机工英语练习题

机工英语练习题

22. ___ _ you _____ the engine trial yesterday morning?

A. Did / carried out

B. Did / carry out

C. Do / carry out

D.

Are/going to 机工英语练习题

23. He ____ the instruction book for the main engine a few minutes ago. Lesson One A. read B. readed C. reads D. is reading I. Choose the best answer for each blank: 24. It is very important for us to study English well. This sentence tells us that______. 1. The diesel engine is a type of . A. we needn’t study English well B. we may study English well A. turbine engine B. gas turbine C. we must study English well D. we don’t study English well C. steam engine D. internal combustion engine 25. They _____ out No.4 piston next Friday. 2. Four strokes consist of suction, compression, and exhaust stroke. A. drew B. draw C. will draw D. are drawing A. combustion B. power C. cycle D. ignition 26. _____ is the heart of the reciprocating engine. 3. The engine needs repairing ______ A. Piston B. Connecting rod C. Cylinder D. Crosshead A. to keep it in good order B. keeping it in good order 27.______ usually helps to induce air movement to assist combustion. C. kept in good order D. keep it in good order A. Cylinder cover B. Main bearing C. The exhaust valve D. Piston 4. _____is an important measures before starting the engine. 28. Among the fixed parts there _____ the bedplate, the frame, the cylinder and cylinder cover. A. Warm up the cylinders B. To warm up the cylinders A. are B. is C. do D. does C. Warms up the

cylinders D. Warmed up the cylinders 29. The fixed parts consist of the bedplate, ______, the cylinder and cylinder cover. 5. The oil pressure

is too low ______ A. the frame B. the crankshaft C. the piston D. the bearings A. to move the turning arm B. moving the turning arm 30. There are ___ types of diesel engine used on board ship. C. moved the turning arm D. move the turning arm A. three B. one C. four D. two 6. The engine starts smoothly, ____ it ? 31. If the main engine is the type of 6ESDZ 60/129 , “E” means _____ A. doesn’t B. does C. don’t D. is A four-stroke B. crosshead C. reversible D. two-stroke 7. Let other pumps _____ for about one hour. 32. If the main engine is the type of 6ESDZ 60/129, “ S” means_____ A. running B. run C. to run D. ran A. crosshead type of engine B. trunk type of engine 8. will you please explain _____ use it ? C. four-stroke D. reversible A. what to B. where C. how to D. the way 33. If the main engine is the type of 6ESDZ 60/129, “ D”

means_____ 9. Let’s go and ______ the steering gear. A. four-stroke B. crosshead C. reversible D. two-stroke A. examine B. examining C. examined D. examines 34. If the main engine is the type of 6ESDZ 60/129, “ Z” means_____ 10. The inner part of the cylinder is called . A.

four-stroke B. crosshead C. reversible D. turbocharged A. cylinder

jacket B. cylinder cover C. cylinder bore D. cylinder liner 35. Each cylinder consists of the block and the ______. 11. I have something

______ A. liner B. cylinder cover C. main bearing D. piston A. asking you B. asked you C. asks you D. to ask you 36. Which one performs the key step of converting thermal energy into mechanical energy? 12. What

is used for ball bearings ? A. cylinder block B. liner C. piston D. cylinder cover A. grease B. fuel oil C. cylinder oil D. diesel oil 13. Our C/E asked me _____ of the lubricating oil ? Lesson Two A. to take

the temperature B. took the temperature I. Choose the best answer for each blank. C. taking the temperature D. take the temperature 1. The screw pump is the pump. 14. His plan is ____ by ourselves. A. reciprocating B. displacement C. vacuum D. centrifugal A. renewing some damaged parts B. renewed some damaged parts 2. What about ______ generator? C. to renew some damaged parts D. renew some damaged parts A. the other B. two other C. second other D. other 15. They are going to disassemble the main engine _____. 3. What ______ the electro-hydraulic steering gear? A. for check B. for inspection C. for inspect D. inspection A. about B. are C. is D. do 16. How long ____ take to finish the work tomorrow ? 4. The new refrigerators are than the old one. A.

will it B. is it C. do it D. did it A. the best B. more better C. good D. much better 17. It’s not easy for them ____ by themselves. 5. On board a motor ship marine auxiliary machinery covers everything except the main engines, A. to repair the machine B. repaired the machine it includes almost all, , fittings and many other equipments. C. repairing the machine D. repair the machine A. the anchor B. maintenance C. treatment D. the pipes 18. The turbocharger was out of order ______. 6. Pay attention ______ the cooling water temperature. A. between the last voyage. B. under the last voyage. A. to B. on C. at D. in C. during the last voyage. D. from the last voyage . 7. Winches are ______ driven. 19.

Our C/E often helps us ________. A. electrical B. electricity C. electrically D. electronic A. improving our work B. improved our work 8. The motorman takes readings three times ______ day. C. improve our work D. improves our work A. one B. the C. every D./ 20. They found the

piston ring _____. 9. There ______ motors in the engine room. A. bad worn-out B. badly wear-out C. badly worn-out D. badly-worn-out A. is B. are C. have D. has 21. Measure the clearance of the exhaust valves by means of . 10. How many generators ______ in your engine room, A. steel ruler B. feeler C. slide calipers D. steel measuring tape

1

A. there are

B. are there

C. There are

D. is What is used to purify water and foreign matters from the fuel oil in the following? 35.

11. The motorman ______ the temperature of the cooling water carefully. A. A compressor B. A Separator C. A evaporator D. A fuel pump

A. are checking

B. is checking

C. is check

D. check 36. In a general cargo crane, three principal movements are ______; ______; ______. 12.

______ drives are most commonly used for deck machinery. A. hoisting/ luffing/ slewing B. lifting/ raising/ lowering

A. Electric

B. Electricities

C. Electrically

D. Electricity C.

rotating/ raising/ handling D. hoisting/ lowering/ moving 13. We use

______ to separate oil from bilge water

A. purifier

B. oil separator

C. oily water separator

D. separator Lesson Three

14. In an oily water separator, the oil ______ from water. I(Choose the best answer for each blank:

A. will be separated

B. separating

C. will separate

D. separated 1. Stop .

15. We have three oil separators on board: a diesel oil one, a fuel oil one and a ______ one. A. pump B. pumping C. pumped D. pumpping

A. heavy oil

B. turbine oil

C. lubricating oil

D. gear oil 2. When the tank is nearly full, I’ll give you .

16. A fresh water generator can ______ 25 tons of fresh water. A.

the signiture B. the signal for starting

C. the sign board

D. the signal for stopping A. do B. make C. making

D. does

17. The steering gear is in this room, it is an automatic one. Here “it “ mea ns ______. 3. What is the specification of the fuel oil?

A. this room

B. nothing

C. the steering gear

D. one A. 100kg B.

180cst C. 130cm D. 180ft 18. When started, oily water separating unit is first filled with ______. 4. When everything is ready, I’ll g ive you .

A. dirty water

B. clear water

C. by mixed water

D. by oily water A. the signal for starting B. the signal for stopping 19. A hydraulic motor may be driven by ______. C. the sign board D. the sign

5. When will they come ? A. an electric motor B. a diesel engine C.

a compressor D. oil

20. ______ are used for cargo handling. A. at board B. on board C. board the ship D. to board

A. Cranes

B. Mooring winches

C. Windlasses

D. Foreman 6. Would you come down to my oil barge and .

21. ______ are used to handle anchors and chains. A. take lead wire readings B. take sounding C. take measurements D. take

A. Cargo winches

B. Mooring winches

C. Windlasses

D. Cargo hatches 7. We can use to purify the water from fuel oil.

22. In general cargo crane, ______ is fitted to raise or lower the jib. A. fresh water pump B. oil separator C. oil burner D. fuel oil pump

A. the slewing motor

B. the luffing motor 8. The of fuel oil connection is 6 inches.

C. the hoisting motor

D. none of the above A. length B. diameter C. depth D. width 23. In a ordinary cargo crane, ______ is fitted to rotate the crane. 9. Which side shall we get ?

A. the slewing motor

B. the luffing motor A. at B. alongside

C.

ready D. on

C. the hoisting motor

D. none of the above 10. At sea going, we use instead of donkey boiler.

24. Cargo handling unit is rated according to the ______ to be

lifted. A. heater B. preheater C. exhaust gas boiler D. scavenging air receiver

A. cargo crane

B. jib

C. safe working load

D. oil pressure 11.

Please fill diesel oil first, then .

25. Which of the following can be used in hydraulic transmission system? A. lube oil B. cylinder oil C. heavy oil D. turbine oil

A. Hydraulic oil

B. animal oil

C. Light oil

D. Fuel oil 12. of the fuel oil is 180cst.

26. Dirty oil must be ______ before being used again. A. Specific gravity B. Flash point C. Acid value D. Viscosity

A. mixed with clean oil

B. purified

C. heated

D. strained 13. There is a small crack here, please .

27. The main steering gear must be capable of putting the rudder from 35 on one side to 30 A. clean the crack B. wash it C. have it welded up D. oil it on the other side within ______ at maximum ahead service speed. 14. The duty motorman is not free now. He out the bilge water now.

A. 28s

B. 30s

C. 40s

D. 60s A. pump B. is pumping C. pumps D. pumped

28. One of the functions of ventilation is to ______ the temperature of spaces not mechanically 15. We are going to pass through Suez Canel, please .

cooled such as the engine room. A. stop engine B. stand by engine C. start engine D. finish with engine

A. reduce

B. increase

C. keep

D. a or b 16. Will we connect the motor with the fresh water pump? No, the pump is . 29. ______ is the control of temperature and humidity in a space. A. in good order B. out of order C. works well D. must repair

17.The pump employed on board ship can be divided into two main categories i.e. pumps A. Refrigeration B. Air conditioning C. Ventilation D. heating

30. Steering gear can be arranged with hydraulic control equipment known as a ______. and centrifugal pumps.

A. telemeter

B. telegram

C. telemotor

D. telegauge A. gear B. nonpositive displacement C. positive displacement D. rotary 31. ______ system is arranged to rim the vessel as required. 18.Gear pumps are type because they discharge a near constant amount of

A. The domestic water

B. Bilge water

C. Oil transfer

D. The ballast liquid regardless of pressure.

32. The ______ is used for hauling in or letting out the wires or ropes. A. positive displacement B. nonpositive displacement C. mixed-flow D. axial-flow

A. windlass

B. anchor capstan

C. turning gear

D. winch barrel 19.If the discharge valve is closed, the gear pumps bursting pressure or stall their motor. 33. Domestic water pump is started automatically by ______ which operates as the water level A. build up B. produces C. rise D. give up falls to a predetermined level. 20. The engine stopped, there is in the oil tank.

A. a level controller

B. a temperature switch A. no air B. no water

C. no fuel

D. no solvent

C. a pressure switch

D. a floating ball 21. Please fill diesel oil first, then .

34. ______ system is used for washing and drinking. A. heavy oil B. fresh water C. sea water D. air

A. The ballast

B. The salt water

C. The bilge

D. The domestic 22. Centrifugal pumps are nonpositive and a fairly unit.

2

A. low discharge

B. low pressure

C. low speed

D. high pressure for both cylinders and intercoolers.

23.In pump a closed discharge valve will not cause excessive

pressure to build up. A. oil-cooling B. water-cooling C. air-cooling D wind-cooling A. gear B. vane C. screw D. centrifugal 10. Compressors must always be started in the unloaded condition since pressures 24. If you close the discharge valve on a centrifugal bilge pump, what will happen? otherwise build up rapidly producing very ______ starting torques. A. motor overloads and trips out B. motor overheats A. high B. low C. lower D. above

C. pump overheads

D. relief valve opens 11. Air compressors are equipped with unloading systems for the purpose of ______. 25. These are the sounding records after . A. reducing starting torque

A. pumping

B. pumped

C. pump

D. being pumped B. low the temperature of intercoolers

26 Which of the following type of packing would be used on water flange joints? C. providing high starting torque in the drive motor

A. rubber

B. tux

C. wire inserted rubber

D. A or C D. seating valve plates

27.The volute on a centrifugal pump cause the velocity to . 12. This type of compressor will give a compression ratio of 7:1 in each stage

depending on A. increase B. decrease C. remain constant D. do none of

the above __.

A28. A common trouble with the fuel pump plunger or fuel valve

spindle is . . the size B. cooling C. speed of the machine D. all the above A. water leakage B. steam leakage C. oil leakage D. air leakage 13. The two-stage, two-cylinder, two-crank compressor are capable of compressing to______ bar. 29. A)Please tell me the specifications and quantity. A. 25-40 B. 10-15 C. 5-10 D. 15-20

B) . 14. Compressed air is used on board ship for all the following purposes except ______. A. Pump diesel oil first B. 300 tons of 180 cst fuel oil A. starting diesel engine B. pneumatic control systems C. The figure is all right D. Ok, I’ll sign it C. pneumatic tools D. supercharging air

30. Fuel is not supplied to the corresponding cylinder due to a

failure of . By far the greatest use is for diesel engine starting,

using air pressure of 25 15.

A. the motor

B. the fresh water generator

C. the governor

D. the

fuel pump bar or more provided by ______.

31. In general, is suitable for delivering small quantities at high pressure. A. rotary compressors B. reciprocating compressors A. reciprocating pump B. gear pump C. centrifugal pump D. rotary pump C. centrifugal compressors D. screw compressors

32.What would a centrifugal pump with a volute and diffuser do to

the liquid pressure? 16. Compressors must always be started ______.

A. increase

B. decrease

C. keep the same

D. none of the above A. in the unloaded condition B. in the loaded condition 33.The overboard 33. discharge valve must be ______ while ship is in port. C. in the pre-cooled condition D. in the preheated condition A. opened B. shut C. cleaned D. drained 17. During compressor’s running, the accumulated moisture in the separators must be ______.

34 What do you use to measure threads? A. drained off B. collected C. sent to the crankcase D. separated with oil A. bolt B. wire gauge C. screw pitch gauge D. center gauge 18. A compressor should never be stopped ______.

35. Gears and tools must be properly ______ in the place after use

in workshop. A. without first cooling it B. without first heating it A. stowed B. wrapped C. packed D. dried C. without first unloading it D. without first loading it 36. When starting a positive displacement pump, the first valve to open should be the ______. 19. By far the greatest item of maintenance of the reciprocating air compressors concerns ____ .

A. suction valve

B. discharge valve

C. drain valve

D. steam valve A the lubrication B. the cooling C. the moisture separation D. the valves 20(Most small compressors use ______ to cool the cylinders and the intercoolers. Lesson Four A. sea water B. fresh water C. oil D. air I. Choose the best answer for each blank: 21(Attention must be given to the cooling system of the air compressors, for _____ 1. On the compression stroke the pressure rises to slightly ___ the discharge pressure. can cause condensation on the cylinder walls.

A( above B. about C. low D. lower A. overcooling B. poor cooling C. overloading D. unloading 2. The compressor is driven by ______?

22(Moisture lying in the starting air lines can cause ______. A. motor B. air C. oil D. water A. burning B. overheat C. explosion D. water hammer

3. Compressed air is used on board ship ______. 23(Reciprocating compressors will give a ______ of 7:1 in each stage normally. A. for starting diesel engines B. in pneumatic control system A. compression rate B. compression ratio C. compressed rate D. compressed ratio C. in pneumatic tools D. for all the above are true 24(_____ is most widely used on board ship.

A. A one-stage compressor

B. A Two-stage compressor 4. The starting

air bottle should be pumped up by the ______ before start of the engine.

A. air compressor

B. refrigeration compressor

C. vacuum pump

D. purifier C. A three-stage compressor D. A four-stage compressor 5. The primary task of the compressed air system is to ______. 25. Compressed

air is supplied by air compressors to ______. A. start the main engine B. start emergency electric alternator A. the air receivers B. the starting valves

C. drive the main turbine

D. drive the turbocharger C. the cylinder covers D. the distributors

6. Air compressor receivers should be “blown down” at least ______. 26(Diesel engines are started by supplying ______ into the cylinders. A. yearly B. three months C. monthly D. daily A. fuel oil B. diesel oil C. compressed air D. jacket water

7. In air compressor, during compression

mush of the energy applied is converted into ______. 27. The starting of a marine diesel engine is generally carried out with ______. A. water B. oil C. heat D. pressure A. compressed air B. electricity C. hydraulic

oil D. compressing oil 8. The purpose of an air compressor unloading device is to ______. 28(We use the compressed air from ______ to start the main engine. A. drain water from the air receiver B. drain water

from the cylinders A. air receiver B. scavenging air receiver C. air strainer D. air duct C. lower the starting torque D. check pump

alignment 29(The starting air bottle should be pumped up to maximum pressure by the ______ before 9. In larger compressors used for main engine starting air it is more usual to use______ of start engine.

3

A. air compressor

B. refrigeration compressor

C. vacuum pump

D. purifier A. end of the super heater B. highest point of the steam and water drum 30. To obtain maximum efficiency, two-stage air compressors are usually ______. C. super heater inlet D. top of the return headers A. horizontally mounted B. never fitted with intake filters 15. The safety valves should be tested and adjusted when the boiler survey is ______. C. fitted with intercoolers D. operated in an unloaded condition at all times. A. completed B. carried out C. cleaned D. steamed

31.The starting operation on large marine diesel engine is carried

out by means of ______. 16. In motor ship, ______ is often used to recover some of the heat carried in the exhaust A. fuel oil B. compressed air C. exhaust gas D. fresh water gases from the main engine.

32. Would you please flush the oil remained in the hose with ______.

A. an diesel oil heater

B. a waste heat boiler

A. same kind of oil

B. air

C. compressed air

D. water C. a fresh water generator D. all the above

33.______ shows 1.2 meters and specific gravity of the oil is 0.96. According to the 17. As for oil-fired boiler too much air would indicated by ______. measuring scale, that makes 150 tons. A. yellowish flame B. golden yellow flame C. milky flame D. brilliant white flame A. The piston rod B. The push rod C. the sounding rod D. The connecting rod 18. W.H.R stands for ______.

34. Are you going to ______ the soundings of our tanks? A. Water Heat Register B. Water Heater Re-circulating

A. make

B. hear

C. take

D. do C. Waste Heat Recovery D. Waste Handle Reference 35.Which side shall we get ______? 19. When a boiler is operating, the water level in the gauge glass reads ______ when A. at B. alongside C. ready D. on the boiler is shut down.

36. Who will take the ______ of No.2 port tank? A. lower than B. higher than C. as much as D. the same as A. height B. sounding C. measuring D. depth 20. Black smoke coming from a boiler can be caused by ______.

A. low water level

B. low oil pressure

C. excessively high fuel ratio

D. an improper air/ fuel ratio Lesson Five

I. Choose the best answer for each blank: 21. Proper combustion in a boiler would be indicated by ______. 1. The boilers used on board ship can be divided into two distinct types, they are ____. A. yellowish flam B. golden yellow flame C. white flame D. brilliant white flame A. fire-tube boiler B. water-tube boiler C. oil-tube boiler D. A and B 22. If

the boiler water level drops out of sight while your vessel is steaming, you 2. The fire-tube boiler in which the ______ from the furnaces pass through the tubes should______.

while the ______ is on the outside.. A. blow down the gauge glass B. start the stand by feed pump A. hot gases/water B. hot gases/hot gases C. water/hot gases D. water/water C. close the main steam stop D. cut out the boiler first 3. As the boiler is running normally, the management work is to monitor______. 23. The furnace of a oil-fired boiler should

be ____ before the operating burner is lit. A. the gas pressure B. water level C. combustion D. all of the above A. filled with B. purged C. cleared of air D. none of the above 4. The water level in the gauge

glass when a boiler is operating is ______ when the 24. A feed pump for an auxiliary boiler might lose suction if the ______. boiler is shut down.. A. boiler water level is low B. feed water is too hot

A. lower than

B. higher than

C. below

D. equal to C. boiler steam demand is low D. feed water is too cold

5. Impurities from the boiler water surface can be removed through

the ______. 25. The feed pump discharge pressure is higher than the steam drum pressure to ______. A. safety valve B. blow down valve C.

scum valve D. feed check valve A. ensure feed water flow into the boiler B. keep the steam drum pressure high 6. The exhaust boilers are used to recover some of ______ carried in the exhaust gas C. prevent water hammer in the feed line D. help the feed water flash to steam from the main engine. 26. Foaming in the steam drum may be caused by ______ in a boiler. A. water B. oil C. heat energy D. steam A. oxygen in the water B. poor boiler design

7. The safety valve should be ______ in the presence of C/E and Surveyor. C. density too high D. excessive steam demand

A. tightened up

B. sealed up

C. opened up

D. unscrewed 27. The water in an auxiliary boiler should be tested daily for ______. 8. A ______ boiler is an auxi liary boiler sometimes included in a steamship’s A. dissolved oxygen B. chlorides C. sludge D. dissolved nitrogen

installation for supplying steam to auxiliaries in port. 28. ______ should be tested and adjusted when the boiler survey is carried out. A. monkey B. donkey C. waste heat D. main A. The boiler oil tank B. The steam pipe C. The fire side D. The safety valves 9. At normal sea going, we use ______ instead of donkey boiler. 29. ______ will be used to blow away soot and the combustion products from the tube surfaces. A. a

heater B. a pre-heater C. an exhaust gas boiler D. the coal burning

boiler A. The blow down valve B. The scum valve C. The air release cock D. Soot-blower 10. Oil or scale in boiler tubes will cause ______. 30. For proper operation, auxiliary boiler feed water must have which of the

following A. those tubes to overheat B. decrease of boiler steam

pressure characteristics?

C. increase of boiler steam pressure

D. an explosion in the boiler A. High oxygen concentration B. Low pH C. Proper alkalinity D. All of the above 11. ______ are mounted in pairs to protect the boiler against overpressure. 31. compared with fire-tube boilers, water-tube boiler is employed for ______ pressure, A. Safety valves B. Water tubes C. Steam stop valves D. Blow down valves ______ temperature, and ______ capacity steam applications. 12. The tube in a boiler should be blinded if found ______. A. lower/ lower/ small B. higher/ higher/ larger A. scaled B. informed C. leaky D. deformed C. lower/ higher/ larger D. higher/ lower/ small 13. The water level in a steaming auxiliary boiler will always

______. 32. What safety precautions should be observed by the crew while working around machinery A. rise when the steam pressure is increased in an engine room?

B. remain constant as long as the feed pump operates A. They should wear safety shoes B. They should wear ear protection

C. fall when the steam pressure is decreased C. They should not wear jewelry

D. All of

the above

D. vary as the steam demand changes 33. Engine room cranes, heavy parts must be secured to prevent from ______. 14. The air cock on a

boiler is located at the______. A. shifting B. slewing C. hoisting D. luffing

4

34. You should wear ______ when you work in engine room. 22. These are ______ __油船.

A. sweater

B. informal dress

C. working clothes

D. scarves A. ships

B. boats

C. tankers

D. barges

35. All steam pipes, exhaust pipes and fittings presenting any

hazard should be 23. Who have a 扳手,then?

adequately ______. A. span B. file C. spanner D. drill

A. put down

B. shielded

C. support

D. none of the above 24. The is the most important part of the distilling plants 36. The source of any oil leakages should be located as soon as possible. Here “located” A. cylinder cover B. crank shaft C. flash evaporator D. piston means ____.

25. The engineers will overhaul the main engine 调速器

A. placed

B. found out

C. solved

D. none of the above A. governor B. government C. boiler D. condenser

26. 主机 .

Lesson Six A. HP B. ME C. ER D. FW

I. Choose the best answer for each blank: 27. A) Could you tell me the daily consumption of boiler water? 1. The________ of our fuel pipe connection is of 6 inches, and that of the diesel is 4 inches. B) Yes,

it is tons per day.

B. distance

C. diameter

D. weight A. height A. 2 B. 20 C. 200 D.2000

2. The motorman is out the bilge water. 28. It has an output of

9,000kw at 114__________.

A. heating

B. pumping

C. cooling

D. adjusting A. r / min B. l / min C. r / hr D. r / sec. 3. The engineers heard the abnormal______ from No.5 cylinder. 29. Oily water separators using the gravity system can only achieve

A. nose

B. night

C. noise

D. nut A. 100ppm B. 15ppm C. 200ppm D. 3000ppm 4. How to speak “备车”in English? 30. __________Should be dried and varished.

A. dead slow ahead

B. slow ahead

C. stand by engine D stop engine A. crank shaft B. piston C. generetor

D. stuffing box 5. 交流电 . 31.The

_____ of heavy oil in No2 double bottom tank is 1 meter.

A. D.C

B. A.C

C. H.P

D. M.E A. loading B. position C. sounding D. discharging 6. 淡水 . 32.Fresh water is produced from by distilling plant.

A. AC

B. D

C.

D.O D. FW A. compressed air B. fuel oil C. lubricating oil D. sea water 7. Who have a电笔_______,then? 33. Nowadays the commonly used distilling plants on board are distilling

A. test pencil

B. file

C. pen

D. drill plants and vapor-compression distilling plants. 8. Thank you ________. A. vacuum-type B. open-type C. flash-type D. close-type

A. Very much

B. very more

C. much

D. more 34. The source of any oil leakages should be located, repaired ______. 9. There are many other

_______machines. A. later B. during voyage repair C. during dock repair D. as soon as possible

A. auxiliary

B. pump

C. separator

D. generator 35. The overboard discharge valve must be ______ while ship is in port. 10. Distilling plants, also known as , are used aboard ship to produce high-purity A. opened B. shut C. cleaned D. drained

fresh water from sea water. 36. Before entering port bilges should be kept as ______ as possible.

A. diesel engines

B. auxiliary engines A. wet B. bright

C. dry

D. dark

C. fresh water generators

D. governors

11. How to speak “完车” in English? Lesson Seven

A. stand by engine

B. stop engine

C. finished with engine

D. slow astern I(Choose the best answer for each blank:

12. 直流电 . 1. has been widely used on board ship in place of the diesel oil as fuel.

A. D C

B. AC

C. H P

D. M E A. Lubricating oil B. Cylinder oil C. Heavy oil D. Turbine oil 13. 轮机长 . 2. has characteristic of ecomy.

A. H P

B.T / C

C. C / E

D. FW A. Heavy oil B. Diesel oil C. Lubricating oil D. Hydraulic oil 14. We motormen often检查_______the pressure of the fuel injector. 3. Large marine diesel engines, in general burn heavy petroleum fuel.

A. check

B. drew

C. clean

D. repair A. low-speed B. medium-speed C. high-speed D. half ahead 15. The motormen will clean the 冷凝器 4.Heavy fuel are not only extremely but also contain large quantities of .