【单选题】
游标卡尺共有___格(易)
A. 98
B. 50
C. 100
D. 10
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答案
B
解析
暂无解析
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【单选题】
游标卡尺尺身和游标每格差值为___毫米(易)
A. 1
B. 50
C. 0.02
D. 10
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38钢尺测量精度为0.2到___毫米(易)
A. 1
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钢尺测量规格有150、200、___和500毫米(易)
A. 1
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40千分尺测量精度为___毫米(易)
A. 0.01
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百分表的刻度值为___毫米(易)
A. 0.01
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千分表的刻度值为___毫米(易)
A. 0.001
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齿轮传动的主要特点有:效率高、结构紧凑、传动比较稳定和___(中)
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【单选题】
轴的作用是___(中)
A. 降低强度
B. 支承零件
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减速器的输出轴的组成有___(中)
A. 刚
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根据受载荷程度,轴可以分为心轴、转轴和___(易)
A. 直轴
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【单选题】
根据几何形状,轴可以分为直轴、曲轴和___(易)
A. 心轴
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D. 转轴
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轴承根据工作的摩擦性质,可分为滑动轴承和___两大类(易)
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【单选题】
___是滑动轴承中应用最广的一种润滑剂(易)
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___一般由内圈、外圈、滚动体和保持架组成(中)
A. 心轴
B. 钢丝轴承
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互换性几何参数内容包括尺寸、形状和___(易)
A. 强度
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互换性机械参数内容包括硬度、材料和___(易)
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公差等于最大极限尺寸与___代数差的绝对值(中)
A. 尺寸
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根据孔、轴公差带位置的不同,配合可分为间隙配合、过盈配合和___(中)
A. 极限配合
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我国的技术标准由国家标准、部门标准和___(中)
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___是关联实际要素的位置对基准所允许的变动量(中)
A. 尺寸偏差
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___是汽油的抗爆性指标(中)
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___的牌号是按其凝点高低来划分的(易)
A. 重柴油
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选用柴油的凝点应比最低气温低___左右,以保证柴油在最低气温不至凝固(易)。
A. 5℃
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C. 25℃
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多级油的优越性是它的粘度随温度变化小、适用温度范围宽,故尽量使用___(易)
A. 多级油
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___的种类有钙基润滑脂、钠基润滑脂、钙纳基润滑脂(易)
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按照质量等级 我国将汽油机油分为___个等级(易)
A. 4
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C. 6
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按照质量等级,我国将汽油机油分为___个等级(易)
A. 4
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A. 4
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一般液压油的密度为___千克每立方米(易)
A. 500
B. 800
C. 900
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润滑油俗称___(易)
A. 润滑剂
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B. 液压缸
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液压千斤顶由手动柱塞液压泵和___两大部分所构成(易)
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Drag the recommendation on the left to the Cryptographic algorithms on the right, Options will be used more than once.___
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Which two commands are used to implement Resilient lOS Configuration ___
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When setting up a site-to-site VPN with PSK authentication on a Cisco router, which two elements must be configured under crypto map?___
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What are two limitations of the self-zone policies on a zone-based firewall?___
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【多选题】
Which two descriptions of TACACS+ are true? ___
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E. It uses UDP as its transport protocol.
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Which two actions does an IPS perform? ___
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【多选题】
In which form of fraud does an attacker try to learn information such as login credenti account information by ma squerading as a reputable entity or person in email, IM or communication channels ?___
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What are two reasons to recommend SNMPv 3 over SNMPv2?___
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Which two actions can a zone- based firewall apply to a packet as it transits a zone pair?___
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Which IKE Phase 1 parameter can you use to require the site-to-site VPN to use a pre-shared ?___
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Which command successfully creates an administrative user with a password of "cisco"on a Cisco router?___
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Which EAP method authenticates a client against Active Directory without the use of client-side 802.1X certificates?___
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D.
E. AP-GTC
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What is a limitation of network-based IPS?___
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How does the 802. 1x supplicant communicate with the authentication server?___
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Which command do you enter to verify the phase I status of a VPN connection?___
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Refer to the exhibit. what is the e ffect of the given configuration?___
A. It enables authentication,
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Which command can you enter to configure OSPF to use hashing to authenticate routing updates?___
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Which command can you enter to verify the status of Cisco lOS Resilient Configuration on a Cisco router?___
A. show secure bootset
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A user on your network inadvertently activates a botnet program that was received as an emai attachment. Which type of mechanism does Cisco Firepower use to detect and block only the botnet attack?___
A. network-based access control rule
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What does the policy map do in CoPP?___
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D. define s the action to be performed