搜题
网友您好,请在下方输入框内输入要搜索的题目:
搜题
题目内容 (请给出正确答案)
提问人:网友yangyiha 发布时间:2022-01-07
[主观题]

When running a large, low-speed, main propulsion diesel engine on heavy fuel, which of the

following precautions should be observed when switching back over to diesel oil? .

A.The diesel oil must never be allowed to mix with the heavy fuel

B.The temperature of the fuel from the pre–heater should be gradually reduced after switching over the three–way valve

C.The heating steam to the pre-heater should be secured as soon as the diesel fuel passes through the three-way valve

D.The heating steam must be secured before the diesel oil passes through the three-way valve

简答题官方参考答案 (由简答题聘请的专业题库老师提供的解答)
查看官方参考答案
更多“When running a large, low-speed, main propulsion diesel engine on heavy fuel, which of the”相关的问题
第1题
In a large, slow-speed, main propulsion diesel engine, which of the parts listed is under
tension when the engine is running?

A.Bed plate

B.Column

C.Entablature

D.Tie rod

点击查看答案
第2题
n足够大时,最后一个站停止运行,对系统的输气量实际上并不产生多大影响。Description: when n is large enough, the last station will stop running, which will not have much effect on the system's gas transmission.
点击查看答案
第3题
Americans have come to expect a lot of their presidents, more perhaps than any can deliver
. We say that the president runs the country, but in practice, presidents have trouble running large parts of the government. We hold the president responsible for the economy, even though he has few economic levers at his command. We expect the commander in chief to lead us to victory in war, and then we complain when we think he is micromanaging the military. And we tend to think of the president as the personification of the nation he leads. Few other democracies combine the position of head of government and head of state. We do, and some of the bitterness of our politics spring from the conviction of many Americans that this of that president does not really represent their country. Yet as we look back at our presidents, we see them less as partisan politicians than as national leaders, who in different ways have helped develop the strengths and virtues of our nation.

点击查看答案
第4题
I found, while thinking about the far-reaching world of the creative black woman, that oft
en the truest answer to a question that really matters can be found very close. In the late 1920s, my mother ran away from home to【51】my father. Marriage, if not running away, was【52】of seventeen-year-old girls. By the time she was twenty, she had two children and was pregnant【53】a third. Five children later, I was born. And this is how I【54】to know my mother: she【55】a large, soft, loving-eyed woman who was【56】impatient in our home. Her quick, violent temper was on【57】only a few times a year, when she【58】with the white landlord who had the misfortune to suggest to her that her children did not need to go to school. She made all the clothes we wore, even my brother's【59】. She made all the towels and sheers we used. She spent the summers canning vegetables and fruits. She spent the winter evenings making quilts【60】to cover all our beds.

(51)

A.marry

B.marry with

C.marry in

D.marry above

点击查看答案
第5题
In large firms the management deals with the daily running of the firm.A.正确B.错误

In large firms the management deals with the daily running of the firm.

A.正确

B.错误

点击查看答案
第6题
Cement Co is a company specialising in the manufacture of cement, a product used in the bu
ilding industry. The company has found that when weather conditions are good, the demand for cement increases since more building work is able to take place. Last year, the weather was so good, and the demand for cement was so great, that Cement Co was unable to meet demand. Cement Co is now trying to work out the level of cement production for the coming year in order to maximise profits. The company doesn’t want to miss out on the opportunity to earn large profits by running out of cement again. However, it doesn’t want to be left with large quantities of the product unsold at the end of the year, since it deteriorates quickly and then has to be disposed of. The company has received the following estimates about the probable weather conditions and corresponding demand levels for the coming year:

Cement Co is a company specialising in the manufac

Each bag of cement sells for $9 and costs $4 to make. If cement is unsold at the end of the year, it has to be disposed of at a cost of $0·50 per bag.

Cement Co has decided to produce at one of the three levels of production to match forecast demand. It now has to decide which level of cement production to select.

Required:

(a) Construct a pay off table to show all the possible profit outcomes. (8 marks)

(b) Decide the level of cement production the company should choose, based on the following decision rules:

(i) Maximin (1 mark)

(ii) Maximax (1 mark)

(iii) Expected value (4 marks)

You must justify your decision under each rule, showing all necessary calculations.

(c) Describe the ‘maximin’ and ‘expected value’ decision rules, explaining when they might be used and the attitudes of the decision makers who might use them. (6 marks)

点击查看答案
第7题
An Awful AfternoonSometimes I feel that being the mother of three small children is like r

An Awful Afternoon

Sometimes I feel that being the mother of three small children is like running a large circus(马戏团). One afternoon last week, my three sons were playing peacefully in the back-yard, throwing the ball from one to the other. I jumped at the chance to talk to one of my friends on the phone, but before I got to the phone, I could tell that the boys had begun to quarrel with each other over something. I rushed out to make peace, but before I got there, Charles had begun to fight over this. Even David, the oldest boy, who won't usually fight with anybody over anything, was involved. First, I made them stop fighting, and then I examined Mark's eye. I decided that it wasn't going to develop into a black eye, but I felt that they should suffer at least a little for what they had done. "I'm going to speak to your father about these when he comes home tonight," I said. "He and I will think of how to punish you. " Things were pretty quiet after that for about half an hour, and then Charles broke a glass in the kitchen sink, and at almost the same moment, Mark fell out of the apple tree. I suppose I will be able to laugh at all these things someday. In the meantime, I just pray to heaven for patience.

The mother of the three children is the manager of a large circus.

A.Right

B.Wrong

C.Not mentioned

点击查看答案
第8题
There were several reasons why the Industrial Revolution started in Great Britain rather t
han in France, the other great powers of the day. In the first place, Britain had the money necessary to finance the larger enterprises. England's supremacy on the seas had encouraged commerce, and Englishmen had been amassing (聚集) wealth through their commerce and industry. The newly rich class in that coufitry were not the aristocratic (贵族的) group, but merchants and businessmen who were willing to devote themselves to industry and scientific agriculture. The wealth of France, on the other hand, was largely in the hands of the nobility, and they were not willing to do the necessary work to develop industry. In the second place, Great Britain had undertaken very early the manufacturing of inexpensive and more practical products for which there would be ever-growing demand from the people, especially the new middle class. On the other hard, France produced articles in the luxury class. These could never be turned out in quantities because they demanded individuality. England was the producer of goods that were produced in quantities, and if she could find a cheaper means of producing them, her markets would grow. So she was ready for methods that would make it possible to manufacture in large quantities. In the third place, for a long time England had large numbers of semiskilled workers. When the feudal system broke down in England and the manors were turned to sheep raising, numbers of Englishmen went to the towns. There they engaged in weaving, making shows, wood carving and many other occupations that developed skills. When the industrial revolution began, these men were available for the work on the new machines. Moreover they were free men who could move from place to place as the need for workers arose. This had not been the case in France, which was still chiefly an agricultural country with peasants bound to their masters in many ways so they could not easily move to the cities. In the fourth place, coal was abundant in Great Britain, and a large amount of this cheap fuel was necessary for running the factories. There was coal in northern France, too, but France was late in tapping such resources because really everyone depended directly or indirectly on farming for his living.

Britain had the money necessary to develop industry because ______.

A.Britain was much wealthier than France

B.British people were willing to raise money to develop industry

C.the merchants and businessmen were willing to finance the industry

D.the nobility was willing to develop the industry

点击查看答案
第9题
Translate english into Chinese with “separable words 喝可乐” After running, I drank a large bottle of Coke. 跑完步,我()。
点击查看答案
第10题
Which of the following is NOT true about Gerard Fairtlough?A.He is quite experienced in ru

Which of the following is NOT true about Gerard Fairtlough?

A.He is quite experienced in running organisations.

B.He is against the traditional way of running businesses.

C.He was quite familiar with the topic of hierarchy.

D.He began to work for large companies after his business closed down.

点击查看答案
重要提示: 请勿将账号共享给其他人使用,违者账号将被封禁!
查看《购买须知》>>>
重置密码
账号:
旧密码:
新密码:
确认密码:
确认修改
购买搜题卡查看答案
购买前请仔细阅读《购买须知》
请选择支付方式
微信支付
支付宝支付
点击支付即表示你同意并接受《服务协议》《购买须知》
立即支付
搜题卡使用说明

1. 搜题次数扣减规则:

功能 扣减规则
基础费
(查看答案)
加收费
(AI功能)
文字搜题、查看答案 1/每题 0/每次
语音搜题、查看答案 1/每题 2/每次
单题拍照识别、查看答案 1/每题 2/每次
整页拍照识别、查看答案 1/每题 5/每次

备注:网站、APP、小程序均支持文字搜题、查看答案;语音搜题、单题拍照识别、整页拍照识别仅APP、小程序支持。

2. 使用语音搜索、拍照搜索等AI功能需安装APP(或打开微信小程序)。

3. 搜题卡过期将作废,不支持退款,请在有效期内使用完毕。

请使用微信扫码支付(元)

订单号:

遇到问题请联系在线客服

请不要关闭本页面,支付完成后请点击【支付完成】按钮
遇到问题请联系在线客服
恭喜您,购买搜题卡成功 系统为您生成的账号密码如下:
重要提示:请勿将账号共享给其他人使用,违者账号将被封禁。
发送账号到微信 保存账号查看答案
怕账号密码记不住?建议关注微信公众号绑定微信,开通微信扫码登录功能
警告:系统检测到您的账号存在安全风险

为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!

- 微信扫码关注简答题 -
警告:系统检测到您的账号存在安全风险
抱歉,您的账号因涉嫌违反简答题购买须知被冻结。您可在“简答题”微信公众号中的“官网服务”-“账号解封申请”申请解封,或联系客服
- 微信扫码关注简答题 -
请用微信扫码测试
欢迎分享答案

为鼓励登录用户提交答案,简答题每个月将会抽取一批参与作答的用户给予奖励,具体奖励活动请关注官方微信公众号:简答题

简答题官方微信公众号

简答题
下载APP
关注公众号
TOP