【判断题】
(32077)键联接可以实现轴上零件的轴向固定。(1.0分)
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【判断题】
(32078)PT燃油系统中PT燃油泵和喷油器是利用机油润滑的。(1.0分)
【判断题】
(32079)柴油机是内燃机中的一种，而内燃机又属热机中的一种。(1.0分)
【判断题】
(32080)在1FC5系列发电机中，短接F1和F2将造成发电机端电压降低至360V左右。(1.0分)
【判断题】
(32081)三相异步电动机的转速取决于电源频率和极对数，而与转差率无关。(1.0分)
【判断题】
(32082)当发电机组的充磁、灭磁开关打到充磁位时，将造成发电机端电压低于400V。(1.0分)
【判断题】
(32083)柴油机能混合使用不同牌号的机油。 (1.0分)
【判断题】
(32084)柴油机是点燃式内燃机。(1.0分)
【判断题】
(32085)维修柴油机时连杆盖与连杆体一般成对使用，不能单件调换。(1.0分)
【判断题】
(32086)微机断电后，机器内部的计时系统将停止工作。(1.0分)
【判断题】
(32087)在微机中，Alt和Ctrl键不能单独使用，只有配合其他键使用才有意义。(1.0分)
【判断题】
(32088)在微软操作系统的微机中，多任务使用多窗口时，每一时刻只有一个任务在运行，其它任务属于挂起状态。(1.0分)
【判断题】
(32089)在微软操作系统的微机中，从“EDIT”菜单里，选择“复制”是用来复制已选定的文本，并将其放到剪贴板上。(1.0分)
【判断题】
(32090)使用办公软件的Excel，“打印预览”在“视图”菜单栏内。(1.0分)
【判断题】
(32091)在微软的OFFICE办公软件中，最近使用过的文档在文件菜单显示。(1.0分)
【判断题】
(32092)TTL逻辑门电路是以晶体管为基本器件构成的集成电路。(1.0分)
【判断题】
(32093)COMS集成门电路集成度高，但功耗较高。(1.0分)
【判断题】
(32094)使用指针式万用表测里多个电阻时，只需选出合适量程档，进行一次机械调零、欧姆调零即可。(1.0分)
【判断题】
(32095)计量的三个主要特征是统一性、准确性和法制性。(1.0分)
【判断题】
(32096)电阻串联后的总电阻一定大于其中任何一个电阻的阻值。(1.0分)
【判断题】
(32097)功率大的电灯一定比功率小的电灯亮。(1.0分)
【判断题】
(32098)正弦量的三要素是最大值、频率和相位。(1.0分)
【判断题】
(32099)只要闭合电路内有磁通量，闭合电路中就有感应电流产生。(1.0分)
【判断题】
(32100)线框不闭合时，若穿过线圈的磁通量发生变化，线圈中没有感应电流，但有感应电动势。(1.0分)
【判断题】
(32101)热继电器在电路中既可作短路保护，又可作过载保护。(1.0分)
【判断题】
(32102)中间继电器实质上是电压继电器的一种，只是触点多少不同。(1.0分)
【判断题】
(32103)滑动摩擦力的方向总是与物体运动的方向相反。(1.0分)
【判断题】
(32104)两个相对静止的物体间一定有静摩擦力。(1.0分)
【判断题】
(32105)不同品牌的机油，不用做相容性实验就可以相互混合使用。(1.0分)
【判断题】
(32106)无论采取何种润滑方式，在摩擦表面间一定会存在着磨损。 (1.0分)
【判断题】
(32107)不同品牌的机油，不用做相容性实验就可以相互混合使用。(1.0分)
【判断题】
(32108)不同标号的柴油不能混用。(1.0分)
【判断题】
(32109)内燃机都是利用火花塞产生的火花来点燃混合气的。(1.0分)
【判断题】
(32110)柴油机是点燃式内燃机。(1.0分)
【判断题】
(32111)内燃机能量转换的实质是将燃料的化学能转变为热能，再将热能转变为机械能。(1.0分)
【判断题】
(32112)内燃机理论循环的三种形式是等容加热循环、等压加热循环和混合加热循环。(1.0分)
【判断题】
(32113)四冲程内燃机每一工作循环曲轴转四圈。(1.0分)
【判断题】
(32114)四冲程内燃机每一工作循环曲轴转两圈，配气机构的凸轮轴也转两圈。(1.0分)
【判断题】
(32115)内燃机通过飞轮对外输出的转矩称为有效转矩。(1.0分)
【判断题】
(32116)内燃机的功率、转矩和燃油消耗率三者随曲轴转速变化的规律叫内燃机转速特性。(1.0分)
【判断题】
(32117)铁路客车供电方式主要有独立供电、集中供电和混合供电。(1.0分)
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