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木竹材加工机械结构与原理考核试卷考生姓名:__________答题日期:_______年__月__日得分:_________判卷人:_________
一、单项选择题(本题共20小题,每小题1分,共20分,在每小题给出的四个选项中,只有一项是符合题目要求的)
1.下列哪种锯切方式主要用于粗加工木料?()
A.带锯
B.圆锯
C.铣锯
D.线锯
2.木工车床主要用来加工木材的哪一种工艺?()
A.锯切
B.铣削
C.车削
D.钻孔
3.在木竹材加工中,压刨的主要作用是?()
A.改变木材的厚度
B.改变木材的宽度
C.改变木材的长度
D.改善木材的表面质量
4.以下哪种机械不属于木竹材的加工机械?()
A.砂光机
B.热压机
C.气动钻
D.混凝土搅拌机
5.木工铣床进行曲线加工时,通常使用哪种刀具?()
A.锯片
B.球刀
C.方刀
D.钻头
6.下列哪项不是木竹材干燥的目的?()
A.提高木材的力学性能
B.降低木材的含水率
C.增加木材的体积
D.改善木材的加工性能
7.以下哪一种方式是机械加工竹材时常采用的方法?()
A.冷加工
B.热加工
C.化学加工
D.电磁加工
8.木工机械的砂光机按工作原理分类属于以下哪种类型?()
A.锯切机械
B.铣削机械
C.磨光机械
D.压缩机械
9.下列哪种类型的木竹材加工机床主要用来加工孔?()
A.铣床
B.车床
C.钻床
D.锯床
10.木材在热压过程中,下列哪项因素不会影响其压制质量?()
A.温度
B.压力
C.时间
D.木材颜色
11.木工机械中的CNC代表什么含义?()
A.ComputerizedNumericalControl
B.ComplexNumericalCalculation
C.ContinuousNonstopCutting
D.ComputerNetworkCommunication
12.竹材在加工前通常需要进行的处理是?()
A.干燥处理
B.浸泡处理
C.硫磺处理
D.铁锈处理
13.下列哪种类型的刀具适用于木料的粗加工?()
A.锋利刀具
B.磨损刀具
C.钝化刀具
D.超薄刀具
14.木材加工中,平面砂光机主要砂削哪一面?()
A.木材的正面
B.木材的背面
C.木材的侧面
D.木材的任意面
15.下列哪一种机械加工方式对木材的含水率要求最高?()
A.锯切
B.铣削
C.砂光
D.热压
16.以下哪种现象不是由于木材干燥不当引起的?()
A.开裂
B.变形
C.腐朽
D.蜂窝
17.木工机械中,多片锯的锯切方式通常是以下哪种?()
A.往复锯切
B.连续锯切
C.间歇锯切
D.螺旋锯切
18.在木竹材加工中,哪些机械属于固定机械?()
A.手提电锯
B.立式铣床
C.圆锯机
D.便携式钻机
19.下列哪种加工方式不会改变木材的纹理方向?()
A.锯切
B.铣削
C.砂光
D.热压
20.以下哪种因素不影响木工机械加工精度?()
A.机械本身的精度
B.操作者的技术水平
C.加工环境的温度
D.木料的生长年限
(注:以下为空白处,供考生填写答案及批改使用)
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