輪機英語章節(jié)練習(2019.08.18)

來源：考試資料網

1 Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?（）

2 Which of the following items don’t belong to dock repair works?（）

3 A vacuum is initially created in a flash type distilling plant by（）.

4 Compared to a constant pitch propeller, a controllable pitch propeller（）.

5 One function provided by a hydraulic accumulator is to（）

6 Pistons may be made in （） in order to keep the weight down for balancing purposes at high speed.

7 Mist detectors used on large low-speed main propulsion diesel engines monitor and check for the presence of （）.

8 Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?（）

9 If a compressor runs continuously, the cause might be a（）

10 Which of the filter/strainer units listed permits you to clean the element while leaving the system on the line?（）