海船船员考试轮机部三管轮模拟题2(轮机英语)

The shutter of the evaporator was blocked with _____, it means there was too much evaporation.

The refrigerating agent can _____ at low temperature in the evaporator.

Which of the following pumps belongs to centrifugal pump?

If the cooling water temperature and the lube oil temperature in a diesel engine are too high, the cause can be ________.

A substantial increase in crankcase pressure could be an indication of ______.

The output voltage of a three-phase alternator is regulated by the _____.

What is the result of converting 10℃ into degree of Fahrenheit?

Which of the following descriptions best identifies the operating principal of a flash-type evaporator?

_____ connected to the moving tiller will bring the floating lever pivot and the lever into line at right angles to the screw shaft axis.

Water evaporates or steam condenses at the saturation temperature, which depends upon the pressure, the higher the pressure _____ the saturation temperature.

In a common rail engine, the fuel is injected into cylinders .

Some chloronated flourocarbon refrigerants may decompose into a toxic irritating gas if it is _____.

A combustible gas indicator is used to determine _____.

_____ is the breakdown of surface tension between oil droplets in an oil water mixture which causes them to join and increase in size.

Lube oil cannot be efficiently filtered if its _____.

The cylinder covers and the liners are bolted together by means of studs _____ the cylinder frames.

Which statement regarding garbage disposal is correct?

A supercharged diesel engine when compared to a similar naturally aspirated diesel engine, will develop an increase in _____.

When separating the lube oil without additive, it is usually cleaned with hot water; the aim is to remove ____ from it.

SOLAS stands for____.

On which of the following heated surfaces of a flash type evaporator would you be more likely to find soft scale formation? .

The sealing rings are in four parts and pressed together around the piston rods by means of _____

_____ thrust and resistance equal each other, the ship always travels at a constant speed.

If an air compressor is used to supply air primarily to the combustion control system and other pneumatic controllers, the entire system is known as the _____.

The resistance of electric wire will decrease as its _____.

Radiation can spread a fire by _____.

A hydraulic machine is one that uses _____ to do work.

The low pressure side of a refrigeration system is considered to exist from the _____.

Propulsion engines and the vast majority of auxiliary generator engines are designed to allow a generous through-flow of scavenge air in order to control ____.

A carbon dioxide fire extinguisher has been partially discharged, and should be immediately _____.

Poor quality fuel being used in a turbocharged medium-speed, diesel engine could result in __________________.

A firemans outfit carried onboard cargo vessels, must have a _____.

If one of the bilge system manifold valves does not properly seat, the ______.

White smoke exhausting from a diesel engine can be caused by a _______.

A certificate, called a(an) ______ ,should be issued to a ship by the Administration.

The rotating range of the low speed diesel engine is usually lower than _____.

Safety valves on a boiler vent to the _____.

In a hydraulic system, _____ are used to protect the system from over pressure.

Which of the following statements represents the reason for rolling over a diesel engine with the cylinder indicator cocks open prior?

For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because _____.

When the ship is in restricted visibility, the officer in charge of the engineering watch shall ensure that ⅠBridge order relating to changes in speed or direction of operation are immediately implementedⅡ.auxiliary machinery used for maneuvering is readily availableⅢ.permanent air or steam pressure is available for sound signals.

The volatility of a liquid is the tendency of a liquid to _____.

During the PSC inspection, under the provisions of SOLAS 74, which one may not be regarded as clear grounds for ships’ detainment?

If water is found in the crankcase of a diesel engine, the cause may be due to______.

The operating medium for control systems may be _____.

When fuel oil has seriously contaminated a diesel engine lubricating oil, you should _____.

The Port Authorities, in accordance with the IMO resolutions have been carrying out _____ to enhance safety of ships.

Heavy residual fuel oils are heated prior to centrifuging to ______.

Obviously, for a given fuel oil, its pour point is _____ its cloud point.

If the buoyant force on a ships hull is equal to or greater than the displacement tonnage, the ship will _____.

The lower end of each piston rod is reduced in diameter to fit a bore in _____.

When there is no movement of the rams on an electro-hydraulic steering gear, the tilting box of the running pump is _____.

Which of the filter/strainer units listed permits you to clean the element while leaving the system on the line?

The lubricating system for the cylinder walls is different from the bearings in that the oil for former one is supplied in _____ while that for latter one is _____.

Bad valves operation of the reciprocating air compressors can be detected by observation of _____.

At the earliest indication of fire aboard your vessel, you must FIRST _____.

To avoid excessive surge pressure when bunkering, you should .

When reassembling the bowl of a disk-type centrifuge, the bowl or locking ring is rotated _____.

Hydraulic cranes must be properly warmed-up before being operated because _____.

An engineer, together with some motormen ______ to help in the repair work.

Reduced voltage applied to a motor during the starting period will _____.

If a diesel engine rotates slowly when cranked, but does not fire, the____.

“AMIDSHIPS” refers to ______.

After passing through the turbine the exhaust gas is conducted out into the _____.

If a diesel engine turned over freely but failed to start, the cause could be ________.

Heat damage to fuel injection nozzles can be prevented by avoiding ____.

A(n)____ is the documentary attestation for the delivery of stores and spare parts.

Zinc rods are installed in the refrigeration system .

On a large low-speed main propulsion diesel engine, lower main bearing wear is usually measured by using a/an _________.

If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?

According to Annex I of MARPOL 73/78, the instantaneous discharging rate of the oily waste from cargo tanks of oil tankers must be lower than .

The flash-evaporator is different with the submerged-tube evaporator in that for the former .

The resistance to the movement of the globule in oily water mixture depends on its size and the _____ of the fluid.

A Document of Compliance differs from a Safety Management Certificate in that the former is issued to ______ by the Administration.

What is the function of thermostatic expansion valve in a compression refrigeration system?

A dazzling white burner flame in the boiler furnace indicates _____.

Tools with ____handles should be used to check electric circuit.

You are transferring fuel from the storage tanks to the day tanks by means of an electric fuel oil transfer pumpIf the pump motor catches fire, you would FIRST _____.

In the process of _____, liquid changes into gas.

Fins are installed on the generating tube surfaces in waste heat boilers to _____.

_____ are used to handle anchors and chains.

Current measuring instruments must always be connected in _____.

Which of the following conditions must exist for heat to flow from one object to another?

The main purpose of an electric space heater installed in a large AC generator is to _____.

The cooling liquid used for the cylinder may be referred to as _____.

An ohmmeter can be used to measure_____.

“Inability to provide for the first watch at the commencement of a voyage and for subsequent relieving watches persons who are sufficiently rested and otherwise fit for duty” is considered to be one of the detainable deficiencies under .

Because of the reduced _____ in the distillation system, some of the sea water boils as it flows through the tubes of the evaporator.

One factor that determines the frequency of an alternator is the_____.

For a propeller direct driven by the engine, _____.

Which of the routine maintenance procedures listed is required for starting air receivers?

The cooling water jacket is common to all the cylinders but there are often _____ to ensure that each cylinder receives the right amount and flow of water.

To function properly, oil control rings used on a diesel engine piston must distribute sufficient oil to all parts of the cylinder wall and must also ________.

The majority of automatic mooring winches are spur geared to improve the backward efficiency of the gear train for rendering

Compensated flow control or constant flow valves are used in hydraulic systems to .

If it becomes necessary to pump bilges while a vessel is in port, which of the following procedures should be followed?

The officer in charge of the engineering watch shall ensure that at all times bridge orders relating to changes in _____ of operation are immediately implemented.

One of the differences between a two-stroke engine and a four-stroke engine is, .

_____ shall be continuously powered and shall have an automatic changeover to a stand by power supply in case of loss of normal power supply.

In the constant-tension mooring, the mooring lines holding the ship to the pier will maintain a constant tension even with changes in tide or ship’s draft, ______.

____, where minor repairs are carried out with a ship service, often during a stay in portThis may be remote from a ship repair site.

For a purifier changing to a gravity disc with smaller hole diameter will move the interface towards the_____.

The Company should establish in the SMS that _____ has the overriding authority and the responsibility to make decisions with respect to safety and pollution prevention.

Deficiencies in the categories of Life-saving, Safety in General, Fire-fighting Appliances and Load Line _____ approximately 66% of all deficiencies.

Piston cooling fins are located .

If a fire ignites in the engine room as a result of a high pressure fuel oil leak, you should FIRST _____.

Which one is NOT the ‘clear grounds’ for a more detailed inspection?

A diesel engine could fail to start because of ____.

A(n) _____ is a special type of valve which prevents the passage of steam but allows condensate to pass.

The position of the piston parts in relation to each other is secured by means of _____ in the crown.

The heated feed-water entering any flash chamber of a flash-type evaporator will __.

Excessive lube oil consumption can result from worn or broken ______________.

The heavy-duty lubricating oil with chemical has been widely introduced in recent years.

Which of the following problems will occur if the internal drain at either end of a hydraulic, two-way, spool-type directional control valve cylinder were to become plugged?

Which of the following condition is likely to develop if the thermocouple element of a pyrometer becomes coated with excessive amounts of combustion by-products?

Failure of the burner flame in an auxiliary boiler would probably be a result of .

The device used for preventing the passage of flames into enclosed spaces is called a _____.

When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?

_____ is used to produce electric power.

When you are asked to assist in accepting delivery of goods, you should .

High exhaust temperature and black smoke exhausting from an auxiliary diesel engine can be caused by _____.

The four-stroke engine is used for _____ and sometimes for main propulsion with a gearbox to provide a propeller speed of between 90 to 120 rev/min.

White smoke exhausting from an operating diesel engine may indicate ______.

The degree to which the viscosity of an oil will change with a change in temperature is indicated by the _____.

_____ may be fitted for operating the derrick topping lift (the wire which adjusts the derrick height).

At the top of the A-frames there is a strong cast iron frame. called _____.

_____ is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve.

The ignition of the fuel in diesel engine is caused by the _____ of compression of the air previously admitted into the cylinders.

A faulty thermostatic bypass valve, in a diesel engine cooling system, can result in ______.

The function of damper windings in a synchronous motor is to _____.

Every liquid has a pressure at which it will vaporize and this pressure varies with temperatureThe word “which” means _____.

The bedplate must be flexible enough to hog and sag with the foundation plate _____ it is attached and which forms part of the ship’s structure.

Which one of the following information can not be found in engine room induction according to the passage?

While the parallel operation, ____ must be used.

The humidity of the atmosphere can be determined by the use of the .

The engine is started with _____ supplied from air receivers.

The part of a fuse that melts and opens the circuit is made of _____.

_____ is a precaution which contributes to avoiding trouble under normal operating conditions.

A gate valve installed in a pipeline should be _____.

When a ship is entering to shallow water, ship resistance will be increased and the speed of main engine reducedDue to the function of the governor, the main engine will .

Under MARPOL Code the ship to which it applies has to carry ____.

Certain requirements must currently be met by a ship’s steering systemThere must be ______ independent means of steering, although where two identical power units are provided, an auxiliary unit is not required.

____ belongs to emergency power supplying equipments.

Low compression pressure in a diesel engine can be caused by_____________.

A manometer is used to measure _____.

The ISPS Code is a part of ____.

A main bearing consists of two shells which are secured by means of studs and _____.

_____ is sometimes used for piston cooling since leaks into the crankcase would not cause problems.

The _____ is not properly set thus causing either advanced or retarded firing.

Charging is the filling of the engine cylinder with a supply or charge of fresh air _____ compression.

Which of the following statements concerning energy is correct?

Water in the fuel can prevent the engine from starting, prevent it from developing full power, or _________.

Before starting a diesel engine that has an engine driven lube oil pump, the engineer should _____.

AC and DC generators are similar in that they _____.

Crankcase explosions in propulsion diesel result from_____.

Which of the following electric motors would be the safest and most reliable to use on the main deck of a vessel in foul weather conditions?

When installed for bilge pumping or ballast duty, centrifugal pumps require a ____ to remove air from the suction pipe.

Aburned exhaust valve may be detected by a higher than normal ______.

When it is necessary to open a refrigeration system for repairs and the system will be open for more than a few minutes, the open ends of the system should be _____.

Which of the following pumps are self-priming, and can deal with liquid from a level below the pump? (1) reciprocating; (2) rotary; (3) centrifugal.