23. 船舶管路中，『殼管式熱交換器』英文單字為何? (A) Shell and tube heat exchanger (B) Fin type heat exchanger (C) Plate type heat exchanger (D) Needle type heat exchanger

10. The followings are procedures of start the engine. Which step is incorrect? (A) Open the starting air reservoir valve and safety valve. (B) Hold the START switch pressing for 2 to 3 seconds, and make sure of ignition. Only then release the switch. (C) Close the starting air reservoir valve. (D) Keep the control air valve opened during a run.