违法和不良信息举报 联系客服
免费注册 登录

On what do you depend having the air cooler of main engine c

题目
单选题
On what do you depend having the air cooler of main engine chemically washed?（）
A

increased air pressure differenced before and aft air cooler

B

reduced exhaust temperature in all cylinders

C

reduced temperature difference between water inlet and outlet

D

both A and C

如果没有搜索结果或未解决您的问题，请直接 联系老师 获取答案。
相似问题和答案

第1题：

Vessels having main engines arranged for air starting are to be provided with at least__.

A.one automatic drain serving both containers

B.two air starting containers of approximately equal size

C.one control air container and one starting air container

D.one additional means of starting the main engine


正确答案：B

第2题：

when you do the watch keeping in the engine room ,what should you be careful about ?


正确答案：I should take close watch on the fuel oil and lubricating oil condition to notice any possible problems arising from abnormal temperature ,,leakage ,or some other problems ; if hearing is seeing abnormal noises for machines ,I should make a quick judgement and report them to C/E or even master I myself cannot deal with it ,obey the rules of the company and the instruction from C/E and master and some warning from the deck department .l

第3题：

—What do you want to do?\n—________________.

A.No, I don’t want to do anything.

B.I want to watch TV for a change.

C.What do you want to do then?

D.How about having a picnic?


参考答案：B

第4题：

What is the most probable cause of reduced capacity in a reciprocating air compressor ________．

A.Carbon on cylinder heads

B.Faulty unloader

C.Leaking air valves

D.Plugged air cooler


正确答案：C

第5题：

if you make some mistakes as you put down the figures in the engine logbook , what will you do ?


正确答案：First ,I should underline the mistakes ,then rewrite them ,and at last sign my name .

第6题：

Before "stand by" is rung on the engine telegraph, it is usual to give the main diesel engine a brief trial ahead and astern.

A.with power

B.on power

C.with air

D.on air


正确答案：B

第7题：

what is the use of “unloader “on main air compressor ?


正确答案：The unloader on air compressor is used to reduce the high starting torqueduring starting and also provide a means of draining out the accumulating oil water .

第8题：

What should be prepared before disassembly of cylinder for main engine or auxiliary engine?


正确答案：Familiarized with operational manual, such as know with certainty the disassembly procedures, cut off oil and water, the operational procedure, test by oil and water after assembly; get knowledge of Assembly Crevice and Limited Crevice; count on necessary spares; check all necessary tools before working; be clear of duties for personal engaged in disassembly of cylinder; safety measures and safety working training are also vital.

第9题：

29． — What should I do，doctor?

—_________ healthy，you should take more exercise．

A． Keep

B． Keeping

C．To keep

D． Having kept


正确答案：C
29．C【解析】句意：——我该怎么办啊，医生？——为了保持健康，你应该多锻炼。根据句意，空白处应表目的，故用不定式。

第10题：

You are attempting to administer CPR to a victim．When you blow into his mouth it is apparent that no air is getting into the lungs．What should you do ________．

A.Blow harder to force the air past the tongue

B.Raise the victim's head higher than his feet

C.Press on the victim's lungs so that air pressure will blow out any obstruction

D.Re-tip the head and try again


正确答案：D

更多相关问题
相关内容