海船船员考试

单选题Which of the following may cause that an engine doesnt turn on starting air?（）A too low starting air pressureB main starting valve closedC neither A nor BD A and B

题目
单选题
Which of the following may cause that an engine doesnt turn on starting air?（）
A

too low starting air pressure

B

main starting valve closed

C

neither A nor B

D

A and B

如果没有搜索结果，请直接 联系老师 获取答案。
如果没有搜索结果，请直接 联系老师 获取答案。
相似问题和答案

第1题：

When received the order "Finished With Engine", which of the following operations is wrong?

A.stop the L.O pump, S.W pump, jacket water cooling pump immediately

B.stop the F.O booster pump

C.engage the turning gear, turn the main engine

D.open the main engine scavenge air trunk's drain cocks


正确答案：A

第2题：

Always ensure that the turning gear is______, even at the quay, the wave from other ships may turn the propeller and thus the engine.

A.disengaged

B.engaged

C.assembled

D.disassembled


正确答案：B

第3题：

You may BEST turn a twin-screw vessel about，to the right，in a narrow channel by using ______.

A.Both engines ahead and helm

B.One engine only

C.Port engine ahead and the starboard engine astern

D.Both engines astern and use helm


正确答案：C

第4题：

单选题
If a diesel engine starts firing, but is unable to come up normal speed, either without load or even under a small load, the cause may be （）
A

insufficient fuel supply

B

faulty governor

C

high exhaust back pressure

D

all of the above may cause this problem


正确答案： A
解析： 暂无解析

第5题：

Which of the following actions may cause a trigger to be fired?（）

  • A、DROP
  • B、ALTER
  • C、DELETE
  • D、ROLLBACK

正确答案:C

第6题：

Which of the following actions may cause a trigger to be fired?()

A.DROP

B.ALTER

C.DELETE

D.ROLLBACK


参考答案：C

第7题：

One cylinder of a diesel engine is persistently knocking and does not cease(停止) when the fuel supply to that cylinder is secured.Which of the following problems may be the cause?

A.Low loading of the cylinder

B.Excessive cooling of that piston

C.Sluggish ring action on the piston

D.A mechanical defect in a working part


正确答案：D

第8题：

Which of the following is NOT mentioned in this passage?

A.There may be oil vapor in the engine room

B.Pipes and fittings may be damaged if explosion takes place

C.The cooler should be drained

D.Bursting caps must be fitted


正确答案：D

第9题：

Which of the following may cause a printer to not print correctly after updating from Windows 98 to Windows XP？（）

  • A、Incorrect printer driver.
  • B、Printer needs calibration.
  • C、Dirty printer head.
  • D、Font settings on the printer.

正确答案:A

第10题：

单选题
Which of the following may lead to the engine NOT to start on air?（）
A

starting air pressure too high

B

correct timing of starting air valves

C

three of the six starting valves stuck

D

the turning gear disengaged


正确答案： B
解析： 暂无解析

更多相关问题
相关内容