轮机英语题库

1、It is during _____ that work energy is being put into the engine; during the other 3 strokes of the piston, the engine is having to do the work.

A. the suction stroke

B. the compression stroke

C. the expansion stroke

D. the exhaust stroke

2、The Convention is the first to establish basic requirements on training certification and

watch-keeping for seafarers on an international level.新题:287

A. STCW78

B. STCW95

C. SOLAS74

D. SOLAS88

3、The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the . (新题:294)

A. Navigation Log Book

B. Engine Room Log Book

C. Oil Record Book

D. Muster List

4、The additional mark _______ in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically. (新题:300)

A. BRC

B. MCC

C. AUT-0

D. AUT-1

5、The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated . (:新题:361)

A. for atomizing

B. for centrifuging

C. in a storage tank

D. in the re-circulating line

6、Using a file without a handle may result in . (新题:374)

A. your work becoming rounded

B. injury to your hand

C. overheating of the file

D. pinning

7、. “Insufficiency of manning or insufficiency of certification of seafarers” is an identif ication of a . (新题:386)

A. substandard ship

B. standard ship

C. over-standard ship

D. reference ship

8、Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the . (新题:450)

A. double bottom fuel oil tank temperature

B. heater supply steam flow

C. pressure of the fuel supplied to the burners

D. attemperator steam flow in the heater discharge circuit

9、Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators? (新题:464)

A. Sensitivity

B. Power

C. Speed droop

D. Compensation

10、To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used? (新题:557)

A. Speed limiting governor

B. Over-speed governor

C. Over-speed trip

D. Over-speed relay

11、By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a________. (新题:763)

A. tachometer

B. pyrometer

C. dynamometer

D. calorimeter

12、Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency? (新题:779)

A. Impeller

B. Compressor

C. After-cooler

D. Exhaust differ

13、The condensers located in various stages of a flash evaporator are cooled by___. (新题:824)

A. distillate

B. seawater

C. brine

D. air

14、The cetane rating of diesel fuel is an indication of the ________. (新题:930)

A. ignition quality of the fuel

B. calorific value of the fuel

C. flash point of the fuel

D. rate of fuel consumption

15、Diesel engine air start system check valves are opened by ________. (新题:1031)

A. an air start cam

B. cylinder compression pressure

C. starting air pressure

D. valve springs

16、Cold weather starting of a diesel engine may be made easier by . (新题:1123)

A. decreasing the compression ratio

B. using a special fuel having a high ignition temperature

C. increasing the starting air supply

D. heating the jacket water

17、Flame failure in an automatically fired auxiliary boiler can from a/an _________. (新题:1214)

A. incorrect electrode setting

B. incorrect nozzle position

C. clogged fuel nozzle

D. broken high tension lead

18、Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions? (新题:1245)

A. Sub-cooled liquid

B. Sub-cooled vapor

C. Superheated vapor

D. Liquid

19、A purge recovery system is used in a centrifugal air conditioning or refrigeration system to

_____. (新题:1273)

A. purge lube oil from the liquid refrigerant

B. recover water purged from the system

C. separate foul gases from the receiver

D. purge non-condensable gases without losing refrigerant

20、For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined? (新题:1323)

A. the temperature and flow quantity of the exhaust gas from M.E

B. the quantity of steam demanded

C. the rotary speed and the cooling water temperature of main engine

D. efficiency of M.E turbocharger

21、____ are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant. (新题:1449)

A. anaerobic bacteria

B. aerobic bacteria

C. air bubbles

D. disinfection chemicals

22、____ connectors hold best if a wire is accidentally pulled or a connection becomes loose. (新题:1466)

A. Ring type

B. Fork type

C. Spade type

D. Push on pull off type

23、The shipboard oil pollution emergency plan will be invalid after ____. (新题:1489)

A. one year

B. two years

C. four years

D. five years

24、Which one is NOT the …clear grounds? for a m ore detailed inspection? (新题:1496)

A. the master and the chief engineer are unable to communicate effectively

B. serious corrosion on the hull

C. damaged sanitary pump

D. one page missing in the oil record book

25、Under MARPOL Code the ship to which it applies has to carry ____. (:新题:1521)

A. an International Ship Security Certificate

B. an International Oil Pollution Certificate

C. a Safety Management Certificate

D. an International Ballast Water Management Certificate

26、Engine parameters shall be corresponded to NOx Technical Files. This is required by ____. (新题:1527)

A. MARPOL Annex III

B. MARPOL Annex VI

C. MARPOL Annex V

D. MARPOL Annex VI

27、If separating effect is not good, which measure should be taken ____. (新题:1568)

A. working at intervals and properly heating

B. warming up to 70℃, increase water supply flow

C. improving impulse of water supply

D. reducing water supply flow

28、When does auxiliary burner of incinerator put into operation? I. start incinerator when it is cold II. the sludge for dealing with is little III. the sludge for dealing with is large IV. the water and impurity in sludge are too much V. the temperature in incinerator is low VI. dealing with little solid rubbish (新题:1572)

A. I+II+III+V

B. I+II+III+IV

C. I+IV+V+VI

D. I+II+III+VI

29、One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is ___ . (:新题:1580)

A. seal water supply be cut off

B. make up water supply be cut off

C. oil outlet valve closed or not open sufficiently

D. the flow rate of oily water is too much

30、____ is not installed on the main switchboard. (:新题:1609)

A. Ammeter and changeover switch

B. Power factor meter

C. Synchroscope

D. Reverse sequence relay

31、During the diesel engine running, the water level of F.W expansion tank should normally kept in the ____ level of glass tube. (新题:1629)

A. the highest

B. above 3/4

C. 1/2 -3/4

D. the lowest

32、Which of the following items don?t belong to dock repair works? (:新题:1644)

A. making the repair list, booking spare parts and special tools for the dock repair

B. shutting off all of the S.W valves to outboard

C. the sketches or diagrams used for the dock repair

D. cleaning up the oil tank and boiler before enter the dock

33、The treatment of the fuel oils involves storage, heating, filtering and . (:新题:1795)

A. centrifuging

B. pressurizing

C. atomization

D. igniting

34、. If two A.C. generators are to be operated in parallel, the load is distributed evenly by . (:新题:1821)

A. means of rheostat the governor settings

B. a balance coil excitation

C. adjusting the governor settings

D. changing excitation

35、The main purpose of port State control is not to___________. . (新题:1877)

A. prevent an unsafe ship proceeding to sea

B. prevent a ship threatening the marine environment

C. fine the ships

D. confirm a safe sailing

36、To proceed to the assistance of a ship in distress is .新题:1894)

A. an obligation for masters of passing by ships

B. optional for masters of passing by ships when the weather is fine

C. prohibited by the Convention SOLAS, 1974, as amended

D. prohibited by the convention STCW 78/95

37ccording to the way the energy of the exhaust gases is utilized, pressure-charging can be divided into two main systems, namely, the constant-pressure system and ______.

A. the pulse-phase system

B. the pulse Doppler system

C. the pulse system

D. the pulse interval system

38or a purifier changing to a gravity disc with smaller hole diameter will move the interface towards the ______.

A. bowl periphery

B. bowl center

C. upper surface

D. lower surface

39One factor that determines the frequency of an alternator is the ______.

A. number of turns of wire in the armature coil

B. number of magnetic poles

C. strength of the magnets used

D. output voltage

40______is a precaution which contributes to avoiding trouble under normal operating conditions.

A. Constant inspection

B. Keeping constant load

C. Remaining constant temperature

D. Varying speed

41 Convection spreads a fire as a result of ______.

A. transmitting the heat of a fire through the ship's metal

B. burning liquids flowing into another space

C. heated gases flowing through ventilation systems

D. the transfer of heat across an unobstructed space

41fireman's outfit carried onboard cargo vessels, must have a ______.

A. canister-type gas mask

B. fresh-air breathing apparatus

C. self-contained breathing apparatus

D. combustible gas indicator

43he dew point of air is reached when the wet bulb temperature is ______.

A. twice the dry bulb temperature

B. 10℃above the dry bulb temperature

C. 5℃above the dry bulb temperature

D. equal to the dry bulb temperature

44Oily water separators are used to ensure that ships don't discharge oil when pumping out ______.

A. ballast water

B. boiler water

C. bilge water

D.

sewage water

45Which is the pollution prevention equipment?

A. booster pump

B. evaporator

C. incinerator

D.

cooler

46Fires involving combustible metals are classified as ______.

A. class 'A' fires

B. class 'B' fires

C. class 'C' fires

D. class 'D'

fires

47CO2 extinguishes a fire by __________.

A. a blanket of bubbles formed on the surface of the fire

B. smothering

C. isolating the heat from the fuel

D. cooling

48 “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(缺乏) under ______.

A. the SOLAS Convention

B. the MARPOL Convention

C. the STCW Convention

D. the LOAD LINE Convention

49 Among the basic categories of equipment, which of the following is used to convert hydraulic energy into continuous rotary motion?

A. hydraulic pumps

B. valves

C. hydraulic cylinders

D. hydraulic motors

50circuit breaker and a fuse have a basic similarity(类似) in that they both ______.

A. can be reset to energize the circuit

B. should open the circuit when overloaded

C. will burn out when an over current flow develops

D. should short the circuit when overloaded

51 The projection on a shaft designed to change circular motion into up and down or back and

fore motion is called ______

A. wheel

B. crankshaft

C. running gear

D. cam

52 Throttling in the ________ line of a centrifugal pump involves the risk of the pump cavitation

A. suction

B. exhaust

C. pressure

D. discharge

53. In which of the areas listed would you expect to find the highest salt concentration in a flash evaporator?

A. Distiller air ejector cooling medium

B. Saltwater heater discharge

C. First-stage internal feed box

D. Second-stage internal feed box

54 .The abbreviation”MIP”stands for____,

A.middle indicating pressure

B.mean indicated pressure

C.mean pitch

D.middle indicated power

55 .In a compression refrigeration plant,the hot,high pressure refrigerant gas is cooled by the sea water and becomes liquid in the_______.

https://www.360docs.net/doc/f89177794.html,pressor

B.condenser

C.throttle valve

D.evaporator

56 .Before a marine diesel engine is started the cylinders and pistons must be____.

A.cooled to appropriate temperature

B.warmed up gradually to appropriate temperature

C.opened up and renewed

D.ground and polished

57. ______of different thickness are inserted between the shells to enable adjustment of the bearing clearness.

A. Screws

B. Films

C. Dieses

D. Shims

58. The process of adding moisture to air to increase the relative humidity is known as______

A. sublimation B desiccation C. humidification D. miniaturization

59 The projection on a shaft designed to charge circular motion into up and down or back and

fore motion is called_________.

A. wheel

B. crankshaft

C. running gear

D. cam

60 The shells are secured by means of bearing caps and studs ,the necessary clearance being

provided by means of _________of different thickness.

A. shims

B. packing

C. glands

D. washer

61 Which term describes piston pins having bearing surfaces in both the piston bosses and

connecting rod eye?

A. Stationary

B. Full floating

C. Semi-floating

D. Free rolling

62 Fuel injected into a diesel engine?s cylinder is ignited by__________.

A. the heat compressed fuel/air mixture in the cylinder

B. the fuel igniter

C. the fuel injector

D. the fuel pump

63 Since the burning or combustion takes place within the engine itself ,the engine is known as

__________.

A. a fire-tube boiler

B. an internal combustion engine

C. an external combustion engine

D. an internal combustion generator

64 The abbreviation “MIP” stands for ___________.

A. middle indicating pressure

B. mean indicate pressure

C. mean indicated pitch

D. middle indicated powe

65 Fuel injectors used in heavy fuel oil systems are usually provided with cooling to reduce

.

A. cold corrosion of the nozzles

B. fuel viscosity for better atomization

C. carbon accumulation on the nozzles

D. fuel detonation in the cylinders

66 After the engine is warmed, we should ___________the turning gear before starting up the

engine.

A. take in

B. put in

C. take out

D. put up

67 The transmission system is made up of shafts, bearings, and finally the _______.

A. thrust shaft

B. propeller

C. reduction gear box

D. train transmission

68 When a vessel is in dry-dock, the vessel?s engineers should ______.

A. examine the condition of the propeller.

B. chip and paint all hull protection zincs

C. install new docking plugs in all cofferdams

D. inspect the hull for hogging or sagging

69 The amount of heat released by steam when it changes to water at the same temperature is

called _______.

A. latent heat of condensation

B. latent heat of vaporization

C. latent heat of saturation

D. sensible heat of condensation

70 The pump has a constant stroke of fuel delivered is regulated by rotating ______ which has a

specially arranged helical groove cut into it.

A. the pump cylinder

B. the pump cam

C. the pump plunger

D. the pump roller

71 Reduced capacity, accompanied by vibration and noise at the suction of a centrifugal pump is

a result of ________.

A. cavitation

B. water hammer

C. fluid friction

D. steam knock

72 In practice, the refrigerant flow after the evaporator is designed to ensure that the vapor

leaving the evaporator is slightly ________________.

A saturated

B super-cooled

C wet

D superheated

73 The separation of impurities and water from _______ is essential for good combustion of

diesel engines.

A. lube oil

B. fuel oil

C. turbine oil

D. grease

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

A. upwards

B. downwards

C. outwards

D. forwards

75n which of the areas listed would you expect to find the highest salt concentration in a flash evaporator?

A distiller air ejector cooling medium

B saltwater heater discharge

C first-stage internal feed box

D second-stage internal box

76 In a ordinary cargo crane, _______ is fitted to rotate the crane.

A. the slewing motor

B. the luffing motor

C. the hoisting motor

D. none of the above

76mong the basic categories of equipment, which of the following are used to convert hydraulic energy into continuous rotary motion?

A. Hydraulic pumps

B. V alves

C. Hydraulic cylinders

D. Hydraulic motors

78. An accidental path of low resistance, allowing passage of abnormal amount of current is

known as a/an__________________--.

A open circuit

B short circuit

C polarized ground

D ground reference point

79 Equal power factors on paralleled AC generators are maintained by an automatic

________________.

A voltage regulator

B reverse power relay

C reverse current relay

D governor control switch

80. When two AC generators are being paralleled, the breaker should be closed with the

synchroscope pointer rotating in the_________________.

A “slow” direction, just before the 12 o?clock position

B “fast” direction, just after the 12 o?clock position

C “fast” direction, just before the 12 o?clock position

D “slow” direction, just after the 12 o?clock position

81. The Company should ensure that ______ documents are promptly removed.

A. absolute

B. updated

C. outdated

D. new

82. When the general alarm is sounded continuously, the engine room personnel should ____.

A. proceed to their man overboard stations

B. start the fire pump

C. put on lifejackets and go to their abandon ship stations

D. secure the propulsion diesel engines and evacuate the engine room

83 .what type of valve is used to direct the flow of hydraulic fluid?

A.relief valve

B.direction control valve

C.stop valve

D.pressure control valve

84、The ISPS Code consists of a mandatory section-Part A, which shows . (53345:新题:1898)

A. the detailed security-related requirements

B. guidelines to meet security-related requirements

C. the detailed security-related requirements and the guidelines to meet them

D. how to run a shipping company considering the potential terrorism action

85、When anchoring in open anchorage, chief engineer should consult with captain _ _ . (53016:新题:1666)

A. if the ship must be stand by

B. if M.E. should be stopped

C. if keep-watching as in voyage

D. if the ship must anchor two anchors

86、As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST? (50096:新题:1118)

A. Exhaust temperatures

B. Raw water pressure

C. Lube oil pressure

D. Air box pressure