网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
The air-conditioner is running in the winter and to be stopped, we should（）
A
close Fan and Humidifier at the same time
B
firstly close Fan and then close humidifier immediately
C
firstly close humidifier and then close Fan immediately
D
firstly close humidifier and then close Fan after 30 seconds
参考答案
参考解析
解析：
暂无解析
更多 “单选题The air-conditioner is running in the winter and to be stopped, we should（）A close Fan and Humidifier at the same timeB firstly close Fan and then close humidifier immediatelyC firstly close humidifier and then close Fan immediatelyD firstly close humidifier and then close Fan after 30 seconds” 相关考题
考题
单选题旋回初径是指（）。A
从操舵开始船舶的航向转过180º时重心所移动的纵向距离B
从操舵开始船舶的航向转过180º时重心所移动的横向距离C
从操舵开始船舶的航向转过90º时重心所移动的纵向距离D
从操舵开始船舶的航向转过90º时重心所移动的横向距离
考题
单选题Woodward PGA调速器的弹性反馈机构的组成是（）。 Ⅰ.大反馈活塞 Ⅱ.小反馈活塞 Ⅲ.补偿针阀 Ⅳ.反馈指针 Ⅴ.阻尼活塞 Ⅵ.阻尼弹簧A
Ⅰ＋Ⅱ＋Ⅲ＋ⅣB
Ⅳ＋Ⅴ＋ⅥC
Ⅲ＋Ⅳ＋ⅤD
Ⅲ＋Ⅴ＋Ⅵ
考题
单选题航海日志左页的记载部分包括：（）I、航行记载部分；II、气象、海况记载部分；III、舱水测量记载部分；IV、中午测算记载部分A
I~IVB
II~IVC
I、II、IVD
I~III
考题
单选题夜间，船舶由海上驶近美洲某海港，看见一绿色闪光灯浮，则表明（）。A
该标为左侧标，将其置于本船左舷B
该标为左侧标，将其置于本船右舷C
该标为右侧标，将其置于本船左舷D
该标为右侧标，将其置于本船右舷
考题
单选题If the action of the engine indicates that some of the cylinders are not firing, the ones affected may be determined by watching （）.A
the bad smokeB
the smoky exhaustC
the exhaust temperatureD
the peak pressure
考题
单选题A fire in a pile of linen is considered to be a class （）.A
A fireB
B fireC
C fireD
D fire
考题
单选题（）uses one or two high pressure pumps for all the cylinders with one more standby, while（）have a separate high-pressure pump for each cylinder.A
A common rail engine；conventional enginesB
A conventional engine；common rail enginesC
A marine diesel engine；most other enginesD
A two-stroke engine；four-stroke engines
考题
单选题AUTOCHIEF-Ⅳ型主机遥控系统，在集控室AC-4遥控单元操作面板上按下“起动闭锁复位”按钮后，下列哪种情况不能实现起动闭锁的复位（）。A
起动空气压力太低B
两套测速装置均出故障C
应急停车或故障自动停车D
三次起动失败
考题
单选题Explosions do occur （） caused by the ignition of oil or vapour gaining access from compressors or defective engine starting valves.A
in boiler drumsB
in refrigerating plantsC
in starting air pipesD
in air coolers
考题
单选题Lubricating oil viscosity in an operating diesel engine can be reduced by（）A
increasing cooling water flowB
increasing lube oil flowC
dilution by fuel oilD
adding SAE 70 oil
考题
单选题当船舶的实际配员低于《船舶最低安全配员证书》的要求时，海事管理机构应当（）.A
对其处以罚款B
对其处以警告C
禁止其离港D
令其改航
热门标签
最新试卷
