轮机英语.ppt

轮机工程学院辅机教研室
轮机英语考试强化复习(3000KW及以上船舶二管轮/三管轮)
0601 The space between cylinder liner and jacket is called_____.
A. the circulating tank
B. the scavenge box
C. the cooling water space D. the cooler
0602 The space between cylinder liner and jacket is called_____.
A. the cooling water
B. the circulating water
C. the cooler
D. the cooling water space
0603 The starting air in the receiver is supplied by the_____.
A. pressor
B. pressor
C. vacuum pump
D. purifier
0604 The starting air system usually has_____ to prevent starting if anything is not in order.
A. drain cocks B. vent valves
C. counteracts 中和, 阻碍D. interlocks
0605 The starting air system usually has_____ to prevent starting if anything is not in order.
A. stop valves B. interlocks
C. non-return valves D. air vents
*0606 The starting of a marine diesel engine is generally carried out with the assistance of_____.
A. compressed air B. electricity
C. hydraulic oil D. compressing air
*0607 The essful operation of any engine or machine and_____ depend on effective lubrication.
A. their no trouble period
B. their freely trouble period
C. its free trouble life
D. its trouble-free life
0608 The supercharger takes air out of the surrounding atmosphere and then feeds it to the engine's_____.
A. inlet valves B. exhaust valves
C. emergency valves安全阀
D. run-return valves
0609 The term_____ refers to plete sequence of operations required to produce power in an engine.
A. diesel engine B. stroke
C. cycle D. compression ratio
0610 The term medium speed diesel engine is currently taken to mean an engine with an operating rotational speed of_____ rpm.
A. below 300 B. above 1200
C. between 300 to 1200 D. below 1200
0611 The thrust block_____ the thrust from the propeller to the hull of the ship.
A. conducts B. fits
C. transfers D. carries
*0612 The thrust block or thrust bearing, located at the_____ of the engine, may be integral with, or separated from, the bed-plate.
A. fore end B. af