现将部分历年试题摘编如下,供同学们复习自测之用。 第二章:基本术语与定义 一.是非题:正确者写“是”,否则写“非” 1.实际尺寸较大的孔与实际尺寸较小的轴相装配,就形成间隙配合。( ) 2.若某配合的最大间隙为20um,配合公差为30um,则一定是过度配合。( ) 二.选择题:从括号中选正确答案 1.偏差是_。(绝对值;正值;负值;代数值) Now part of the exam questions excerpts below, for students to review self-test purposes. Chapter Two: Basic Terms and Definitions I. True or False: Correctly write “yes”, otherwise write “non” 1. The actual size of the hole with the actual size of the smaller shaft assembly phase, the formation of clearance fit. () 2. If a maximum clearance of 20um, with the tolerance of 30um, it must be over-coordination. () Second, multiple-choice questions: choose the correct answer from parentheses 1. Deviation is _. (Absolute value; positive value; negative value; algebraic value)