申論 1離心式泵與齒輪式泵的特性關係，請就㈠水頭與排量，㈡轉速與水頭，㈢轉速與排量，㈣水頭與所需功率，㈤轉速與所需功率，分別試述之。（20 分）
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申論 2真空沸騰式造水機中的真空度過高或過低有何不良影響？如要保持足夠持續的真空度的條件為何？請分別試述之。（20 分）
申論 3船舶用兩段式往復式空壓機系統中有那些部分需要冷卻及其作用好處為何？請試述之。（20 分）
申論 4冷凍系統中壓縮機吸入冷媒壓力過低，其可能的原因與處理之對策為何？請試述之。（20 分）
申論 5請將下列英文譯成中文：（20 分）This sewage treatment plant consists of a tank with three main compartments:aeration compartment, settling tank（clarification）compartment, chlorinationand discharge compartment.Chlorination and discharge tank water from the clarification section is mixedwith disinfectants（sodium hypochlorite）and is sterilized. The compartmenthas float operated switches which activate the effluent pump discharge whenthe high level is reached and stop the pump when the compartment is nearlyempty. Chemical dosing is by tablets added to the basket in the chamber andthese dissolve slowly when in contact with the water in the chamber as thewater level rises.