20. Which system is used to heat spaces and residual fuel to propel machines and ship itself?(A) Oil
26. Which feature is indicated by a gradually rising pressure in the crankcase of trunk piston diese
30. What is the distance between TDC(top dead center)and BDC(bottom dead center)for adiesel engine?(
33. 考量船舶使用一段期間後船速與性能會逐漸衰減,因此在主機選定所需之軸馬力後,主要尚需考慮何項因素?(A) 燃燒效率(Combustion efficiency)(B) 螺槳效率(Propelle
39. What is the ideal intake pressure for the aspirated engines?(A) Compression pressure(B) Ignition