海船船员考试轮机部三管轮模拟题5(轮机英语)

The stability of a vessel is normally the greatest when all fuel and water tanks are full because the _____.

Which of the listed problems would be indicated by an accumulation of water in one cylinder, in addition to the crankcase of an idle diesel engine?

When turning the engine with turning gear, you should keep the indicator cocks _____.

During compressors running the accumulated moisture in the separators must be _____.

The propeller is pushed on to the tubeshaft taper and made tight by _____.

An oil in water monitor is required in order to measure _____.

After received the “finished with engine” instruction, which of the following operations is false?

The sludge tank installed in the diesel engine room is used to collect_______Isludge from the fuel oil settling tanks ad centrifuge IIwater that has been collected in the settling tank

Whether using a centrifuge or a simple filter, oil cleaning and filtration will be the most effective when the oil is at a _____.

The actual rudder angle reading is .

Which of the fire extinguishers listed is to be weighed annually and sent ashore for recharging if the weight loss exceeds 10% of the weight of a full charge?

It is no ______ arguing about this problem, because our agent will never change his mind.

The DC excitation to the field of brushless synchronous is generally produced by .

A diesel engine may be hard to start if the ____.

The ____ is used to handle the ropes and wires.

Where an excessive level of contamination is detected an alarm is sounded and diverting valves are operatedThe discharging liquid is then passed to _____.

One of the factors limiting the amount of load which can be put on a modern marine diesel engine is the ________.

A condition that can increase the foaming tendency of lube oil is ______.

The abbreviation BDC means _____.

The consistent burning of fuel oil with a high sulfur content in a diesel engine will result in .

The crankshaft is of the semi built type, with the journal _____ the forged or cast steel crank throws.

The purpose of the flywheel is to ___________.

The term "discharge", as it applies to the pollution regulations, means__

Which of the followings is not an indication of a bad maintenance? _____________.

Excessive clearances in the main or crank-pin bearings will sometimes be indicated by _____ before any bearing knock is heard.

A fluid coil will _____ large quantifies of heat when it changes state from a vapor to a liquid.

The specific gravity of fuel oil is a _____.

An electrical device which employs a stationary armature and a rotating electromagnetic field is used aboard ship as a _____.

How are the pressure and temperature affected in a diesel engine cylinder during compression?

In the combustion chamber, the part whose surface is exposed to the highest temperature is the _____.

_____ is used for sensing the temperature of the room in the air condition system.

____ is not a part of the main switchboard.

The ____ is used to handle the anchor.

With respect to centrifugal pump impellers, which of the following descriptions represents the correct centrifugal pump classification? .

If the PSCO has clear grounds for carrying out a more detailed inspection,________.

The greatest detrimental effect on idle electrical equipment, such as cargo pump motors, is the_____

Crude oil washing of cargo tanks has the following advantages except for .

The seven segment arrangement for numerical(数字的) display on consoles, test meters and other applications can be either .

The outlet from an expansion tank of a closed freshwater cooling system should be piped to the _____.

Engine _____ refers to the relative time of position of crank, at which each operation during the cycle is commenced and is completed.

The water in an auxiliary boiler should be chemically tested daily for alkalinity and .

The hand steering is a method by which the motion of the rudder is controlled with _____.

All of the following are part of the fire triangle EXCEPT _____.

Which cause of the following can lead to the engine not to start on air?

In a diesel engine, a positive displacement type blower is usually ___________.

Before replacing a piston you should check the rings to see that all clearances and gaps are _____ the permissible tolerances.

An alternator is being paralleled with one on the lineAt the INSTANT the circuit breaker is closed, the frequency of the incoming alternator will normally _____.

With a vacuum boiling evaporator, the remainder of sea water fed to the evaporator is pumped out by _____.

What separate the high pressure side from the low pressure side in a refrigeration system?

A piston in a four-stroke/cycle diesel engine makes four strokes during each _____.

______, the following possible causes should be investigated.

It is necessary for the ship to contact ____ for authorization prior to undertaking mitigating actions in an oil pollution incident.

The crank chamber oil _____.

Which of the devices listed is installed on a diesel engine to isolate some of the crankshaft vibrations caused by rotational and reciprocating forces?

The function of _____ in a refrigeration plant using Freon is to move moisture from all refrigeration system.

While inspecting the main bearings on a diesel engine you find impregnated dirt and scratches in the bearing surface .you would, therefore, suspect that _______.

A large oil fire is best extinguished with .

When you are making a high potential test on a piece of repaired electrical machinery, a rise in leakage current indicates _____.

Which of the following is true? .

The main steering gear must be able to steer the ship at maximum ahead service speed and be capable at this speed, and at the ships deepest service draught, of putting the rudder from 35 degrees on one side to 30 degrees on the other side within no _____.

Vee-type engines have the connecting rods from two cylinders connected to each _____ of the crankshaft.

The amount of fuel delivered by a helical plunger fuel injection pump is controlled by ______.

You are about to enter a compartment to investigate a suspected smoldering fireIf youre not wearing a self-contained breathing apparatus, you should test the compartments atmosphere to determine if there is/are _____.

Care and cleanliness are required when installing diesel fuel filters _____.

Energy loses ______ friction occurs in every engine.

The following measures can be used to improve oily water separator’s separating effect except ____.

Which of the following operations need NOT to be entered on the Oil Record Book Part I? (1) Disposal of oil residues; (2) Internal transfer of fuel oil

One method of constructing large marine diesel engines and reducing the total engine frame. weight is through _____.

A portable foam fire extinguisher is placed in operation by ____.

To maintain the down stream pressure within defined limits over a range of flow and despite any changes in supply pressure, _____ is fitted.

While reading the station bill, you find "three (3) short blasts on the whistle and three (3) short tings on the general alarm bells," this signal is for _____.

The pressure of pilot air is usually _____ than that of starting air.

When fuel is injected late into a diesel engine cylinder,______.

Before being shut down, a diesel engine should idle a few minutes in order to ＿.

To correct the condition of slugging and flooding back in a refrigeration system, it may be necessary to _____.

____ can not cause oil flow from water outlet of self-cleaning separator.

When disassembling or assembling an injection pump plunger and barrel you should ___________.

The removal of _____ from lubricating oil will reduce engine wear and possible breakdowns.

In _____ pumps a closed discharge valve will cause bursting discharge pressure.

In an oily water separator the oil will travel _____ to the oil collecting spaces.

The starting air system usually has _____ to prevent starting if anything is not in order.

The water in an auxiliary boiler should be tested for chloride content to determine _____.

The _____ is used to measure the volume of a liquid or gas through a pipeline within any given period of time.

Lubricating systems for diesel engines are usually designed to initially provide lube oil to the engine _____.

Which of the following statements describes one of the functions of the ballast system?

Performance of a turbocharged engine can be improved by .

Diesel engines driving alternators operating in parallel must maintain set frequency regardless of load changesThe governor characteristic used to accomplish this is known as _______.

The amount of fluid delivered by a centrifugal pump can be regulated by _____.

Water accumulating in the crankcase of a diesel engine could indicate_______.

All three systems have the ports _____ to swirl the incoming air and direct it in the appropriate path.

_____ is the production of pure water from sea water by evaporation and re-condensing.

Although the crankshafts of medium diesel engines appear to be robust, they rely on the support of _____ to develop their full strength.

International Management Code for the safety operation of ships and for pollution prevention is simplified as ______.

The relative air pressure in the inlet manifold of a turbocharged diesel engine is usually________.

Although lube oils used in the main lubricating service systems should have a relatively high flash point to avoid ignition, they can create smoke and fire hazards when they .

After repair, the voyage trial of the M.Eshould be done ____.

In a large, slow-speed, main propulsion diesel engine, which of the parts listed is under tension when the engine is running?

In an internal combustion engine, which of the devices listed will force the compression rings to seal the compression gases in the space above the piston?

In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a _____ in the crankshaft to the bottom end bearing and then up a connection rod to the gudgeon pin.

The lower end of each piston rod is reduced in diameter to fit a bore in _____, this being secured to the piston rod by a nut.

Our company has built a new ship in Hamburg and I am going to fly there to ______.

The abbreviation "TDS" about the potable water probably means _____.

A DC generator is used to supply direct current in order to maintain an AC generator field and is known as a/an _____.

If the length of a wire is halved and the cross-sectional area is doubled, the resistance will be _____.

The viscosity regulator controls the fuel oil temperature _____ provide oil at the correct viscosity for combustion.

High exhaust back pressure will result in an increase in .

Which of the following influences the position of the interface between the liquid seal and the oil in a purifier?

For many years marine centrifuges were designed for _____ operation, that is the machines were run for a period during which solids accumulated in the bowlThe machine was stopped when the accumulated solids began to impair its performance.

On what do you depend having the air cooler of main engine chemically washed?

The displacement of a ship is to the total weight, all told, of the relevant loaded ship.

The symbol (GB786.1-93) at right side represents ____.

Large, two-stroke/cycle, main propulsion, diesel engine cylinders can be successfully pressure charged during normal operation, by using the _____.

One hour before sailing, the duty engineer and officer should check ____.

Injectors for use with heavy fuel oil must be cooled by either water or light oil to _____.

Unlike the globe valve, gate valves give full bore flow without change of direction, such a valve is not suitable to partially open operationAccording to the above sentence, which of the following statements is not true?

The thermostatic valve has a throttling action, that is to say the valve can .

Safety-management objectives of the Company should establish safeguards _____ all identified risks.

All bilge suctions must be fitted with suitable _____, which in the machinery space would be mud boxes positioned at floor plate level for easy access.

For one or two types of engine, the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through _____.

It was ______ midnight that we removed the trouble and went back to our cabin.

_____uses one or two high pressure pumps for all the cylinders with one more____ standby, while______have a separate high-pressure pump for each cylinder.

The officer in charge of the engineering watch shall ensure that all machinery involved with the maneuvering of the ship can be immediately be placed in the manual mode of operation when notified that the ship is ____.

Thermocouple pyrometers are used on large, main propulsion diesel engines to indicate the temperature of the_______.

The compressed air is supplied by _____ to the air reservoirs.

A practical way of checking for excessive fuel injection in one cylinder of an operating diesel engine is to ____.

Placing a filter on the _____ of an oily water separator will "polish" the discharge but overloading must be avoided.

_____ of an engine crankshaft can be detected by measuring deflections of crank webs for each unit of the engine.

According to Annex V of MARPOL 73/78, the dunnage, lining and packing materials which will float can be discharged when the ship is more than______away from the nearest land.

When a waste heat boiler is installed in the exhaust of a main propulsion diesel engine, the exhaust gas bypass would be used _____.（与0805题重复）

Increasing the speed of a rotary pump above its rated speed will result in which of the following conditions to occur?

____ is power supplied by main switchboard directly not through sub-board.

The valve which is most suited for regulating the flow through a pipeline is a .

According to our calculation there is shortage of ten tons of oil compared with yoursI can’t sign the oil ______.

Which of the circumstances listed is an exception to the garbage discharge requirements in Annex V to MARPOL 73/78?

In each cylinder cover is a large central opening for mounting _____.

Before doing maintenance on electrical equipment, you should ____.

Bottom blow valves are installed on auxiliary water-tube boilers to ___________.

An oil water monitor is required in order to measure _____.

By far the greatest use is for diesel engine starting using air pressure of 25 bar or more provided by _____.

In order to properly remove air from the casing of a centrifugal pump when starting, the pump should have a _____.

Main engines as well as auxiliary engines operating on heavy fuel should have continuous on the lubricating oil, either according to the bypass or batch principles.

A re-heater, as used in an air conditioning system, is designed to control the ______.

_____ should be tested and adjusted when the boiler survey is carried out.

Fuel pump index is _____.

A pressure drop through the refrigerant liquid line may cause _____.

In which of the listed refrigeration system components does superheating of the refrigerant take place?

A vessel is required to carry an Oil Record Book Part I to log entries in the book regarding the _____.

A Document or Compliance differs from a Safety Management Certificate in that the latter is issued to ___ by the Administration.

All the rings are slightly rounded on their external top and bottom edges to keep the oil film on the cylinder liner during _____ for new piston rings.

In a marine diesel engine the oil sump is _____.

Auxiliary machinery covers everything onboard except _____.

The air compressor pumps air to the_____

The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by _____.

Pistons of marine medium speed diesel engines may be made of _____ in order to keep the weight down for balancing purpose at high speed.

When adding oil to a refrigeration system, precautions must be taken to ensure that .

A ruptured diaphragm in a thermostatic expansion valve will cause the valve to _____.

______ means the level for which minimum appropriate protective security measures shall be maintained at all times, threats and exchanging such information with appropriate Contracting Governments.

The heat removed from the refrigerant in the condenser of a refrigeration plant is the _____.

It should be apparent that little or nothing is gained by opening a drain at the same time as or after admitting steamThe above sentence probably means _____.

Aqueous Film Forming Foam (AFFF), commonly known as ‘light water’, is especially suitable for fighting ____.