A. When shutting down the engine it will give off a strange noise.
B. The engine should be shut down because of an abnormal noise.
C. The engine has been idle.
D. The engine runs with a cylinder knocking.
A. There is still leaking.
B. There is no longer leaking.
C. There is leaking more seriously.
D. There has been leaking for a long time.
A. The defective parts have not been replaced.
B. The bolts have been defective.
C. No. 1 and No. 3 cylinders have been renewed.
D. The defective parts have been renewed.
A. 400 'c. B. 450 'c.
C. 480 'c. D. soot.
A. About 15 seconds. B. 25 seconds.
C. 35 seconds. D. 50 seconds.
Ql: What is the probable relationship between the two speakers?
A. Chief engineer and captain.
B. Chief engineer and manager of the company.
C. Second engineer and manager of the company.
D. Chief engineer and second engineer.
Q2: How do the engineers make out the maintenance intervals?
A. According to their experiences.
B. According to the company's SMS and the practical condition of the machinery and equipment.
C. According to the service hours.
D. According to the opinions of company's manager.
Q3 : What is the key point of the main engine according to the first speaker?
A. No. 2, 3 cylinders.
B. No. 3, 6 cylinders.
C. The exhaust valves and the fuel injectors.
D. Other ones except No. 2, 3, 6 cylinders.
Q4: Which of the following statements is correct according to the dialogue?
A. The inspection intervals for exhaust valves should be l ,300 to 1,500 hours.
B. The inspection intervals for the fuel injectors should be about 2,000 to 3, 000 hours.
C. The wear rate of the exhaust valves of No. 2, 3 cylinder is obviously lower than that of the others.
D. The wear rate of the fuel injectors of No. 3, 6 cylinders is obviously higher than that of the others.