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Which of the terms listed below represents the operational s

题目
单选题
Which of the terms listed below represents the operational speed at which excessive engine vibration is created?（）
A

Non-harmonic speed

B

Critical speed

C

Maximum speed

D

Design maximum speed

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相似问题和答案

第1题：

The word \\\"rutabagas\\\" is inserted in Para. 4 to ________.

[A] support the writer's opinion on Aristotle's explanation of humour

[B] show his agreement with Aristotle's definition

[C] explain Aristotle's definition of the ridiculous

[D] prove that the ridiculous is that which is incongruous but represents neither **er nor pain


正确答案：A
文章第四段中作者介绍了亚里士多德对可笑下的定义，对此他认为这一定义不完整，不严密。因此他给出例子插入一个与文章毫不相干的词来支持自己对亚里士多德的定义的评论。B、C、D三个选项均与作者的观点不吻合，正确答案应该为A。

第2题：

Of all the extingushing agents listed below, which one has the greatest capacity for heat absorption?______.

A.Water fog

B.Carbon dioxide

C.Dry chemical

D.Solid stream of water


正确答案：A
在下列所有灭火剂中，哪个是最具有吸热性能的灭火剂？水雾型的

第3题：

Of the items listed below, which one(s) should be saved into the process control block?

Ⅰ.Process name and process number

Ⅱ.Process running information

Ⅲ.Current opened file information

A．Ⅰ and Ⅱ

B．Ⅰ and Ⅲ

C．Ⅱ and Ⅲ

D．Ⅰ、Ⅱ and Ⅲ


正确答案：D

第4题：

According to Regulations, a power driven auxiliary steering gear for a vessel capable of a 12 knot service speed, must be able to meet the rudder movement requirements at which of the minimum vessel speeds listed below?

A.6 knots

B.7 knots

C.9 knots

D.12 knots


正确答案：B

第5题：

After logging into the RtrB router, you issue the "show interface" command as displayed below:After considering the effects of the command output illustrated in the exhibit above,which of the following protocols are operational on the serial link?（）

A. PPP

B. IP

C. Compression

D. IPX

E. Multilink

F. ATX


参考答案：A, B

第6题：

factors that have an impact on students’ second language learning include all the options listed below except _________.

A. students’ cooking skills

B. the country’s language policy

C. social-cultural factors

D. society’ attitudes toward the target language


正确答案是:A

第7题：

"Balance Sheet" means the statement on which a bank's assets and liabilities are listed.

A．Right

B．Wrong

C．Doesn't say


正确答案：A
解析：从文中第二句后半部分other on-and-off balance sheet exposures such as guarantees, acceptances and securities investments. 可以倒推出来。资产负债表外业务没有涉及资产和负债，那么资产负债表就应该包含资产和负债。on-and-off balance sheet资产负债表内外，balance sheet。

第8题：

Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air conditioning system?

A.Cooling the air to a temperature just above dew point

B.Heating the air to a point at which moisture will boil off ,then re-cooling it

C.Cooling the air to a point below dew point, then reheating it

D.Heating the air and then cooling it to a point below dew point


正确答案：C

第9题：

Which of the listed problems could produce a high absolute pressure within a flash type evaporator?

A.production of high salinity distillate

B.seawater feed temperature below 165℃

C.a leak in the first stage demister

D.a cracked distillate pump vent line


正确答案：D

第10题：

Several people, （） I listed below, have not submitted their reports.

Athat

Bwhom

Cwhich

Dwho


B
略

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