differential pressures
Absolute zero pressure
Cargo pressure
How many categories of Seed Cake are there in the Code of Safe Practice for Solid Bulk Cargoes (BC Code)?
4
5
3
2
What is the name of UN maritime division?
The UN maritime division is UNM (United Nations Maritime)
UN does not have any maritime division.
The UN maritime division is IMO (International Maritime Organisations)
The UN maritime division ISO (International Shipping Organisation)
What should you observe when patrolling public areas on board?
Drunk people
If all the fire extinguishers are in place and that fire doors are open
Stowaways
All abnormalities that may affect the safety/ security of passengers, crew and the ship
What should you do in case of any fire breaks out?
Ask passengers to assist you with fire-fighting
Fight the fire and report to the bridge when you have extinguished it
Alert the bridge, Rescue human life, Extinguish if possible by use of available fire fighting-fighting appliances, Secure the area/ damage control
Call FIRE-FIRE-FIRE
Is it possible to discharge a fully-refrigerated gas carrier if brake down on a discharge pump?
Fully-refrigerated gas carrier can be discharged by condensate the cargo to shore or another cargo tank or let it boil off
We can not discharge any gas carriers without pumps
Fully-refrigerated gas carrier can be discharged by pressurising the cargo tanks
Fully-refrigerated gas carrier can be discharged by using a spare discharge pump lowered down in the cargo tank
A reefer vessel, which is about to carry a palletised cargo, has to have available sufficient cargo equipment including air bags (dunnage bags), air lines and valves, cargo slings, wooden dunnage, nails, etc. These items are required to ensure a quick loading operation and a successful passage. Complete the following statement from the options given. "Air bags are particularly important in that ….
… they are quick and easy to deploy."
… they secure the pallets against movement during the passage."
… they protect the pillars and the vent trunking against damage during heavy weather."
… they reduce the movement of the pallets and prevent short circuiting of the air flow."
A cargo of frozen chicken is being presented for loading into a conventional reefer vessel. Which of the options given is the most appropriate packaging method that should be used for such a cargo?
It should be wrapped in plastic and stowed loose.
It should be packed in cardboard cartons.
It should be packed in wooden cases.
It should be packed in plastic sacks.
If you have to carry out hot work close to a smoke detector in the engine room, what precautions should be taken?
No special precautions except for having a watch man and a fire extinguisher available.
Notify Master, Deck officer and engineer in charge.The loop for this special sensor to be switched off and take normal precautions for hot work.
Disconnect the smoke detector.
Notify deck officer in charge that a fire alarm may occur.
How many buoyant smoke signals are carried in each liferaft?
4
Nil
6
2
After checked for open airway, given the first two inflations and checked the pulse to make sure that the heart is beating, what is the rate of inflations given until natural breathing is restored ?
10 - 12 times per minute
25 - 27 times per minute
Doesn't matter how many times
12 - 16 times per minute
The centrifugal pump is not delivering water, what is the problem
Damaged impeller
Too low speed
All alternatives
Air leaks on suction side
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