Головна Онлайн-тести CES Ch-Eng / 2nd-Eng Test online CES 5.1 for Ch-Eng / 2nd-Eng

Онлайн-тестування: Test online CES 5.1 for Ch-Eng / 2nd-Eng

Виберіть режим роботи з тестом:

Навчання

Онлайн-тест

Опис

Тест складається із випадкових питань з обраної теми.

Питання 1 з 90

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:

12 months / 4 years

6 months / 2 years

20 months / 3 years

30 months / 5 years

Which one of the listed requirements regarding lifeboat fittings do not correspond to present regulations? All lifeboats shall be fitted with:

a buoyant lifeline bucketed around the outside of the lifeboat

effective means for bailing or have self-bailing arrangement

a remotely operated steering arrangement

release device to enable forward painter to be released under tension

Give the meaning of the following symbol

Line throwing appliance

Rocket parachute flares

Survival craft distress pyrotechnic signals

Lifeboat hand flare

The aim of fire detection is

to activate the alarm

all the answers are correct

to discover where a fire starts

to begin applying an emergency plan

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.

The engine room is equipped with regular fire hoses and nozzles. What is important to observe when using water as an extinguisant in the engine room?

Water may short circuit electrical installation and may be a threat to the personnel operating the firehose as well as to electrical equipment itself.

Water has a clear limitation in fighting an oil fire.

All the mentioned alternatives.

To reduce the negative effect of water in an engine room, the spraying function to be used.The spray function will also give the personnel operating the fire hose good shelter against heat.

What is the minimum number of independently driven fire pumps that must be provided on general cargo ships of 1000 gross tonnage and upwards?

*In case each hydrant is not fitted with hose and nozzles, what is the requirement ?

Hoses with fixed nozzles must be kept ready for use in conspicuous positions near the hydrants

There must be a complete interchangeability of hose couplings and nozzles

Hoses and nozzles for each hydrant must be available at the fire stations

At each fire station, sufficient number of hoses with nozzles for the hydrants in the area shall be available

*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?

Three short blasts followed by three long blasts, then followed by three short blasts on the ship's whistle and alarm bells

Seven short blasts followed by one long blast on the ship's whistle and alarm bells

One long blast on the ship's whistle and alarm bells followed by seven short blasts

Intermittent signals on the ship's alarm bells

For a DSC-connection (no ‘distress alert’) with another vessel the following frequencies are used:

TX: 2187.5 kHz RX: 2187.5 kHz

Tx: 2187.5 kHz RX: 2182.0 kHz

TX: 2189.5 kHz RX: 2189.5 kHz

TX: 2177.0 kHz RX: 2177.0 kHz

If a coast-station doesn’t answer a call on VHF working channel or doesn’t send a reply signal:

You can repeat your call after 2 minutes

You can repeat your call immediately when convinced that no other radio traffic is interfered with

You must call on another working channel

You must call on distress channel

Which of the equipment listed is not included in the fireman's personal equipment? (SOLAS II-2/17.1.1)

An electric safety lamp

Leather safety boots and gloves

An axe

Protective clothing

You are in a position as illustrated. What is the instantaneous oil discharge limit according to MARPOL ?

120 L/nm

15 L/nm

30 L/nm

60 L/nm

You are the Sen.Off.Deck on vessel "A" and you have been involved in collision with vessel "B". Your cargo is fuel oil. The oil cargo is leaking out and the weather condition is good. What will you do to avoid the oil to reach and pollute the coast line?

By throwing chemicals on the water.

By putting the vessel mooring ropes as an oil boom around the vessel and the oil slick.

Asking any other vessel for immediately help.

By doing nothing and hope that the current will move the oil slick into the open sea.

A ship is being overtaken by another ship while proceeding along a river. What should be the required procedure?

The overtaking vessel can overtake but must allow sufficient space to reduce the interaction between the two vessels

The overtaking vessel should request permission from the other ship by sounding two prolonged blasts followed by two short blasts on the whistle or by direct VHF contact.

There should be no overtaking in these confined waters

The overtaking vessel should request permission to overtake from the Port Control VTS

What is the correct understanding of the term "bank effect"? If a ship was approaching the bank at an angle, what would be the effect on the ship?

The vessel's stern is pushed away from the bank

The vessel’s bow is attracted by the bank.

The whole vessel would continue straight towards the bank and would require a large helm order to avoid going aground.

The vessel's bow is pushed away from the bank

While navigating using a paper chart marked WGS84 the OOW plots the ships position by four different methods and they all give slightly different positions. Which of the following would be considered the most accurate.

Radar ranges from two radar destinctive headlands

GPS set on WGS84 datum

Bearing and distance from a navigation buoy close to the vessel

Gyro compass bearings from two lighthouses

In accordance with GMDSS rules, the frequency 2187.5 kHz is used for:

On scene communication

Distress traffic

Routine message

Distress alerting

Poster or signs shall be provided on or in the vicinity of survival craft and their launching controls. Which one of the following requirements has to be included ?

give information on survival craft capacity

give information on survival craft speed and seaworthiness

give an overview of location of all lifesaving appliances

give relevant instructions and warnings

Wearing an immersion suit when abandon ship is effective permits the person:

to climb up and down vertical ropes

not to wear warm clothing because the suit has sufficient insulation

not to wear a lifejacket because the suit has sufficient buoyancy

to jump from a height of 4.5m into the water without being injured or damaging the suit

Which one of the listed requirements regarding rescue boat equipment do not correspond to present regulations? The normal equipment of every rescue boat shall include:

a first-aid outfit in a watertight case

an efficient radar reflector

immersion suits for the number of persons the boat is permitted to accommodate

two buoyant rescue quoits attached to not less than 30m of line

Which one of the listed requirements regarding the stowage of a survival craft corresponds to present SOLAS regulations? Each survival craft shall be stowed:

In a secure and sheltered position and protected from damage by fire or explosion.

Wherever space is available.

In a state of readiness so that two crew-members can prepare for embarkation and launching in less than 15 minutes.

On the starboard side of the ship.

How often should each lifeboat be lowered into the water and manoeuvred with its operating crew aboard under SOLAS regulations?

Monthly

At least every three months

At least every six months

Once a year

In a distress situation and immendiately after the distress signal has been sounded, what next action should be taken by the officer on duty?

Send distress signal to call for help.

Use the intercom to inform crew and passengers of the reason for the alarm.

Call the nearest coast radio station.

Use the VHF radio telephone to ask ships in the vicinity to stand by.

*When reasonable and practicable, how often shall rescue boats be launched with their assigned crew aboard and manoeuvred in the water?

Every six months

Every two weeks

Every week

Every month

Which of the following detailed explanations should be mentioned in the Training Manual ?

The use of escape routes and other escape methods

The hazards of exposure and the need for warm clothing

The use of navigational equipment for survival crafts

The use of surface to air visual signals to be used by survivors

The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?

Correct donning of the protective clothing.

Correct use of on-board communication equipment.

Correct donning of life-jackets.

The use of oars and sails for survival crafts.

Who is the responsible person for the safety of the ship and all those onboard?

The Master

Master, Chief Officer and Chief Engineer

The company

The authorities in each different port the ship calls

What is the punishment for any shipmaster who in distress or other danger abandons the ship without this being necessary?

Shall be liable to imprisonment for a term not exceeding three years.

Shall be liable to fines or imprisonment for a term not exceeding six months.

Shall be liable to imprisonment for a term not exceeding one year.

Shall be liable to imprisonment for a term not exceeding two years.

What is the maximum allowable tank design pressure in the vapour space on Type "A" tanks?

0.43 barg.

0.5 barg.

0.25 barg.

0.7 barg.

Temperature sensors may be marked PT100. What does this mean?

100 ohm at 0° C

20 ohm at 100° C

100 ohm at 20° C

0ohm at 100° C

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

What is the main problem associated with a bulk cargo suffering moisture migration and developing a flow state

The may block up bilges

The cargo pile will remain stable

The cargo becomes semi-liquid and shifts easily causing major stability problems

The cargo may produce carbon dioxide gas

What would be a typical oil feed temperature for purifying heavy fuel oil in a centrifuge in order to ensure good separation?

105 - 108 Celsius.

95 - 98 Celsius.

85 - 88 Celsius

75 - 78 Celsius.

Failed O-rings on a 2 stage air compressor cylinder liner have resulted in a water leak. Where is the leaking water most likely to go when the compressor is operating?

Into the LP cylinder.

Into the HP cylinder.

Into the intercooler.

Into the crankcase and mix with the lube oil.

On a Container vessel, what is the function of a lashing plate?

As tie down point for turnbuckles on deck or hatch cover

A means of securing buttresses under-deck

A means of securing the hatch covers

A means of securing lashing chains

Where would the Official number be “carved” on the ship?

On the main engine

On the main mast

On the main beam

On the propeller shaft

What is "UNDER KEEL CLEARANCE", in the figure?

Under Keel Clearance is indicated by C, in the figure

Under Keel Clearance is indicated by A, in the figure

Under Keel Clearance is indicated by D, in the figure

Under Keel Clearance is indicated by B, in the figure

A heavy piece of machinery is loaded on deck of a container vessel, stowed across several flatrack containers. Select the most appropriate lashing method.

All lashings to be taken to the hatch top.

Some lashings direct to the flat rack and some to the hatch top, coaming and pillars.

All lashings to be taken to the flatrack lashing points.

All lashings to be taken to the hatch coamings, pillars and lashing bridges.

Chemicals and harmful substances are safely stored in a designated locker on board, why?

For safety reasons. Many substances found onboard are capable of damaging the health and safety of those exposed to them. Before any chemical or harmful substance is delivered to a crewmember, the personnel shall receive training, instructions and information so that they know and understand the risks arising from use.

Chemicals and harmful substances must be kept away from passengers so that they don't steal it.

For safety reasons and stock control. When chemicals or harmful substances is delivered to a crewmember, the user shall sign for the amount received.

For stock control. Most of the chemicals and harmful substances we use on board are expensive.

Many large 2 stroke marine diesel engines are equipped with an auxiliary scavenge air blower. What is the purpose of this equipment?

To provide combustion air at start up, during manouevring and low load running when the turbocharger delivery is insufficient.

To assist the main turbochargers in supplying combustion air when on full load.

To help cool the engine after it has been stopped.

To allow full load running when the main turbocharger is defective..

Can slop tanks be used for the carriage of oil and are they therefore included in the total cargo capacity of an oil tanker?

Slop tanks may be used for the carriage of oil when not being used for the carriage of slops and are included in the total cargo capacity of the vessel.

Slop tanks may only be used for the carriage of oil on clean ballast tankers and are only included in the total cargo capacity of this type of vessel.

Slop tanks may only be used for the carriage of oil cargo by agreement between the shipper, receiver and charterer. They are not normally included in the total cargo capacity of the vessel.

Slop tanks may not be used for the carriage of oil cargo under any circumstances and are not included in the total cargo capacity of the vessel.

The position of the ship is found by taking a series of bearings using a magnetic compass. How should an error of 5 degrees WEST be applied to the compass bearings?

The same error applies to all bearings and therefore it can be ignored

Add the 5 degrees to the bearings

Subtract 5 degrees to the bearings

The error should be "High" or "Low" and therefore more information is required.

What name is given to the short, intial wash given to tanks that have just contained certain particularly hazxardous cargoes before the ship leaves the unloading port and where the washings are landed to shore or to a slop barge?

A mandatory customer post discharge wash.

A confirmation cycle.

A SOLAS pre-flush.

A MARPOL pre-wash.

Which of the following international regulations is normally used when handling dangerous goods?

IMDG code

SOLAS code

KLMNG code

HB code

When working in areas which requires the use of a ladder, should you:

Use a safety belt/harness and secure it to a fixed piece of equipment/ship-s structure.

All of the listed alternatives.

Secure the ladder top and bottom.

Have a person standing by at the scene/bottom of ladder.

Which of the suggested navigational systems is a "Hyperbolic" navigational system and has hyperbolae as position lines?

Loran C

Radio Direction Finder

All of the suggested systems

GPS

Which of these factors will NOT affect the necessary time needed to settle oil on top of the water in the sloptank?

The temperature in the sloptank

The weather conditions

The quality of the Crude Oil Washing performed during the last discharging

The density of the oil in the sloptank

HP pressure fuel pumps for medium speed engines are often provided with visible witness marks on the pump casing and the pump tappet. These along with flywheel position can be used to check the fuel timing for the individual pump. Wfrom the options given select what is actually indicated when the witness marks are aligned?

That the pump plunger has reached the end of its stroke.

That the pump plunger has just uncovered the spill port.

That the main piston for that particular cylinder is at top dead centre position.

That the pump plunger has just covered the spill port.

Modern cellular container vessels which carry refrigerated cargo below deck mainly maintain an acceptable temperature in the cargo holds by which of the features given in the options?

By designing the vessels with a larger gap between the columns of containers.

By using large natural ventilators to achieve the required air changes.

By using powerful mechanical fans to achieve a large number of air changes.

By insulating the fuel tanks in the vicinity of the cargo space.

The operation of a diesel engine is controlled by a mechanical-hydraulic, compensated speed sensing governor. How will the governor control be affected if the compensation needle valve is closed in and the engine load changes?

The governor will hunt resulting in erratic engine speed control.

Engine speed control will be sluggish.

A change in load will not affect a speed sensing governor.

Altering the compensation needle valve has no effect on speed control.

When conducting a risk assessment for a shipboard work activity, what are the two elements to be considered?

The chance of an incident re-occuring and the potential effects of an loss.

The available manpower and their experience in this type of work.

The potential severity of harm and the likelihood that harm will occur.

The time available to complete the task and the resources to hand.

What is the purpose of an automatic trip system onboard, and how does this function?

Automatic trip is to avoid tanks being cooled too much, the trip function is often initialised by a float switch or a temperature switch.

Automatic trip is to avoid vacuum to be generated in cargo tanks.

Automatic trip is to avoid over pressurising in cargo tanks and other pressurised vessels, the trip function is often initialised by a float switch.

Automatic trip is to avoid tanks and pressurised vessels becoming overloaded, the trip function is often initialised by a float switch.

Under what circumstances may a watch-keeping engineer undertake other duties?

A watch-keeping engineer may undertake other duties when the main propulsion controls are in manual operating mode

A watch-keeping engineer may undertake other duties when the main propulsion system requires constant supervision

A watch-keeping engineer may undertake other duties when he has been properly relieved of his watch-keeping duties

A watch-keeping engineer may undertake other duties when the ship is at sea and the weather is calm

What will happen to the temperature in a cargo tank loaded with LNG if the vapour pressure is reduced by removing more vapour than is generated?

The LNG temperature will decrease.

The LNG temperature will remain the same, but the pressure will increase.

The LNG temperature will increase.

In order to make up the equilibrium pressure corresponding to its temperature, the vaporisation will accelerate because of increased heat.

What could be the reason for the magnetic compass to swing through large angles when the ship is rolling in a seaway?

The error due to deviation is large for that ships heading

The heeling error magnets are upside down and/or not in the correct position.

The Coefficient B determined by the Compass Corrector at the last dry-dock was not correctly calculated.

The induced magnetism from the earth's magnetic field is very strong in that area

What is meant by being intrinsically safe?

Electric wiring executed by approved manufacture?

Any electrical product, being water resistant?

Explosion proof product having a special wiring system?

Can not produce enough energy to ignite a gas (explode)?

Why should elevators not be used in an emergency?

Too few people can be moved in an elevator.

The elevator is reserved for people with special needs.

Power could fail and passengers could be trapped inside.

Engineering will shut down the ship's power and the elevator will be useless.

The figures show a graphical symbol for a particular electronic component and a typical operating characteristic for the same component. Which component?

Zener diode

Field effect transistor

Triac

Tunnel diode

On a Container vessel, what will happen if an unsafe stevedore working practice in the United States is not corrected by ship's personnel?

The port will lodge a protest against the ship

The ship will be detained by the port state control authority

The ship will be prosecuted

The ship's personnel involved with cargo operations will be arrested

What is a Declaration of Security?

A checklist jointly completed by the Ship Security Officer and the U.S. Coast Guard

A document stating the ship’s security level

A document between the port and the cargo owner stating security

A checklist jointly completed by the ship and shore security representatives

What is the purpose of girders in the tank?

They support the stiffeners

They transfer all the sea forces acting on the plating

They transfer all the cargo forces acting on the plating

They support the stiffeners and also take up some of the sea forces

A steel spear thermometer is to be used to check the pulp temperatures of a cargo of chilled beef which is vacuum wrapped in plastic and packed in cardboard cartons. Which of the given options is the most appropriate method of using the thermometer to get the pulp temperatures of this high value commodity?

Remove the carton lid and drive the thermometer directly into one of the pieces of beef through the plastic wrapping.

Drive the thermometer directly through the carton and the plastic wrapping into the beef.

Remove the lid of the carton and place the thermometer so that it is completely covered between two of the plastic wrapped pieces of beef.

Drive the thermometer through the cardboard but avoid piercing the plastic wrappings.

The electric motor on one of your centrifugal pumps has for a period of time gradually been running at lower and lower Amp-load. The pump is still supplying water, but the pressure is reduced. Which of the below alternatives is probably the reason?

The pump is running at lower speed due to short circuit in the electric motor.

Inner diameter of impeller is bigger due to cavitations, or outer diameter reduced by erosion.

The pump has been more effective because the suction strainer has been removed.

The pump has suction from many places at the same time.

The typical “daylight-frequencies” for long distance transmission are located in the:

16 or 22 MHz-band

Don't know

8 or 12 MHz-band

4 or 6 MHz-band

Eavesdropping and phone taps are examples of which threat to information security?

Terrorism

Sabotage

Subversion

Espionage

Prior to loading a reefer cargo it is good practise to carry out an 'ice test' of the temperature sensors within the cargo space. Part of the test is to immerse the sensors in a test bucket of known temperature, usually zero degrees Celsius as this is the melting point of ice. Which of the options is correct in relation to preparing the test bucket?

Insulated ice buckets should be filled with crushed ice purchased in bulk from a shore supplier.

Insulated ice buckets should be filled with ice produced in the vessel's low temperature chamber. A hole the exact size of the sensor should be drilled into the ice and the sensor inserted into the hole to give a rapid test process.

Insulated ice buckets should be filled with ice cubes approximately 2 centimetres square which have been made from clean distilled water.

Insulated ice buckets should be filled with ice cubes approximately 2 centimetres square and a small quantity of distilled water to produce an ice-water mixture. The ice cubes should be produced from clean distilled water.

When should additional lashings on general cargoes be considered?

When heavy weather is anticipated for the planned voyage

When passing through the Tropical Zone in winter months

When passing through the Summer Zone in winter months

With the onset of heavy weather

On a Container vessel, where should containers containing marine pollutants be stowed?

Under-deck

In the foremost container bay on deck

Anywhere on deck at the extremity of a container stow

In the last container bay on deck

Refrigerated cargo spaces are fitted with temperature sensors and in some cases carbon dioxide sensors. From the options given select the one which best completes the following statement. "Monitoring the carbon dioxide content in a cargo space loaded with fruit can be useful because…

… low levels indicate that there are insufficient numbers of air changes."

… increasing levels indicate that the fruit may be starting to ripen."

… its presence indicates that the fruit is ripe."

… its presence indicates that the fruit is still not ripe."

What is the BC Code?

The Code of Safe Practice for Bulk Carriers

The Bulk Carrier Code

The Break-bulk Cargo Code

The Code of Safe Practice for Solid Bulk Cargoes

What do you understand by the term ‘Separated From’, with regard to the stowage of dangerous goods on deck?

Separation by a distance of at least 3m vertically

Separation by a distance of at least 3m horizontally

Separation by a distance of at least 6m horizontally

Separated from the accommodation by at least one cargo space

Reefer vessels form part of the 'cold chain' in the transport of perishable goods from the producer to the consumer. There are times when hatches have to remain open in less than perfect conditions, for example strong winds. There are steps that can be taken however to mitigate the effects of this on cargo that has already been loaded. Which of the options given could be considered to be the most important measure to counter the effect of such conditions?

Run the cargo fans continuously during cargo operations.

Refrain from ventilating the cargo with fresh air.

Reduce the air delivery temperature.

Cover the stow with a Tenasco (heavy plastic) sheet where possible to protect it from the wind.

Who should operate ships' ramps, car platforms, retractable car decks and similar equipment?

All crew working on ro-ro deck.

Only the ships' officers.

Only competent persons authorised by a responsible ships' officer, in accordance with the company's work instructions.

Bosun and the loading officer

What is the name of this unit?

A hydrostatic release unit

A liferaft release unit

An antistatic release unit

A slip hook

What would be the correct form of response to the question: What is the visibility in your position?

The correct form of response would be: Visibility is poor

The correct form of response would be: Visibility is okay

The correct form of response would be: Visibility in my position is two hundred meters

The correct form of response would be: Visibility is medium

How is the bilge pump protected from cargo debris being sucked in from the bilges?

Filter in the bilge suction pipeline

Non-return valve

Keeping the bilge space clean at all times

Strum box

When disconnecting the cargo hose after discharging, some oil is drained into the drip-tray under the manifold which already contains a small amount of dirty water. What is the correct way to dispose of this oil?

Drain it to a cargo tank.

Mix in an appropriate quanoity of dispersant chemicals and drain it overboard when in open water.

Drain it overboard when the vessel is 50 nautical miles off the coast.

Transfer it to the sloptank and later discharge it to a reception facility.

This circuit is a logic gate with two input signals, A and B, and one output signal Q. Which type of logic function is the gate giving?

OR gate

AND gate

NAND gate

NOR gate

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

How many categories of Seed Cake are there in the Code of Safe Practice for Solid Bulk Cargoes (BC Code)?

In which situation might you have to use non-verbal communication with passengers?

There is an explosion in the cargo hold.

You are outside in a severe storm.

The ship's electrical system has failed.

The ship's communication system is not working.

During maintenance work at sea an engine room rating is moving a heavy component to the workshop using a chain block attached to an overhead trolley on a rail. Part way through the operation the rating is asked by the engineer to go immediately to the store for some equipment. What should the rating do?

Immediately land the component on the deck and secure it to a hand rail stanchion and go and get the equipment from the store.

Leave the component suspended from the chain block and go and collect the equipment from the store.

Continue with the moving operation until the component is properly secured in the workshop before going to the store for the equipment.

Immediately land the component on the deck but leave the chain block attached and go and collect the equipment from the store.

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 C on the figure

Forward breast line is given by D on the figure

Forward breast line is given by A on the figure

Forward breast line is given by B on the figure

On a Container vessel, under which IMDG Class is fishmeal normally carried when treated with anti-oxidant?

Class 5.1 - Oxidizing substance

Class 4.2 - Flammable solid

Class 9 - Miscellaneous dangerous substances and articles

Class 4.1 - Flammable solid

It is very important to follow a maintenance schedule. Why?

Cleaning of the bowl is only needed.

Not important at all.

To prevent serious damages on main components.

To improve the purifier-s efficiency.

Welding and use of open flames on board tankers in operation are subject to regulation laid down by the Norwegian Maritime Directorate (Norwegian Ship Control Legislation - NSCL). Which of the listed requirements regarding washing and gas freeing before hot work in cargo tanks corresponds to these regulations? (NSCL 22/1294/5).

If measurements show no gas developement during the first 24 hours work period, no more measurements are required.

In addition to washing, the tank bottom and corrosion elements shall be thoroughly cleaned.

Atmosphere in tank to be checked every 4 hours during hot work.

The atmosphere in the tank where hot work is to be carried out, and adjacent tanks shall be checked immediately prior to commencement of hot work.

For a large increase in the specific gravity of the oil, the gravity disc hole diameter should be:

Increased.

Reduced.

Kept the same.

Hole diameter is of no importance.

After closing the drain during the blowing procedure for a glass water gauge, the water cock is opened and the water flows to the top of the glass. Then the steam cock is opened and the water flows down and out of the glass; Which of the following statements are correct?

The water level is normal, but it requires time for the gauge glass to stabilise. It is safe to put feed water into the boiler.

The water level is above the steam cock connection of the boiler. There is a danger of priming the boiler if any additional feed is put into it.

The water level in the boiler is below the water cock connection of the boiler. It is unsafe to put feed water into the boiler.

The water level is between the water cock connection of the boiler, and the bottom of the gauge glass. It is safe to put feed water into the boiler.

What would be the most probable cause of a drop in the lubricating oil pressure?

Piston rings have stuck.

The chain is slack.

A bearing is damaged.

Too low admission on fuel injection pump.

Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.