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木竹材加工機械結構與原理考核試卷考生姓名:__________答題日期:_______年__月__日得分:_________判卷人:_________
一、單項選擇題(本題共20小題,每小題1分,共20分,在每小題給出的四個選項中,只有一項是符合題目要求的)
1.下列哪種鋸切方式主要用于粗加工木料?()
A.帶鋸
B.圓鋸
C.銑鋸
D.線鋸
2.木工車床主要用來加工木材的哪一種工藝?()
A.鋸切
B.銑削
C.車削
D.鉆孔
3.在木竹材加工中,壓刨的主要作用是?()
A.改變木材的厚度
B.改變木材的寬度
C.改變木材的長度
D.改善木材的表面質(zhì)量
4.以下哪種機械不屬于木竹材的加工機械?()
A.砂光機
B.熱壓機
C.氣動鉆
D.混凝土攪拌機
5.木工銑床進行曲線加工時,通常使用哪種刀具?()
A.鋸片
B.球刀
C.方刀
D.鉆頭
6.下列哪項不是木竹材干燥的目的?()
A.提高木材的力學性能
B.降低木材的含水率
C.增加木材的體積
D.改善木材的加工性能
7.以下哪一種方式是機械加工竹材時常采用的方法?()
A.冷加工
B.熱加工
C.化學加工
D.電磁加工
8.木工機械的砂光機按工作原理分類屬于以下哪種類型?()
A.鋸切機械
B.銑削機械
C.磨光機械
D.壓縮機械
9.下列哪種類型的木竹材加工機床主要用來加工孔?()
A.銑床
B.車床
C.鉆床
D.鋸床
10.木材在熱壓過程中,下列哪項因素不會影響其壓制質(zhì)量?()
A.溫度
B.壓力
C.時間
D.木材顏色
11.木工機械中的CNC代表什么含義?()
A.ComputerizedNumericalControl
B.ComplexNumericalCalculation
C.ContinuousNonstopCutting
D.ComputerNetworkCommunication
12.竹材在加工前通常需要進行的處理是?()
A.干燥處理
B.浸泡處理
C.硫磺處理
D.鐵銹處理
13.下列哪種類型的刀具適用于木料的粗加工?()
A.鋒利刀具
B.磨損刀具
C.鈍化刀具
D.超薄刀具
14.木材加工中,平面砂光機主要砂削哪一面?()
A.木材的正面
B.木材的背面
C.木材的側面
D.木材的任意面
15.下列哪一種機械加工方式對木材的含水率要求最高?()
A.鋸切
B.銑削
C.砂光
D.熱壓
16.以下哪種現(xiàn)象不是由于木材干燥不當引起的?()
A.開裂
B.變形
C.腐朽
D.蜂窩
17.木工機械中,多片鋸的鋸切方式通常是以下哪種?()
A.往復鋸切
B.連續(xù)鋸切
C.間歇鋸切
D.螺旋鋸切
18.在木竹材加工中,哪些機械屬于固定機械?()
A.手提電鋸
B.立式銑床
C.圓鋸機
D.便攜式鉆機
19.下列哪種加工方式不會改變木材的紋理方向?()
A.鋸切
B.銑削
C.砂光
D.熱壓
20.以下哪種因素不影響木工機械加工精度?()
A.機械本身的精度
B.操作者的技術水平
C.加工環(huán)境的溫度
D.木料的生長年限
(注:以下為空白處,供考生填寫答案及批改使用)
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