相关试题
【单选题】
下面哪个不是移动节的功能___
A. 传递运动
B. 传递扭矩
C. 传递方向
D. 补偿位移
【单选题】
UF节的最大摆角是___
A. 50度
B. 47度
C. 46度
D. 45度
【单选题】
固定节的装配顺序是___
A. 先组装内星轮和球笼，再装钢球，最后装外星轮
B. 先组装钢球和球笼，再装内星轮，最后装外星轮
C. 先组装内星轮和球笼，再放入外星轮，最后装钢球
D. 先组装外星轮和球笼，再放入内星轮，最后装钢球
【单选题】
以下哪种轴不是中间轴___
A. 实轴
B. 连接轴
C. WTS轴
D. MTS轴
【单选题】
SDS多数CV实轴采用的防锈方式是___
【单选题】
下述哪种材料是SDS的实轴常用材料___
A. UC1
B. UC2
C. XC45
D. 45#
【单选题】
对于相同节型，SDS应用的哪种夹箍最大回转直径最小___
A. 欧米伽
B. LPC
C. MCR
D. 三者相同
【单选题】
实轴的作用不包含___
A. 传递扭矩
B. 传递转速
C. 提供移矩
D. 连接移动端和固定端
【单选题】
下述与实轴和内星轮的压入力无关的是___
A. 花键螺旋线角度
B. 两针距
C. 大径
D. 热处理变形
【单选题】
以下哪个不属于NVH的解决方案___
A. 增加减震圈
B. 改变减震圈位置
C. 实轴改成空心轴
D. 改变实轴热处理深度
【单选题】
实轴台阶式花键的作用是什么___
A. 提高强度
B. 便于加工
C. 可拆卸设计
D. 不可拆卸设计
【单选题】
在等速万向球节运转过程中，其钢球与球道的摩擦类型主要属于哪一种___
A. 静摩擦
B. 滑动摩擦
C. 滚动摩擦
D. 以上三者兼有
【单选题】
对于AAR节的等速万向节运转过程中，其滚轮与球道的摩擦类型属于哪一种___
A. 静摩擦
B. 滑动摩擦
C. 滚动摩擦
D. 以上三者兼有
【单选题】
对于等速万向球节其润滑剂的颜色通常是___
A. 乳白色
B. 黑色
C. 透明蓝色
D. 透明黄
【单选题】
球笼与内外星轮的球面不接触的万向节是___
【单选题】
提高传动轴的中间轴扭转刚度可以采取___
A. 加长中间轴长度
B. 加粗中间轴直径
C. 提高中间轴表面粗糙度
D. 降低中间轴表面硬度
【单选题】
对于0度摆角的VL节静扭试验，合理的失效形式是___
A. 外星轮破裂失效
B. 球笼破裂失效
C. 球道压溃失效
D. 钢球损坏失效
【单选题】
对于0度摆角的固定节静扭试验，不合理的失效形式是___
A. 外星轮破裂失效
B. 球笼破裂失效
C. 内星轮破裂失效
D. 实轴破裂失效
【单选题】
对比圆形球道截面，椭圆球道截面的优势是___
A. 方便储存润滑油脂，有利于球道润滑
B. 钢球与球道接接触点恒定，改善受力情况
C. 使用不同形状，有助于减少零件重量
D. 易于加工
【单选题】
双虎克轴也能被用于等速传递，但与等速万向节比较，其劣势在于___
A. 当其在高速运转过程中，其NVH问题更大
B. 当输入角和输出角不相等时，无法实现等速传递
C. 当承受高扭矩要求时，双虎克轴强度无法满足要求
D. 当客户整车装配空间过小时，其过大的结构无法满足
【单选题】
对于固定节而言，内外星轮球道中心相对于节中心对称偏置的原因是___
A. 使钢球在带摆角运转时始终保持相对恒定位置，保证平稳传动
B. 使钢球在带摆角时始终处于固定节摆角的平分面上，保证等速传动
C. 使内外星轮在带摆角运转时始终处于质量对称分布，保证其动平衡
D. 平衡内外星轮在带摆角运转时的相对抖动，减少其NVH问题
【单选题】
中间轴喷粉过渡区必须光滑过渡，无刃口的原因是___
A. 影响美观
B. 客户要求
C. 大摆角情况下护套容易被磨破
D. 减少浪费
【单选题】
夹箍094.5-1010R中094.5、10、10、R分别代表什么意思___
A. 夹箍夹紧前内径94.5mm，夹箍宽度10mm，夹箍厚度1.0mm，R代表不锈钢
B. 夹箍夹紧前外径94.5mm，夹箍厚度1.0mm，夹箍宽度10mm，R代表不锈钢
C. 夹箍夹紧后外径94.5mm，夹箍宽度10mm，夹箍厚度1.0mm，R代表不锈钢
D. 夹箍夹紧后外径94.5mm，夹箍宽度1.0mm，夹箍厚度10mm，R代表不锈钢
【单选题】
以MTS为中间轴的传动轴，哪种方法对传动轴总成的扭疲性能最有效___
A. 在MTS轴外花键上均匀涂抹花键油
B. 花键喷粉
C. 在MTS轴外花键上均匀涂抹润滑油
D. 花键过渡配合
【单选题】
台阶式花键主要应用于零件的哪些部位___
A. 固定外星轮柄部花键
B. 中间轴固定节端花键
C. 中间轴移动节端花键
D. 移动外星轮柄部花键
【单选题】
固定节中心指的是___
A. 球面中心
B. 外星轮球道中心
C. 内星轮球道中心
D. 花键中心
【单选题】
当实轴摆角为β，球笼中心平面相对于节中心平面转过的角度为___
【单选题】
SX节内星轮卡环槽设计成外卡齿的目的是___
A. 方便中间轴的拆卸
B. 方便中间轴的装配
C. 相对与内卡齿来说，加工工艺方便，卡环槽无毛刺
D. 用户要求
【单选题】
HSVL1300中HS是什么意思？___
A. High strength
B. High smart
C. High speed
D. High scale
【单选题】
下列哪些属于固定式高速节___
A. PC节
B. PX节
C. PDO节
D. HSVL节
【单选题】
下列哪些属于移动式高速节___
A. PC节
B. PX节
C. PXS节
D. HSAC节
【单选题】
PDO2-17中P是什么意思___
A. Prototype
B. Propshaft
C. Photoshop
D. PPAP
【单选题】
下面哪些高速节应用的定义是正确的___
A. 高速节是安装在PS传动轴上面的一种万向节
B. 高速节是安装在等速传动轴上面的一种万向节
C. 高速节是不需要加注油脂的
D. 高速节的转速普遍要比等速万向节的转速低
【单选题】
下列哪些属于高速节___
A. DO1300
B. PDO2-17
C. AC1700
D. SX1-29
推荐试题
【单选题】
7.—Why dont you choose the red tie?
—For me, it doesn’t _____ my shirt very well．
A. fix B. accept C. compare D. match
【单选题】
8. — Could you tell me ______? I must find him．
— Sorry．I don’t know．But he was here just now．
A. where Tom was B. where Tom is
C. where has Tom gone D. where can I find Tom
【单选题】
9. —What did Mr Green say to you?
— What a heavy rain! How did you come here? He asked________.
A. at all B. in fact C. in surprise D. as a result
【单选题】
10. I often see Tom on the playground．When I passed the playground yesterday, I saw him ．
A. play; playing B. to play; play C. playing; to play D. playing; play
【单选题】
11. — Mum, could I have ____________ to drink?
— Oh, dear．You can only drink some water．There is _________ in the kitchen．
A. anything; else something B. anything; something else
C. something; else nothing D. something; nothing else
【单选题】
12. We all know that learning a foreign language _______ time and effort.
A. requires B. reduces C. removes D. repeats
【单选题】
13. Her son __________ Coke, but now he __________ milk．
A. is used to drinking; used to drink B. used to drink; uses to drink
C. used to drink; is used to drinking D. is used to drink; is drinking
【单选题】
14. I don’t know the teacher is talking with Miss Wang．
A. what B. whom C. who D. which
【单选题】
15.Millie does __________ that many people are thankful to her．
A. such an important and helpful job B. so important and helpful work
C. a very important and helpful job D. such an important and helpful work
【单选题】
16. I think eating more vegetables is good _______ our health.
—Yes, I agree _______ you.
A. at, to B. for, with C. to, to D. for, to
【单选题】
17. I often go on holiday with my parents _____ summer.
A. in B. at C. on D. of
【单选题】
18. I called you at 4:00 yesterday afternoon, but nobody answered.
Sorry, I ______ with my friends at that time.
A. had swum B. swam C. would swim D. was swimming
【单选题】
19.––Who is on the playground? ---__________．
A. Never B. None C. No one D. A lot
【单选题】
20. The schoolboy ______ a blind man cross the street yesterday.
A. helps B. helped C. will help D. has helped
【单选题】
21. —The 2010 World Expo which will last 184 days will be held in Shanghai on May 1st.
—________exciting news! We shall try our best to support it.
A. How B. How an C. What D. What an
【单选题】
22. They preferred ______ in bed rather than _____ horses．
A. to lie; to ride B. lying; riding C. lying; ride D. to lie; ride
【单选题】
23. —What was Jim wearing at the party?
— Nothing _______. He was in his usual shirt and jeans.
A. special B. simple C. important D. interesting
【单选题】
24. The 2016 Olympic Games ________ in Brazil. Would you like to go there?
Maybe, if possible.
A. are held B. will be held C. were held D. have been held
【单选题】
25. — David, look at the man in white over there．Can you tell me _______ ?
—He is a doctor．
A. who is he B. who he is C．what does he do D. what he does
【单选题】
( ) 26.With help from a Mr. H, you can__________.
A. stop wearing your watch B. get new books and objects
C. finish your homework on time D. know when parents or teachers are near
【单选题】
( ) 27. A PENGO WATCH CONTROL can help you to ______________.
A. repair your TV B. put away your books and objects
C. become a James Bond D. get a daily weather report
【单选题】
( ) 28. You can get your Mr. H for___________.
A. $299 B. $499 C. $199 D. $99
【单选题】
( ) 29. When was canned food invented?
A. In 1870. B. In 1810. C. In 1902. D. In 1926.
【单选题】
( ) 30. After the trip to the Arctic, Clarence Birdseye invented ____________.
A. canned food B. can openers
C. frozen food D. air conditioning
【单选题】
( ) 31. Changes in weather _____________ in Willis Carrier's company.
A. helped to keep food B. made rooms comfortable
C. caused health problems D. hurt printing paper
【单选题】
( ) 32. According to the passage, which of the following may lead to inventions?
A. People's needs. B. Public support.
C. Modern technology. D. Practical suggestions.
【单选题】
( ) 33. What is the writer's main purpose（目的）in writing this passage？
A．To tell the readers his life story．
B．To tell people what kind of person his father was．
C．To tell the readers what present he got from his father．
D． To let people know how poor he was．
【单选题】
( ) 34. Why did the father not ask his son not to do this and do that？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
【单选题】
( ) 35. What would someone learn from this passage？
A．How to live by oneself． B．How to stand on one's own feet．
C．What a good father should do． D．What the self-important is like．
【单选题】
( ) 36. What may be the proper Chinese for the underlined part in the passage？
A．闲暇时光 B．学费 C．精神空虚 D．经济不足
【单选题】
( ) 37. The Chinese Yellow Sea Wetlands are in the _______ of China．
A．south B．east C．west D．north
【单选题】
( ) 38. Usually the weather in the wetlands is _______．
A．hot B．pleasant C．cold D．dry
【单选题】
( ) 39. The World Wetlands Day is on _______．
A．February 2 B．June 25 C．April 22 D．March
【单选题】
( ) 40. We must protect wetlands because _______．
A．they are home for wildlife B．they can prevent flood
C．they can offer food to the animals and birds D．all of the above
【单选题】
) 1. —Is it far from here to the bank?
—Not very, only________．
A. 20 minute’s walk B. 20 minutes walk
C. 20 minutes’ walk D. 20 minutes’ walks
【单选题】
2. — After discussing, the students ________ some good ideas to work on the project.
— Thats great!
A. put up B. set up C. caught up with D. came up with
【单选题】
3. Yesterday Tommy walked past my table and ______ my bowls and dishes.
He should be careful next time.
A. knocked off B. took off C. showed off D. turned off
【单选题】
4.We don’t have enough nurses to look after patients．At least ___ nurses are needed．
A. ten another B. more ten C. another ten D. other ten
【单选题】
5. — Zhao Rui, it’s said that many famous singers will come to Yangzhou on April 18th. How about watching the evening show there?
—________! Let’s ask Huang Tao to go with us.
A. Best wishes B. Sounds great C. Good luck D. That’s OK
【单选题】
6.—Hello! This is Henry Speaking．I’d like to speak to your father．
—Sorry, he has Shanghai．
A. been in B. been to C. come to D. gone to
