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連續(xù)搬運(yùn)設(shè)備振動(dòng)分析與控制考核試卷考生姓名:__________答題日期:_______年__月__日得分:____________判卷人:__________
一、單項(xiàng)選擇題(本題共20小題,每小題1分,共20分,在每小題給出的四個(gè)選項(xiàng)中,只有一項(xiàng)是符合題目要求的)
1.連續(xù)搬運(yùn)設(shè)備中最常見(jiàn)的振動(dòng)類(lèi)型是:()
A.自由振動(dòng)
B.強(qiáng)迫振動(dòng)
C.阻尼振動(dòng)
D.共振振動(dòng)
2.下列哪種因素不會(huì)導(dǎo)致連續(xù)搬運(yùn)設(shè)備振動(dòng):()
A.設(shè)備不平衡
B.地基松動(dòng)
C.電機(jī)轉(zhuǎn)速不穩(wěn)定
D.環(huán)境溫度變化
3.振動(dòng)的測(cè)量通常使用:()
A.速度傳感器
B.壓力傳感器
C.溫度傳感器
D.濕度傳感器
4.在連續(xù)搬運(yùn)設(shè)備振動(dòng)分析中,頻譜分析的主要作用是:()
A.識(shí)別振動(dòng)的頻率成分
B.評(píng)估設(shè)備的工作效率
C.測(cè)量設(shè)備的溫度變化
D.控制設(shè)備的運(yùn)行速度
5.以下哪項(xiàng)不是振動(dòng)控制的目的:()
A.提高設(shè)備運(yùn)行效率
B.降低維護(hù)成本
C.增加設(shè)備振動(dòng)
D.提高工作環(huán)境安全
6.連續(xù)搬運(yùn)設(shè)備振動(dòng)控制中,常用的隔振材料是:()
A.金屬
B.塑料
C.橡膠
D.玻璃
7.關(guān)于振動(dòng)控制,以下哪項(xiàng)說(shuō)法是正確的:()
A.振動(dòng)控制會(huì)增加設(shè)備的能耗
B.振動(dòng)控制會(huì)降低設(shè)備的使用壽命
C.振動(dòng)控制可以減少設(shè)備的維修次數(shù)
D.振動(dòng)控制無(wú)需定期檢查和調(diào)整
8.在連續(xù)搬運(yùn)設(shè)備振動(dòng)分析中,下列哪種方法不常用于振動(dòng)檢測(cè):()
A.振動(dòng)傳感器
B.聲級(jí)計(jì)
C.紅外熱像儀
D.激光測(cè)距儀
9.關(guān)于設(shè)備振動(dòng)控制措施,以下哪項(xiàng)是錯(cuò)誤的:()
A.改善設(shè)備平衡
B.增加設(shè)備重量
C.優(yōu)化基礎(chǔ)結(jié)構(gòu)
D.定期潤(rùn)滑和維護(hù)
10.在連續(xù)搬運(yùn)設(shè)備振動(dòng)分析中,以下哪個(gè)參數(shù)不是評(píng)估振動(dòng)狀態(tài)的指標(biāo):()
A.振幅
B.頻率
C.相位
D.溫度
11.連續(xù)搬運(yùn)設(shè)備振動(dòng)控制中,以下哪種方法不屬于主動(dòng)控制:()
A.振動(dòng)源隔離
B.振動(dòng)吸收
C.動(dòng)力吸振器
D.自動(dòng)調(diào)節(jié)轉(zhuǎn)速
12.以下哪種因素可能導(dǎo)致連續(xù)搬運(yùn)設(shè)備振動(dòng)加?。?)
A.隔振材料性能提高
B.設(shè)備運(yùn)行速度降低
C.工作環(huán)境溫度下降
D.設(shè)備負(fù)載增大
13.在連續(xù)搬運(yùn)設(shè)備振動(dòng)控制中,阻尼器的主要作用是:()
A.減少設(shè)備振動(dòng)幅度
B.改變?cè)O(shè)備振動(dòng)頻率
C.降低設(shè)備運(yùn)行速度
D.增加設(shè)備共振頻率
14.以下哪項(xiàng)不是連續(xù)搬運(yùn)設(shè)備振動(dòng)的主要原因:()
A.電機(jī)故障
B.傳動(dòng)系統(tǒng)磨損
C.環(huán)境噪聲
D.設(shè)備結(jié)構(gòu)缺陷
15.關(guān)于振動(dòng)傳感器,以下哪項(xiàng)說(shuō)法是正確的:()
A.速度傳感器適用于高頻振動(dòng)測(cè)量
B.位移傳感器適用于低頻振動(dòng)測(cè)量
C.加速度傳感器適用于高頻振動(dòng)測(cè)量
D.壓力傳感器適用于振動(dòng)測(cè)量
16.以下哪種方法不適合用于減小連續(xù)搬運(yùn)設(shè)備振動(dòng):()
A.優(yōu)化設(shè)備結(jié)構(gòu)設(shè)計(jì)
B.增加設(shè)備運(yùn)行速度
C.選用合適的隔振材料
D.定期檢查和維護(hù)設(shè)備
17.在連續(xù)搬運(yùn)設(shè)備振動(dòng)控制中,以下哪種措施不屬于減振措施:()
A.增加設(shè)備阻尼
B.優(yōu)化設(shè)備基礎(chǔ)
C.提高設(shè)備運(yùn)行速度
D.改善設(shè)備平衡
18.關(guān)于連續(xù)搬運(yùn)設(shè)備振動(dòng)控制,以下哪項(xiàng)說(shuō)法是錯(cuò)誤的:()
A.振動(dòng)控制可以降低設(shè)備的維修成本
B.振動(dòng)控制可以提高設(shè)備的工作效率
C.振動(dòng)控制可以減少設(shè)備的停機(jī)時(shí)間
D.振動(dòng)控制會(huì)增加設(shè)備的能耗
19.在連續(xù)搬運(yùn)設(shè)備振動(dòng)分析中,以下哪種方法主要用于識(shí)別設(shè)備故障:()
A.時(shí)域分析
B.頻譜分析
C.聲級(jí)分析
D.溫度分析
20.以下哪種設(shè)備不屬于連續(xù)搬運(yùn)設(shè)備:()
A.輸送帶
B.起重機(jī)
C.機(jī)器人
D.汽車(chē)生產(chǎn)線
(注:以下為空白答題區(qū)域,供考生填寫(xiě)答案。)
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