?/p>
1
?/p>
?/p>
6
?/p>
班级
_________
学号
____
姓名
________
命题
:
成绩?/p>
一、判断题（共
10
题，每题
2
分，?/p>
20
分，正确打“√?/p>
，错误打“×?/p>
?/p>
?/p>
1
?/p>
一切摩擦传动的传动比都不准确?/p>
„„„„„„„„„„„„„„?/p>
?/p>
?/p>
2
?/p>
滚珠螺纹传动的传动效率高?/p>
传动时运动平稳，
动作灵敏„„„„?/p>
?/p>
?/p>
3
?/p>
高副比低副的承载能力大?/p>
„„„„„„„„„„„„„„„„„?/p>
?/p>
?/p>
4
?/p>
构件是加工制造的单位?/p>
零件是运动的单位?/p>
„„„„„„„„„?/p>
?/p>
?/p>
5
?/p>
普通螺纹的牙型角是
60
°„„„„„„„„„„„„„„„„„?/p>
?/p>
?/p>
6
、链传动能保证准确的平均传动比，传动功率较大。„„„„„„（
?/p>
7
、凸轮机构广泛用于机械自动控制。„„„„„„„„„„„„„（
?/p>
8
、模?/p>
m
反映齿轮轮齿的大小，模数越大，轮齿越大，齿轮的承载能力越?/p>
?/p>
?/p>
9
、Ｖ带传动装置必须安装防护罩。„„„„„„„„„„„„„„（
?/p>
10
、发动机就是将能量转换成机械能的一种机器。„„„„„„„（
?/p>
二、选择题（单项选择题，?/p>
15
题，每题
2
分，?/p>
30
分?/p>
?/p>
1
、下列属于机构的是„„„„„„„„„„„„„„„„„„„„（
?/p>
A
）机?/p>
B
）纺织机
C
）千斤顶
D
）拖
拉机
2
、普通螺纹的公称直径是指„„„„„„„„„„„„„„„„„（
?/p>
A
）大?/p>
B
）小?/p>
C
）顶?/p>
D
）底
?/p>
3
?/p>
下列哪种螺纹常用于联接螺纹使用„„„„„„„„„„„„„?/p>
?/p>
?/p>
A
）三角形螺纹
B
）梯形螺?/p>
C
）锯齿形螺纹
D
）矩?/p>
螺纹
4
、普通车床中的带传动部分是机器中的„„„„„„„„„„„„„（
?/p>