轮机部三管轮考试模拟题7(轮机英语)

Safe welding practice requires .

The lowest temperature at which the vapor formed from a liquid ignites and continues to burn steadily in the presence of an ignition source is called the _____.

The fuel injection system is very important, so any trouble of it will _____ the operation of the main engine.

_____ is/are the legal survey institution(s) that stated by PRC.

The tailshaft sealing arrangement found a little lube oil leaky and caused a lot of seawater into the bearing, the step should be taken as a makeshift is____.

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

The main purpose of port State control is not to___________.

____ shall set security levels and provide guidance for protection from security incidents.

If a DC motor runs hot, the cause may be _____.

It is well known that the whole power distribution of the ship’s electrical services mainly depend on the______.

During PSC inspection related to the ISM Code, of the Safety Management System (SMS) should be carried out if clear grounds are established.

Before charging a refrigeration unit, the refrigerant charging lines should be .

Exhaust valve openings in a diesel engine cylinder head are made as large as practical to __________________.

Which of the following forms of energy is demonstrated through the process of combustion?

A sudden power loss from a turbocharged and after-cooled diesel engine is an indication of a/an＿.

To minimize the formation of carbon deposits on fuel injection nozzles, you should ______.

Fires in escaping flammable gas are quickly brought under control by .

Fuel oil transfer systems used onboard diesel propelled vessels are required to have _____.

If it becomes necessary to cutout an individual cylinder of a large, low-speed, main propulsion diesel engine, the fuel to that cylinder should be secured and its _________.

Refrigeration system compressor crankcase sweating is an indication of _____.

The only means of removing the latent heat of condensation from a refrigerant in the normal refrigeration cycle is by _____.

An advantage of aluminum pistons, when compared to cast iron pistons is _____.

The main moving parts of a diesel engine consist of the _____ and the pistons.

A centrifuge arranged to separate two liquids is known as _____.

When the propeller blades are integral with the hub, the propeller is called a _____.

On commonly used ships, if two A.Cgenerators are operated in parallel, the load is distributed evenly by _____.

If the PSCO from general impressions or observations on board has _____ for believing that the ship, its equipment or its crew do not substantially meet the requirements, the PSCO should proceed to a more detailed inspection.

When you are transferring fuel oil to the setting tanks, precautions to be observed should include .

The basic function of the centrifugal pump impeller is to _____.

The purpose of the delivery check valve used in a diesel fuel injection jerk pump is to _____.

A reservoir, as used in hydraulic systems aboard ship, is used to store hydraulic oilAnother function is to

Which of the valves listed is NOT considered to be a hydraulic system directional control valve?

Which of the following conditions can cause excessive lube oil consumption in a diesel engine?

In readying an auxiliary water-tube boiler for a routine hydrostatic test, which of the following procedures should be undertaken prior to filling the boiler with fresh water?

It is usual to identify the fluids in pipes by bands of paint at intervals, and the engineer should familiarize himself with the code in useAccording to the above sentence, which of the following statements is true?

Which of the following pumps is used where a relatively high pressure and small capacity are required?

During the dock repair, should be measured firstly before tail shaft drawn out.

A feedback is an input .

In order to communicate the threat at a port facility or for a ship, the Contracting Government will set the appropriate security levelsSecurity level 1 corresponds to .

____ , the repair in so short a time is unknown to us.

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

Electrical power is expressed in _____.

The rate of pressure rise during the period following fuel ignition in a diesel will result in ___________.

The purpose of treating the cooling water of the diesel engine is to Ⅰ.resist the scale formation in the cooling chamber Ⅱ.lubricate the engine part Ⅲ.increase thermal capacity Ⅳ.resist corrosion

Which features of a centrifugal pump reduce the need for renewing worn impellers and pump casings?

The essence of an abandon ship drill is that the survival crafts are manned and operated by the crew members assigned to them on the____.

While sailing under normal weather and sea condition, the basic parameter which is used to restrict the fuel injection of main engine is .

_____is not the main function of CCS.

The rate of fuel injection in a diesel engine cylinder depends primarily on _____.

The plunger in a jerk pump is rotated until the release port is uncoveredIf the port remains uncovered all of the time, which of the listed operations will occur?

Fuel injection uses the jet pump system and a Woodward type hydraulic _____ is used to control engine speed.

Any increase in the exhaust back pressure of a four-stroke/cycle diesel engine will _____.

The main propulsion diesel continues running after you try to shut downYou should now attempt to＿.

Which of the following statements is true concerning centrifugal pumps?

Compressed air is used on board ship for all the following purposes except _____.

If the engine does not start on air, it may be due to _____.

Which of the devices listed is common to all types of pumps?

Vents are led from the engine to head tank _____ from the cooling water.

Be sure to make the engine turn by _____ before starting and after stopping.

A warmer than normal compressor suction line might be caused by _____.

“The engine not obtaining the sufficient speed for firing” means that _____.

If a refrigeration compressor were short cycling on the low pressure cutout switch, the probable cause for this might be the ______.

A shallow dish positioned at the normal water level is connected to the____This enables the blowing down or removal of scum and impurities from the water surface.

The discharge flow of a reciprocating pump is _____.

On modern ships, centrifugal pump with a self-primer has replaced reciprocating pump as bilge pump because .

If ignited, which of the listed materials would be a class "B" fire?

When viewed from astern, if the propeller revolves in a clockwise direction when going ahead, it is known as _____.

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

If a tow-stroke/diesel engine is over-speeding due to leakage of lube oil into the cylinders, what should you do to stop the engine?

The sensing line for the low pressure cutout switch to a refrigeration system is located _____.

The main function of piston compression rings is to _______.

The best method of extinguishing a class A fire is to _____.

The exhaust system of a diesel engine is usually designed to remove exhaust gases and to ________.

The Oil Record Book, as a part of the ships official logbook, shall be kept on board and preserved for a period of _____.

According to the international regulations concerning the prevention of pollution of sea areas from ships, the disposal into the sea of all plastics is _____.

The purpose of an oil mist detector in a main propulsion diesel engine is to warn of __________.

Which of the following statements is correct concerning the “flash point” of a liquid?

When the starting air valve closes on one cylinder, another starting air valve has _____ opened on another cylinder whose piston has just commenced its downward stroke.

A(n) _____ is a device which adds to the energy of a liquid or gas causing an increase in its pressure and a movement of the fluid.

Which of the listed classes of fire is considered as one involving electrical equipment?

Which of the listed diesel engine operating conditions should be checked immediately after any diesel engine is started?

The A-frames carry the crosshead guides and support the engine ______.

Compressed air is used on board ship _____.

A check valve is another name for _____.

Diesel engine cylinder head test cocks are used to_____.

Which of the following is operated from the main engine room console on an automated vessel?

In the suction stroke air is induced into the cylinder _____In the compression stroke the air is compressed.

As the designated rudder angle is being achieved, as a result of the original command input, the steering gear follow-up mechanism is .

If there is water in fuel oil, the revolution of the engine will _____.

When we arrived here yesterday, their ship ______ for three days.

Fuel injected into a diesel engines cylinder is ignited by _____.

Piston compression rings used in a diesel engine function to _________.

When the refrigeration demand is small,_______.

A mixed-flow pump is a _____ pump classified by the working principle.

Some vessels are equipped with a water lubricated stern robeWhen at sea, operating under normal conditions, the water service valve from the ships saltwater system to the bearing should be _____.

Blow-off of the relief valves of the main cylinders during operation indicates _____.

The scavenging box is built of a number of sections provided with vertical flanges enabling them _____ together to form. two blocks.

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

The main generators are connected to_____.

Compared to a constant pitch propeller, a controllable pitch propeller _____.

The design of the connecting rod large end bearing is similar to that of the main bearingsWhats the meaning of "that" in the sentence above?

When an auxiliary boiler is panting and emitting black smoke, you should _____.

Modern marine diesel engines equipped with mechanical fuel injection operate on a combustion phase within the cycle which is_________.

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

Which of the conditions listed could cause the cylinder relief valves on a large, low-speed, propulsion diesel engine to lift?

Overgreasing of ball bearings installed on pumps will result in _____.

The diesel engine is similar to the gasoline engine in that ______.

Increasing the load on an engine equipped with a constant speed mechanical governor, will cause the engine speed to initially _____.

The depth of fuel oil in a tank is normally measured through the________.

Which of the following statements describes the functions of a reservoir used in a hydraulic system? .

If you observe smoke coming from the turbocharger of an auxiliary diesel engine, you should_____.

An advantage of DC motors over AC motors is that they _____.

Measure _____ by means of lead wire.

To protect the rotor of a motor disassembled for maintenance or overhaul, it should be ____.

In _____, hot diesel engine jacket water passes over the stack and heats the sea water passing through the tubes.

The advantage of a centrifugal pump as compared with a reciprocating pump is that _____.

If the temperature drops low enough, oil will not flow, _____ just tell us the temperature.

Air entering an air-cooled refrigeration system is indicated by _____.

A centrifuge will satisfactorily remove which of the following contaminants from fuel oil?

The switchboards for a.csystems differ from the d.cswitch gear in that the open type panels are generally_____ and the dead-front switch gear is the common rule.

Which of the following actions should normally be taken during each watch when the auxiliary boilers is in operation?

With reference to a vessel’s structural integrity, the most significant characteristic of a cryogenic liquid is its _____.

The operating speed of a turbocharger is directly dependent upon_____.

If you heard a ‘crackling’ noise in centrifugal pump, the most probable cause of the problem would be ___.

Movement of the diaphragm or bellows is _____ by a linkage to a needle or pointer display to indicate the differential pressure between two sides of the diaphragm or bellows.

A reciprocating pump belongs to _____ according to its working principle.

As a heat engine, _____ energy is the source of power by which the diesel engine can be operated.

To determine that a compartment contains sufficient oxygen to sustain life, you should use a/an _____.

Who is in charge of the main engine?

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

During working of an air compressor, _____ should be drained .

Why are removable sleeves installed on centrifugal pump shafts?

Either a low injection pressure or a leakage of piston rings is able to lead _____.

f a kind of liquid is used to cool the diesel engine, it is invariably called _____.

Air in the fuel lines of a diesel engine can cause __________.

Current flowing in only one direction is called _____.

The tool used in precision work to smooth or enlarge a slightly undersized hole, is called .

The fine filters will be arranged _____ one can be cleaned while the other is operating.

Which of following functions is not one of the functions of air conditioner?

A condition contributing to diesel engine piston rings sticking in the ring grooves, is insufficient ring clearance at the ring_____Igap IIside

Because of the resulting higher pressures in the cylinder from the combustion of this greater mass of fuel, and the larger diameters, the liner must be made _____ at the top to accommodate the higher stresses, and prevent cracking of the material.

The operating water is supplied under the ______of an oil separator.

For vessels with _____, the meaning of the order would include the combination of pitch and revolutions as indicated in ships orders.

The tube in a boiler should be blinded if found _____.

The delivery rate of an axial-piston hydraulic pump is controlled by varying the position of the _____.

In an ordinary diesel engine the fuel injection begins _____.

Late fuel injection timing is indicated by _________.

The bearings used to support the crankshaft are generally called _____.

In comparing engines of equal horsepower, higher exhaust gas temperatures occur in a/an_________.

Which of the following represents the maximum percent of oxygen by volume required to be achieved by a ship’s inert gas system, prior to the commencement of crude oil tank washing?