单选题磁粉探伤时采用磁化电流的电压一般在()以下。A5VB10VC12VD50V
单选题
磁粉探伤时采用磁化电流的电压一般在()以下。
A
5V
B
10V
C
12V
D
50V
参考解析
解析:
暂无解析
相关考题:
单选题关于船级检验中的船舶机械装置循环检验,以下表述有误的是()。A根据船东申请并经船级社同意,船舶机械装置特检可采用循环检验的方式进行B采用循环检验时,应将机械装置特检的所有项目均匀地分配在一个特检周期内完成C循环检验每一项目的最长检查间隔期不应超过3年D船级社或船东均可终止船舶机械装置循环检验,而采用特别检验
单选题“不能按本《规则》各条要求进行操纵”情况是()。 ①丧失按本《规则》各条要求进行操纵的能力; ②只能根据应急操纵的要求进行操纵,而不能按《规则》的要求进行操纵,否则会引起危险A①B②C①②都对D①②都不对
单选题故障诊断专家系统推理机的作用是(),数据库的作用是()。A推断各种中间数据/得出最终诊断结果B得出最终诊断结果/对推理过程作出解释C得出最终诊断结果/存储各种中间数据及最终诊断结果D推断各种中间数据/存储最终诊断结果
单选题在弯曲水道中,循相反方向行驶的两机动船航向交叉相互驶近并构成碰撞危险,则:()A互见中应遵守交叉相遇条款B无论是否互见均应遵守狭水道条款C无论是否互见均应遵守船舶之间的责任条款D应遵守直航船行动条款
单选题In order to help protect a natural fiber rope from rotting , the line must be().Adried , and stowed in a place with adequate ventilationBstowed in a hot , moist compartmentCstowed on deck at all timesDstowed in any compartment
单选题Two vessels are abreast of each other and passing port to port in a confined waterway. What should you expect as your bow approaches the screws of the other vessel? ()AYour speed will significantly increaseBYour draft will significantly decreaseCYour bow will sheer towards the other vesselDYour bow will sheer away from the other vessel
单选题The 10-cm radar as compared to a 3-cm radar of similar specifications will().Abe more suitable for river and harbor navigationBprovide better range performance on low lying targets during good weather and calm seasChave a wider horizontal beam widthDhave more sea return during rough sea conditions
单选题柴油机气缸润滑采用带LCD执行器的气缸注油器,其LCD执行器作用是()。 Ⅰ.根据负荷变化自动改变柱塞行程; Ⅱ.根据设定可在突变负荷时自动调节追加注油量; Ⅲ.根据负荷变化自动调节注油温度。A仅仅是ⅠB仅仅是ⅡCⅠ+ⅡDⅠ+Ⅲ