单选题气动调节器中放大器可调校起步压力的主要目的是为了提高放大器的()。A互换性B线性度C准确度D放大倍数
单选题
气动调节器中放大器可调校起步压力的主要目的是为了提高放大器的()。
A
互换性
B
线性度
C
准确度
D
放大倍数
参考解析
解析:
暂无解析
相关考题:
单选题Which of the following will be the advantage of a centrifugal pump as compared with a reciprocating pump?() (1) Its discharge is continuous (2) It has no internal valves (3) Upon accidental closing of discharge valve, excessive pressure will not build upA(1),(2)B(2),(3)C(1),(2),(3)D(2)only
单选题If the weights are concentrated in the middle part,then()will happen on board the ship.AhoggingBstiffnessCsaggingDlisting
单选题根据我国船员条例,船员在年休假期间,船员用人单位应当支付不低于()。A船员在家公休期间的平均工资和报酬B船员在船服务期间的最低工资和报酬C船员在船服务期间的平均工资和报酬D船员家庭所在地的平均工资
单选题The starting air system usually has () to prevent starting if anything is not in order.Adrain cocksBvent valvesCcounteractsDinterlocks
单选题Which of the following machinery space operations is required to be logged in the Oil Record Book?()ABallasting or cleaning of fuel oil tanksBShifting suction of main fuel pump to reserve fuel oil tankCChanging out sprayer plates to adjust for steam demandDDaily inspection of engine room bilges
单选题All personnel should be familiar with the lifeboats ()Aboarding and operating proceduresBmaintenance scheduleCnavigational systemsDfuel consumption rates
单选题压载水操作记录簿应包含船上处理压载水的完整记录,其条目由下列()组成。 Ⅰ、船舶加装压载水时;Ⅱ、船舶排放压载水时;Ⅲ、压载水排入接收设施时; Ⅳ、压载水意外排放时;Ⅴ、其他例外的压载水排放;Ⅵ、压载水内部调驳时。AⅠ+Ⅱ+Ⅲ+ⅣBⅠ+Ⅱ+Ⅲ+ⅤCⅠ+Ⅱ+Ⅲ+Ⅳ+ⅤD以上全部
单选题Heavy wear in a particular area of the inner circumference of a packing ring may be caused by ().Aa high suction headBrotating ringsCbadly worn bearingsDa loose stuffing box gland
单选题The major cause of problems occurring with fuel injection equipment is()Aincorrect replacement of barrels and plungers of jerk pumpsBoverheating of the nozzle orificesCcracked pump housingsDdirt in the fuel
单选题有一用比例调节器组成的控制系统,实测中,给定值变化10%,调节器输从0.06MPa变化到0.04MPa,其调节器的比例带PB为()。APB=40%BPB=50%CPB=80%DPB=100%
单选题在航帆船甲看到前方另一帆船乙悬挂两个球体号型,两船航向相反相互驶近构成碰撞危险,根据国际海上避碰规则()。A左舷受风的船舶应给右舷受风的船舶让路B两船应各自向右转向从他船左舷驶过C甲船应给乙船让路D乙船应给甲船让路
单选题The time required for a lighted aid to complete a full cycle of light changes is listed in the Light List as the().ASetBFrequencyCPeriodDFunction
单选题按规定GMDSS船舶在海上航行时,应在()上保持连续值守 1)VHF16频道及13频道 2)无线电话遇险频率2182KHZ 3)适当的DSC遇险和安全频率 4)接收MSI的频率或频道 5)VHF70频道A1)2)5)B3)4)5)C1)2)3)D2)3)5)
单选题压缩机油压控制器主要由()两部分组成。A压差控制和时间控制B压力控制和温度控制C时间控制和温度控制D油量控制和油压控制